Commit Graph

4181 Commits

Author SHA1 Message Date
Daeho Jeong
8c890c4c60 f2fs: introduce migration_window_granularity
We can control the scanning window granularity for GC migration. For
more frequent scanning and GC on zoned devices, we need a fine grained
control knob for it.

Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2024-09-11 03:32:54 +00:00
Dave Airlie
32bd3eb5fb Merge tag 'drm-intel-gt-next-2024-09-06' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
Driver Changes:

- Expose fan speed via hwmon (Raag)
- Correction to Wa_14019159160 on ARL (John H)
- Whitelist COMMON_SLICE_CHICKEN1 for UMD access on DG2/MTL/ARL (Dnyaneshwar)
- Do not attempt to load the GSC multiple times to avoid hanging GSC HW (Daniele)

- Populate /sys/class/drm/cardX/engines/ even if one engine fails (Andi)
- Use kmemdup_array instead of kmemdup for multiple allocation (Yu)
- Remove extra unlikely() (Hongbo)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Ztrfr_Wuurfa-3Rv@jlahtine-mobl.ger.corp.intel.com
2024-09-11 09:11:54 +10:00
Sergey Senozhatsky
4eac932103 zram: introduce algorithm_params device attribute
This attribute is used to setup compression algorithms' parameters, so we
can tweak algorithms' characteristics.  At this point only 'level' is
supported (to be extended in the future).

Each call sets up parameters for one particular algorithm, which should be
specified either by the algorithm's priority or algo name.  This is
expected to be called after corresponding algorithm is selected via
comp_algorithm or recomp_algorithm.

 echo "priority=0 level=1" > /sys/block/zram0/algorithm_params
or
 echo "algo=zstd level=1" > /sys/block/zram0/algorithm_params

Link: https://lkml.kernel.org/r/20240902105656.1383858-16-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nick Terrell <terrelln@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-09-09 16:39:09 -07:00
Greg Kroah-Hartman
f299cd11f7 Merge 6.11-rc7 into usb-next
We need the USB fixes in here as well, and this also resolves the merge
conflict in:
	drivers/usb/typec/ucsi/ucsi.c

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-09-09 08:40:22 +02:00
Greg Kroah-Hartman
895b4fae93 Merge 6.11-rc7 into char-misc-next
We need the char-misc fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-09-09 08:36:23 +02:00
Greg Kroah-Hartman
72486eb13b Update extcon next for v6.12
Detailed description for this pull request:
 - Add missing child node port on exttcon-ptn5150 binding document
 
 - Convert extcon-usb-gpio.txt to yaml format for binding document
 
 - Add new LC824206XA microUSB switch driver
  : Add a new driver for the ON Semiconductor LC824206XA microUSB switch and
    accessory detector chip. It has been tested on a Lenovo Yoga Tablet 2 Pro
    1380. And this driver is only used on x86/ACPI (non devicetree) devices,
    Therefor there is no devicetree bindings documentation.
 
 - Apply immutable branch between power_supply and extcon tree for extcon-lc824206xa.c
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Merge tag 'extcon-next-for-6.12' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next

Chanwoo writes:

Update extcon next for v6.12

Detailed description for this pull request:
- Add missing child node port on exttcon-ptn5150 binding document

- Convert extcon-usb-gpio.txt to yaml format for binding document

- Add new LC824206XA microUSB switch driver
 : Add a new driver for the ON Semiconductor LC824206XA microUSB switch and
   accessory detector chip. It has been tested on a Lenovo Yoga Tablet 2 Pro
   1380. And this driver is only used on x86/ACPI (non devicetree) devices,
   Therefor there is no devicetree bindings documentation.

- Apply immutable branch between power_supply and extcon tree for extcon-lc824206xa.c

* tag 'extcon-next-for-6.12' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon:
  extcon: lc824206xa: Fix build error of POWER_SUPPLY_PROP_USB_TYPE
  dt-bindings: extcon: convert extcon-usb-gpio.txt to yaml format
  dt-bindings: extcon: ptn5150: add child node port
  extcon: Add LC824206XA microUSB switch driver
  power: supply: Change usb_types from an array into a bitmask
  power: supply: sysfs: Move power_supply_show_enum_with_available() up
  power: supply: sysfs: Add power_supply_show_enum_with_available() helper
  power: supply: rt9467-charger: Remove "usb_type" property write support
  power: supply: ucs1002: Adjust ucs1002_set_usb_type() to accept string values
  power: supply: "usb_type" property may be written to
2024-09-08 17:48:12 +02:00
Greg Kroah-Hartman
ba26342a38 IIO: 2nd set of new device support features and cleanup for 6.12
Late pull request as I was planing to include another series that
 is waiting for a fix to end up in char-misc-next.  That can wait
 for next cycle.
 
 Includes one immutable branch merge from MFD to get a necessary header
 change.
 
 Usual mix of a few new drivers, additional device support for existing
 drivers, new features and a bunch of cleanup across tree.
 
 New device support
 ==================
 
 asahi-kasei,ak8975
 - A few minor fixes as precursors to support for the AK09118 magnetometer
   that is very similar to the already supported AK09112
 awinic,aw96103
 - New driver for this capacitive proximity sensor.
 x-powers,axp202
 - Add support for the axp717 (including merge of MFD immutable branch).
 sophgo,saradc
 - New driver for this SOC ADC.
 
 Features
 ========
 
 adi,ad4695
 - Add calibration support.
 bosch,bmi323
 - Ensure device is in lowest power state on suspend.
 
 Cleanup and minor fixes
 =======================
 treewide
 - Start to standardize formatting of id tables (ADC drivers done so far).
 adi,ad5449
 - Drop platform data support as long unused in upstream kernel.
 bosch,bmc150
 - Use fwnode_irq_get_by_name() in place of of_ variant.
 - Use ACPI_HANDLE() to get the handle directly rather than via
   ACPI_COMPANION()
 google,cros_ec_mkbp_proximity
 - Include mod_devicetable.h instead of broader of.h
 mirochip,mcp320x
 - Drop vendorless compatible entries as not needed for backwards
   compatibility and should not be used in new boards.
 st,lsm6dsx
 - Use iio_read_acpi_mount_matrix() helper instead of open coding the
   same.
 - Drop some unnecessary dev_fwnode() calls to check if a fwnode is
   available.  All the calls made handle this anyway.
 xilinx,ams
 - Use device_for_each_child_node_scoped() to avoid manual release of
   fwnode handle.
 
 tools,generic-buffer
 - Handle failure to allocate trigger name.
 - Cleanup .*.cmd files if present.
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Merge tag 'iio-for-6.12b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

IIO: 2nd set of new device support features and cleanup for 6.12

Late pull request as I was planing to include another series that
is waiting for a fix to end up in char-misc-next.  That can wait
for next cycle.

Includes one immutable branch merge from MFD to get a necessary header
change.

Usual mix of a few new drivers, additional device support for existing
drivers, new features and a bunch of cleanup across tree.

New device support
==================

asahi-kasei,ak8975
- A few minor fixes as precursors to support for the AK09118 magnetometer
  that is very similar to the already supported AK09112
awinic,aw96103
- New driver for this capacitive proximity sensor.
x-powers,axp202
- Add support for the axp717 (including merge of MFD immutable branch).
sophgo,saradc
- New driver for this SOC ADC.

Features
========

adi,ad4695
- Add calibration support.
bosch,bmi323
- Ensure device is in lowest power state on suspend.

Cleanup and minor fixes
=======================
treewide
- Start to standardize formatting of id tables (ADC drivers done so far).
adi,ad5449
- Drop platform data support as long unused in upstream kernel.
bosch,bmc150
- Use fwnode_irq_get_by_name() in place of of_ variant.
- Use ACPI_HANDLE() to get the handle directly rather than via
  ACPI_COMPANION()
google,cros_ec_mkbp_proximity
- Include mod_devicetable.h instead of broader of.h
mirochip,mcp320x
- Drop vendorless compatible entries as not needed for backwards
  compatibility and should not be used in new boards.
st,lsm6dsx
- Use iio_read_acpi_mount_matrix() helper instead of open coding the
  same.
- Drop some unnecessary dev_fwnode() calls to check if a fwnode is
  available.  All the calls made handle this anyway.
xilinx,ams
- Use device_for_each_child_node_scoped() to avoid manual release of
  fwnode handle.

tools,generic-buffer
- Handle failure to allocate trigger name.
- Cleanup .*.cmd files if present.

* tag 'iio-for-6.12b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (28 commits)
  iio: adc: axp20x_adc: add support for AXP717 ADC
  dt-bindings: iio: adc: Add AXP717 compatible
  iio: adc: axp20x_adc: Add adc_en1 and adc_en2 to axp_data
  tools: iio: rm .*.cmd when make clean
  iio: adc: standardize on formatting for id match tables
  iio: proximity: aw96103: Add support for aw96103/aw96105 proximity sensor
  dt-bindings: iio: aw96103: Add bindings for aw96103/aw96105 sensor
  iio: adc: sophgo-saradc: Add driver for Sophgo CV1800B SARADC
  dt-bindings: iio: adc: sophgo,cv1800b-saradc: Add Sophgo CV1800B SARADC
  tools/iio: Add memory allocation failure check for trigger_name
  iio: imu: st_lsm6dsx: Remove useless dev_fwnode() calls
  iio: imu: st_lsm6dsx: Use iio_read_acpi_mount_matrix() helper
  iio: adc: mcp320x: Drop vendorless compatible strings
  iio: dac: ad5449: drop support for platform data
  iio: adc: xilinx-ams: use device_* to iterate over device child nodes
  iio: ABI: document ad4695 new attributes
  doc: iio: ad4695: update for calibration support
  iio: adc: ad4695: implement calibration support
  iio: adc: ad4695: add 2nd regmap for 16-bit registers
  iio: bmi323: peripheral in lowest power state on suspend
  ...
2024-09-08 13:23:57 +02:00
Mariusz Tkaczyk
759ec28242 PCI/NPEM: Add _DSM PCIe SSD status LED management
The PCIe SSD Status LED Management _DSM defined in PCI Firmware Spec r3.3
sec 4.7 provides a way to manage LEDs via ACPI.

The design is similar to NPEM defined in PCIe Base Specification r6.1 sec
6.28:

  - Both standards are indication oriented,

  - _DSM supported bits correspond to NPEM capability register bits,

  - _DSM control bits correspond to NPEM control register bits.

_DSM does not support enclosure-specific indications or the special NPEM
commands NPEM_ENABLE and NPEM_RESET.

_DSM is implemented as a second backend in NPEM driver. The backend used is
logged with info priority. The same sysfs interface is used for both NPEM
and _DSM.

According to spec, _DSM has higher priority, and availability  of _DSM in
not limited to devices with NPEM support.

The Dell implementation of DSM uses acpi ipmi, which may not be available
immediately (in fact it may take up to 10s for this interface to be
available). It can determine if DSM is supported (GET_SUPPORTED_STATES_DSM
is working) but it cannot serve GET_STATE_DSM or SET_STATE_DSM commands in
this time.

From userspace application perspective (primarily configured by systemd
service) it is better to have not working but configured interface rather
than have it available after few seconds.

For that reason, npem->active_indications cache is now loaded lazily, i.e.
any GET or SET request want cache to be updated if it is not done yet.

Link: https://lore.kernel.org/r/20240904104848.23480-4-mariusz.tkaczyk@linux.intel.com
Suggested-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Stuart Hayes <stuart.w.hayes@gmail.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Stuart Hayes <stuart.w.hayes@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-09-06 11:37:24 -05:00
Mariusz Tkaczyk
4e893545ef PCI/NPEM: Add Native PCIe Enclosure Management support
Native PCIe Enclosure Management (NPEM, PCIe r6.1 sec 6.28) allows managing
LEDs in storage enclosures. NPEM is indication oriented and it does not
give direct access to LEDs. Although each indication *could* represent an
individual LED, multiple indications could also be represented as a single,
multi-color LED or a single LED blinking in a specific interval.  The
specification leaves that open.

Each enabled indication (capability register bit on) is represented as a
ledclass_dev which can be controlled through sysfs. For every ledclass
device only 2 brightness states are allowed: LED_ON (1) or LED_OFF (0).
This corresponds to the NPEM control register (Indication bit on/off).

Ledclass devices appear in sysfs as child devices (subdirectory) of PCI
device which has an NPEM Extended Capability and indication is enabled in
NPEM capability register. For example, these are LEDs created for pcieport
"10000:02:05.0" on my setup:

  leds/
  ├── 10000:02:05.0:enclosure:fail
  ├── 10000:02:05.0:enclosure:locate
  ├── 10000:02:05.0:enclosure:ok
  └── 10000:02:05.0:enclosure:rebuild

They can be also found in "/sys/class/leds" directory. The parent PCIe
device domain/bus/device/function address is used to guarantee uniqueness
across leds subsystem.

To enable/disable a "fail" indication, the "brightness" file can be edited:

  echo 1 > ./leds/10000:02:05.0:enclosure:fail/brightness
  echo 0 > ./leds/10000:02:05.0:enclosure:fail/brightness

PCIe r6.1, sec 7.9.19.2 defines the possible indications.

Multiple indications for same parent PCIe device can conflict and hardware
may update them when processing new request. To avoid issues, driver
refresh all indications by reading back control register.

This driver expects to be the exclusive NPEM extended capability manager.
It waits up to 1 second after imposing new request, it doesn't verify if
controller is busy before write, and it assumes the mutex lock gives
protection from concurrent updates.

If _DSM LED management is available, we assume the platform may be using
NPEM for its own purposes (see PCI Firmware Spec r3.3 sec 4.7), so the
driver does not use NPEM. A future patch will add _DSM support; an info
message notes whether NPEM or _DSM is being used.

NPEM is a PCIe extended capability so it should be registered in
pcie_init_capabilities() but it is not possible due to LED dependency.  The
parent pci_device must be added earlier for led_classdev_register() to be
successful. NPEM does not require configuration on kernel side, so it is
safe to register LED devices later.

Link: https://lore.kernel.org/r/20240904104848.23480-3-mariusz.tkaczyk@linux.intel.com
Suggested-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Stuart Hayes <stuart.w.hayes@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-09-04 17:25:12 -05:00
Chanwoo Choi
c135cd82f1 Immutable branch for usb_types change for v6.12
Changing usb_types type from array to bitmap in the power_supply_desc
 struct requires updating power-supply drivers living in different
 subsystem, so it is handled via an immutable branch.
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Merge tag 'ib-psy-usb-types-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply into extcon-next

Immutable branch for usb_types change for v6.12

Changing usb_types type from array to bitmap in the power_supply_desc
struct requires updating power-supply drivers living in different
subsystem, so it is handled via an immutable branch.
2024-09-05 00:45:23 +09:00
Sebastian Reichel
2ff28e9765 Immutable branch for usb_types change for v6.12
Changing usb_types type from array to bitmap in the power_supply_desc
 struct requires updating power-supply drivers living in different
 subsystem, so it is handled via an immutable branch.
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Merge tag 'ib-psy-usb-types-signed' into psy-next

Changing usb_types type from array to bitmap in the power_supply_desc
struct requires updating power-supply drivers living in different
subsystem, so it is handled via an immutable branch.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2024-09-03 23:33:25 +02:00
Hans de Goede
0d9af1e1c9 power: supply: "usb_type" property may be written to
According to Documentation/ABI/testing/sysfs-class-power the "usb_type"
property is Read-Only.

For power-supplies which consume USB power such as battery charger chips,
this is correct.

But the UCS1002 USB Port Power Controller driver which is a driver
for a chip which is a power-source for USB-A charging ports "usb_type"
is actually writable to configure the type of USB charger emulated
by the USB-A port.

Adjust the docs and the power_supply_sysfs.c code to adjust for this
new writeable use of "usb_type":

1. Update Documentation/ABI/testing/sysfs-class-power to document that
"usb_type" may be writable

2. Change the power_supply_attr type in power_supply_sysfs.c from
POWER_SUPPLY_ATTR() into POWER_SUPPLY_ENUM_ATTR() so that the various
usb_type string values from POWER_SUPPLY_TYPE_TEXT[] such as e.g.
"SDP" and "USB_PD" can be written to the "usb_type" attribute instead
of only accepting integer values.

Cc: Enric Balletbo Serra <enric.balletbo@collabora.com>
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240831142039.28830-2-hdegoede@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2024-09-03 23:20:27 +02:00
David Lechner
192be24574 iio: ABI: document ad4695 new attributes
The ad4695 driver now supports calibration using the
in_voltageY_calib{scale,bias}[_available] attributes.

Only one of these was documented before. This adds rest.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20240820-ad4695-gain-offset-v1-4-c8f6e3b47551@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-09-03 18:49:43 +01:00
Vadim Fedorenko
40bec579d4 docs: ABI: update OCP TimeCard sysfs entries
Update documentation according to the changes in the driver.

New attributes group tty is exposed and ttyGNSS, ttyGNSS2, ttyMAC and
ttyNMEA are moved to this group. Also, these attributes are no more
links to the devices but rather simple text files containing names of
tty devices.

Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03 15:37:48 +02:00
Matthew Wilcox
3a2de36d20 nvmem: Fix misspelling
There is no function called kstrbool().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240902142952.71639-9-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-09-03 12:13:23 +02:00
Greg Kroah-Hartman
f53835f110 IIO: 1st set of new device support, features and cleanup for 6.12
Includes a merge of spi-mos-config branch from spi.git that brings
 support needed for the AD4000 driver.
 
 Lots of new device support this time including 9 new drivers and substantial
 changes to add new support to several more.
 
 New device support
 ------------------
 
 Given we have a lot of new support, I've subcategorized them:
 
 Substantial changes, or new driver
 **********************************
 
 adi,ad4000
 - New driver for this high speed ADC.
 adi,ad4695
 - New driver supporting AD4690, AD4696, AD4697 and AD4698 ADCs.
 - Follow up series added triggered buffer support.
 adi,ad7380
 - Add support for single ended parts, AD7386, ADC7387, AD7388 and -4 variants.
   (driver previously only support differential parts).
   These variants have an additional front end MUX so only half the channels
   can be sampled efficiently.
 adi,ad9467
 - Refactor and extend driver to support ad9643, ad9449 and ad9652 high speed
   ADCs.
 adi,adxl380
 - New driver for this low power accelerometer.
 adi,ltc2664
 - New driver supporting LTC2664 and LTC2672 DACs.
 microchip,pac1921
 - New driver for this power/current monitor chip.
 rohm,bh1745
 - New driver for this RGBC colour sensor.
 rohm,bu27034anuc
 - The original bu27034 was canceled before mass production, so the
   driver is modified to support the BU27034ANUC which had some significant
   differences.  DT compatible changed to avoid chance of old driver ever
   binding to real hardware.
 sciosense,ens210
 - New driver for ens210, ens210a, ens211, ens212, ens213a, and ens215
   temperature and humidity sensors (all register compatible up to some
   conversion time differences)
 sensiron,sdp500
 - New driver for this differential pressure sensor.
 tyhx,hx9023s
 - New driver to support this capacitive proximity sensor.
 
 Minor changes to support new devices
 ************************************
 
 adi,adf4377
 - Add support for the single output adf4378.
 kionix,kxcjk-1013
 - Add support for KX022-1020 accelerometer (binding and ID table only)
 liteon,ltrf216a
 - Add support for ltr-308.  A few minor differences in features set
 rockchip,saradc
 - Add ID for rk3576-saradc
 sensortek,stk3310
 - Add ID for stk3013 proximity sensor which (despite documentation) has
   an ambient light sensor and is compatible with existing parts.
 
 Documentation updates
 ---------------------
 
 Generalize ABI docs for shunt resistor attribute
 Improve calibscale and calibbias related documentation.  A couple of follow
 up patches to resolve duplicate documentation that resulted.
 
 New core features
 -----------------
 
 backend
 - Add option for debugfs - useful for test pattern control
 - Use this for both adi-axi-adc and adi-axi-dac
 trigger suspend
 - Add functions to allow triggers to be suspended. This avoids problems
   when a device enters suspend to idle with a sysfs trigger. Use it for now
   in the bmi323 only.
 
 New driver features
 -------------------
 
 adi,ad7192
 - Add option to be a clock provider (+ additional clock config options)
 adi,ad7380
 - Add documentation for this fairly new driver.
 adi,ad9461
 - Provide control of test modes and backend validation blocks used
   to identify problems (via debugfs)
 adi,ad9739
 - Add backend debugfs and docs for what is provided via adi-axi-dac
 avago,apds9960
 - Add proximity and gesture calibration offset control
 bosch,bmp280
 - Triggered buffer support including adding raw+scale output for sysfs.
 liteon,ltr390
 - Add configuration of integration time and scale.
 stm,dfsdm
 - Convert this SD modulator driver to backend framework and add support
   for channel scaling + modern channel bindings.
 
 Treewide cleanup
 ----------------
 
 iio_dev->masklength: Making it private.
 - Provide access function to read the core compute channel mask length
   and a macro to iterate over elements in the active_scan_mask.
 - Enables marking masklength __private preventing drivers from
   writing it without triggering a build warning whilst minimizing overhead
   in what are typically hot paths.
 - Convert all drivers and finally mark it private.
   Merge conflicts resolved in drivers applied after this point.
 Constify regmap_bus
 - These are never modified, so mark them const.
 
 Core cleanup
 ------------
 
 backend
 - A few late breaking bits of feedback (unused variable, error messages)
 dma-buffer
 - Namespace exports.
 core
 - Drop unused assignment.
 
 Driver cleanup
 --------------
 
 adi,ad4695
 - Fixing binding to reflect that common-mode-channel is a scalar.
 adi,ad7280a
 - Use __free(kfree) to simplify freeing of receive buffer.
 adi,ad7606
 - Various dt-binding cleanup and improvements.
 - Fix oversampling related gpio handling.
 - Make polarity of standby gpio match documentation.
 - use guard() to simplify lock handling.
 adi,ad7768
 - Use device_for_each_child_node_scoped() instead of fwnode equivalent.
 adi,ad7124
 - Reduce SPI transfers by avoiding separate writes to different fields
   in the same register.
 - Start the ADC in idle mode.
 adi,adis
 - Drop ifdefs in favor of IS_ENABLED.
 adi,admv8818
 - Fix wrong ABI docs.
 asahi-kasei,ak8975
 - Drop a prefix free compatible accidentally added recently.
 aspeed,adc
 - Use of_property_present() instead of of_find_property() to see if the
   property is there or not.
 atmel,at91,
 - Use __free(kfree) to simplify freeing of channel related array.
 bosch,bma400
 - Use __free(kfree) to simplify freeing a locally allocated string.
 bosch,bmc150
 - Add missing mount-matrix binding docs.
 bosch,bme680
 - Fix read/write to ensure multiple necessary sequential reads without
   device configuration change.
 - Drop unnecessary type casts and use more appropriate data types.
 - Drop some left over ACPI code as ACPI support was removed due to invalid
   IDs (and no known users).
 - Sort headers consistently.
 - Avoid unnecessary duplicate read and redundant read of gas config.
 - Use bulk reads to get calibration data.
 - Reorder allocation of IIO device to be prior to device init.
 - Add remaining read/write buffers to the union used already for all others.
 - Tidy up error checks for consistency of style, including dev_err_probe()
 - Bring the device startup procedure inline with the vendor code.
 - Reorder code so mode forcing is more obvious occurring where needed.
 - Tidy up data locality in reading functions so no magic data is stored
   in state structures just to get it across function calls.
 - Make a local lookup table static to avoid placing it on the stack.
 bosch,bmp280
 - Fix BME280 regmap to not include registers it doesn't have.
 - Wait a little longer after config to allow for maximum possible necessary
   wait.
 - Reorganize headers.
 - Make conversion_time_max array static to avoid placing it on the stack.
 maxim,max1363
 - Use __free(kfree) to simplify freeing transmission buffer.
 microchip,mcp3964
 - Use devm_regulator_get_enable_read_voltage()
 microchip,mcp3911
 - Use devm_regulator_get_enable_read_voltage()
 microchip,mcp4728
 - Use devm_regulator_get_enable_read_voltage()
 microchip,mcp4922
 - Use devm_regulator_get_enable_read_voltage() and devm_* to allow
   dropping of explicit remove() callback.
 onnn,noa1305
 - Various tidy up.
 - Provide available scale values.
 - Make integration time configurable.
 - Fix up integration time look up (/2 error)
 ti,dac7311
 - Check if spi_setup() succeeded.
 ti,tsc2046
 - Use __free(kfree) to simplify freeing rx and tx buffers.
 - Use devm_regulator_get_enable_read_voltage()
 
 Various minor fixes not called out explicitly.
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Merge tag 'iio-for-6.12a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-testing

Jonathan writes:

IIO: 1st set of new device support, features and cleanup for 6.12

Includes a merge of spi-mos-config branch from spi.git that brings
support needed for the AD4000 driver.

Lots of new device support this time including 9 new drivers and substantial
changes to add new support to several more.

New device support
------------------

Given we have a lot of new support, I've subcategorized them:

Substantial changes, or new driver
**********************************

adi,ad4000
- New driver for this high speed ADC.
adi,ad4695
- New driver supporting AD4690, AD4696, AD4697 and AD4698 ADCs.
- Follow up series added triggered buffer support.
adi,ad7380
- Add support for single ended parts, AD7386, ADC7387, AD7388 and -4 variants.
  (driver previously only support differential parts).
  These variants have an additional front end MUX so only half the channels
  can be sampled efficiently.
adi,ad9467
- Refactor and extend driver to support ad9643, ad9449 and ad9652 high speed
  ADCs.
adi,adxl380
- New driver for this low power accelerometer.
adi,ltc2664
- New driver supporting LTC2664 and LTC2672 DACs.
microchip,pac1921
- New driver for this power/current monitor chip.
rohm,bh1745
- New driver for this RGBC colour sensor.
rohm,bu27034anuc
- The original bu27034 was canceled before mass production, so the
  driver is modified to support the BU27034ANUC which had some significant
  differences.  DT compatible changed to avoid chance of old driver ever
  binding to real hardware.
sciosense,ens210
- New driver for ens210, ens210a, ens211, ens212, ens213a, and ens215
  temperature and humidity sensors (all register compatible up to some
  conversion time differences)
sensiron,sdp500
- New driver for this differential pressure sensor.
tyhx,hx9023s
- New driver to support this capacitive proximity sensor.

Minor changes to support new devices
************************************

adi,adf4377
- Add support for the single output adf4378.
kionix,kxcjk-1013
- Add support for KX022-1020 accelerometer (binding and ID table only)
liteon,ltrf216a
- Add support for ltr-308.  A few minor differences in features set
rockchip,saradc
- Add ID for rk3576-saradc
sensortek,stk3310
- Add ID for stk3013 proximity sensor which (despite documentation) has
  an ambient light sensor and is compatible with existing parts.

Documentation updates
---------------------

Generalize ABI docs for shunt resistor attribute
Improve calibscale and calibbias related documentation.  A couple of follow
up patches to resolve duplicate documentation that resulted.

New core features
-----------------

backend
- Add option for debugfs - useful for test pattern control
- Use this for both adi-axi-adc and adi-axi-dac
trigger suspend
- Add functions to allow triggers to be suspended. This avoids problems
  when a device enters suspend to idle with a sysfs trigger. Use it for now
  in the bmi323 only.

New driver features
-------------------

adi,ad7192
- Add option to be a clock provider (+ additional clock config options)
adi,ad7380
- Add documentation for this fairly new driver.
adi,ad9461
- Provide control of test modes and backend validation blocks used
  to identify problems (via debugfs)
adi,ad9739
- Add backend debugfs and docs for what is provided via adi-axi-dac
avago,apds9960
- Add proximity and gesture calibration offset control
bosch,bmp280
- Triggered buffer support including adding raw+scale output for sysfs.
liteon,ltr390
- Add configuration of integration time and scale.
stm,dfsdm
- Convert this SD modulator driver to backend framework and add support
  for channel scaling + modern channel bindings.

Treewide cleanup
----------------

iio_dev->masklength: Making it private.
- Provide access function to read the core compute channel mask length
  and a macro to iterate over elements in the active_scan_mask.
- Enables marking masklength __private preventing drivers from
  writing it without triggering a build warning whilst minimizing overhead
  in what are typically hot paths.
- Convert all drivers and finally mark it private.
  Merge conflicts resolved in drivers applied after this point.
Constify regmap_bus
- These are never modified, so mark them const.

Core cleanup
------------

backend
- A few late breaking bits of feedback (unused variable, error messages)
dma-buffer
- Namespace exports.
core
- Drop unused assignment.

Driver cleanup
--------------

adi,ad4695
- Fixing binding to reflect that common-mode-channel is a scalar.
adi,ad7280a
- Use __free(kfree) to simplify freeing of receive buffer.
adi,ad7606
- Various dt-binding cleanup and improvements.
- Fix oversampling related gpio handling.
- Make polarity of standby gpio match documentation.
- use guard() to simplify lock handling.
adi,ad7768
- Use device_for_each_child_node_scoped() instead of fwnode equivalent.
adi,ad7124
- Reduce SPI transfers by avoiding separate writes to different fields
  in the same register.
- Start the ADC in idle mode.
adi,adis
- Drop ifdefs in favor of IS_ENABLED.
adi,admv8818
- Fix wrong ABI docs.
asahi-kasei,ak8975
- Drop a prefix free compatible accidentally added recently.
aspeed,adc
- Use of_property_present() instead of of_find_property() to see if the
  property is there or not.
atmel,at91,
- Use __free(kfree) to simplify freeing of channel related array.
bosch,bma400
- Use __free(kfree) to simplify freeing a locally allocated string.
bosch,bmc150
- Add missing mount-matrix binding docs.
bosch,bme680
- Fix read/write to ensure multiple necessary sequential reads without
  device configuration change.
- Drop unnecessary type casts and use more appropriate data types.
- Drop some left over ACPI code as ACPI support was removed due to invalid
  IDs (and no known users).
- Sort headers consistently.
- Avoid unnecessary duplicate read and redundant read of gas config.
- Use bulk reads to get calibration data.
- Reorder allocation of IIO device to be prior to device init.
- Add remaining read/write buffers to the union used already for all others.
- Tidy up error checks for consistency of style, including dev_err_probe()
- Bring the device startup procedure inline with the vendor code.
- Reorder code so mode forcing is more obvious occurring where needed.
- Tidy up data locality in reading functions so no magic data is stored
  in state structures just to get it across function calls.
- Make a local lookup table static to avoid placing it on the stack.
bosch,bmp280
- Fix BME280 regmap to not include registers it doesn't have.
- Wait a little longer after config to allow for maximum possible necessary
  wait.
- Reorganize headers.
- Make conversion_time_max array static to avoid placing it on the stack.
maxim,max1363
- Use __free(kfree) to simplify freeing transmission buffer.
microchip,mcp3964
- Use devm_regulator_get_enable_read_voltage()
microchip,mcp3911
- Use devm_regulator_get_enable_read_voltage()
microchip,mcp4728
- Use devm_regulator_get_enable_read_voltage()
microchip,mcp4922
- Use devm_regulator_get_enable_read_voltage() and devm_* to allow
  dropping of explicit remove() callback.
onnn,noa1305
- Various tidy up.
- Provide available scale values.
- Make integration time configurable.
- Fix up integration time look up (/2 error)
ti,dac7311
- Check if spi_setup() succeeded.
ti,tsc2046
- Use __free(kfree) to simplify freeing rx and tx buffers.
- Use devm_regulator_get_enable_read_voltage()

Various minor fixes not called out explicitly.

* tag 'iio-for-6.12a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (250 commits)
  drivers:iio:Fix the NULL vs IS_ERR() bug for debugfs_create_dir()
  iio: sgp40: retain documentation in driver
  iio: ABI: remove duplicate in_resistance_calibbias
  dt-bindings: iio: st,stm32-adc: add top-level constraints
  iio: ABI: add missing calibbias attributes
  iio: ABI: add missing calibscale attributes
  iio: ABI: sort calibscale attributes
  iio: ABI: document calibscale_available attributes
  iio: light: ltr390: Calculate 'counts_per_uvi' dynamically
  iio: light: ltr390: Add ALS channel and support for gain and resolution
  doc: iio: ad4695: document buffered read
  iio: adc: ad4695: implement triggered buffer
  iio: proximity: hx9023s: Fix error code in hx9023s_property_get()
  iio: light: noa1305: Fix up integration time look up
  iio: humidity: Add support for ENS210
  dt-bindings: iio: humidity: add ENS210 sensor family
  iio: imu: adis16460: drop ifdef around CONFIG_DEBUG_FS
  iio: imu: adis16400: drop ifdef around CONFIG_DEBUG_FS
  iio: imu: adis16480: drop ifdef around CONFIG_DEBUG_FS
  iio: imu: adis16475: drop ifdef around CONFIG_DEBUG_FS
  ...
2024-09-03 11:32:16 +02:00
Michael Walle
a17f04d4f2 usb: gadget: f_acm: make bInterfaceProtocol configurable
The bInterfaceProtocol is hardcoded to USB_CDC_ACM_PROTO_AT_V25TER. This
will lead to problems with ModemManger which will gladly try to probe
that port as a modem if the gadget also has a network function.
ModemManager will try to send AT commands to the ACM port. Make the
bInterfaceProtocol configurable. For this, track the number of instances
and only allow write to the property if there are no intances (yet).

This will also set bFunctionProtocol to the same value, see commit
5c8db070b4 ("USB: Change acm_iad_descriptor bFunctionProtocol to
USB_CDC_ACM_PROTO_AT_V25TER") for more details.

Signed-off-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20240825180446.3757073-1-mwalle@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-09-03 09:54:16 +02:00
Sourabh Jain
c91c6062d6 Document/kexec: generalize crash hotplug description
Commit 79365026f8 ("crash: add a new kexec flag for hotplug support")
generalizes the crash hotplug support to allow architectures to update
multiple kexec segments on CPU/Memory hotplug and not just elfcorehdr. 
Therefore, update the relevant kernel documentation to reflect the same.

No functional change.

Link: https://lkml.kernel.org/r/20240812041651.703156-1-sourabhjain@linux.ibm.com
Signed-off-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Reviewed-by: Petr Tesarik <ptesarik@suse.com>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Hari Bathini <hbathini@linux.ibm.com>
Cc: Petr Tesarik <petr@tesarici.cz>
Cc: Sourabh Jain <sourabhjain@linux.ibm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-09-01 20:43:37 -07:00
Christophe Leroy
6eda706a53 selftests: vDSO: fix the way vDSO functions are called for powerpc
vdso_test_correctness test fails on powerpc:

~ # ./vdso_test_correctness
...
[RUN]	Testing clock_gettime for clock CLOCK_REALTIME_ALARM (8)...
[FAIL]	No such clock, but __vdso_clock_gettime returned 22
[RUN]	Testing clock_gettime for clock CLOCK_BOOTTIME_ALARM (9)...
[FAIL]	No such clock, but __vdso_clock_gettime returned 22
[RUN]	Testing clock_gettime for clock CLOCK_SGI_CYCLE (10)...
[FAIL]	No such clock, but __vdso_clock_gettime returned 22
...
[RUN]	Testing clock_gettime for clock invalid (-1)...
[FAIL]	No such clock, but __vdso_clock_gettime returned 22
[RUN]	Testing clock_gettime for clock invalid (-2147483648)...
[FAIL]	No such clock, but __vdso_clock_gettime returned 22
[RUN]	Testing clock_gettime for clock invalid (2147483647)...
[FAIL]	No such clock, but __vdso_clock_gettime returned 22

On powerpc, a call to a VDSO function is not an ordinary C function
call. Unlike several architectures which returns a negative error code
in case of an error, powerpc sets CR[SO] and returns the error code
as a positive value.

Define and use a macro called VDSO_CALL() which takes a pointer
to the function to call, the number of arguments and the arguments.

Also update ABI vdso documentation to reflect this subtlety.

Provide a specific version of VDSO_CALL() for powerpc that negates
the error code on return when CR[SO] is set.

Fixes: c7e5789b24 ("kselftest: Move test_vdso to the vDSO test suite")
Fixes: 2e9a972566 ("selftests: vdso: Add a selftest for vDSO getcpu()")
Fixes: 693f5ca08c ("kselftest: Extend vDSO selftest")
Fixes: b2f1c3db28 ("kselftest: Extend vdso correctness test to clock_gettime64")
Fixes: 4920a2590e ("selftests/vDSO: add tests for vgetrandom")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2024-08-30 15:48:45 +02:00
Raag Jadav
727eb1e3f0 drm/i915/hwmon: expose fan speed
Add hwmon support for fan1_input attribute, which will expose fan speed
in RPM. With this in place we can monitor fan speed using lm-sensors tool.

$ sensors
i915-pci-0300
Adapter: PCI adapter
in0:         653.00 mV
fan1:        3833 RPM
power1:           N/A  (max =  43.00 W)
energy1:      32.02 kJ

v2: Handle overflow, add mutex protection and ABI documentation
    Aesthetic adjustments (Riana)
v3: Change rotations data type, ABI date and version
v4: Fix wakeref leak
    Drop switch case and simplify hwm_fan_xx() (Andi)
v5: Rework time calculation, aesthetic adjustments (Andy)
v6: Drop redundant overflow logic (Andy)
    Split fan_input_read() into dedicated helper (Badal)
v7: Fix undefined reference to __udivdi3 for i386 (Andy)

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240823034548.2670032-1-raag.jadav@intel.com
2024-08-28 12:06:07 +05:30
Andres Salomon
919a471902 ABI: testing: sysfs-class-power: clarify charge_type documentation
The existing docs here are a bit vague. This reformats and rewords it,
and is based upon the wording originally used by the dell-laptop driver
battery documentation and also sysfs-class-power-wilco.

The wording for "Long Life" and "Bypass" remain the same, because I'm
unfamiliar with hardware that use them.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240820041942.30ed42f3@5400
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2024-08-27 11:31:53 +02:00
Jens Wiklander
f0c8431568 optee: probe RPMB device using RPMB subsystem
Adds support in the OP-TEE drivers (both SMC and FF-A ABIs) to probe and
use an RPMB device via the RPMB subsystem instead of passing the RPMB
frames via tee-supplicant in user space. A fallback mechanism is kept to
route RPMB frames via tee-supplicant if the RPMB subsystem isn't
available.

The OP-TEE RPC ABI is extended to support iterating over all RPMB
devices until one is found with the expected RPMB key already
programmed.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Tested-by: Manuel Traut <manut@mecka.net>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Link: https://lore.kernel.org/r/20240814153558.708365-5-jens.wiklander@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2024-08-26 13:16:20 +02:00
David Lechner
6bcffddc14 iio: ABI: remove duplicate in_resistance_calibbias
In commit 0f718e10da ("iio: ABI: add missing calibbias attributes"),
the in_resistance_calibbias attribute was added to the main IIO ABI
documentation. This attribute is was already documented in
sysfs-bus-iio-chemical-sgp40. This resulted in a duplicate entry that is
causing documentation build warnings.

This removes the attribute from the sgp40 documentation in favor of the
main IIO ABI documentation since this attribute fits the established
pattern of standard IIO attributes.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/linux-next/20240820134739.50c771cb@canb.auug.org.au/
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20240820-iio-abi-remove-dup-in_resistance_calibbias-v1-1-e64e58cabb14@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-21 21:27:24 +01:00
Greg Kroah-Hartman
ca7df2c7bb Merge 6.11-rc4 into usb-next
We need the usb / thunderbolt fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-08-19 06:16:49 +02:00
Linus Torvalds
810996a363 powerpc fixes for 6.11 #2
- Fix crashes on 85xx with some configs since the recent hugepd rework.
 
  - Fix boot warning with hugepages and CONFIG_DEBUG_VIRTUAL on some platforms.
 
  - Don't enable offline cores when changing SMT modes, to match existing
    userspace behaviour.
 
 Thanks to: Christophe Leroy, Dr. David Alan Gilbert, Guenter Roeck, Nysal Jan
 K.A, Shrikanth Hegde, Thomas Gleixner, Tyrel Datwyler.
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Merge tag 'powerpc-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Fix crashes on 85xx with some configs since the recent hugepd rework.

 - Fix boot warning with hugepages and CONFIG_DEBUG_VIRTUAL on some
   platforms.

 - Don't enable offline cores when changing SMT modes, to match existing
   userspace behaviour.

Thanks to Christophe Leroy, Dr. David Alan Gilbert, Guenter Roeck, Nysal
Jan K.A, Shrikanth Hegde, Thomas Gleixner, and Tyrel Datwyler.

* tag 'powerpc-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/topology: Check if a core is online
  cpu/SMT: Enable SMT only if a core is online
  powerpc/mm: Fix boot warning with hugepages and CONFIG_DEBUG_VIRTUAL
  powerpc/mm: Fix size of allocated PGDIR
  soc: fsl: qbman: remove unused struct 'cgr_comp'
2024-08-17 19:23:02 -07:00
David Lechner
0f718e10da iio: ABI: add missing calibbias attributes
There are a number of calibbias and calibbias_available attributes that
are being used by various drivers that have not been documented yet.

This adds attributes found by searching the code for:

    BIT(IIO_CHAN_INFO_CALIBSCALE)

A couple of not quite alphabetical order attributes were moved while
touching this.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20240815-iio-abi-calib-audit-v1-4-536b2fea8620@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-17 15:49:33 +01:00
David Lechner
65bb432a2c iio: ABI: add missing calibscale attributes
This adds additional calibscale attributes to the ABI documentation for
instances found in drivers by searching the code for:

    BIT(IIO_CHAN_INFO_CALIBSCALE)

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20240815-iio-abi-calib-audit-v1-3-536b2fea8620@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-17 15:49:33 +01:00
David Lechner
6f49235b9e iio: ABI: sort calibscale attributes
Sort calibscale attributes so that when we add more, they can also be
added in alphabetical order.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20240815-iio-abi-calib-audit-v1-2-536b2fea8620@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-17 15:49:33 +01:00
David Lechner
94290f74c5 iio: ABI: document calibscale_available attributes
There are a number of light sensor drivers that have various
calibscale_available attributes. Up to now, these were missing from
the documentation.

Kernel version 4.8 is used since the first use appears to be in
commit eb869ade30 ("iio: Add tcs3472 color light sensor driver").

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20240815-iio-abi-calib-audit-v1-1-536b2fea8620@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-17 15:49:33 +01:00
liujinbao1
6f092b55e1 f2fs: sysfs: support atgc_enabled
When we add "atgc" to the fstab table, ATGC is not immediately enabled.
There is a 7-day time threshold, and we can use "atgc_enabled" to
show whether ATGC is enabled.

Signed-off-by: liujinbao1 <liujinbao1@xiaomi.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2024-08-15 15:26:40 +00:00
Chris Wulff
82313624b2 usb: gadget: f_uac1: Change volume name and remove alt names
This changes the UAPI to align with disussion of alt settings work.

fu_name is renamed to fu_vol_name, and alt settings mode names
are removed for now in favor of future work where they will be
settable in subdirectories for each alt mode.

discussion thread for api changes for alt mode settings:
https://lore.kernel.org/linux-usb/35be4668-58d3-894a-72cf-de1afaacae45@ivitera.com/T/

Signed-off-by: Chris Wulff <crwulff@gmail.com>
Link: https://lore.kernel.org/r/20240804002912.3293177-2-crwulff@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-08-13 18:11:35 +02:00
Chris Wulff
8952e50e16 usb: gadget: f_uac2: Expose all string descriptors through configfs.
This makes all string descriptors configurable for the UAC2 gadget
so the user can configure names of terminals and controls. Alt mode
names are not included for now and will be in future work related
to adding alternate settings.

discussion thread for api changes for alt mode settings:
https://lore.kernel.org/linux-usb/35be4668-58d3-894a-72cf-de1afaacae45@ivitera.com/T/

Signed-off-by: Chris Wulff <chris.wulff@biamp.com>
Link: https://lore.kernel.org/r/20240804001923.3279431-2-crwulff@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-08-13 10:37:05 +02:00
Avri Altman
f51d748195 scsi: ufs: Add HCI capabilities sysfs group
The standard register map of UFSHCI is comprised of several groups.  The
first group (starting from offset 0x00), is the host capabilities group.
It contains some interesting information that otherwise is not available,
e.g. the UFS version of the platform etc.

Reviewed-by: Keoseong Park <keosung.park@samsung.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20240811143757.2538212-3-avri.altman@wdc.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-08-12 22:11:24 -04:00
Nysal Jan K.A
6c17ea1f3e cpu/SMT: Enable SMT only if a core is online
If a core is offline then enabling SMT should not online CPUs of
this core. By enabling SMT, what is intended is either changing the SMT
value from "off" to "on" or setting the SMT level (threads per core) from a
lower to higher value.

On PowerPC the ppc64_cpu utility can be used, among other things, to
perform the following functions:

ppc64_cpu --cores-on                # Get the number of online cores
ppc64_cpu --cores-on=X              # Put exactly X cores online
ppc64_cpu --offline-cores=X[,Y,...] # Put specified cores offline
ppc64_cpu --smt={on|off|value}      # Enable, disable or change SMT level

If the user has decided to offline certain cores, enabling SMT should
not online CPUs in those cores. This patch fixes the issue and changes
the behaviour as described, by introducing an arch specific function
topology_is_core_online(). It is currently implemented only for PowerPC.

Fixes: 73c58e7e14 ("powerpc: Add HOTPLUG_SMT support")
Reported-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Closes: https://groups.google.com/g/powerpc-utils-devel/c/wrwVzAAnRlI/m/5KJSoqP4BAAJ
Signed-off-by: Nysal Jan K.A <nysal@linux.ibm.com>
Reviewed-by: Shrikanth Hegde <sshegde@linux.ibm.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240731030126.956210-2-nysal@linux.ibm.com
2024-08-13 10:31:24 +10:00
Greg Kroah-Hartman
38343be0bf Merge 6.11-rc3 into usb-next
We need the usb fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-08-12 18:49:00 +02:00
Nuno Sa
17a9e95c8b ABI: debugfs-iio-ad9467: document the debugfs interface
Document the debugfs interface for the IIO ad9467 high speed ADC.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240806-dev-ad-debugfs-doc-v1-2-153b882a3f01@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-10 11:17:34 +01:00
Marek Behún
e1793fea03 doc: platform: cznic: turris-omnia-mcu: Use double backticks for attribute value
Use double backticks instead of quotes for sysfs attribute value.
This makes sphinx generate the "mcu" and "cpu" values in monospace when
rendering to HTML.

Fixes: dfa556e45a ("platform: cznic: turris-omnia-mcu: Add support for MCU connected GPIOs")
Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20240730144924.25552-3-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-08-07 14:43:54 +02:00
Marek Behún
a626ada418 doc: platform: cznic: turris-omnia-mcu: Fix sphinx-build warning
Fix sphinx-build warnings
  ERROR: Unexpected indentation.
  WARNING: Block quote ends without a blank line; unexpected unindent
in Documentation/ABI/testing/sysfs-bus-i2c-devices-turris-omnia-mcu.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/all/20240702174938.04c12aab@canb.auug.org.au/
Fixes: dfa556e45a ("platform: cznic: turris-omnia-mcu: Add support for MCU connected GPIOs")
Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20240730144924.25552-2-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-08-07 14:43:54 +02:00
Liao Yuanhong
8444ce5249 f2fs: add write priority option based on zone UFS
Currently, we are using a mix of traditional UFS and zone UFS to support
some functionalities that cannot be achieved on zone UFS alone. However,
there are some issues with this approach. There exists a significant
performance difference between traditional UFS and zone UFS. Under normal
usage, we prioritize writes to zone UFS. However, in critical conditions
(such as when the entire UFS is almost full), we cannot determine whether
data will be written to traditional UFS or zone UFS. This can lead to
significant performance fluctuations, which is not conducive to
development and testing. To address this, we have added an option
zlu_io_enable under sys with the following three modes:
1) zlu_io_enable == 0:Normal mode, prioritize writing to zone UFS;
2) zlu_io_enable == 1:Zone UFS only mode, only allow writing to zone UFS;
3) zlu_io_enable == 2:Traditional UFS priority mode, prioritize writing to
traditional UFS.

Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Signed-off-by: Wu Bo <bo.wu@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2024-08-05 20:18:35 +00:00
Nuno Sa
cdf01e0809 iio: backend: add debugFs interface
This adds a basic debugfs interface for backends. Two new ops are being
added:

 * debugfs_reg_access: Analogous to the core IIO one but for backend
   devices.
 * debugfs_print_chan_status: One useful usecase for this one is for
   testing test tones in a digital interface and "ask" the backend to
   dump more details on why a test tone might have errors.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240802-dev-iio-backend-add-debugfs-v2-2-4cb62852f0d0@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-03 14:36:45 +01:00
Matteo Martelli
d3abae8c1e iio: ABI: generalize shunt_resistor attribute
Move ABI documentation for custom shunt resistor attributes into the
generic iio documentation file. Exception for pac1934: leave it
untouched since it does not comply with common iio ABI generalization.

Signed-off-by: Matteo Martelli <matteomartelli3@gmail.com>
Link: https://patch.msgid.link/20240722-iio-pac1921-v3-2-05dc9916cb33@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-03 10:13:41 +01:00
Kim Seer Paller
404cb1bcef iio: ABI: add DAC 42kohm_to_gnd powerdown mode
Add a new powerdown mode for DACs with 42kohm resistor to GND.

Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com>
Link: https://patch.msgid.link/20240718051834.32270-3-kimseer.paller@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-03 10:13:37 +01:00
Kim Seer Paller
5fe8da6127 iio: ABI: Generalize ABI documentation for DAC
Introduces a more generalized ABI documentation for DAC. Instead of
having separate ABI files for each DAC, we now have a single ABI file
that covers the common sysfs interface for all DAC.

Signed-off-by: Kim Seer Paller <kimseer.paller@analog.com>
https://patch.msgid.link/20240718051834.32270-2-kimseer.paller@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-03 10:13:37 +01:00
Antoniu Miclaus
7d34b4ad8c ABI: testing: fix admv8818 attr description
Fix description of the filter_mode_available attribute by pointing to
the correct name of the attribute that can be written with valid values.

Fixes: bf92d87d7c ("iio:filter:admv8818: Add sysfs ABI documentation")
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://patch.msgid.link/20240702081851.4663-1-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-08-03 10:12:48 +01:00
Chris Wulff
aace0aec49 usb: gadget: f_uac1: Expose all string descriptors through configfs.
This makes all string descriptors configurable for the UAC1 gadget
so the user can configure names of terminals/controls/alt modes.

Signed-off-by: Chris Wulff <chris.wulff@biamp.com>
Link: https://lore.kernel.org/r/CO1PR17MB541911B0C80D21E4B575E48CE1112@CO1PR17MB5419.namprd17.prod.outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-07-31 10:41:06 +02:00
Linus Torvalds
e62f81bbd2 CXL for v6.11 merge window
New Changes:
 - Refactor to a common struct for DRAM and general media CXL events
 - Add abstract distance calculation support for CXL
 - Add CXL maturity map documentation to detail current state of CXL enabling
 - Add warning on mixed CXL VH and RCH/RCD hierachy to inform unsupported config
 - Replace ENXIO with EBUSY for inject poison limit reached via debugfs
 - Replace ENXIO with EBUSY for inject poison cxl-test support
 - XOR math fixup for DPA to SPA translation. Current math works for MODULO arithmetic
   where HPA==SPA, however not for XOR decode.
 - Move pci config read in cxl_dvsec_rr_decode() to avoid unnecessary acess
 
 Fixes:
 - Add a fix to address race condition in CXL memory hotplug notifier
 - Add missing MODULE_DESCRIPTION() for CXL modules
 - Fix incorrect vendor debug UUID define
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Merge tag 'cxl-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL updates from Dave Jiang:
 "Core:

   - A CXL maturity map has been added to the documentation to detail
     the current state of CXL enabling.

     It provides the status of the current state of various CXL features
     to inform current and future contributors of where things are and
     which areas need contribution.

   - A notifier handler has been added in order for a newly created CXL
     memory region to trigger the abstract distance metrics calculation.

     This should bring parity for CXL memory to the same level vs
     hotplugged DRAM for NUMA abstract distance calculation. The
     abstract distance reflects relative performance used for memory
     tiering handling.

   - An addition for XOR math has been added to address the CXL DPA to
     SPA translation.

     CXL address translation did not support address interleave math
     with XOR prior to this change.

  Fixes:

   - Fix to address race condition in the CXL memory hotplug notifier

   - Add missing MODULE_DESCRIPTION() for CXL modules

   - Fix incorrect vendor debug UUID define

  Misc:

   - A warning has been added to inform users of an unsupported
     configuration when mixing CXL VH and RCH/RCD hierarchies

   - The ENXIO error code has been replaced with EBUSY for inject poison
     limit reached via debugfs and cxl-test support

   - Moving the PCI config read in cxl_dvsec_rr_decode() to avoid
     unnecessary PCI config reads

   - A refactor to a common struct for DRAM and general media CXL
     events"

* tag 'cxl-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
  cxl/core/pci: Move reading of control register to immediately before usage
  cxl: Remove defunct code calculating host bridge target positions
  cxl/region: Verify target positions using the ordered target list
  cxl: Restore XOR'd position bits during address translation
  cxl/core: Fold cxl_trace_hpa() into cxl_dpa_to_hpa()
  cxl/test: Replace ENXIO with EBUSY for inject poison limit reached
  cxl/memdev: Replace ENXIO with EBUSY for inject poison limit reached
  cxl/acpi: Warn on mixed CXL VH and RCH/RCD Hierarchy
  cxl/core: Fix incorrect vendor debug UUID define
  Documentation: CXL Maturity Map
  cxl/region: Simplify cxl_region_nid()
  cxl/region: Support to calculate memory tier abstract distance
  cxl/region: Fix a race condition in memory hotplug notifier
  cxl: add missing MODULE_DESCRIPTION() macros
  cxl/events: Use a common struct for DRAM and General Media events
2024-07-28 09:33:28 -07:00
Linus Torvalds
d2d721e2eb Livepatching changes for 6.11
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Merge tag 'livepatching-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching

Pull livepatching update from Petr Mladek:

 - show patch->replace flag in sysfs

 - add or improve few selftests

* tag 'livepatching-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  livepatch: Replace snprintf() with sysfs_emit()
  selftests/livepatch: Add selftests for "replace" sysfs attribute
  livepatch: Add "replace" sysfs attribute
  selftests: livepatch: Test atomic replace against multiple modules
  selftests/livepatch: define max test-syscall processes
2024-07-23 11:11:51 -07:00
Linus Torvalds
fbc90c042c - 875fa64577da ("mm/hugetlb_vmemmap: fix race with speculative PFN
walkers") is known to cause a performance regression
   (https://lore.kernel.org/all/3acefad9-96e5-4681-8014-827d6be71c7a@linux.ibm.com/T/#mfa809800a7862fb5bdf834c6f71a3a5113eb83ff).
   Yu has a fix which I'll send along later via the hotfixes branch.
 
 - In the series "mm: Avoid possible overflows in dirty throttling" Jan
   Kara addresses a couple of issues in the writeback throttling code.
   These fixes are also targetted at -stable kernels.
 
 - Ryusuke Konishi's series "nilfs2: fix potential issues related to
   reserved inodes" does that.  This should actually be in the
   mm-nonmm-stable tree, along with the many other nilfs2 patches.  My bad.
 
 - More folio conversions from Kefeng Wang in the series "mm: convert to
   folio_alloc_mpol()"
 
 - Kemeng Shi has sent some cleanups to the writeback code in the series
   "Add helper functions to remove repeated code and improve readability of
   cgroup writeback"
 
 - Kairui Song has made the swap code a little smaller and a little
   faster in the series "mm/swap: clean up and optimize swap cache index".
 
 - In the series "mm/memory: cleanly support zeropage in
   vm_insert_page*(), vm_map_pages*() and vmf_insert_mixed()" David
   Hildenbrand has reworked the rather sketchy handling of the use of the
   zeropage in MAP_SHARED mappings.  I don't see any runtime effects here -
   more a cleanup/understandability/maintainablity thing.
 
 - Dev Jain has improved selftests/mm/va_high_addr_switch.c's handling of
   higher addresses, for aarch64.  The (poorly named) series is
   "Restructure va_high_addr_switch".
 
 - The core TLB handling code gets some cleanups and possible slight
   optimizations in Bang Li's series "Add update_mmu_tlb_range() to
   simplify code".
 
 - Jane Chu has improved the handling of our
   fake-an-unrecoverable-memory-error testing feature MADV_HWPOISON in the
   series "Enhance soft hwpoison handling and injection".
 
 - Jeff Johnson has sent a billion patches everywhere to add
   MODULE_DESCRIPTION() to everything.  Some landed in this pull.
 
 - In the series "mm: cleanup MIGRATE_SYNC_NO_COPY mode", Kefeng Wang has
   simplified migration's use of hardware-offload memory copying.
 
 - Yosry Ahmed performs more folio API conversions in his series "mm:
   zswap: trivial folio conversions".
 
 - In the series "large folios swap-in: handle refault cases first",
   Chuanhua Han inches us forward in the handling of large pages in the
   swap code.  This is a cleanup and optimization, working toward the end
   objective of full support of large folio swapin/out.
 
 - In the series "mm,swap: cleanup VMA based swap readahead window
   calculation", Huang Ying has contributed some cleanups and a possible
   fixlet to his VMA based swap readahead code.
 
 - In the series "add mTHP support for anonymous shmem" Baolin Wang has
   taught anonymous shmem mappings to use multisize THP.  By default this
   is a no-op - users must opt in vis sysfs controls.  Dramatic
   improvements in pagefault latency are realized.
 
 - David Hildenbrand has some cleanups to our remaining use of
   page_mapcount() in the series "fs/proc: move page_mapcount() to
   fs/proc/internal.h".
 
 - David also has some highmem accounting cleanups in the series
   "mm/highmem: don't track highmem pages manually".
 
 - Build-time fixes and cleanups from John Hubbard in the series
   "cleanups, fixes, and progress towards avoiding "make headers"".
 
 - Cleanups and consolidation of the core pagemap handling from Barry
   Song in the series "mm: introduce pmd|pte_needs_soft_dirty_wp helpers
   and utilize them".
 
 - Lance Yang's series "Reclaim lazyfree THP without splitting" has
   reduced the latency of the reclaim of pmd-mapped THPs under fairly
   common circumstances.  A 10x speedup is seen in a microbenchmark.
 
   It does this by punting to aother CPU but I guess that's a win unless
   all CPUs are pegged.
 
 - hugetlb_cgroup cleanups from Xiu Jianfeng in the series
   "mm/hugetlb_cgroup: rework on cftypes".
 
 - Miaohe Lin's series "Some cleanups for memory-failure" does just that
   thing.
 
 - Is anyone reading this stuff?  If so, email me!
 
 - Someone other than SeongJae has developed a DAMON feature in Honggyu
   Kim's series "DAMON based tiered memory management for CXL memory".
   This adds DAMON features which may be used to help determine the
   efficiency of our placement of CXL/PCIe attached DRAM.
 
 - DAMON user API centralization and simplificatio work in SeongJae
   Park's series "mm/damon: introduce DAMON parameters online commit
   function".
 
 - In the series "mm: page_type, zsmalloc and page_mapcount_reset()"
   David Hildenbrand does some maintenance work on zsmalloc - partially
   modernizing its use of pageframe fields.
 
 - Kefeng Wang provides more folio conversions in the series "mm: remove
   page_maybe_dma_pinned() and page_mkclean()".
 
 - More cleanup from David Hildenbrand, this time in the series
   "mm/memory_hotplug: use PageOffline() instead of PageReserved() for
   !ZONE_DEVICE".  It "enlightens memory hotplug more about PageOffline()
   pages" and permits the removal of some virtio-mem hacks.
 
 - Barry Song's series "mm: clarify folio_add_new_anon_rmap() and
   __folio_add_anon_rmap()" is a cleanup to the anon folio handling in
   preparation for mTHP (multisize THP) swapin.
 
 - Kefeng Wang's series "mm: improve clear and copy user folio"
   implements more folio conversions, this time in the area of large folio
   userspace copying.
 
 - The series "Docs/mm/damon/maintaier-profile: document a mailing tool
   and community meetup series" tells people how to get better involved
   with other DAMON developers.  From SeongJae Park.
 
 - A large series ("kmsan: Enable on s390") from Ilya Leoshkevich does
   that.
 
 - David Hildenbrand sends along more cleanups, this time against the
   migration code.  The series is "mm/migrate: move NUMA hinting fault
   folio isolation + checks under PTL".
 
 - Jan Kara has found quite a lot of strangenesses and minor errors in
   the readahead code.  He addresses this in the series "mm: Fix various
   readahead quirks".
 
 - SeongJae Park's series "selftests/damon: test DAMOS tried regions and
   {min,max}_nr_regions" adds features and addresses errors in DAMON's self
   testing code.
 
 - Gavin Shan has found a userspace-triggerable WARN in the pagecache
   code.  The series "mm/filemap: Limit page cache size to that supported
   by xarray" addresses this.  The series is marked cc:stable.
 
 - Chengming Zhou's series "mm/ksm: cmp_and_merge_page() optimizations
   and cleanup" cleans up and slightly optimizes KSM.
 
 - Roman Gushchin has separated the memcg-v1 and memcg-v2 code - lots of
   code motion.  The series (which also makes the memcg-v1 code
   Kconfigurable) are
 
   "mm: memcg: separate legacy cgroup v1 code and put under config
   option" and
   "mm: memcg: put cgroup v1-specific memcg data under CONFIG_MEMCG_V1"
 
 - Dan Schatzberg's series "Add swappiness argument to memory.reclaim"
   adds an additional feature to this cgroup-v2 control file.
 
 - The series "Userspace controls soft-offline pages" from Jiaqi Yan
   permits userspace to stop the kernel's automatic treatment of excessive
   correctable memory errors.  In order to permit userspace to monitor and
   handle this situation.
 
 - Kefeng Wang's series "mm: migrate: support poison recover from migrate
   folio" teaches the kernel to appropriately handle migration from
   poisoned source folios rather than simply panicing.
 
 - SeongJae Park's series "Docs/damon: minor fixups and improvements"
   does those things.
 
 - In the series "mm/zsmalloc: change back to per-size_class lock"
   Chengming Zhou improves zsmalloc's scalability and memory utilization.
 
 - Vivek Kasireddy's series "mm/gup: Introduce memfd_pin_folios() for
   pinning memfd folios" makes the GUP code use FOLL_PIN rather than bare
   refcount increments.  So these paes can first be moved aside if they
   reside in the movable zone or a CMA block.
 
 - Andrii Nakryiko has added a binary ioctl()-based API to /proc/pid/maps
   for much faster reading of vma information.  The series is "query VMAs
   from /proc/<pid>/maps".
 
 - In the series "mm: introduce per-order mTHP split counters" Lance Yang
   improves the kernel's presentation of developer information related to
   multisize THP splitting.
 
 - Michael Ellerman has developed the series "Reimplement huge pages
   without hugepd on powerpc (8xx, e500, book3s/64)".  This permits
   userspace to use all available huge page sizes.
 
 - In the series "revert unconditional slab and page allocator fault
   injection calls" Vlastimil Babka removes a performance-affecting and not
   very useful feature from slab fault injection.
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Merge tag 'mm-stable-2024-07-21-14-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - In the series "mm: Avoid possible overflows in dirty throttling" Jan
   Kara addresses a couple of issues in the writeback throttling code.
   These fixes are also targetted at -stable kernels.

 - Ryusuke Konishi's series "nilfs2: fix potential issues related to
   reserved inodes" does that. This should actually be in the
   mm-nonmm-stable tree, along with the many other nilfs2 patches. My
   bad.

 - More folio conversions from Kefeng Wang in the series "mm: convert to
   folio_alloc_mpol()"

 - Kemeng Shi has sent some cleanups to the writeback code in the series
   "Add helper functions to remove repeated code and improve readability
   of cgroup writeback"

 - Kairui Song has made the swap code a little smaller and a little
   faster in the series "mm/swap: clean up and optimize swap cache
   index".

 - In the series "mm/memory: cleanly support zeropage in
   vm_insert_page*(), vm_map_pages*() and vmf_insert_mixed()" David
   Hildenbrand has reworked the rather sketchy handling of the use of
   the zeropage in MAP_SHARED mappings. I don't see any runtime effects
   here - more a cleanup/understandability/maintainablity thing.

 - Dev Jain has improved selftests/mm/va_high_addr_switch.c's handling
   of higher addresses, for aarch64. The (poorly named) series is
   "Restructure va_high_addr_switch".

 - The core TLB handling code gets some cleanups and possible slight
   optimizations in Bang Li's series "Add update_mmu_tlb_range() to
   simplify code".

 - Jane Chu has improved the handling of our
   fake-an-unrecoverable-memory-error testing feature MADV_HWPOISON in
   the series "Enhance soft hwpoison handling and injection".

 - Jeff Johnson has sent a billion patches everywhere to add
   MODULE_DESCRIPTION() to everything. Some landed in this pull.

 - In the series "mm: cleanup MIGRATE_SYNC_NO_COPY mode", Kefeng Wang
   has simplified migration's use of hardware-offload memory copying.

 - Yosry Ahmed performs more folio API conversions in his series "mm:
   zswap: trivial folio conversions".

 - In the series "large folios swap-in: handle refault cases first",
   Chuanhua Han inches us forward in the handling of large pages in the
   swap code. This is a cleanup and optimization, working toward the end
   objective of full support of large folio swapin/out.

 - In the series "mm,swap: cleanup VMA based swap readahead window
   calculation", Huang Ying has contributed some cleanups and a possible
   fixlet to his VMA based swap readahead code.

 - In the series "add mTHP support for anonymous shmem" Baolin Wang has
   taught anonymous shmem mappings to use multisize THP. By default this
   is a no-op - users must opt in vis sysfs controls. Dramatic
   improvements in pagefault latency are realized.

 - David Hildenbrand has some cleanups to our remaining use of
   page_mapcount() in the series "fs/proc: move page_mapcount() to
   fs/proc/internal.h".

 - David also has some highmem accounting cleanups in the series
   "mm/highmem: don't track highmem pages manually".

 - Build-time fixes and cleanups from John Hubbard in the series
   "cleanups, fixes, and progress towards avoiding "make headers"".

 - Cleanups and consolidation of the core pagemap handling from Barry
   Song in the series "mm: introduce pmd|pte_needs_soft_dirty_wp helpers
   and utilize them".

 - Lance Yang's series "Reclaim lazyfree THP without splitting" has
   reduced the latency of the reclaim of pmd-mapped THPs under fairly
   common circumstances. A 10x speedup is seen in a microbenchmark.

   It does this by punting to aother CPU but I guess that's a win unless
   all CPUs are pegged.

 - hugetlb_cgroup cleanups from Xiu Jianfeng in the series
   "mm/hugetlb_cgroup: rework on cftypes".

 - Miaohe Lin's series "Some cleanups for memory-failure" does just that
   thing.

 - Someone other than SeongJae has developed a DAMON feature in Honggyu
   Kim's series "DAMON based tiered memory management for CXL memory".
   This adds DAMON features which may be used to help determine the
   efficiency of our placement of CXL/PCIe attached DRAM.

 - DAMON user API centralization and simplificatio work in SeongJae
   Park's series "mm/damon: introduce DAMON parameters online commit
   function".

 - In the series "mm: page_type, zsmalloc and page_mapcount_reset()"
   David Hildenbrand does some maintenance work on zsmalloc - partially
   modernizing its use of pageframe fields.

 - Kefeng Wang provides more folio conversions in the series "mm: remove
   page_maybe_dma_pinned() and page_mkclean()".

 - More cleanup from David Hildenbrand, this time in the series
   "mm/memory_hotplug: use PageOffline() instead of PageReserved() for
   !ZONE_DEVICE". It "enlightens memory hotplug more about PageOffline()
   pages" and permits the removal of some virtio-mem hacks.

 - Barry Song's series "mm: clarify folio_add_new_anon_rmap() and
   __folio_add_anon_rmap()" is a cleanup to the anon folio handling in
   preparation for mTHP (multisize THP) swapin.

 - Kefeng Wang's series "mm: improve clear and copy user folio"
   implements more folio conversions, this time in the area of large
   folio userspace copying.

 - The series "Docs/mm/damon/maintaier-profile: document a mailing tool
   and community meetup series" tells people how to get better involved
   with other DAMON developers. From SeongJae Park.

 - A large series ("kmsan: Enable on s390") from Ilya Leoshkevich does
   that.

 - David Hildenbrand sends along more cleanups, this time against the
   migration code. The series is "mm/migrate: move NUMA hinting fault
   folio isolation + checks under PTL".

 - Jan Kara has found quite a lot of strangenesses and minor errors in
   the readahead code. He addresses this in the series "mm: Fix various
   readahead quirks".

 - SeongJae Park's series "selftests/damon: test DAMOS tried regions and
   {min,max}_nr_regions" adds features and addresses errors in DAMON's
   self testing code.

 - Gavin Shan has found a userspace-triggerable WARN in the pagecache
   code. The series "mm/filemap: Limit page cache size to that supported
   by xarray" addresses this. The series is marked cc:stable.

 - Chengming Zhou's series "mm/ksm: cmp_and_merge_page() optimizations
   and cleanup" cleans up and slightly optimizes KSM.

 - Roman Gushchin has separated the memcg-v1 and memcg-v2 code - lots of
   code motion. The series (which also makes the memcg-v1 code
   Kconfigurable) are "mm: memcg: separate legacy cgroup v1 code and put
   under config option" and "mm: memcg: put cgroup v1-specific memcg
   data under CONFIG_MEMCG_V1"

 - Dan Schatzberg's series "Add swappiness argument to memory.reclaim"
   adds an additional feature to this cgroup-v2 control file.

 - The series "Userspace controls soft-offline pages" from Jiaqi Yan
   permits userspace to stop the kernel's automatic treatment of
   excessive correctable memory errors. In order to permit userspace to
   monitor and handle this situation.

 - Kefeng Wang's series "mm: migrate: support poison recover from
   migrate folio" teaches the kernel to appropriately handle migration
   from poisoned source folios rather than simply panicing.

 - SeongJae Park's series "Docs/damon: minor fixups and improvements"
   does those things.

 - In the series "mm/zsmalloc: change back to per-size_class lock"
   Chengming Zhou improves zsmalloc's scalability and memory
   utilization.

 - Vivek Kasireddy's series "mm/gup: Introduce memfd_pin_folios() for
   pinning memfd folios" makes the GUP code use FOLL_PIN rather than
   bare refcount increments. So these paes can first be moved aside if
   they reside in the movable zone or a CMA block.

 - Andrii Nakryiko has added a binary ioctl()-based API to
   /proc/pid/maps for much faster reading of vma information. The series
   is "query VMAs from /proc/<pid>/maps".

 - In the series "mm: introduce per-order mTHP split counters" Lance
   Yang improves the kernel's presentation of developer information
   related to multisize THP splitting.

 - Michael Ellerman has developed the series "Reimplement huge pages
   without hugepd on powerpc (8xx, e500, book3s/64)". This permits
   userspace to use all available huge page sizes.

 - In the series "revert unconditional slab and page allocator fault
   injection calls" Vlastimil Babka removes a performance-affecting and
   not very useful feature from slab fault injection.

* tag 'mm-stable-2024-07-21-14-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (411 commits)
  mm/mglru: fix ineffective protection calculation
  mm/zswap: fix a white space issue
  mm/hugetlb: fix kernel NULL pointer dereference when migrating hugetlb folio
  mm/hugetlb: fix possible recursive locking detected warning
  mm/gup: clear the LRU flag of a page before adding to LRU batch
  mm/numa_balancing: teach mpol_to_str about the balancing mode
  mm: memcg1: convert charge move flags to unsigned long long
  alloc_tag: fix page_ext_get/page_ext_put sequence during page splitting
  lib: reuse page_ext_data() to obtain codetag_ref
  lib: add missing newline character in the warning message
  mm/mglru: fix overshooting shrinker memory
  mm/mglru: fix div-by-zero in vmpressure_calc_level()
  mm/kmemleak: replace strncpy() with strscpy()
  mm, page_alloc: put should_fail_alloc_page() back behing CONFIG_FAIL_PAGE_ALLOC
  mm, slab: put should_failslab() back behind CONFIG_SHOULD_FAILSLAB
  mm: ignore data-race in __swap_writepage
  hugetlbfs: ensure generic_hugetlb_get_unmapped_area() returns higher address than mmap_min_addr
  mm: shmem: rename mTHP shmem counters
  mm: swap_state: use folio_alloc_mpol() in __read_swap_cache_async()
  mm/migrate: putback split folios when numa hint migration fails
  ...
2024-07-21 17:15:46 -07:00
Linus Torvalds
acc5965b9f Char/Misc and other driver changes for 6.11-rc1
Here is the "big" set of char/misc and other driver subsystem changes
 for 6.11-rc1.  Nothing major in here, just loads of new drivers and
 updates.  Included in here are:
   - IIO api updates and new drivers added
   - wait_interruptable_timeout() api cleanups for some drivers
   - MODULE_DESCRIPTION() additions for loads of drivers
   - parport out-of-bounds fix
   - interconnect driver updates and additions
   - mhi driver updates and additions
   - w1 driver fixes
   - binder speedups and fixes
   - eeprom driver updates
   - coresight driver updates
   - counter driver update
   - new misc driver additions
   - other minor api updates
 
 All of these, EXCEPT for the final Kconfig build fix for 32bit systems,
 have been in linux-next for a while with no reported issues.  The
 Kconfig fixup went in 29 hours ago, so might have missed the latest
 linux-next, but was acked by everyone involved.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc and other driver updates from Greg KH:
 "Here is the "big" set of char/misc and other driver subsystem changes
  for 6.11-rc1. Nothing major in here, just loads of new drivers and
  updates. Included in here are:

   - IIO api updates and new drivers added

   - wait_interruptable_timeout() api cleanups for some drivers

   - MODULE_DESCRIPTION() additions for loads of drivers

   - parport out-of-bounds fix

   - interconnect driver updates and additions

   - mhi driver updates and additions

   - w1 driver fixes

   - binder speedups and fixes

   - eeprom driver updates

   - coresight driver updates

   - counter driver update

   - new misc driver additions

   - other minor api updates

  All of these, EXCEPT for the final Kconfig build fix for 32bit
  systems, have been in linux-next for a while with no reported issues.
  The Kconfig fixup went in 29 hours ago, so might have missed the
  latest linux-next, but was acked by everyone involved"

* tag 'char-misc-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (330 commits)
  misc: Kconfig: exclude mrvl-cn10k-dpi compilation for 32-bit systems
  misc: delete Makefile.rej
  binder: fix hang of unregistered readers
  misc: Kconfig: add a new dependency for MARVELL_CN10K_DPI
  virtio: add missing MODULE_DESCRIPTION() macro
  agp: uninorth: add missing MODULE_DESCRIPTION() macro
  spmi: add missing MODULE_DESCRIPTION() macros
  dev/parport: fix the array out-of-bounds risk
  samples: configfs: add missing MODULE_DESCRIPTION() macro
  misc: mrvl-cn10k-dpi: add Octeon CN10K DPI administrative driver
  misc: keba: Fix missing AUXILIARY_BUS dependency
  slimbus: Fix struct and documentation alignment in stream.c
  MAINTAINERS: CC dri-devel list on Qualcomm FastRPC patches
  misc: fastrpc: use coherent pool for untranslated Compute Banks
  misc: fastrpc: support complete DMA pool access to the DSP
  misc: fastrpc: add missing MODULE_DESCRIPTION() macro
  misc: fastrpc: Add missing dev_err newlines
  misc: fastrpc: Use memdup_user()
  nvmem: core: Implement force_ro sysfs attribute
  nvmem: Use sysfs_emit() for type attribute
  ...
2024-07-19 15:55:08 -07:00
Linus Torvalds
04d17331ca USB/Thunderbolt updates for 6.11-rc1
Here is the big set of USB and Thunderbolt changes for 6.11-rc1.
 Nothing earth-shattering in here, just constant forward progress in
 adding support for new hardware and better debugging functionalities for
 thunderbolt devices and the subsystem.  Included in here are:
   - thunderbolt debugging update and driver additions
   - xhci driver updates
   - typec driver updates
   - kselftest device driver changes (acked by the relevant maintainers,
     depended on other changes in this tree.)
   - cdns3 driver updates
   - gadget driver updates
   - MODULE_DESCRIPTION() additions
   - dwc3 driver updates and fixes
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 -----BEGIN PGP SIGNATURE-----
 
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Merge tag 'usb-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt changes for 6.11-rc1.

  Nothing earth-shattering in here, just constant forward progress in
  adding support for new hardware and better debugging functionalities
  for thunderbolt devices and the subsystem. Included in here are:

   - thunderbolt debugging update and driver additions

   - xhci driver updates

   - typec driver updates

   - kselftest device driver changes (acked by the relevant maintainers,
     depended on other changes in this tree.)

   - cdns3 driver updates

   - gadget driver updates

   - MODULE_DESCRIPTION() additions

   - dwc3 driver updates and fixes

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (112 commits)
  kselftest: devices: Add test to detect device error logs
  kselftest: Move ksft helper module to common directory
  kselftest: devices: Move discoverable devices test to subdirectory
  usb: gadget: f_uac2: fix non-newline-terminated function name
  USB: uas: Implement the new shutdown callback
  USB: core: add 'shutdown' callback to usb_driver
  usb: typec: Drop explicit initialization of struct i2c_device_id::driver_data to 0
  usb: dwc3: enable CCI support for AMD-xilinx DWC3 controller
  usb: dwc2: add support for other Lantiq SoCs
  usb: gadget: Use u16 types for 16-bit fields
  usb: gadget: midi2: Fix incorrect default MIDI2 protocol setup
  usb: dwc3: core: Check all ports when set phy suspend
  usb: typec: tcpci: add support to set connector orientation
  dt-bindings: usb: Convert fsl-usb to yaml
  usb: typec: ucsi: reorder operations in ucsi_run_command()
  usb: typec: ucsi: extract common code for command handling
  usb: typec: ucsi: inline ucsi_read_message_in
  usb: typec: ucsi: rework command execution functions
  usb: typec: ucsi: split read operation
  usb: typec: ucsi: simplify command sending API
  ...
2024-07-19 15:37:48 -07:00
Linus Torvalds
4305ca0087 SCSI misc on 20240718
Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr) plus some
 misc small fixes. The only core changes are to both bsg and scsi to
 pass in the device instead of setting it afterwards as q->queuedata,
 so no functional change.
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr) plus some
  misc small fixes.

  The only core changes are to both bsg and scsi to pass in the device
  instead of setting it afterwards as q->queuedata, so no functional
  change"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (69 commits)
  scsi: aha152x: Use DECLARE_COMPLETION_ONSTACK for non-constant completion
  scsi: qla2xxx: Convert comma to semicolon
  scsi: qla2xxx: Update version to 10.02.09.300-k
  scsi: qla2xxx: Use QP lock to search for bsg
  scsi: qla2xxx: Reduce fabric scan duplicate code
  scsi: qla2xxx: Fix optrom version displayed in FDMI
  scsi: qla2xxx: During vport delete send async logout explicitly
  scsi: qla2xxx: Complete command early within lock
  scsi: qla2xxx: Fix flash read failure
  scsi: qla2xxx: Return ENOBUFS if sg_cnt is more than one for ELS cmds
  scsi: qla2xxx: Fix for possible memory corruption
  scsi: qla2xxx: validate nvme_local_port correctly
  scsi: qla2xxx: Unable to act on RSCN for port online
  scsi: ufs: exynos: Add support for Flash Memory Protector (FMP)
  scsi: ufs: core: Add UFSHCD_QUIRK_KEYS_IN_PRDT
  scsi: ufs: core: Add fill_crypto_prdt variant op
  scsi: ufs: core: Add UFSHCD_QUIRK_BROKEN_CRYPTO_ENABLE
  scsi: ufs: core: fold ufshcd_clear_keyslot() into its caller
  scsi: ufs: core: Add UFSHCD_QUIRK_CUSTOM_CRYPTO_PROFILE
  scsi: ufs: mcq: Make .get_hba_mac() optional
  ...
2024-07-19 10:56:58 -07:00
Linus Torvalds
c434e25b62 This update includes the following changes:
API:
 
 - Test setkey in no-SIMD context.
 - Add skcipher speed test for user-specified algorithm.
 
 Algorithms:
 
 - Add x25519 support on ppc64le.
 - Add VAES and AVX512 / AVX10 optimized AES-GCM on x86.
 - Remove sm2 algorithm.
 
 Drivers:
 
 - Add Allwinner H616 support to sun8i-ce.
 - Use DMA in stm32.
 - Add Exynos850 hwrng support to exynos.
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Merge tag 'v6.11-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto update from Herbert Xu:
 "API:
   - Test setkey in no-SIMD context
   - Add skcipher speed test for user-specified algorithm

  Algorithms:
   - Add x25519 support on ppc64le
   - Add VAES and AVX512 / AVX10 optimized AES-GCM on x86
   - Remove sm2 algorithm

  Drivers:
   - Add Allwinner H616 support to sun8i-ce
   - Use DMA in stm32
   - Add Exynos850 hwrng support to exynos"

* tag 'v6.11-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (81 commits)
  hwrng: core - remove (un)register_miscdev()
  crypto: lib/mpi - delete unnecessary condition
  crypto: testmgr - generate power-of-2 lengths more often
  crypto: mxs-dcp - Ensure payload is zero when using key slot
  hwrng: Kconfig - Do not enable by default CN10K driver
  crypto: starfive - Fix nent assignment in rsa dec
  crypto: starfive - Align rsa input data to 32-bit
  crypto: qat - fix unintentional re-enabling of error interrupts
  crypto: qat - extend scope of lock in adf_cfg_add_key_value_param()
  Documentation: qat: fix auto_reset attribute details
  crypto: sun8i-ce - add Allwinner H616 support
  crypto: sun8i-ce - wrap accesses to descriptor address fields
  dt-bindings: crypto: sun8i-ce: Add compatible for H616
  hwrng: core - Fix wrong quality calculation at hw rng registration
  hwrng: exynos - Enable Exynos850 support
  hwrng: exynos - Add SMC based TRNG operation
  hwrng: exynos - Implement bus clock control
  hwrng: exynos - Use devm_clk_get_enabled() to get the clock
  hwrng: exynos - Improve coding style
  dt-bindings: rng: Add Exynos850 support to exynos-trng
  ...
2024-07-19 08:52:58 -07:00
Linus Torvalds
b3ce7a3084 drm next for 6.11-rc1:
core:
 - deprecate DRM data and return 0 date
 - connector: Create a set of helpers to help with HDMI support
 - Remove driver owner assignments
 - Allow more drivers to compile with COMPILE_TEST
 - Conversions to drm_edid
 - Sprinkle MODULE_DESCRIPTIONS everywhere they are missing
 - Remove drm_mm_replace_node
 - print: Add a drm prefix to warn level messages too, remove
          ___drm_dbg, consolidate prefix handling
 - New monochrome TV mode variant
 
 ttm:
 - improve number of page faults on some platforms
 - fix test builds under PREEMPT_RT
 - more test coverage
 
 ci:
 - Require a more recent version of mesa,
 - improve farm setup and test generation
 
 dma-buf:
 - warn if reserving 0 fence slots
 - internal API heap enhancements
 
 fbdev:
 - Create memory manager optimized fbdev emulation
 
 panic:
 - Allow to select fonts,
 - improve drm_fb_dma_get_scanout_buffer
 - Allow to dump kmsg to the screen
 
 bridge:
 - Remove redundant checks on bridge->encoder
 - Remove drm_bridge_chain_mode_fixup
 - bridge-connector: Plumb in the new HDMI helper
 - analogix_dp: Various improvements, handle AUX transfers timeout
 - samsung-dsim: Fix timings calculation
 - tc358767: Plenty of small fixes, fix no connector attach, fix clocks
 - sii902x: state validation improvements
 
 panels:
 - Switch panels from register table initialization to proper code
 - Now that the panel code tracks the panel state, remove every
   ad-hoc implementation in the panel drivers
 - More cleanup of prepare / enable state tracking in drivers
 - edp: Drop legacy panel compatibles
 - simple-bridge: Switch to devm_drm_bridge_add
 - New panels: Lincoln Tech Sol LCD185-101CT, Microtips Technology
   13-101HIEBCAF0-C, Microtips Technology MF-103HIEB0GA0, BOE
   nv110wum-l60, IVO t109nw41, WL-355608-A8, PrimeView PM070WL4,
   Lincoln Technologies LCD197, Ortustech COM35H3P70ULC,
   AUO G104STN01, K&d kd101ne3-40ti
 
 amdgpu:
 - DCN 4.0.x support
 - GC 12.0 support
 - GMC 12.0 support
 - SDMA 7.0 support
 - MES12 support
 - MMHUB 4.1 support
 - GFX12 modifier and DCC support
 - lots of IP fixes/updates
 
 amdkfd:
 - Contiguous VRAM allocations
 - GC 12.0 support
 - SDMA 7.0 support
 - SR-IOV fixes
 - KFD GFX ALU exceptions
 
 i915:
 - Battlemage Xe2 HPD display enablement
 - Panel Replay enabling
 - DP AUX-less ALPM/LOBF
 - Enable link training failure fallback for DP MST links
 - CMRR (Content Match Refresh Rate) enabling
 - Increase ADL-S/ADL-P/DG2+ max TMDS bitrate to 6 Gbps
 - Enable eDP AUX based HDR backlight
 - Support replaying GPU hangs with captured context image
 - Automate CCS Mode setting during engine resets
 - lots of refactoring
 - Support replaying GPU hangs with captured context image
 - Increase FLR timeout from 3s to 9s
 - Enable w/a 16021333562 for DG2, MTL and ARL [guc]
 
 xe:
 - update MAINATINERS
 - New uapi adding OA functionality to Xe
 - expose l3 bank mask
 - fix display detect on ADL-N
 - runtime PM Fixes
 - Fix silent backmerge issues
 - More prep for SR-IOV
 - HWmon additions
 - per client usage info
 - Rework GPU page fault handling
 - Drop EXEC_QUEUE_FLAG_BANNED
 - Add BMG PCI IDs
 - Scheduler fixes and improvements
 - Rename xe_exec_queue::compute to xe_exec_queue::lr
 - Use ttm_uncached for BO with NEEDS_UC flag
 - Rename xe perf layer as xe observation layer
 - lots of refactoring
 
 radeon:
 - Backlight workaround for iMac
 - Silence UBSAN flex array warnings
 
 msm:
 - Validate registers XML description against schema in CI
 - core/dpu: SM7150 support
 - mdp5: Add support for MSM8937
 - gpu: Add param for userspace to know if raytracing is supported
 - gpu: X185 support (aka gpu in X1 laptop chips)
 - gpu: a505 support
 
 ivpu:
 - hardware scheduler support
 - profiling support
 - improvements to the platform support layer
 - firmware handling improvements
 - clocks/power mgmt improvements
 - scheduler/logging improvements
 
 habanalabs:
 - Gradual sleep in polling memory macro.
 - Reduce Gaudi2 MSI-X interrupt count to 128.
 - Add Gaudi2-D revision support.
 - Add timestamp to CPLD info.
 - Gaudi2: Assume hard-reset by firmware upon MC SEI severe error.
 - Align Gaudi2 interrupt names.
 - Check for errors after preboot is ready.
 - Change habanalabs maintainer and git repo path.
 
 mgag200:
 - refactoring and improvements
 - Add BMC output
 - enable polling
 
 nouveau:
 - add registry command line
 
 v3d:
 - perf counters improvements
 
 zynqmp:
 - irq and debugfs improvements
 
 atmel-hlcdc:
 - Support XLCDC in sam9x7
 
 mipi-dbi:
 - Remove mipi_dbi_machine_little_endian
 - make SPI bits per word configurable
 - support RGB888
 - allow pixel formats to be specified in the DT
 
 sun4i:
 - Rework the blender setup for DE2
 
 panfrost:
 - Enable MT8188 support
 
 vc4:
 - Monochrome TV support
 
 exynos:
 - fix fallback mode regression
 - fix memory leak
 - Use drm_edid_duplicate() instead of kmemdup()
 
 etnaviv:
 - fix i.MX8MP NPU clock gating
 - workaround FE register cdc issues on some cores
 - fix DMA sync handling for cached buffers
 - fix job timeout handling
 - keep TS enabled on MMUv2 cores for improved performance
 
 mediatek:
 - Convert to platform remove callback returning void-
 - Drop chain_mode_fixup call in mode_valid()
 - Fixes the errors of MediaTek display driver found by IGT.
 - Add display support for the MT8365-EVK board
 - Fix bit depth overwritten for mtk_ovl_set bit_depth()
 - Fix possible_crtcs calculation
 - Fix spurious kfree()
 
 ast:
 - refactor mode setting code
 
 stm:
 - Add LVDS support
 - DSI PHY updates
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Merge tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "There's a lot of stuff in here, amd, i915 and xe have new platform
  work, lots of core rework around EDID handling, some new COMPILE_TEST
  options, maintainer changes and a lots of other stuff. Summary:

  core:
   - deprecate DRM data and return 0 date
   - connector: Create a set of helpers to help with HDMI support
   - Remove driver owner assignments
   - Allow more drivers to compile with COMPILE_TEST
   - Conversions to drm_edid
   - Sprinkle MODULE_DESCRIPTIONS everywhere they are missing
   - Remove drm_mm_replace_node
   - print: Add a drm prefix to warn level messages too, remove
            ___drm_dbg, consolidate prefix handling
   - New monochrome TV mode variant

  ttm:
   - improve number of page faults on some platforms
   - fix test builds under PREEMPT_RT
   - more test coverage

  ci:
   - Require a more recent version of mesa
   - improve farm setup and test generation

  dma-buf:
   - warn if reserving 0 fence slots
   - internal API heap enhancements

  fbdev:
   - Create memory manager optimized fbdev emulation

  panic:
   - Allow to select fonts
   - improve drm_fb_dma_get_scanout_buffer
   - Allow to dump kmsg to the screen

  bridge:
   - Remove redundant checks on bridge->encoder
   - Remove drm_bridge_chain_mode_fixup
   - bridge-connector: Plumb in the new HDMI helper
   - analogix_dp: Various improvements, handle AUX transfers timeout
   - samsung-dsim: Fix timings calculation
   - tc358767: Plenty of small fixes, fix no connector attach, fix
               clocks
   - sii902x: state validation improvements

  panels:
   - Switch panels from register table initialization to proper code
   - Now that the panel code tracks the panel state, remove every ad-hoc
     implementation in the panel drivers
   - More cleanup of prepare / enable state tracking in drivers
   - edp: Drop legacy panel compatibles
   - simple-bridge: Switch to devm_drm_bridge_add
   - New panels: Lincoln Tech Sol LCD185-101CT, Microtips Technology
                 13-101HIEBCAF0-C, Microtips Technology MF-103HIEB0GA0,
                 BOE nv110wum-l60, IVO t109nw41, WL-355608-A8, PrimeView
                 PM070WL4, Lincoln Technologies LCD197, Ortustech
                 COM35H3P70ULC, AUO G104STN01, K&d kd101ne3-40ti

  amdgpu:
   - DCN 4.0.x support
   - GC 12.0 support
   - GMC 12.0 support
   - SDMA 7.0 support
   - MES12 support
   - MMHUB 4.1 support
   - GFX12 modifier and DCC support
   - lots of IP fixes/updates

  amdkfd:
   - Contiguous VRAM allocations
   - GC 12.0 support
   - SDMA 7.0 support
   - SR-IOV fixes
   - KFD GFX ALU exceptions

  i915:
   - Battlemage Xe2 HPD display enablement
   - Panel Replay enabling
   - DP AUX-less ALPM/LOBF
   - Enable link training failure fallback for DP MST links
   - CMRR (Content Match Refresh Rate) enabling
   - Increase ADL-S/ADL-P/DG2+ max TMDS bitrate to 6 Gbps
   - Enable eDP AUX based HDR backlight
   - Support replaying GPU hangs with captured context image
   - Automate CCS Mode setting during engine resets
   - lots of refactoring
   - Support replaying GPU hangs with captured context image
   - Increase FLR timeout from 3s to 9s
   - Enable w/a 16021333562 for DG2, MTL and ARL [guc]

  xe:
   - update MAINATINERS
   - New uapi adding OA functionality to Xe
   - expose l3 bank mask
   - fix display detect on ADL-N
   - runtime PM Fixes
   - Fix silent backmerge issues
   - More prep for SR-IOV
   - HWmon additions
   - per client usage info
   - Rework GPU page fault handling
   - Drop EXEC_QUEUE_FLAG_BANNED
   - Add BMG PCI IDs
   - Scheduler fixes and improvements
   - Rename xe_exec_queue::compute to xe_exec_queue::lr
   - Use ttm_uncached for BO with NEEDS_UC flag
   - Rename xe perf layer as xe observation layer
   - lots of refactoring

  radeon:
   - Backlight workaround for iMac
   - Silence UBSAN flex array warnings

  msm:
   - Validate registers XML description against schema in CI
   - core/dpu: SM7150 support
   - mdp5: Add support for MSM8937
   - gpu: Add param for userspace to know if raytracing is supported
   - gpu: X185 support (aka gpu in X1 laptop chips)
   - gpu: a505 support

  ivpu:
   - hardware scheduler support
   - profiling support
   - improvements to the platform support layer
   - firmware handling improvements
   - clocks/power mgmt improvements
   - scheduler/logging improvements

  habanalabs:
   - Gradual sleep in polling memory macro
   - Reduce Gaudi2 MSI-X interrupt count to 128
   - Add Gaudi2-D revision support
   - Add timestamp to CPLD info
   - Gaudi2: Assume hard-reset by firmware upon MC SEI severe error
   - Align Gaudi2 interrupt names
   - Check for errors after preboot is ready
   - Change habanalabs maintainer and git repo path

  mgag200:
   - refactoring and improvements
   - Add BMC output
   - enable polling

  nouveau:
   - add registry command line

  v3d:
   - perf counters improvements

  zynqmp:
   - irq and debugfs improvements

  atmel-hlcdc:
   - Support XLCDC in sam9x7

  mipi-dbi:
   - Remove mipi_dbi_machine_little_endian
   - make SPI bits per word configurable
   - support RGB888
   - allow pixel formats to be specified in the DT

  sun4i:
   - Rework the blender setup for DE2

  panfrost:
   - Enable MT8188 support

  vc4:
   - Monochrome TV support

  exynos:
   - fix fallback mode regression
   - fix memory leak
   - Use drm_edid_duplicate() instead of kmemdup()

  etnaviv:
   - fix i.MX8MP NPU clock gating
   - workaround FE register cdc issues on some cores
   - fix DMA sync handling for cached buffers
   - fix job timeout handling
   - keep TS enabled on MMUv2 cores for improved performance

  mediatek:
   - Convert to platform remove callback returning void-
   - Drop chain_mode_fixup call in mode_valid()
   - Fixes the errors of MediaTek display driver found by IGT
   - Add display support for the MT8365-EVK board
   - Fix bit depth overwritten for mtk_ovl_set bit_depth()
   - Fix possible_crtcs calculation
   - Fix spurious kfree()

  ast:
   - refactor mode setting code

  stm:
   - Add LVDS support
   - DSI PHY updates"

* tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel: (2501 commits)
  drm/amdgpu/mes12: add missing opcode string
  drm/amdgpu/mes11: update opcode strings
  Revert "drm/amd/display: Reset freesync config before update new state"
  drm/omap: Restrict compile testing to PAGE_SIZE less than 64KB
  drm/xe: Drop trace_xe_hw_fence_free
  drm/xe/uapi: Rename xe perf layer as xe observation layer
  drm/amdgpu: remove exp hw support check for gfx12
  drm/amdgpu: timely save bad pages to eeprom after gpu ras reset is completed
  drm/amdgpu: flush all cached ras bad pages to eeprom
  drm/amdgpu: select compute ME engines dynamically
  drm/amd/display: Allow display DCC for DCN401
  drm/amdgpu: select compute ME engines dynamically
  drm/amdgpu/job: Replace DRM_INFO/ERROR logging
  drm/amdgpu: select compute ME engines dynamically
  drm/amd/pm: Ignore initial value in smu response register
  drm/amdgpu: Initialize VF partition mode
  drm/amd/amdgpu: fix SDMA IRQ client ID <-> req mapping
  MAINTAINERS: fix Xinhui's name
  MAINTAINERS: update powerplay and swsmu
  drm/qxl: Pin buffer objects for internal mappings
  ...
2024-07-18 09:34:02 -07:00
Linus Torvalds
e0d97b04ec - New Drivers
- Add support for Texas Instruments LM3509 Backlight Driver
 
  - Fix-ups
    - Device Tree binding adaptions/conversions/creation
    - Drop i2c_device_id::driver_data where the value is unused
    - Make use of the new *_scoped() guard APIs
    - Decouple from fbdev by providing Backlight with its own BACKLIGHT_POWER_* constrains
 
  - Bug Fixes
    - Correctly assess return values (NULL vs IS_ERR())
    - Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
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Merge tag 'backlight-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "New Drivers:
   - Texas Instruments LM3509 Backlight Driver

  Fix-ups:
   - Device Tree binding adaptions/conversions/creation
   - Drop i2c_device_id::driver_data where the value is unused
   - Make use of the new *_scoped() guard APIs
   - Decouple from fbdev by providing Backlight with its own
     BACKLIGHT_POWER_* constrains

  Bug Fixes:
   - Correctly assess return values (NULL vs IS_ERR())
   - Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings"

* tag 'backlight-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (23 commits)
  backlight: sky81452-backlight: Use backlight power constants
  backlight: rave-sp-backlight: Use backlight power constants
  backlight: pwm-backlight: Use backlight power constants
  backlight: pcf50633-backlight: Use backlight power constants
  backlight: pandora-backlight: Use backlight power constants
  backlight: mp3309c: Use backlight power constants
  backlight: lm3533-backlight: Use backlight power constants
  backlight: led-backlight: Use backlight power constants
  backlight: ktd253-backlight: Use backlight power constants
  backlight: kb3886-bl: Use backlight power constants
  backlight: journada_bl: Use backlight power constants
  backlight: ipaq-micro-backlight: Use backlight power constants
  backlight: gpio-backlight: Use backlight power constants
  backlight: corgi-lcd: Use backlight power constants
  backlight: ams369fb06: Use backlight power constants
  backlight: aat2870-backlight: Use blacklight power constants
  backlight: Add BACKLIGHT_POWER_ constants for power states
  backlight: lm3509_bl: Fix early returns in for_each_child_of_node()
  backlight: Drop explicit initialization of struct i2c_device_id::driver_data to 0
  backlight: Add missing MODULE_DESCRIPTION() macros
  ...
2024-07-17 17:48:40 -07:00
Linus Torvalds
a5cb6b2bbf platform-drivers-x86 for v6.11-1
Highlights:
  - amd/pmf:		Report system state changes using existing input
 			events
  - asus-wmi:		Zenbook 2023 camera LED disable support and fix
 			TUF laptop keyboard RGB LED sysfs interface
  - dell-pc:		Fan modes / platform profile support
  - hp-wmi:		Fix platform profile switching on Omen/Victus
 			laptops
  - intel/ISST:		Use only TPMI interface when TPMI and legacy
 			interfaces are available
  - intel/pmc:		LTR restore support to pair with LTR ignore
  - intel/tpmi:		Performance Limit Reasons (PLR) and APIC <-> Punit
 			CPU numbering mapping support
  - WMI:			driver override support and docs improvements
  - lenovo-yoga-c630:	Support for EC (platform/arm64)
  - platform/arm64:	Fix build with COMPILE_TEST (broke after addition
 			of C630)
  - tools:		Intel Speed Select Turbo Ratio Limit fix
  - Miscellaneous cleanups / refactoring / improvements
 
 The following is an automated shortlog grouped by driver:
 
 amd/pmf:
  -  Remove update system state document
  -  Use existing input event codes to update system states
  -  Use memdup_user()
 
 arm64:
  -  add Lenovo Yoga C630 WOS EC driver
  -  build drivers even on non-ARM64 platforms
  -  EC_ACER_ASPIRE1 should depend on ARCH_QCOM
  -  EC_LENOVO_YOGA_C630 should depend on ARCH_QCOM
 
 arm64: lenovo-yoga-c630:
  -  select AUXILIARY_BUS
 
 asus-tf103c-dock:
  -  Use 2-argument strscpy()
 
 asus-wmi:
  -  fix TUF laptop RGB variant
  -  support the disable camera LED on F10 of Zenbook 2023
 
 dell-pc:
  -  avoid double free and invalid unregistration
  -  Implement platform_profile
 
 dell-smbios:
  -  Add helper for checking supported class
  -  Move request functions for reuse
 
 Docs/admin-guide:
  -  Remove pmf leftover reference from the index
 
 doc: TPMI:
  -  Add entry for Performance Limit Reasons
 
 dt-bindings: platform:
  -  Add Lenovo Yoga C630 EC
 
 hp: hp-bioscfg:
  -  Use 2-argument strscpy()
 
 hp-wmi:
  -  Fix implementation of the platform_profile_omen_get function
  -  Fix platform profile option switch bug on Omen and Victus laptops
 
 ideapad-laptop:
  -  use cleanup.h
 
 intel: chtwc_int33fe:
  -  Use 2-argument strscpy()
 
 intel/ifs:
  -  Switch to new Intel CPU model defines
 
 intel_ips:
  -  Switch to new Intel CPU model defines
 
 intel/pmc:
  -  Add support to show ltr_ignore value
  -  Add support to undo ltr_ignore
  -  Convert index variables to be unsigned
  -  Move pmc assignment closer to first usage
  -  Remove unneeded min_t check
  -  Simplify mutex usage with cleanup helpers
  -  Switch to new Intel CPU model defines
  -  Use DEFINE_SHOW_STORE_ATTRIBUTE macro
  -  Use the Elvis operator
  -  Use the return value of pmc_core_send_msg
 
 intel_scu_wdt:
  -  Switch to new Intel CPU model defines
 
 intel_speed_select_if:
  -  Switch to new Intel CPU model defines
 
 intel_telemetry:
  -  Switch to new Intel CPU model defines
 
 intel/tpmi:
  -  Add API to get debugfs root
  -  Add new auxiliary driver for performance limits
  -  Add support for performance limit reasons
 
 intel:
  -  TPMI domain id and CPU mapping
 
 intel/tpmi/plr:
  -  Add support for the plr mailbox
  -  Fix output in plr_print_bits()
 
 intel_turbo_max_3:
  -  Switch to new Intel CPU model defines
 
 intel-uncore-freq:
  -  Get rid of magic min_max argument
  -  Get rid of magic values
  -  Get rid of uncore_read_freq driver API
  -  Re-arrange bit masks
  -  Rename the sysfs helper macro names
  -  Switch to new Intel CPU model defines
  -  Use generic helpers for current frequency
  -  Use uncore_index with read_control_freq
 
 ISST:
  -  Add model specific loading for common module
  -  Avoid some SkyLake server models
  -  Use only TPMI interface when present
 
 p2sb:
  -  Switch to new Intel CPU model defines
 
 serial-multi-instantiate:
  -  Use 2-argument strscpy()
 
 think-lmi:
  -  Use 2-argument strscpy()
 
 thinkpad_acpi:
  -  Use 2-argument strscpy()
 
 tools/power/x86/intel-speed-select:
  -  Set TRL MSR in 100 MHz units
  -  v1.20 release
 
 wmi:
  -  Add bus ABI documentation
  -  Add driver_override support
 
 x86/platform/atom:
  -  Switch to new Intel CPU model defines
 
 Merges:
  -  Merge branch 'pdx86/platform-drivers-x86-lenovo-c630' into review-ilpo
  -  Merge branch 'pdx86/platform-drivers-x86-lenovo-c630' into review-ilpo
  -  Merge branch 'pdx86/platform-drivers-x86-lenovo-c630' into review-ilpo
  -  Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-ilpo
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Merge tag 'platform-drivers-x86-v6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Ilpo Järvinen:

 - amd/pmf: Report system state changes using existing input events

 - asus-wmi: Zenbook 2023 camera LED disable support and fix TUF laptop
   keyboard RGB LED sysfs interface

 - dell-pc: Fan modes / platform profile support

 - hp-wmi: Fix platform profile switching on Omen/Victus laptops

 - intel/ISST: Use only TPMI interface when TPMI and legacy interfaces
   are available

 - intel/pmc: LTR restore support to pair with LTR ignore

 - intel/tpmi: Performance Limit Reasons (PLR) and APIC <-> Punit CPU
   numbering mapping support

 - WMI: driver override support and docs improvements

 - lenovo-yoga-c630: Support for EC (platform/arm64)

 - platform/arm64: Fix build with COMPILE_TEST (broke after addition of
   C630)

 - tools: Intel Speed Select Turbo Ratio Limit fix

 - Miscellaneous cleanups / refactoring / improvements

* tag 'platform-drivers-x86-v6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (65 commits)
  platform/x86: asus-wmi: fix TUF laptop RGB variant
  platform/x86/intel/tpmi/plr: Fix output in plr_print_bits()
  Docs/admin-guide: Remove pmf leftover reference from the index
  platform/x86: ideapad-laptop: use cleanup.h
  platform/x86: hp-wmi: Fix implementation of the platform_profile_omen_get function
  platform: arm64: EC_LENOVO_YOGA_C630 should depend on ARCH_QCOM
  platform: arm64: EC_ACER_ASPIRE1 should depend on ARCH_QCOM
  platform/x86/amd/pmf: Remove update system state document
  platform/x86/amd/pmf: Use existing input event codes to update system states
  platform/x86: hp-wmi: Fix platform profile option switch bug on Omen and Victus laptops
  platform/x86:intel/pmc: Add support to undo ltr_ignore
  platform/x86:intel/pmc: Use the Elvis operator
  platform/x86:intel/pmc: Use DEFINE_SHOW_STORE_ATTRIBUTE macro
  platform/x86:intel/pmc: Remove unneeded min_t check
  platform/x86:intel/pmc: Add support to show ltr_ignore value
  platform/x86:intel/pmc: Move pmc assignment closer to first usage
  platform/x86:intel/pmc: Convert index variables to be unsigned
  platform/x86:intel/pmc: Simplify mutex usage with cleanup helpers
  platform/x86:intel/pmc: Use the return value of pmc_core_send_msg
  tools/power/x86/intel-speed-select: v1.20 release
  ...
2024-07-17 17:05:21 -07:00
Linus Torvalds
bf3aa9de7b New code for 6.11:
* Enable FITRIM on the realtime device.
   * Introduce byte-based grant head log reservation tracking instead of
     physical log location tracking.
     This allows grant head to track a full 64 bit bytes space and hence
     overcome the limit of 4GB indexing that has been present until now.
   * Fixes
     - xfs_flush_unmap_range() and xfs_prepare_shift() should consider RT extents
       in the flush unmap range.
     - Implement bounds check when traversing log operations during log replay.
     - Prevent out of bounds access when traversing a directory data block.
     - Prevent incorrect ENOSPC when concurrently performing file creation and
       file writes.
     - Fix rtalloc rotoring when delalloc is in use
   * Cleanups
     - Clean up I/O path inode locking helpers and the page fault handler.
     - xfs: hoist inode operations to libxfs in anticipation of the metadata
       inode directory feature, which maintains a directory tree of metadata
       inodes. This will be necessary for further enhancements to the realtime
       feature, subvolume support.
     - Clean up some warts in the extent freeing log intent code.
     - Clean up the refcount and rmap intent code before adding support for
       realtime devices.
     - Provide the correct email address for sysfs ABI documentation.
 
 Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.11-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs updates from Chandan Babu:
 "Major changes in this release are limited to enabling FITRIM on
  realtime devices and Byte-based grant head log reservation tracking.

  The remaining changes are limited to fixes and cleanups included in
  this pull request.

  Core:

   - Enable FITRIM on the realtime device

   - Introduce byte-based grant head log reservation tracking instead of
     physical log location tracking.

     This allows grant head to track a full 64 bit bytes space and hence
     overcome the limit of 4GB indexing that has been present until now

  Fixes:

   - xfs_flush_unmap_range() and xfs_prepare_shift() should consider RT
     extents in the flush unmap range

   - Implement bounds check when traversing log operations during log
     replay

   - Prevent out of bounds access when traversing a directory data block

   - Prevent incorrect ENOSPC when concurrently performing file creation
     and file writes

   - Fix rtalloc rotoring when delalloc is in use

  Cleanups:

   - Clean up I/O path inode locking helpers and the page fault handler

   - xfs: hoist inode operations to libxfs in anticipation of the
     metadata inode directory feature, which maintains a directory tree
     of metadata inodes. This will be necessary for further enhancements
     to the realtime feature, subvolume support

   - Clean up some warts in the extent freeing log intent code

   - Clean up the refcount and rmap intent code before adding support
     for realtime devices

   - Provide the correct email address for sysfs ABI documentation"

* tag 'xfs-6.11-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (80 commits)
  xfs: fix rtalloc rotoring when delalloc is in use
  xfs: get rid of xfs_ag_resv_rmapbt_alloc
  xfs: skip flushing log items during push
  xfs: grant heads track byte counts, not LSNs
  xfs: pass the full grant head to accounting functions
  xfs: track log space pinned by the AIL
  xfs: collapse xlog_state_set_callback in caller
  xfs: l_last_sync_lsn is really AIL state
  xfs: ensure log tail is always up to date
  xfs: background AIL push should target physical space
  xfs: AIL doesn't need manual pushing
  xfs: move and rename xfs_trans_committed_bulk
  xfs: fix the contact address for the sysfs ABI documentation
  xfs: Avoid races with cnt_btree lastrec updates
  xfs: move xfs_refcount_update_defer_add to xfs_refcount_item.c
  xfs: simplify usage of the rcur local variable in xfs_refcount_finish_one
  xfs: don't bother calling xfs_refcount_finish_one_cleanup in xfs_refcount_finish_one
  xfs: reuse xfs_refcount_update_cancel_item
  xfs: add a ci_entry helper
  xfs: remove xfs_trans_set_refcount_flags
  ...
2024-07-17 12:57:48 -07:00
Linus Torvalds
51835949dd Networking changes for 6.11. Not much excitement - a handful of large
patchsets (devmem among them) did not make it in time.
 
 Core & protocols
 ----------------
 
  - Use local_lock in addition to local_bh_disable() to protect per-CPU
    resources in networking, a step closer for local_bh_disable() not
    to act as a big lock on PREEMPT_RT.
 
  - Use flex array for netdevice priv area, ensure its cache alignment.
 
  - Add a sysctl knob to allow user to specify a default rto_min at socket
    init time. Bit of a big hammer but multiple companies were
    independently carrying such patch downstream so clearly it's useful.
 
  - Support scheduling transmission of packets based on CLOCK_TAI.
 
  - Un-pin TCP TIMEWAIT timer to avoid it firing on CPUs later cordoned off
    using cpusets.
 
  - Support multiple L2TPv3 UDP tunnels using the same 5-tuple address.
 
  - Allow configuration of multipath hash seed, to both allow synchronizing
    hashing of two routers, and preventing partial accidental sync.
 
  - Improve TCP compliance with RFC 9293 for simultaneous connect().
 
  - Support sending NAT keepalives in IPsec ESP in UDP states. Userspace
    IKE daemon had to do this before, but the kernel can better keep
    track of it.
 
  - Support sending supervision HSR frames with MAC addresses stored in
    ProxyNodeTable when RedBox (i.e. HSR-SAN) is enabled.
 
  - Introduce IPPROTO_SMC for selecting SMC when socket is created.
 
  - Allow UDP GSO transmit from devices with no checksum offload.
 
  - openvswitch: add packet sampling via psample, separating the sampled
    traffic from "upcall" packets sent to user space for forwarding.
 
  - nf_tables: shrink memory consumption for transaction objects.
 
 Things we sprinkled into general kernel code
 --------------------------------------------
 
  - Power Sequencing subsystem (used by Qualcomm Bluetooth driver
    for QCA6390).
 
  - Add IRQ information in sysfs for auxiliary bus.
 
  - Introduce guard definition for local_lock.
 
  - Add aligned flavor of __cacheline_group_{begin, end}() markings for
    grouping fields in structures.
 
 BPF
 ---
 
  - Notify user space (via epoll) when a struct_ops object is getting
    detached/unregistered.
 
  - Add new kfuncs for a generic, open-coded bits iterator.
 
  - Enable BPF programs to declare arrays of kptr, bpf_rb_root, and
    bpf_list_head.
 
  - Support resilient split BTF which cuts down on duplication and makes
    BTF as compact as possible WRT BTF from modules.
 
  - Add support for dumping kfunc prototypes from BTF which enables both
    detecting as well as dumping compilable prototypes for kfuncs.
 
  - riscv64 BPF JIT improvements in particular to add 12-argument support
    for BPF trampolines and to utilize bpf_prog_pack for the latter.
 
  - Add the capability to offload the netfilter flowtable in XDP layer
    through kfuncs.
 
 Driver API
 ----------
 
  - Allow users to configure IRQ tresholds between which automatic IRQ
    moderation can choose.
 
  - Expand Power Sourcing (PoE) status with power, class and failure
    reason. Support setting power limits.
 
  - Track additional RSS contexts in the core, make sure configuration
    changes don't break them.
 
  - Support IPsec crypto offload for IPv6 ESP and IPv4 UDP-encapsulated ESP
    data paths.
 
  - Support updating firmware on SFP modules.
 
 Tests and tooling
 -----------------
 
  - mptcp: use net/lib.sh to manage netns.
 
  - TCP-AO and TCP-MD5: replace debug prints used by tests with
    tracepoints.
 
  - openvswitch: make test self-contained (don't depend on OvS CLI tools).
 
 Drivers
 -------
 
  - Ethernet high-speed NICs:
    - Broadcom (bnxt):
      - increase the max total outstanding PTP TX packets to 4
      - add timestamping statistics support
      - implement netdev_queue_mgmt_ops
      - support new RSS context API
    - Intel (100G, ice, idpf):
      - implement FEC statistics and dumping signal quality indicators
      - support E825C products (with 56Gbps PHYs)
    - nVidia/Mellanox:
      - support HW-GRO
      - mlx4/mlx5: support per-queue statistics via netlink
      - obey the max number of EQs setting in sub-functions
    - AMD/Solarflare:
      - support new RSS context API
    - AMD/Pensando:
      - ionic: rework fix for doorbell miss to lower overhead
        and skip it on new HW
    - Wangxun:
      - txgbe: support Flow Director perfect filters
 
  - Ethernet NICs consumer, embedded and virtual:
    - Add driver for Tehuti Networks TN40xx chips
    - Add driver for Meta's internal NIC chips
    - Add driver for Ethernet MAC on Airoha EN7581 SoCs
    - Add driver for Renesas Ethernet-TSN devices
    - Google cloud vNIC:
      - flow steering support
    - Microsoft vNIC:
      - support page sizes other than 4KB on ARM64
    - vmware vNIC:
      - support latency measurement (update to version 9)
    - VirtIO net:
      - support for Byte Queue Limits
      - support configuring thresholds for automatic IRQ moderation
      - support for AF_XDP Rx zero-copy
    - Synopsys (stmmac):
      - support for STM32MP13 SoC
      - let platforms select the right PCS implementation
    - TI:
      - icssg-prueth: add multicast filtering support
      - icssg-prueth: enable PTP timestamping and PPS
    - Renesas:
      - ravb: improve Rx performance 30-400% by using page pool,
        theaded NAPI and timer-based IRQ coalescing
      - ravb: add MII support for R-Car V4M
    - Cadence (macb):
      - macb: add ARP support to Wake-On-LAN
    - Cortina:
      - use phylib for RX and TX pause configuration
 
  - Ethernet switches:
    - nVidia/Mellanox:
      - support configuration of multipath hash seed
      - report more accurate max MTU
      - use page_pool to improve Rx performance
    - MediaTek:
      - mt7530: add support for bridge port isolation
    - Qualcomm:
      - qca8k: add support for bridge port isolation
    - Microchip:
      - lan9371/2: add 100BaseTX PHY support
    - NXP:
      - vsc73xx: implement VLAN operations
 
  - Ethernet PHYs:
    - aquantia: enable support for aqr115c
    - aquantia: add support for PHY LEDs
    - realtek: add support for rtl8224 2.5Gbps PHY
    - xpcs: add memory-mapped device support
    - add BroadR-Reach link mode and support in Broadcom's PHY driver
 
  - CAN:
    - add document for ISO 15765-2 protocol support
    - mcp251xfd: workaround for erratum DS80000789E, use timestamps
      to catch when device returns incorrect FIFO status
 
  - WiFi:
    - mac80211/cfg80211:
      - parse Transmit Power Envelope (TPE) data in mac80211 instead of
        in drivers
      - improvements for 6 GHz regulatory flexibility
      - multi-link improvements
      - support multiple radios per wiphy
      - remove DEAUTH_NEED_MGD_TX_PREP flag
    - Intel (iwlwifi):
      - bump FW API to 91 for BZ/SC devices
      - report 64-bit radiotap timestamp
      - enable P2P low latency by default
      - handle Transmit Power Envelope (TPE) advertised by AP
      - remove support for older FW for new devices
      - fast resume (keeping the device configured)
      - mvm: re-enable Multi-Link Operation (MLO)
      - aggregation (A-MSDU) optimizations
    - MediaTek (mt76):
      - mt7925 Multi-Link Operation (MLO) support
    - Qualcomm (ath10k):
      - LED support for various chipsets
    - Qualcomm (ath12k):
      - remove unsupported Tx monitor handling
      - support channel 2 in 6 GHz band
      - support Spatial Multiplexing Power Save (SMPS) in 6 GHz band
      - supprt multiple BSSID (MBSSID) and Enhanced Multi-BSSID
        Advertisements (EMA)
      - support dynamic VLAN
      - add panic handler for resetting the firmware state
      - DebugFS support for datapath statistics
      - WCN7850: support for Wake on WLAN
    - Microchip (wilc1000):
      - read MAC address during probe to make it visible to user space
      - suspend/resume improvements
    - TI (wl18xx):
      - support newer firmware versions
    - RealTek (rtw89):
      - preparation for RTL8852BE-VT support
      - Wake on WLAN support for WiFi 6 chips
      - 36-bit PCI DMA support
    - RealTek (rtlwifi):
      - RTL8192DU support
    - Broadcom (brcmfmac):
      - Management Frame Protection support (to enable WPA3)
 
  - Bluetooth:
    - qualcomm: use the power sequencer for QCA6390
    - btusb: mediatek: add ISO data transmission functions
    - hci_bcm4377: add BCM4388 support
    - btintel: add support for BlazarU core
    - btintel: add support for Whale Peak2
    - btnxpuart: add support for AW693 A1 chipset
    - btnxpuart: add support for IW615 chipset
    - btusb: add Realtek RTL8852BE support ID 0x13d3:0x3591
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Not much excitement - a handful of large patchsets (devmem among them)
  did not make it in time.

  Core & protocols:

   - Use local_lock in addition to local_bh_disable() to protect per-CPU
     resources in networking, a step closer for local_bh_disable() not
     to act as a big lock on PREEMPT_RT

   - Use flex array for netdevice priv area, ensure its cache alignment

   - Add a sysctl knob to allow user to specify a default rto_min at
     socket init time. Bit of a big hammer but multiple companies were
     independently carrying such patch downstream so clearly it's useful

   - Support scheduling transmission of packets based on CLOCK_TAI

   - Un-pin TCP TIMEWAIT timer to avoid it firing on CPUs later cordoned
     off using cpusets

   - Support multiple L2TPv3 UDP tunnels using the same 5-tuple address

   - Allow configuration of multipath hash seed, to both allow
     synchronizing hashing of two routers, and preventing partial
     accidental sync

   - Improve TCP compliance with RFC 9293 for simultaneous connect()

   - Support sending NAT keepalives in IPsec ESP in UDP states.
     Userspace IKE daemon had to do this before, but the kernel can
     better keep track of it

   - Support sending supervision HSR frames with MAC addresses stored in
     ProxyNodeTable when RedBox (i.e. HSR-SAN) is enabled

   - Introduce IPPROTO_SMC for selecting SMC when socket is created

   - Allow UDP GSO transmit from devices with no checksum offload

   - openvswitch: add packet sampling via psample, separating the
     sampled traffic from "upcall" packets sent to user space for
     forwarding

   - nf_tables: shrink memory consumption for transaction objects

  Things we sprinkled into general kernel code:

   - Power Sequencing subsystem (used by Qualcomm Bluetooth driver for
     QCA6390)           [ Already merged separately - Linus ]

   - Add IRQ information in sysfs for auxiliary bus

   - Introduce guard definition for local_lock

   - Add aligned flavor of __cacheline_group_{begin, end}() markings for
     grouping fields in structures

  BPF:

   - Notify user space (via epoll) when a struct_ops object is getting
     detached/unregistered

   - Add new kfuncs for a generic, open-coded bits iterator

   - Enable BPF programs to declare arrays of kptr, bpf_rb_root, and
     bpf_list_head

   - Support resilient split BTF which cuts down on duplication and
     makes BTF as compact as possible WRT BTF from modules

   - Add support for dumping kfunc prototypes from BTF which enables
     both detecting as well as dumping compilable prototypes for kfuncs

   - riscv64 BPF JIT improvements in particular to add 12-argument
     support for BPF trampolines and to utilize bpf_prog_pack for the
     latter

   - Add the capability to offload the netfilter flowtable in XDP layer
     through kfuncs

  Driver API:

   - Allow users to configure IRQ tresholds between which automatic IRQ
     moderation can choose

   - Expand Power Sourcing (PoE) status with power, class and failure
     reason. Support setting power limits

   - Track additional RSS contexts in the core, make sure configuration
     changes don't break them

   - Support IPsec crypto offload for IPv6 ESP and IPv4 UDP-encapsulated
     ESP data paths

   - Support updating firmware on SFP modules

  Tests and tooling:

   - mptcp: use net/lib.sh to manage netns

   - TCP-AO and TCP-MD5: replace debug prints used by tests with
     tracepoints

   - openvswitch: make test self-contained (don't depend on OvS CLI
     tools)

  Drivers:

   - Ethernet high-speed NICs:
      - Broadcom (bnxt):
         - increase the max total outstanding PTP TX packets to 4
         - add timestamping statistics support
         - implement netdev_queue_mgmt_ops
         - support new RSS context API
      - Intel (100G, ice, idpf):
         - implement FEC statistics and dumping signal quality indicators
         - support E825C products (with 56Gbps PHYs)
      - nVidia/Mellanox:
         - support HW-GRO
         - mlx4/mlx5: support per-queue statistics via netlink
         - obey the max number of EQs setting in sub-functions
      - AMD/Solarflare:
         - support new RSS context API
      - AMD/Pensando:
         - ionic: rework fix for doorbell miss to lower overhead and
           skip it on new HW
      - Wangxun:
         - txgbe: support Flow Director perfect filters

   - Ethernet NICs consumer, embedded and virtual:
      - Add driver for Tehuti Networks TN40xx chips
      - Add driver for Meta's internal NIC chips
      - Add driver for Ethernet MAC on Airoha EN7581 SoCs
      - Add driver for Renesas Ethernet-TSN devices
      - Google cloud vNIC:
         - flow steering support
      - Microsoft vNIC:
         - support page sizes other than 4KB on ARM64
      - vmware vNIC:
         - support latency measurement (update to version 9)
      - VirtIO net:
         - support for Byte Queue Limits
         - support configuring thresholds for automatic IRQ moderation
         - support for AF_XDP Rx zero-copy
      - Synopsys (stmmac):
         - support for STM32MP13 SoC
         - let platforms select the right PCS implementation
      - TI:
         - icssg-prueth: add multicast filtering support
         - icssg-prueth: enable PTP timestamping and PPS
      - Renesas:
         - ravb: improve Rx performance 30-400% by using page pool,
           theaded NAPI and timer-based IRQ coalescing
         - ravb: add MII support for R-Car V4M
      - Cadence (macb):
         - macb: add ARP support to Wake-On-LAN
      - Cortina:
         - use phylib for RX and TX pause configuration

   - Ethernet switches:
      - nVidia/Mellanox:
         - support configuration of multipath hash seed
         - report more accurate max MTU
         - use page_pool to improve Rx performance
      - MediaTek:
         - mt7530: add support for bridge port isolation
      - Qualcomm:
         - qca8k: add support for bridge port isolation
      - Microchip:
         - lan9371/2: add 100BaseTX PHY support
      - NXP:
         - vsc73xx: implement VLAN operations

   - Ethernet PHYs:
      - aquantia: enable support for aqr115c
      - aquantia: add support for PHY LEDs
      - realtek: add support for rtl8224 2.5Gbps PHY
      - xpcs: add memory-mapped device support
      - add BroadR-Reach link mode and support in Broadcom's PHY driver

   - CAN:
      - add document for ISO 15765-2 protocol support
      - mcp251xfd: workaround for erratum DS80000789E, use timestamps to
        catch when device returns incorrect FIFO status

   - WiFi:
      - mac80211/cfg80211:
         - parse Transmit Power Envelope (TPE) data in mac80211 instead
           of in drivers
         - improvements for 6 GHz regulatory flexibility
         - multi-link improvements
         - support multiple radios per wiphy
         - remove DEAUTH_NEED_MGD_TX_PREP flag
      - Intel (iwlwifi):
         - bump FW API to 91 for BZ/SC devices
         - report 64-bit radiotap timestamp
         - enable P2P low latency by default
         - handle Transmit Power Envelope (TPE) advertised by AP
         - remove support for older FW for new devices
         - fast resume (keeping the device configured)
         - mvm: re-enable Multi-Link Operation (MLO)
         - aggregation (A-MSDU) optimizations
      - MediaTek (mt76):
         - mt7925 Multi-Link Operation (MLO) support
      - Qualcomm (ath10k):
         - LED support for various chipsets
      - Qualcomm (ath12k):
         - remove unsupported Tx monitor handling
         - support channel 2 in 6 GHz band
         - support Spatial Multiplexing Power Save (SMPS) in 6 GHz band
         - supprt multiple BSSID (MBSSID) and Enhanced Multi-BSSID
           Advertisements (EMA)
         - support dynamic VLAN
         - add panic handler for resetting the firmware state
         - DebugFS support for datapath statistics
         - WCN7850: support for Wake on WLAN
      - Microchip (wilc1000):
         - read MAC address during probe to make it visible to user space
         - suspend/resume improvements
      - TI (wl18xx):
         - support newer firmware versions
      - RealTek (rtw89):
         - preparation for RTL8852BE-VT support
         - Wake on WLAN support for WiFi 6 chips
         - 36-bit PCI DMA support
      - RealTek (rtlwifi):
         - RTL8192DU support
      - Broadcom (brcmfmac):
         - Management Frame Protection support (to enable WPA3)

   - Bluetooth:
      - qualcomm: use the power sequencer for QCA6390
      - btusb: mediatek: add ISO data transmission functions
      - hci_bcm4377: add BCM4388 support
      - btintel: add support for BlazarU core
      - btintel: add support for Whale Peak2
      - btnxpuart: add support for AW693 A1 chipset
      - btnxpuart: add support for IW615 chipset
      - btusb: add Realtek RTL8852BE support ID 0x13d3:0x3591"

* tag 'net-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1589 commits)
  eth: fbnic: Fix spelling mistake "tiggerring" -> "triggering"
  tcp: Replace strncpy() with strscpy()
  wifi: ath12k: fix build vs old compiler
  tcp: Don't access uninit tcp_rsk(req)->ao_keyid in tcp_create_openreq_child().
  eth: fbnic: Write the TCAM tables used for RSS control and Rx to host
  eth: fbnic: Add L2 address programming
  eth: fbnic: Add basic Rx handling
  eth: fbnic: Add basic Tx handling
  eth: fbnic: Add link detection
  eth: fbnic: Add initial messaging to notify FW of our presence
  eth: fbnic: Implement Rx queue alloc/start/stop/free
  eth: fbnic: Implement Tx queue alloc/start/stop/free
  eth: fbnic: Allocate a netdevice and napi vectors with queues
  eth: fbnic: Add FW communication mechanism
  eth: fbnic: Add message parsing for FW messages
  eth: fbnic: Add register init to set PCIe/Ethernet device config
  eth: fbnic: Allocate core device specific structures and devlink interface
  eth: fbnic: Add scaffolding for Meta's NIC driver
  PCI: Add Meta Platforms vendor ID
  net/sched: cls_flower: propagate tca[TCA_OPTIONS] to NL_REQ_ATTR_CHECK
  ...
2024-07-16 19:28:34 -07:00
Linus Torvalds
cc0f7c3f97 soc: driver updates for 6.11
The updates to the mediatek, allwinner, ti, tegra, microchip, stm32,
 samsung, imx, zynq and amlogic platoforms are farily small maintenance
 changes, either addressing minor mistakes or enabling additional hardware.
 
 The qualcomm platform changes add a number of features and are larger
 than the other ones combined, introducing the use of linux/cleanup.h
 across several drivers, adding support for Snapdragon X1E and other
 SoCs in platform drivers, a new "protection domain mapper" driver, and a
 "shared memory bridge" driver.
 
 The cznic "turris omnia" router based on Marvell Armada gets a platform
 driver that talks to the board specific microcontroller.
 
 The reset and cache subsystems get a few minor updates to SoC specific
 drivers, while the ff-a, scmi and optee firmware drivers get some
 code refactoring and new features.
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Merge tag 'soc-drivers-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC driver updates from Arnd Bergmann:
 "The updates to the mediatek, allwinner, ti, tegra, microchip, stm32,
  samsung, imx, zynq and amlogic platoforms are fairly small maintenance
  changes, either addressing minor mistakes or enabling additional
  hardware.

  The qualcomm platform changes add a number of features and are larger
  than the other ones combined, introducing the use of linux/cleanup.h
  across several drivers, adding support for Snapdragon X1E and other
  SoCs in platform drivers, a new "protection domain mapper" driver, and
  a "shared memory bridge" driver.

  The cznic "turris omnia" router based on Marvell Armada gets a
  platform driver that talks to the board specific microcontroller.

  The reset and cache subsystems get a few minor updates to SoC specific
  drivers, while the ff-a, scmi and optee firmware drivers get some code
  refactoring and new features"

* tag 'soc-drivers-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (122 commits)
  firmware: turris-mox-rwtm: Initialize completion before mailbox
  firmware: turris-mox-rwtm: Fix checking return value of wait_for_completion_timeout()
  firmware: turris-mox-rwtm: Do not complete if there are no waiters
  MAINTAINERS: drop riscv list from cache controllers
  platform: cznic: turris-omnia-mcu: fix Kconfig dependencies
  bus: sunxi-rsb: Constify struct regmap_bus
  soc: sunxi: sram: Constify struct regmap_config
  platform: cznic: turris-omnia-mcu: Depend on WATCHDOG
  platform: cznic: turris-omnia-mcu: Depend on OF
  soc: samsung: exynos-pmu: add support for PMU_ALIVE non atomic registers
  arm64: stm32: enable scmi regulator for stm32
  firmware: qcom: tzmem: blacklist more platforms for SHM Bridge
  soc: qcom: wcnss: simplify with cleanup.h
  soc: qcom: pdr: simplify with cleanup.h
  soc: qcom: ocmem: simplify with cleanup.h
  soc: qcom: mdt_loader: simplify with cleanup.h
  soc: qcom: llcc: simplify with cleanup.h
  firmware: qcom: tzmem: simplify returning pointer without cleanup
  soc: qcom: socinfo: Add PM6350 PMIC
  arm64: dts: renesas: rz-smarc: Replace fixed regulator for USB VBUS
  ...
2024-07-16 11:35:27 -07:00
Linus Torvalds
408323581b - Add support for running the kernel in a SEV-SNP guest, over a Secure
VM Service Module (SVSM).
 
    When running over a SVSM, different services can run at different
    protection levels, apart from the guest OS but still within the
    secure SNP environment.  They can provide services to the guest, like
    a vTPM, for example.
 
    This series adds the required facilities to interface with such a SVSM
    module.
 
  - The usual fixlets, refactoring and cleanups
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Merge tag 'x86_sev_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 SEV updates from Borislav Petkov:

 - Add support for running the kernel in a SEV-SNP guest, over a Secure
   VM Service Module (SVSM).

   When running over a SVSM, different services can run at different
   protection levels, apart from the guest OS but still within the
   secure SNP environment. They can provide services to the guest, like
   a vTPM, for example.

   This series adds the required facilities to interface with such a
   SVSM module.

 - The usual fixlets, refactoring and cleanups

[ And as always: "SEV" is AMD's "Secure Encrypted Virtualization".

  I can't be the only one who gets all the newer x86 TLA's confused,
  can I?
              - Linus ]

* tag 'x86_sev_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation/ABI/configfs-tsm: Fix an unexpected indentation silly
  x86/sev: Do RMP memory coverage check after max_pfn has been set
  x86/sev: Move SEV compilation units
  virt: sev-guest: Mark driver struct with __refdata to prevent section mismatch
  x86/sev: Allow non-VMPL0 execution when an SVSM is present
  x86/sev: Extend the config-fs attestation support for an SVSM
  x86/sev: Take advantage of configfs visibility support in TSM
  fs/configfs: Add a callback to determine attribute visibility
  sev-guest: configfs-tsm: Allow the privlevel_floor attribute to be updated
  virt: sev-guest: Choose the VMPCK key based on executing VMPL
  x86/sev: Provide guest VMPL level to userspace
  x86/sev: Provide SVSM discovery support
  x86/sev: Use the SVSM to create a vCPU when not in VMPL0
  x86/sev: Perform PVALIDATE using the SVSM when not at VMPL0
  x86/sev: Use kernel provided SVSM Calling Areas
  x86/sev: Check for the presence of an SVSM in the SNP secrets page
  x86/irqflags: Provide native versions of the local_irq_save()/restore()
2024-07-16 11:12:25 -07:00
Linus Torvalds
c89d780cc1 arm64 updates for 6.11:
* Virtual CPU hotplug support for arm64 ACPI systems
 
 * cpufeature infrastructure cleanups and making the FEAT_ECBHB ID bits
   visible to guests
 
 * CPU errata: expand the speculative SSBS workaround to more CPUs
 
 * arm64 ACPI:
 
   - acpi=nospcr option to disable SPCR as default console for arm64
 
   - Move some ACPI code (cpuidle, FFH) to drivers/acpi/arm64/
 
 * GICv3, use compile-time PMR values: optimise the way regular IRQs are
   masked/unmasked when GICv3 pseudo-NMIs are used, removing the need for
   a static key in fast paths by using a priority value chosen
   dynamically at boot time
 
 * arm64 perf updates:
 
   - Rework of the IMX PMU driver to enable support for I.MX95
 
   - Enable support for tertiary match groups in the CMN PMU driver
 
   - Initial refactoring of the CPU PMU code to prepare for the fixed
     instruction counter introduced by Arm v9.4
 
   - Add missing PMU driver MODULE_DESCRIPTION() strings
 
   - Hook up DT compatibles for recent CPU PMUs
 
 * arm64 kselftest updates:
 
   - Kernel mode NEON fp-stress
 
   - Cleanups, spelling mistakes
 
 * arm64 Documentation update with a minor clarification on TBI
 
 * Miscellaneous:
 
   - Fix missing IPI statistics
 
   - Implement raw_smp_processor_id() using thread_info rather than a
     per-CPU variable (better code generation)
 
   - Make MTE checking of in-kernel asynchronous tag faults conditional
     on KASAN being enabled
 
   - Minor cleanups, typos
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:
 "The biggest part is the virtual CPU hotplug that touches ACPI,
  irqchip. We also have some GICv3 optimisation for pseudo-NMIs that has
  been queued via the arm64 tree. Otherwise the usual perf updates,
  kselftest, various small cleanups.

  Core:

   - Virtual CPU hotplug support for arm64 ACPI systems

   - cpufeature infrastructure cleanups and making the FEAT_ECBHB ID
     bits visible to guests

   - CPU errata: expand the speculative SSBS workaround to more CPUs

   - GICv3, use compile-time PMR values: optimise the way regular IRQs
     are masked/unmasked when GICv3 pseudo-NMIs are used, removing the
     need for a static key in fast paths by using a priority value
     chosen dynamically at boot time

  ACPI:

   - 'acpi=nospcr' option to disable SPCR as default console for arm64

   - Move some ACPI code (cpuidle, FFH) to drivers/acpi/arm64/

  Perf updates:

   - Rework of the IMX PMU driver to enable support for I.MX95

   - Enable support for tertiary match groups in the CMN PMU driver

   - Initial refactoring of the CPU PMU code to prepare for the fixed
     instruction counter introduced by Arm v9.4

   - Add missing PMU driver MODULE_DESCRIPTION() strings

   - Hook up DT compatibles for recent CPU PMUs

  Kselftest updates:

   - Kernel mode NEON fp-stress

   - Cleanups, spelling mistakes

  Miscellaneous:

   - arm64 Documentation update with a minor clarification on TBI

   - Fix missing IPI statistics

   - Implement raw_smp_processor_id() using thread_info rather than a
     per-CPU variable (better code generation)

   - Make MTE checking of in-kernel asynchronous tag faults conditional
     on KASAN being enabled

   - Minor cleanups, typos"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (69 commits)
  selftests: arm64: tags: remove the result script
  selftests: arm64: tags_test: conform test to TAP output
  perf: add missing MODULE_DESCRIPTION() macros
  arm64: smp: Fix missing IPI statistics
  irqchip/gic-v3: Fix 'broken_rdists' unused warning when !SMP and !ACPI
  ACPI: Add acpi=nospcr to disable ACPI SPCR as default console on ARM64
  Documentation: arm64: Update memory.rst for TBI
  arm64/cpufeature: Replace custom macros with fields from ID_AA64PFR0_EL1
  KVM: arm64: Replace custom macros with fields from ID_AA64PFR0_EL1
  perf: arm_pmuv3: Include asm/arm_pmuv3.h from linux/perf/arm_pmuv3.h
  perf: arm_v6/7_pmu: Drop non-DT probe support
  perf/arm: Move 32-bit PMU drivers to drivers/perf/
  perf: arm_pmuv3: Drop unnecessary IS_ENABLED(CONFIG_ARM64) check
  perf: arm_pmuv3: Avoid assigning fixed cycle counter with threshold
  arm64: Kconfig: Fix dependencies to enable ACPI_HOTPLUG_CPU
  perf: imx_perf: add support for i.MX95 platform
  perf: imx_perf: fix counter start and config sequence
  perf: imx_perf: refactor driver for imx93
  perf: imx_perf: let the driver manage the counter usage rather the user
  perf: imx_perf: add macro definitions for parsing config attr
  ...
2024-07-15 17:06:19 -07:00
Shay Drory
a808878308 driver core: auxiliary bus: show auxiliary device IRQs
PCI subfunctions (SF) are anchored on the auxiliary bus. PCI physical
and virtual functions are anchored on the PCI bus. The irq information
of each such function is visible to users via sysfs directory "msi_irqs"
containing files for each irq entry. However, for PCI SFs such
information is unavailable. Due to this users have no visibility on IRQs
used by the SFs.
Secondly, an SF can be multi function device supporting rdma, netdevice
and more. Without irq information at the bus level, the user is unable
to view or use the affinity of the SF IRQs.

Hence to match to the equivalent PCI PFs and VFs, add "irqs" directory,
for supporting auxiliary devices, containing file for each irq entry.

For example:
$ ls /sys/bus/auxiliary/devices/mlx5_core.sf.1/irqs/
50  51  52  53  54  55  56  57  58

Cc: Simon Horman <horms@kernel.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

---
v9-v10:
- remove Przemek RB
- add name field to auxiliary_irq_info (Greg and Przemek)
- handle bogus IRQ in auxiliary_device_sysfs_irq_remove (Greg)
v8-v9:
- add Przemek RB
- use guard() in auxiliary_irq_dir_prepare (Paolo)
v7-v8:
- use cleanup.h for info and name fields (Greg)
- correct error flow in auxiliary_irq_dir_prepare (Przemek)
- add documentation for new fields of auxiliary_device (Simon)
v6-v7:
- dynamically creating irqs directory when first irq file created (Greg)
- removed irqs flag and simplified the dev_add() API (Greg)
- move sysfs related new code to a new auxiliary_sysfs.c file (Greg)
v5-v6:
- removed concept of shared and exclusive and hence global xarray (Greg)
v4-v5:
- restore global mutex and replace refcount_t with simple integer (Greg)
v3->4:
- remove global mutex (Przemek)
v2->v3:
- fix function declaration in case SYSFS isn't defined
v1->v2:
- move #ifdefs from drivers/base/auxiliary.c to
  include/linux/auxiliary_bus.h (Greg)
- use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL (Greg)
- Fix kzalloc(ref) to kzalloc(*ref) (Simon)
- Add return description in auxiliary_device_sysfs_irq_add() kdoc (Simon)
- Fix auxiliary_irq_mode_show doc (kernel test boot)
2024-07-11 14:17:03 -07:00
Borislav Petkov (AMD)
5fa96c7ab3 Documentation/ABI/configfs-tsm: Fix an unexpected indentation silly
Fix:

  Documentation/ABI/testing/configfs-tsm:97: ERROR: Unexpected indentation

when building htmldocs with sphinx. I can't say I'm loving those rigid
sphinx rules but whatever, make it shut up.

Fixes: 627dc67151 ("x86/sev: Extend the config-fs attestation support for an SVSM")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20240701184557.4735ca3d@canb.auug.org.au
2024-07-11 12:03:23 +02:00
Alison Schofield
591209c798 cxl/memdev: Replace ENXIO with EBUSY for inject poison limit reached
The CXL driver provides a debugfs interface offering users the
ability to inject and clear poison to a memdev. Once a user has
injected up to the devices limit further injection requests fail
with ENXIO until a clear poison is issued.

Users may not have device specs in hand or may want to intentionally
hit the limit and then clear. Replace the usual ENXIO return status
with EBUSY so users can recognize this failure.

Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Tested-by: Xingtao Yao <yaoxt.fnst@fujitsu.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Link: https://patch.msgid.link/825bd4c67fb55a4373c4182d999ad49d4e6b4fe7.1720316188.git.alison.schofield@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
2024-07-10 17:12:42 -07:00
Damian Muszynski
d26cb4f53d Documentation: qat: fix auto_reset attribute details
The auto_reset attribute was introduced in kernel 6.9. Fix version and
date in documentation.

Fixes: f5419a4239 ("crypto: qat - add auto reset on error")
Signed-off-by: Damian Muszynski <damian.muszynski@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-07-06 10:20:00 +10:00
Marek Vasut
9d7eb234ac nvmem: core: Implement force_ro sysfs attribute
Implement "force_ro" sysfs attribute to allow users to set read-write
devices as read-only and back to read-write from userspace. The choice
of the name is based on MMC core 'force_ro' attribute.

This solves a situation where an AT24 I2C EEPROM with GPIO based nWP
signal may have to be occasionally updated. Such I2C EEPROM device is
usually set as read-only during most of the regular system operation,
but in case it has to be updated in a controlled manner, it could be
unlocked using this new "force_ro" sysfs attribute and then re-locked
again.

The "read-only" DT property and config->read_only configuration is
respected and is used to set default state of the device, read-only
or read-write, for devices which do implement .reg_write function.
For devices which do not implement .reg_write function, the device
is unconditionally read-only and the "force_ro" attribute is not
visible.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240705074852.423202-16-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-07-05 09:55:05 +02:00
Marek Vasut
a5f65c7735 nvmem: Document type attribute
Document a type attribute used by userspace to discern different types of
NVMEM devices. The implementation is already present, the ABI document is
missing, add it.

Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240705074852.423202-14-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-07-05 09:55:05 +02:00
Marek Vasut
ac871d6bd8 nvmem: Replace spaces with tab in documentation
Replace two spaces with tab in the sysfs attribute documentation.
No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240705074852.423202-13-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-07-05 09:55:05 +02:00
Thomas Zimmermann
a1cacb8a8e backlight: Add BACKLIGHT_POWER_ constants for power states
Duplicate FB_BLANK_ constants as BACKLIGHT_POWER__ constants in the
backlight header file. Allows backlight drivers to avoid including
the fbdev header file and removes a compile-time dependency between
the two subsystems.

The new BACKLIGHT_POWER_ constants have the same values as their
FB_BLANK_ counterparts. Hence UAPI and internal semantics do not
change. The backlight drivers can be converted one by one. Each
instance of FB_BLANK_UNBLANK becomes BACKLIGHT_POWER_ON, each of
FB_BLANK_POWERDOWN becomes BACKLIGHT_POWER_OFF, and FB_BLANK_NORMAL
becomes BACKLIGHT_POWER_REDUCED.

Backlight code or drivers do not use FB_BLANK_VSYNC_SUSPEND and
FB_BLANK_HSYNC_SUSPEND, so no new constants for these are being
added.

The semantics of FB_BLANK_NORMAL appear inconsistent. In fbdev,
NORMAL means display off with sync enabled. In backlight code,
this translates to turn the backlight off, but some drivers
interpret it as backlight on. So we keep the current code as is,
but mark BACKLIGHT_POWER_REDUCED as deprecated. Drivers should be
fixed and the constant removed. This affects ams369fg06 and a few
DRM panel drivers.

v2:
- rename BL_CORE_ power constants to BACKLIGHT_POWER_ (Sam)
- fix documentation

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240624152033.25016-2-tzimmermann@suse.de
Signed-off-by: Lee Jones <lee@kernel.org>
2024-07-04 16:45:25 +01:00
Gerhard Engleder
a194467676 misc: keba: Add basic KEBA CP500 system FPGA support
The KEBA CP500 system FPGA is a PCIe device, which consists of multiple
IP cores. Every IP core has its own auxiliary driver. The cp500 driver
registers an auxiliary device for each device and the corresponding
drivers are loaded by the Linux driver infrastructure.

Currently 3 variants of this device exists. Every variant has its own
PCI device ID, which is used to determine the list of available IP
cores. In this first version only the auxiliary device for the I2C
controller is registered.

Besides the auxiliary device registration some other basic functions of
the FPGA are implemented; e.g, FPGA version sysfs file, keep FPGA
configuration on reset sysfs file, error message for errors on the
internal AXI bus of the FPGA.

Signed-off-by: Gerhard Engleder <eg@keba.com>
Link: https://lore.kernel.org/r/20240630194740.7137-2-gerhard@engleder-embedded.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-07-04 12:29:07 +02:00
Dave Chinner
c1220522ef xfs: grant heads track byte counts, not LSNs
The grant heads in the log track the space reserved in the log for
running transactions. They do this by tracking how far ahead of the
tail that the reservation has reached, and the units for doing this
are {cycle,bytes} for the reserve head rather than {cycle,blocks}
which are normal used by LSNs.

This is annoyingly complex because we have to split, crack and
combined these tuples for any calculation we do to determine log
space and targets. This is computationally expensive as well as
difficult to do atomically and locklessly, as well as limiting the
size of the log to 2^32 bytes.

Really, though, all the grant heads are tracking is how much space
is currently available for use in the log. We can track this as a
simply byte count - we just don't care what the actual physical
location in the log the head and tail are at, just how much space we
have remaining before the head and tail overlap.

So, convert the grant heads to track the byte reservations that are
active rather than the current (cycle, offset) tuples. This means an
empty log has zero bytes consumed, and a full log is when the
reservations reach the size of the log minus the space consumed by
the AIL.

This greatly simplifies the accounting and checks for whether there
is space available. We no longer need to crack or combine LSNs to
determine how much space the log has left, nor do we need to look at
the head or tail of the log to determine how close to full we are.

There is, however, a complexity that needs to be handled. We know
how much space is being tracked in the AIL now via log->l_tail_space
and the log tickets track active reservations and return the unused
portions to the grant heads when ungranted.  Unfortunately, we don't
track the used portion of the grant, so when we transfer log items
from the CIL to the AIL, the space accounted to the grant heads is
transferred to the log tail space.  Hence when we move the AIL head
forwards on item insert, we have to remove that space from the grant
heads.

We also remove the xlog_verify_grant_tail() debug function as it is
no longer useful. The check it performs has been racy since delayed
logging was introduced, but now it is clearly only detecting false
positives so remove it.

The result of this substantially simpler accounting algorithm is an
increase in sustained transaction rate from ~1.3 million
transactions/s to ~1.9 million transactions/s with no increase in
CPU usage. We also remove the 32 bit space limitation on the grant
heads, which will allow us to increase the journal size beyond 2GB
in future.

Note that this renames the sysfs files exposing the log grant space
now that the values are exported in bytes.  This allows xfstests
to auto-detect the old or new ABI.

[hch: move xlog_grant_sub_space out of line,
      update the xlog_grant_{add,sub}_space prototypes,
      rename the sysfs files to allow auto-detection in xfstests]

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
2024-07-04 12:46:47 +05:30
Christoph Hellwig
9ff4490e2a xfs: fix the contact address for the sysfs ABI documentation
oss.sgi.com is long dead, refer to the current linux-xfs list instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
2024-07-04 12:46:46 +05:30
Hyeongtak Ji
e36287c6e1 mm/damon/sysfs-schemes: add target_nid on sysfs-schemes
This patch adds target_nid under
  /sys/kernel/mm/damon/admin/kdamonds/<N>/contexts/<N>/schemes/<N>/

The 'target_nid' can be used as the destination node for DAMOS actions
such as DAMOS_MIGRATE_{HOT,COLD} in the follow up patches.

[sj@kernel.org: document target_nid file]
  Link: https://lkml.kernel.org/r/20240618213630.84846-3-sj@kernel.org
Link: https://lkml.kernel.org/r/20240614030010.751-4-honggyu.kim@sk.com
Signed-off-by: Hyeongtak Ji <hyeongtak.ji@sk.com>
Signed-off-by: Honggyu Kim <honggyu.kim@sk.com>
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Gregory Price <gregory.price@memverge.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Rakie Kim <rakie.kim@sk.com>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-07-03 19:30:12 -07:00
Yafang Shao
adb68ed26a livepatch: Add "replace" sysfs attribute
There are situations when it might make sense to combine livepatches
with and without the atomic replace on the same system. For example,
the livepatch without the atomic replace might provide a hotfix
or extra tuning.

Managing livepatches on such systems might be challenging. And the
information which of the installed livepatches do not use the atomic
replace would be useful.

Add new sysfs interface 'replace'. It works as follows:

   $ cat /sys/kernel/livepatch/livepatch-non_replace/replace
   0

   $ cat /sys/kernel/livepatch/livepatch-replace/replace
   1

[ commit log improved by Petr ]

Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Link: https://lore.kernel.org/r/20240625151123.2750-2-laoar.shao@gmail.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
2024-07-02 16:56:18 +02:00
Marek Behún
90e700fd12
platform: cznic: turris-omnia-mcu: Add support for poweroff and wakeup
Add support for true board poweroff (MCU can disable all unnecessary
voltage regulators) and wakeup at a specified time, implemented via a
RTC driver so that the rtcwake utility can be used to configure it.

Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20240701113010.16447-5-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-07-01 15:46:37 +02:00
Marek Behún
dfa556e45a
platform: cznic: turris-omnia-mcu: Add support for MCU connected GPIOs
Add support for GPIOs connected to the MCU on the Turris Omnia board.

This includes:
- front button pin
- enable pins for USB regulators
- MiniPCIe / mSATA card presence pins in MiniPCIe port 0
- LED output pins from WAN ethernet PHY, LAN switch and MiniPCIe ports
- on board revisions 32+ also various peripheral resets and another
  voltage regulator enable pin

Signed-off-by: Marek Behún <kabel@kernel.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20240701113010.16447-4-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-07-01 15:46:36 +02:00
Marek Behún
992f1a3d4e
platform: cznic: Add preliminary support for Turris Omnia MCU
Add the basic skeleton for a new platform driver for the microcontroller
found on the Turris Omnia board.

Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20240701113010.16447-3-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-07-01 15:46:36 +02:00
James Morse
4e1a7df454 cpumask: Add enabled cpumask for present CPUs that can be brought online
The 'offline' file in sysfs shows all offline CPUs, including those
that aren't present. User-space is expected to remove not-present CPUs
from this list to learn which CPUs could be brought online.

CPUs can be present but not-enabled. These CPUs can't be brought online
until the firmware policy changes, which comes with an ACPI notification
that will register the CPUs.

With only the offline and present files, user-space is unable to
determine which CPUs it can try to bring online. Add a new CPU mask
that shows this based on all the registered CPUs.

Signed-off-by: James Morse <james.morse@arm.com>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Tested-by: Vishnu Pajjuri <vishnu@os.amperecomputing.com>
Tested-by: Jianyong Wu <jianyong.wu@arm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240529133446.28446-20-Jonathan.Cameron@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-06-28 18:38:33 +01:00
Uday M Bhat
de3edd47a1 xhci: dbc: Allow users to modify DbC poll interval via sysfs
xhci DbC driver polls the host controller for DbC events at a reduced
rate when DbC is enabled but there are no active data transfers.

Allow users to modify this reduced poll interval via dbc_poll_interval_ms
sysfs entry. Unit is milliseconds and accepted range is 0 to 5000.
Max interval of 5000 ms is selected as it matches the common 5 second
timeout used in usb stack.
Default value is 64 milliseconds.

A long interval is useful when users know there won't be any activity
on systems connected via DbC for long periods, and want to avoid
battery drainage due to unnecessary CPU usage.

Example being Android Debugger (ADB) usage over DbC on ChromeOS systems
running Android Runtime.

[minor changes and rewording -Mathias]

Co-developed-by: Samuel Jacob <samjaco@google.com>
Signed-off-by: Samuel Jacob <samjaco@google.com>
Signed-off-by: Uday M Bhat <uday.m.bhat@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240626124835.1023046-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-27 16:08:05 +02:00
Armin Wolf
618ba6abfc
platform/x86: wmi: Add bus ABI documentation
Add documentation for the WMI bus sysfs interface so userspace
applications can use it to access additional data about WMI devices.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240624173116.31314-3-W_Armin@gmx.de
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-06-24 20:36:13 +03:00
Tomer Tayar
340dd775d7 accel/habanalabs: use device-name directory in debugfs-driver-habanalabs
The device debugfs directory was modified to be named as the parent
device name.
Update the description of 'mmu' and 'mmu_error' to use the new path.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Ofir Bitton <obitton@habana.ai>
Signed-off-by: Ofir Bitton <obitton@habana.ai>
2024-06-23 09:53:04 +03:00
Tal Risin
26250af92f accel/habanalabs: expose server type in debugfs
Exposing server type through debugfs to enable easier access via
scripts.

Signed-off-by: Tal Risin <trisin@habana.ai>
Reviewed-by: Ofir Bitton <obitton@habana.ai>
Signed-off-by: Ofir Bitton <obitton@habana.ai>
2024-06-23 09:46:07 +03:00
John Garry
9da3d1e912 block: Add core atomic write support
Add atomic write support, as follows:
- add helper functions to get request_queue atomic write limits
- report request_queue atomic write support limits to sysfs and update Doc
- support to safely merge atomic writes
- deal with splitting atomic writes
- misc helper functions
- add a per-request atomic write flag

New request_queue limits are added, as follows:
- atomic_write_hw_max is set by the block driver and is the maximum length
  of an atomic write which the device may support. It is not
  necessarily a power-of-2.
- atomic_write_max_sectors is derived from atomic_write_hw_max_sectors and
  max_hw_sectors. It is always a power-of-2. Atomic writes may be merged,
  and atomic_write_max_sectors would be the limit on a merged atomic write
  request size. This value is not capped at max_sectors, as the value in
  max_sectors can be controlled from userspace, and it would only cause
  trouble if userspace could limit atomic_write_unit_max_bytes and the
  other atomic write limits.
- atomic_write_hw_unit_{min,max} are set by the block driver and are the
  min/max length of an atomic write unit which the device may support. They
  both must be a power-of-2. Typically atomic_write_hw_unit_max will hold
  the same value as atomic_write_hw_max.
- atomic_write_unit_{min,max} are derived from
  atomic_write_hw_unit_{min,max}, max_hw_sectors, and block core limits.
  Both min and max values must be a power-of-2.
- atomic_write_hw_boundary is set by the block driver. If non-zero, it
  indicates an LBA space boundary at which an atomic write straddles no
  longer is atomically executed by the disk. The value must be a
  power-of-2. Note that it would be acceptable to enforce a rule that
  atomic_write_hw_boundary_sectors is a multiple of
  atomic_write_hw_unit_max, but the resultant code would be more
  complicated.

All atomic writes limits are by default set 0 to indicate no atomic write
support. Even though it is assumed by Linux that a logical block can always
be atomically written, we ignore this as it is not of particular interest.
Stacked devices are just not supported either for now.

An atomic write must always be submitted to the block driver as part of a
single request. As such, only a single BIO must be submitted to the block
layer for an atomic write. When a single atomic write BIO is submitted, it
cannot be split. As such, atomic_write_unit_{max, min}_bytes are limited
by the maximum guaranteed BIO size which will not be required to be split.
This max size is calculated by request_queue max segments and the number
of bvecs a BIO can fit, BIO_MAX_VECS. Currently we rely on userspace
issuing a write with iovcnt=1 for pwritev2() - as such, we can rely on each
segment containing PAGE_SIZE of data, apart from the first+last, which each
can fit logical block size of data. The first+last will be LBS
length/aligned as we rely on direct IO alignment rules also.

New sysfs files are added to report the following atomic write limits:
- atomic_write_unit_max_bytes - same as atomic_write_unit_max_sectors in
				bytes
- atomic_write_unit_min_bytes - same as atomic_write_unit_min_sectors in
				bytes
- atomic_write_boundary_bytes - same as atomic_write_hw_boundary_sectors in
				bytes
- atomic_write_max_bytes      - same as atomic_write_max_sectors in bytes

Atomic writes may only be merged with other atomic writes and only under
the following conditions:
- total resultant request length <= atomic_write_max_bytes
- the merged write does not straddle a boundary

Helper function bdev_can_atomic_write() is added to indicate whether
atomic writes may be issued to a bdev. If a bdev is a partition, the
partition start must be aligned with both atomic_write_unit_min_sectors
and atomic_write_hw_boundary_sectors.

FSes will rely on the block layer to validate that an atomic write BIO
submitted will be of valid size, so add blk_validate_atomic_write_op_size()
for this purpose. Userspace expects an atomic write which is of invalid
size to be rejected with -EINVAL, so add BLK_STS_INVAL for this. Also use
BLK_STS_INVAL for when a BIO needs to be split, as this should mean an
invalid size BIO.

Flag REQ_ATOMIC is used for indicating an atomic write.

Co-developed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Link: https://lore.kernel.org/r/20240620125359.2684798-6-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-06-20 15:19:17 -06:00
Tom Lendacky
627dc67151 x86/sev: Extend the config-fs attestation support for an SVSM
When an SVSM is present, the guest can also request attestation reports
from it. These SVSM attestation reports can be used to attest the SVSM
and any services running within the SVSM.

Extend the config-fs attestation support to provide such. This involves
creating four new config-fs attributes:

  - 'service-provider' (input)
    This attribute is used to determine whether the attestation request
    should be sent to the specified service provider or to the SEV
    firmware. The SVSM service provider is represented by the value
    'svsm'.

  - 'service_guid' (input)
    Used for requesting the attestation of a single service within the
    service provider. A null GUID implies that the SVSM_ATTEST_SERVICES
    call should be used to request the attestation report. A non-null
    GUID implies that the SVSM_ATTEST_SINGLE_SERVICE call should be used.

  - 'service_manifest_version' (input)
    Used with the SVSM_ATTEST_SINGLE_SERVICE call, the service version
    represents a specific service manifest version be used for the
    attestation report.

  - 'manifestblob' (output)
    Used to return the service manifest associated with the attestation
    report.

Only display these new attributes when running under an SVSM.

  [ bp: Massage.
   - s/svsm_attestation_call/svsm_attest_call/g ]

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/965015dce3c76bb8724839d50c5dea4e4b5d598f.1717600736.git.thomas.lendacky@amd.com
2024-06-17 20:42:57 +02:00
Tom Lendacky
61564d3468 x86/sev: Provide guest VMPL level to userspace
Requesting an attestation report from userspace involves providing the VMPL
level for the report. Currently any value from 0-3 is valid because Linux
enforces running at VMPL0.

When an SVSM is present, though, Linux will not be running at VMPL0 and only
VMPL values starting at the VMPL level Linux is running at to 3 are valid. In
order to allow userspace to determine the minimum VMPL value that can be
supplied to an attestation report, create a sysfs entry that can be used to
retrieve the current VMPL level of the kernel.

  [ bp: Add CONFIG_SYSFS ifdeffery. ]

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/fff846da0d8d561f9fdaf297dcf8cd907545a25b.1717600736.git.thomas.lendacky@amd.com
2024-06-17 20:42:57 +02:00
Jean-Baptiste Maneyrol
3d4d033a8d iio: document inv_icm42600 driver private sysfs attributes
Add ABI documentation for inv_icm42600 private sysfs attributes.

Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://lore.kernel.org/r/20240605195949.766677-2-inv.git-commit@tdk.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-06-13 19:19:26 +01:00
Tero Kristo
0da7a95448
doc: TPMI: Add entry for Performance Limit Reasons
Describe the new 'plr' (Performance Limit Reasons) directory contents under
the main TPMI debugfs folder.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com>
Link: https://lore.kernel.org/r/20240527133400.483634-7-tero.kristo@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-05-31 16:32:20 +03:00
Avri Altman
600edc6620 scsi: ufs: sysfs: Make max_number_of_rtt read-write
Given the importance of the RTT parameter, we want to be able to configure
it via sysfs. This is because UFS users should be discouraged from change
UFS device parameters without the UFSHCI driver being aware of these
changes.

Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20240530142510.734-4-avri.altman@wdc.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2024-05-30 20:34:38 -04:00
Linus Torvalds
5f16eb0549 Char/Misc and other driver subsystem changes for 6.10-rc1
Here is the big set of char/misc and other driver subsystem updates for
 6.10-rc1.  Nothing major here, just lots of new drivers and updates for
 apis and new hardware types.  Included in here are:
   - big IIO driver updates with more devices and drivers added
   - fpga driver updates
   - hyper-v driver updates
   - uio_pruss driver removal, no one uses it, other drivers control the
     same hardware now
   - binder minor updates
   - mhi driver updates
   - excon driver updates
   - counter driver updates
   - accessability driver updates
   - coresight driver updates
   - other hwtracing driver updates
   - nvmem driver updates
   - slimbus driver updates
   - spmi driver updates
   - other smaller misc and char driver updates
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver subsystem updates from Greg KH:
 "Here is the big set of char/misc and other driver subsystem updates
  for 6.10-rc1. Nothing major here, just lots of new drivers and updates
  for apis and new hardware types. Included in here are:

   - big IIO driver updates with more devices and drivers added

   - fpga driver updates

   - hyper-v driver updates

   - uio_pruss driver removal, no one uses it, other drivers control the
     same hardware now

   - binder minor updates

   - mhi driver updates

   - excon driver updates

   - counter driver updates

   - accessability driver updates

   - coresight driver updates

   - other hwtracing driver updates

   - nvmem driver updates

   - slimbus driver updates

   - spmi driver updates

   - other smaller misc and char driver updates

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (319 commits)
  misc: ntsync: mark driver as "broken" to prevent from building
  spmi: pmic-arb: Add multi bus support
  spmi: pmic-arb: Register controller for bus instead of arbiter
  spmi: pmic-arb: Make core resources acquiring a version operation
  spmi: pmic-arb: Make the APID init a version operation
  spmi: pmic-arb: Fix some compile warnings about members not being described
  dt-bindings: spmi: Deprecate qcom,bus-id
  dt-bindings: spmi: Add X1E80100 SPMI PMIC ARB schema
  spmi: pmic-arb: Replace three IS_ERR() calls by null pointer checks in spmi_pmic_arb_probe()
  spmi: hisi-spmi-controller: Do not override device identifier
  dt-bindings: spmi: hisilicon,hisi-spmi-controller: clean up example
  dt-bindings: spmi: hisilicon,hisi-spmi-controller: fix binding references
  spmi: make spmi_bus_type const
  extcon: adc-jack: Document missing struct members
  extcon: realtek: Remove unused of_gpio.h
  extcon: usbc-cros-ec: Convert to platform remove callback returning void
  extcon: usb-gpio: Convert to platform remove callback returning void
  extcon: max77843: Convert to platform remove callback returning void
  extcon: max3355: Convert to platform remove callback returning void
  extcon: intel-mrfld: Convert to platform remove callback returning void
  ...
2024-05-22 12:26:46 -07:00
Linus Torvalds
89601f675b USB / Thunderbolt changes for 6.10-rc1
Here is the big set of USB and Thunderbolt changes for 6.10-rc1.
 Nothing hugely earth-shattering, just constant forward progress for
 hardware support of new devices and cleanups over the drivers.
 
 Included in here are:
   - Thunderbolt / USB 4 driver updates
   - typec driver updates
   - dwc3 driver updates
   - gadget driver updates
   - uss720 driver id additions and fixes (people use USB->arallel port
     devices still!)
   - onboard-hub driver rename and additions for new hardware
   - xhci driver updates
   - other small USB driver updates and additions for quirks and api
     changes
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt changes for 6.10-rc1.
  Nothing hugely earth-shattering, just constant forward progress for
  hardware support of new devices and cleanups over the drivers.

  Included in here are:

   - Thunderbolt / USB 4 driver updates

   - typec driver updates

   - dwc3 driver updates

   - gadget driver updates

   - uss720 driver id additions and fixes (people use USB->arallel port
     devices still!)

   - onboard-hub driver rename and additions for new hardware

   - xhci driver updates

   - other small USB driver updates and additions for quirks and api
     changes

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'usb-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
  drm/bridge: aux-hpd-bridge: correct devm_drm_dp_hpd_bridge_add() stub
  usb: fotg210: Add missing kernel doc description
  usb: dwc3: core: Fix unused variable warning in core driver
  usb: typec: tipd: rely on i2c_get_match_data()
  usb: typec: tipd: fix event checking for tps6598x
  usb: typec: tipd: fix event checking for tps25750
  dt-bindings: usb: qcom,dwc3: fix interrupt max items
  usb: fotg210: Use *-y instead of *-objs in Makefile
  usb: phy: tegra: Replace of_gpio.h by proper one
  usb: typec: ucsi: displayport: Fix potential deadlock
  usb: typec: qcom-pmic-typec: split HPD bridge alloc and registration
  usb: musc: Remove unused list 'buffers'
  usb: dwc3: Wait unconditionally after issuing EndXfer command
  usb: gadget: u_audio: Clear uac pointer when freed.
  usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind.
  dt-bindings: usb: dwc3: Add QDU1000 compatible
  usb: core: Remove the useless struct usb_devmap which is just a bitmap
  MAINTAINERS: Remove {ehci,uhci}-platform.c from ARM/VT8500 entry
  USB: usb_parse_endpoint: ignore reserved bits
  usb: xhci: compact 'trb_in_td()' arguments
  ...
2024-05-22 11:40:09 -07:00
Linus Torvalds
f3033eb791 - Core Frameworks
- Ensure seldom updated triggers have a brightness value before first update
 
  - New Device Support
    - Add support for Simatic IPC Device BX_59A to IPC LEDs Core
    - Add support for Qualcomm PMI8950 PWM to LPG Core
 
  - New Functionality
    - Add a bunch of new LED function identifiers
    - Add support for High Resolution Timers in LED Trigger Patten
 
  - Fix-ups
    - Shift out Audio Trigger to the Sound subsystem
    - Convert suitable calls to devm_* managed resources
    - Device Tree binding adaptions/conversions/creation
    - Remove superfluous code/variables/attributes and simplify overall
    - Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
 
  - Bug Fixes
    - Repair enabling Torch Mode from V4L2 on the second LED
    - Ensure PWM is disabled when suspending
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Merge tag 'leds-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "Core Frameworks:
   - Ensure seldom updated triggers have a brightness value before first
     update

  New Device Support:
   - Add support for Simatic IPC Device BX_59A to IPC LEDs Core
   - Add support for Qualcomm PMI8950 PWM to LPG Core

  New Functionality:
   - Add a bunch of new LED function identifiers
   - Add support for High Resolution Timers in LED Trigger Patten

  Fix-ups:
   - Shift out Audio Trigger to the Sound subsystem
   - Convert suitable calls to devm_* managed resources
   - Device Tree binding adaptions/conversions/creation
   - Remove superfluous code/variables/attributes and simplify overall
   - Use/convert to new/better APIs/helpers/MACROs instead of
     hand-rolling implementations

  Bug Fixes:
   - Repair enabling Torch Mode from V4L2 on the second LED
   - Ensure PWM is disabled when suspending"

* tag 'leds-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (28 commits)
  leds: mt6370: Remove unused field 'reg_cfgs' from 'struct mt6370_priv'
  leds: lp50xx: Remove unused field 'num_of_banked_leds' from 'struct lp50xx'
  leds: lp50xx: Remove unused field 'bank_modules' from 'struct lp50xx_led'
  leds: aat1290: Remove unused field 'torch_brightness' from 'struct aat1290_led'
  leds: sun50i-a100: Use match_string() helper to simplify the code
  leds: pwm: Disable PWM when going to suspend
  leds: trigger: pattern: Add support for hrtimer
  leds: mt6360: Fix the second LED can not enable torch mode by V4L2
  dt-bindings: leds: leds-qcom-lpg: Add support for PMI8950 PWM
  leds: qcom-lpg: Add support for PMI8950 PWM
  leds: apu: Remove duplicate DMI lookup data
  leds: trigger: netdev: Remove not needed call to led_set_brightness in deactivate
  dt-bindings: leds: Add LED_FUNCTION_SPEED_* for link speed on LAN/WAN
  dt-bindings: leds: Add LED_FUNCTION_MOBILE for mobile network
  leds: simatic-ipc-leds-gpio: Add support for module BX-59A
  dt-bindings: leds: qcom-lpg: Document PM6150L compatible
  dt-bindings: leds: pca963x: Convert text bindings to YAML
  leds: an30259a: Use devm_mutex_init() for mutex initialization
  leds: mlxreg: Use devm_mutex_init() for mutex initialization
  leds: nic78bx: Use devm API to cleanup module's resources
  ...
2024-05-22 10:49:54 -07:00
Linus Torvalds
29c73fc794 perf tools fixes and improvements for v6.10:
- Add Kan Liang to MAINTAINERS as a perf tools reviewer.
 
 - Add support for using the 'capstone' disassembler library in various tools,
   such as 'perf script' and 'perf annotate'. This is an alternative for the
   use of the 'xed' and 'objdump' disassemblers.
 
 - Data-type profiling improvements:
 
   Resolve types for a->b->c by backtracking the assignments until it finds
   DWARF info for one of those members
 
   Support for global variables, keeping a cache to speed up lookups.
 
   Handle the 'call' instruction, dealing with effects on registers and handling
   its return when tracking register data types.
 
   Handle x86's segment based addressing like %gs:0x28, to support things like
   per CPU variables, the stack canary, etc.
 
   Data-type profiling got big speedups when using capstone for disassembling.
   The objdump outoput parsing method is left as a fallback when capstone fails or
   isn't available. There are patches posted for 6.11 that to use a LLVM
   disassembler.
 
   Support event group display in the TUI when annotating types with --data-type,
   for instance to show memory load and store events for the data type fields.
 
   Optimize the 'perf annotate' data structures, reducing memory usage.
 
   Add a initial 'perf test' for 'perf annotate', checking that a target symbol
   appears on the output, specifying objdump via the command line, etc.
 
 - Integrate the shellcheck utility with the build of perf to allow catching
   shell problems early in areas such as 'perf test', 'perf trace' scrape
   scripts, etc.
 
 - Add 'uretprobe' variant in the 'perf bench uprobe' tool.
 
 - Add script to run instances of 'perf script' in parallel.
 
 - Allow parsing tracepoint names that start with digits, such as
   9p/9p_client_req, etc. Make sure 'perf test' tests it even on systems
   where those tracepoints aren't available.
 
 Vendor Events:
 
 - Update Intel JSON files for Cascade Lake X, Emerald Rapids, Grand Ridge, Ice
   Lake X, Lunar Lake, Meteor Lake, Sapphire Rapids, Sierra Forest, Sky Lake X,
   Sky Lake and Snow Ridge X.  Remove info metrics erroneously in TopdownL1.
 
 - Add AMD's Zen 5 core and uncore events and metrics. Those come from the
   "Performance Monitor Counters for AMD Family 1Ah Model 00h- 0Fh Processors"
   document, with events that capture information on op dispatch, execution and
   retirement, branch prediction, L1 and L2 cache activity, TLB activity, etc.
 
 - Mark L1D_CACHE_INVAL impacted by errata for ARM64's AmpereOne/AmpereOneX.
 
 Miscellaneous:
 
 - Sync header copies with the kernel sources.
 
 - Move some header copies used only for generating translation string tables
   for ioctl cmds and other syscall integer arguments to a new directory under
   tools/perf/beauty/, to separate from copies in tools/include/ that are used
   to build the tools.
 
 - Introduce scrape script for several syscall 'flags'/'mask' arguments.
 
 - Improve cpumap utilization, fixing up pairing of refcounts, using the right
   iterators (perf_cpu_map__for_each_cpu), etc.
 
 - Give more details about raw event encodings in 'perf list', show tracepoint
   encoding in the detailed output.
 
 - Refactor the DSOs handling code, reducing memory usage.
 
 - Document the BPF event modifier and add a 'perf test' for it.
 
 - Improve the event parser, better error messages and add further 'perf test's
   for it.
 
 - Add reference count checking to 'struct comm_str' and 'struct mem_info'.
 
 - Make ARM64's 'perf test' entries for the Neoverse N1 more robust.
 
 - Tweak the ARM64's Coresight 'perf test's.
 
 - Improve ARM64's CoreSight ETM version detection and error reporting.
 
 - Fix handling of symbols when using kcore.
 
 - Fix PAI (Processor Activity Instrumentation) counter names for s390 virtual
   machines in 'perf report'.
 
 - Fix -g/--call-graph option failure in 'perf sched timehist'.
 
 - Add LIBTRACEEVENT_DIR build option to allow building with libtraceevent
   installed in non-standard directories, such as when doing cross builds.
 
 - Various 'perf test' and 'perf bench' fixes.
 
 - Improve 'perf probe' error message for long C++ probe names.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v6.10-1-2024-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools updates from Arnaldo Carvalho de Melo:
 "General:

   - Integrate the shellcheck utility with the build of perf to allow
     catching shell problems early in areas such as 'perf test', 'perf
     trace' scrape scripts, etc

   - Add 'uretprobe' variant in the 'perf bench uprobe' tool

   - Add script to run instances of 'perf script' in parallel

   - Allow parsing tracepoint names that start with digits, such as
     9p/9p_client_req, etc. Make sure 'perf test' tests it even on
     systems where those tracepoints aren't available

   - Add Kan Liang to MAINTAINERS as a perf tools reviewer

   - Add support for using the 'capstone' disassembler library in
     various tools, such as 'perf script' and 'perf annotate'. This is
     an alternative for the use of the 'xed' and 'objdump' disassemblers

  Data-type profiling improvements:

   - Resolve types for a->b->c by backtracking the assignments until it
     finds DWARF info for one of those members

   - Support for global variables, keeping a cache to speed up lookups

   - Handle the 'call' instruction, dealing with effects on registers
     and handling its return when tracking register data types

   - Handle x86's segment based addressing like %gs:0x28, to support
     things like per CPU variables, the stack canary, etc

   - Data-type profiling got big speedups when using capstone for
     disassembling. The objdump outoput parsing method is left as a
     fallback when capstone fails or isn't available. There are patches
     posted for 6.11 that to use a LLVM disassembler

   - Support event group display in the TUI when annotating types with
     --data-type, for instance to show memory load and store events for
     the data type fields

   - Optimize the 'perf annotate' data structures, reducing memory usage

   - Add a initial 'perf test' for 'perf annotate', checking that a
     target symbol appears on the output, specifying objdump via the
     command line, etc

  Vendor Events:

   - Update Intel JSON files for Cascade Lake X, Emerald Rapids, Grand
     Ridge, Ice Lake X, Lunar Lake, Meteor Lake, Sapphire Rapids, Sierra
     Forest, Sky Lake X, Sky Lake and Snow Ridge X. Remove info metrics
     erroneously in TopdownL1

   - Add AMD's Zen 5 core and uncore events and metrics. Those come from
     the "Performance Monitor Counters for AMD Family 1Ah Model 00h- 0Fh
     Processors" document, with events that capture information on op
     dispatch, execution and retirement, branch prediction, L1 and L2
     cache activity, TLB activity, etc

   - Mark L1D_CACHE_INVAL impacted by errata for ARM64's AmpereOne/
     AmpereOneX

  Miscellaneous:

   - Sync header copies with the kernel sources

   - Move some header copies used only for generating translation string
     tables for ioctl cmds and other syscall integer arguments to a new
     directory under tools/perf/beauty/, to separate from copies in
     tools/include/ that are used to build the tools

   - Introduce scrape script for several syscall 'flags'/'mask'
     arguments

   - Improve cpumap utilization, fixing up pairing of refcounts, using
     the right iterators (perf_cpu_map__for_each_cpu), etc

   - Give more details about raw event encodings in 'perf list', show
     tracepoint encoding in the detailed output

   - Refactor the DSOs handling code, reducing memory usage

   - Document the BPF event modifier and add a 'perf test' for it

   - Improve the event parser, better error messages and add further
     'perf test's for it

   - Add reference count checking to 'struct comm_str' and 'struct
     mem_info'

   - Make ARM64's 'perf test' entries for the Neoverse N1 more robust

   - Tweak the ARM64's Coresight 'perf test's

   - Improve ARM64's CoreSight ETM version detection and error reporting

   - Fix handling of symbols when using kcore

   - Fix PAI (Processor Activity Instrumentation) counter names for s390
     virtual machines in 'perf report'

   - Fix -g/--call-graph option failure in 'perf sched timehist'

   - Add LIBTRACEEVENT_DIR build option to allow building with
     libtraceevent installed in non-standard directories, such as when
     doing cross builds

   - Various 'perf test' and 'perf bench' fixes

   - Improve 'perf probe' error message for long C++ probe names"

* tag 'perf-tools-for-v6.10-1-2024-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (260 commits)
  tools lib subcmd: Show parent options in help
  perf pmu: Count sys and cpuid JSON events separately
  perf stat: Don't display metric header for non-leader uncore events
  perf annotate-data: Ensure the number of type histograms
  perf annotate: Fix segfault on sample histogram
  perf daemon: Fix file leak in daemon_session__control
  libsubcmd: Fix parse-options memory leak
  perf lock: Avoid memory leaks from strdup()
  perf sched: Rename 'switches' column header to 'count' and add usage description, options for latency
  perf tools: Ignore deleted cgroups
  perf parse: Allow tracepoint names to start with digits
  perf parse-events: Add new 'fake_tp' parameter for tests
  perf parse-events: pass parse_state to add_tracepoint
  perf symbols: Fix ownership of string in dso__load_vmlinux()
  perf symbols: Update kcore map before merging in remaining symbols
  perf maps: Re-use __maps__free_maps_by_name()
  perf symbols: Remove map from list before updating addresses
  perf tracepoint: Don't scan all tracepoints to test if one exists
  perf dwarf-aux: Fix build with HAVE_DWARF_CFI_SUPPORT
  perf thread: Fixes to thread__new() related to initializing comm
  ...
2024-05-21 15:45:14 -07:00
Linus Torvalds
72ece20127 f2fs update for 6.10-rc1
In this round, we've tried to address some performance issues on zoned storage
 such as direct IO and write_hints. In addition, we've migrated some IO paths
 using folio. Meanwhile, there are multiple bug fixes in the compression paths,
 sanity check conditions, and error handlers.
 
 Enhancement:
  - allow direct io of pinned files for zoned storage
  - assign the write hint per stream by default
  - convert read paths and test_writeback to folio
  - avoid allocating WARM_DATA segment for direct IO
 
 Bug fix:
  - fix false alarm on invalid block address
  - fix to add missing iput() in gc_data_segment()
  - fix to release node block count in error path of f2fs_new_node_page()
  - compress: don't allow unaligned truncation on released compress inode
  - compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
  - compress: fix error path of inc_valid_block_count()
  - compress: fix to update i_compr_blocks correctly
  - fix block migration when section is not aligned to pow2
  - don't trigger OPU on pinfile for direct IO
  - fix to do sanity check on i_xattr_nid in sanity_check_inode()
  - write missing last sum blk of file pinning section
  - clear writeback when compression failed
  - fix to adjust appropirate defragment pg_end
 
 As usual, there are several minor code clean-ups, and fixes to manage missing
 corner cases in the error paths.
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Merge tag 'f2fs-for-6.10.rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we've tried to address some performance issues on zoned
  storage such as direct IO and write_hints. In addition, we've migrated
  some IO paths using folio. Meanwhile, there are multiple bug fixes in
  the compression paths, sanity check conditions, and error handlers.

  Enhancements:
   - allow direct io of pinned files for zoned storage
   - assign the write hint per stream by default
   - convert read paths and test_writeback to folio
   - avoid allocating WARM_DATA segment for direct IO

  Bug fixes:
   - fix false alarm on invalid block address
   - fix to add missing iput() in gc_data_segment()
   - fix to release node block count in error path of
     f2fs_new_node_page()
   - compress:
       - don't allow unaligned truncation on released compress inode
       - cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
       - fix error path of inc_valid_block_count()
       - fix to update i_compr_blocks correctly
   - fix block migration when section is not aligned to pow2
   - don't trigger OPU on pinfile for direct IO
   - fix to do sanity check on i_xattr_nid in sanity_check_inode()
   - write missing last sum blk of file pinning section
   - clear writeback when compression failed
   - fix to adjust appropirate defragment pg_end

  As usual, there are several minor code clean-ups, and fixes to manage
  missing corner cases in the error paths"

* tag 'f2fs-for-6.10.rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (50 commits)
  f2fs: initialize last_block_in_bio variable
  f2fs: Add inline to f2fs_build_fault_attr() stub
  f2fs: fix some ambiguous comments
  f2fs: fix to add missing iput() in gc_data_segment()
  f2fs: allow dirty sections with zero valid block for checkpoint disabled
  f2fs: compress: don't allow unaligned truncation on released compress inode
  f2fs: fix to release node block count in error path of f2fs_new_node_page()
  f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
  f2fs: compress: fix error path of inc_valid_block_count()
  f2fs: compress: fix typo in f2fs_reserve_compress_blocks()
  f2fs: compress: fix to update i_compr_blocks correctly
  f2fs: check validation of fault attrs in f2fs_build_fault_attr()
  f2fs: fix to limit gc_pin_file_threshold
  f2fs: remove unused GC_FAILURE_PIN
  f2fs: use f2fs_{err,info}_ratelimited() for cleanup
  f2fs: fix block migration when section is not aligned to pow2
  f2fs: zone: fix to don't trigger OPU on pinfile for direct IO
  f2fs: fix to do sanity check on i_xattr_nid in sanity_check_inode()
  f2fs: fix to avoid allocating WARM_DATA segment for direct IO
  f2fs: remove redundant parameter in is_next_segment_free()
  ...
2024-05-20 13:23:43 -07:00
Linus Torvalds
61307b7be4 The usual shower of singleton fixes and minor series all over MM,
documented (hopefully adequately) in the respective changelogs.  Notable
 series include:
 
 - Lucas Stach has provided some page-mapping
   cleanup/consolidation/maintainability work in the series "mm/treewide:
   Remove pXd_huge() API".
 
 - In the series "Allow migrate on protnone reference with
   MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's
   MPOL_PREFERRED_MANY mode, yielding almost doubled performance in one
   test.
 
 - In their series "Memory allocation profiling" Kent Overstreet and
   Suren Baghdasaryan have contributed a means of determining (via
   /proc/allocinfo) whereabouts in the kernel memory is being allocated:
   number of calls and amount of memory.
 
 - Matthew Wilcox has provided the series "Various significant MM
   patches" which does a number of rather unrelated things, but in largely
   similar code sites.
 
 - In his series "mm: page_alloc: freelist migratetype hygiene" Johannes
   Weiner has fixed the page allocator's handling of migratetype requests,
   with resulting improvements in compaction efficiency.
 
 - In the series "make the hugetlb migration strategy consistent" Baolin
   Wang has fixed a hugetlb migration issue, which should improve hugetlb
   allocation reliability.
 
 - Liu Shixin has hit an I/O meltdown caused by readahead in a
   memory-tight memcg.  Addressed in the series "Fix I/O high when memory
   almost met memcg limit".
 
 - In the series "mm/filemap: optimize folio adding and splitting" Kairui
   Song has optimized pagecache insertion, yielding ~10% performance
   improvement in one test.
 
 - Baoquan He has cleaned up and consolidated the early zone
   initialization code in the series "mm/mm_init.c: refactor
   free_area_init_core()".
 
 - Baoquan has also redone some MM initializatio code in the series
   "mm/init: minor clean up and improvement".
 
 - MM helper cleanups from Christoph Hellwig in his series "remove
   follow_pfn".
 
 - More cleanups from Matthew Wilcox in the series "Various page->flags
   cleanups".
 
 - Vlastimil Babka has contributed maintainability improvements in the
   series "memcg_kmem hooks refactoring".
 
 - More folio conversions and cleanups in Matthew Wilcox's series
 
 	"Convert huge_zero_page to huge_zero_folio"
 	"khugepaged folio conversions"
 	"Remove page_idle and page_young wrappers"
 	"Use folio APIs in procfs"
 	"Clean up __folio_put()"
 	"Some cleanups for memory-failure"
 	"Remove page_mapping()"
 	"More folio compat code removal"
 
 - David Hildenbrand chipped in with "fs/proc/task_mmu: convert hugetlb
   functions to work on folis".
 
 - Code consolidation and cleanup work related to GUP's handling of
   hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2".
 
 - Rick Edgecombe has developed some fixes to stack guard gaps in the
   series "Cover a guard gap corner case".
 
 - Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the series
   "mm/ksm: fix ksm exec support for prctl".
 
 - Baolin Wang has implemented NUMA balancing for multi-size THPs.  This
   is a simple first-cut implementation for now.  The series is "support
   multi-size THP numa balancing".
 
 - Cleanups to vma handling helper functions from Matthew Wilcox in the
   series "Unify vma_address and vma_pgoff_address".
 
 - Some selftests maintenance work from Dev Jain in the series
   "selftests/mm: mremap_test: Optimizations and style fixes".
 
 - Improvements to the swapping of multi-size THPs from Ryan Roberts in
   the series "Swap-out mTHP without splitting".
 
 - Kefeng Wang has significantly optimized the handling of arm64's
   permission page faults in the series
 
 	"arch/mm/fault: accelerate pagefault when badaccess"
 	"mm: remove arch's private VM_FAULT_BADMAP/BADACCESS"
 
 - GUP cleanups from David Hildenbrand in "mm/gup: consistently call it
   GUP-fast".
 
 - hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault path to
   use struct vm_fault".
 
 - selftests build fixes from John Hubbard in the series "Fix
   selftests/mm build without requiring "make headers"".
 
 - Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the
   series "Improved Memory Tier Creation for CPUless NUMA Nodes".  Fixes
   the initialization code so that migration between different memory types
   works as intended.
 
 - David Hildenbrand has improved follow_pte() and fixed an errant driver
   in the series "mm: follow_pte() improvements and acrn follow_pte()
   fixes".
 
 - David also did some cleanup work on large folio mapcounts in his
   series "mm: mapcount for large folios + page_mapcount() cleanups".
 
 - Folio conversions in KSM in Alex Shi's series "transfer page to folio
   in KSM".
 
 - Barry Song has added some sysfs stats for monitoring multi-size THP's
   in the series "mm: add per-order mTHP alloc and swpout counters".
 
 - Some zswap cleanups from Yosry Ahmed in the series "zswap same-filled
   and limit checking cleanups".
 
 - Matthew Wilcox has been looking at buffer_head code and found the
   documentation to be lacking.  The series is "Improve buffer head
   documentation".
 
 - Multi-size THPs get more work, this time from Lance Yang.  His series
   "mm/madvise: enhance lazyfreeing with mTHP in madvise_free" optimizes
   the freeing of these things.
 
 - Kemeng Shi has added more userspace-visible writeback instrumentation
   in the series "Improve visibility of writeback".
 
 - Kemeng Shi then sent some maintenance work on top in the series "Fix
   and cleanups to page-writeback".
 
 - Matthew Wilcox reduces mmap_lock traffic in the anon vma code in the
   series "Improve anon_vma scalability for anon VMAs".  Intel's test bot
   reported an improbable 3x improvement in one test.
 
 - SeongJae Park adds some DAMON feature work in the series
 
 	"mm/damon: add a DAMOS filter type for page granularity access recheck"
 	"selftests/damon: add DAMOS quota goal test"
 
 - Also some maintenance work in the series
 
 	"mm/damon/paddr: simplify page level access re-check for pageout"
 	"mm/damon: misc fixes and improvements"
 
 - David Hildenbrand has disabled some known-to-fail selftests ni the
   series "selftests: mm: cow: flag vmsplice() hugetlb tests as XFAIL".
 
 - memcg metadata storage optimizations from Shakeel Butt in "memcg:
   reduce memory consumption by memcg stats".
 
 - DAX fixes and maintenance work from Vishal Verma in the series
   "dax/bus.c: Fixups for dax-bus locking".
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Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull mm updates from Andrew Morton:
 "The usual shower of singleton fixes and minor series all over MM,
  documented (hopefully adequately) in the respective changelogs.
  Notable series include:

   - Lucas Stach has provided some page-mapping cleanup/consolidation/
     maintainability work in the series "mm/treewide: Remove pXd_huge()
     API".

   - In the series "Allow migrate on protnone reference with
     MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's
     MPOL_PREFERRED_MANY mode, yielding almost doubled performance in
     one test.

   - In their series "Memory allocation profiling" Kent Overstreet and
     Suren Baghdasaryan have contributed a means of determining (via
     /proc/allocinfo) whereabouts in the kernel memory is being
     allocated: number of calls and amount of memory.

   - Matthew Wilcox has provided the series "Various significant MM
     patches" which does a number of rather unrelated things, but in
     largely similar code sites.

   - In his series "mm: page_alloc: freelist migratetype hygiene"
     Johannes Weiner has fixed the page allocator's handling of
     migratetype requests, with resulting improvements in compaction
     efficiency.

   - In the series "make the hugetlb migration strategy consistent"
     Baolin Wang has fixed a hugetlb migration issue, which should
     improve hugetlb allocation reliability.

   - Liu Shixin has hit an I/O meltdown caused by readahead in a
     memory-tight memcg. Addressed in the series "Fix I/O high when
     memory almost met memcg limit".

   - In the series "mm/filemap: optimize folio adding and splitting"
     Kairui Song has optimized pagecache insertion, yielding ~10%
     performance improvement in one test.

   - Baoquan He has cleaned up and consolidated the early zone
     initialization code in the series "mm/mm_init.c: refactor
     free_area_init_core()".

   - Baoquan has also redone some MM initializatio code in the series
     "mm/init: minor clean up and improvement".

   - MM helper cleanups from Christoph Hellwig in his series "remove
     follow_pfn".

   - More cleanups from Matthew Wilcox in the series "Various
     page->flags cleanups".

   - Vlastimil Babka has contributed maintainability improvements in the
     series "memcg_kmem hooks refactoring".

   - More folio conversions and cleanups in Matthew Wilcox's series:
	"Convert huge_zero_page to huge_zero_folio"
	"khugepaged folio conversions"
	"Remove page_idle and page_young wrappers"
	"Use folio APIs in procfs"
	"Clean up __folio_put()"
	"Some cleanups for memory-failure"
	"Remove page_mapping()"
	"More folio compat code removal"

   - David Hildenbrand chipped in with "fs/proc/task_mmu: convert
     hugetlb functions to work on folis".

   - Code consolidation and cleanup work related to GUP's handling of
     hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2".

   - Rick Edgecombe has developed some fixes to stack guard gaps in the
     series "Cover a guard gap corner case".

   - Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the
     series "mm/ksm: fix ksm exec support for prctl".

   - Baolin Wang has implemented NUMA balancing for multi-size THPs.
     This is a simple first-cut implementation for now. The series is
     "support multi-size THP numa balancing".

   - Cleanups to vma handling helper functions from Matthew Wilcox in
     the series "Unify vma_address and vma_pgoff_address".

   - Some selftests maintenance work from Dev Jain in the series
     "selftests/mm: mremap_test: Optimizations and style fixes".

   - Improvements to the swapping of multi-size THPs from Ryan Roberts
     in the series "Swap-out mTHP without splitting".

   - Kefeng Wang has significantly optimized the handling of arm64's
     permission page faults in the series
	"arch/mm/fault: accelerate pagefault when badaccess"
	"mm: remove arch's private VM_FAULT_BADMAP/BADACCESS"

   - GUP cleanups from David Hildenbrand in "mm/gup: consistently call
     it GUP-fast".

   - hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault
     path to use struct vm_fault".

   - selftests build fixes from John Hubbard in the series "Fix
     selftests/mm build without requiring "make headers"".

   - Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the
     series "Improved Memory Tier Creation for CPUless NUMA Nodes".
     Fixes the initialization code so that migration between different
     memory types works as intended.

   - David Hildenbrand has improved follow_pte() and fixed an errant
     driver in the series "mm: follow_pte() improvements and acrn
     follow_pte() fixes".

   - David also did some cleanup work on large folio mapcounts in his
     series "mm: mapcount for large folios + page_mapcount() cleanups".

   - Folio conversions in KSM in Alex Shi's series "transfer page to
     folio in KSM".

   - Barry Song has added some sysfs stats for monitoring multi-size
     THP's in the series "mm: add per-order mTHP alloc and swpout
     counters".

   - Some zswap cleanups from Yosry Ahmed in the series "zswap
     same-filled and limit checking cleanups".

   - Matthew Wilcox has been looking at buffer_head code and found the
     documentation to be lacking. The series is "Improve buffer head
     documentation".

   - Multi-size THPs get more work, this time from Lance Yang. His
     series "mm/madvise: enhance lazyfreeing with mTHP in madvise_free"
     optimizes the freeing of these things.

   - Kemeng Shi has added more userspace-visible writeback
     instrumentation in the series "Improve visibility of writeback".

   - Kemeng Shi then sent some maintenance work on top in the series
     "Fix and cleanups to page-writeback".

   - Matthew Wilcox reduces mmap_lock traffic in the anon vma code in
     the series "Improve anon_vma scalability for anon VMAs". Intel's
     test bot reported an improbable 3x improvement in one test.

   - SeongJae Park adds some DAMON feature work in the series
	"mm/damon: add a DAMOS filter type for page granularity access recheck"
	"selftests/damon: add DAMOS quota goal test"

   - Also some maintenance work in the series
	"mm/damon/paddr: simplify page level access re-check for pageout"
	"mm/damon: misc fixes and improvements"

   - David Hildenbrand has disabled some known-to-fail selftests ni the
     series "selftests: mm: cow: flag vmsplice() hugetlb tests as
     XFAIL".

   - memcg metadata storage optimizations from Shakeel Butt in "memcg:
     reduce memory consumption by memcg stats".

   - DAX fixes and maintenance work from Vishal Verma in the series
     "dax/bus.c: Fixups for dax-bus locking""

* tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (426 commits)
  memcg, oom: cleanup unused memcg_oom_gfp_mask and memcg_oom_order
  selftests/mm: hugetlb_madv_vs_map: avoid test skipping by querying hugepage size at runtime
  mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_wp
  mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_fault
  selftests: cgroup: add tests to verify the zswap writeback path
  mm: memcg: make alloc_mem_cgroup_per_node_info() return bool
  mm/damon/core: fix return value from damos_wmark_metric_value
  mm: do not update memcg stats for NR_{FILE/SHMEM}_PMDMAPPED
  selftests: cgroup: remove redundant enabling of memory controller
  Docs/mm/damon/maintainer-profile: allow posting patches based on damon/next tree
  Docs/mm/damon/maintainer-profile: change the maintainer's timezone from PST to PT
  Docs/mm/damon/design: use a list for supported filters
  Docs/admin-guide/mm/damon/usage: fix wrong schemes effective quota update command
  Docs/admin-guide/mm/damon/usage: fix wrong example of DAMOS filter matching sysfs file
  selftests/damon: classify tests for functionalities and regressions
  selftests/damon/_damon_sysfs: use 'is' instead of '==' for 'None'
  selftests/damon/_damon_sysfs: find sysfs mount point from /proc/mounts
  selftests/damon/_damon_sysfs: check errors from nr_schemes file reads
  mm/damon/core: initialize ->esz_bp from damos_quota_init_priv()
  selftests/damon: add a test for DAMOS quota goal
  ...
2024-05-19 09:21:03 -07:00
Linus Torvalds
ff2632d7d0 powerpc updates for 6.10
- Enable BPF Kernel Functions (kfuncs) in the powerpc BPF JIT.
 
  - Allow per-process DEXCR (Dynamic Execution Control Register) settings via
    prctl, notably NPHIE which controls hashst/hashchk for ROP protection.
 
  - Install powerpc selftests in sub-directories. Note this changes the way
    run_kselftest.sh needs to be invoked for powerpc selftests.
 
  - Change fadump (Firmware Assisted Dump) to better handle memory add/remove.
 
  - Add support for passing additional parameters to the fadump kernel.
 
  - Add support for updating the kdump image on CPU/memory add/remove events.
 
  - Other small features, cleanups and fixes.
 
 Thanks to: Andrew Donnellan, Andy Shevchenko, Aneesh Kumar K.V, Arnd Bergmann,
 Benjamin Gray, Bjorn Helgaas, Christian Zigotzky, Christophe Jaillet, Christophe
 Leroy, Colin Ian King, Cédric Le Goater, Dr. David Alan Gilbert, Erhard Furtner,
 Frank Li, GUO Zihua, Ganesh Goudar, Geoff Levand, Ghanshyam Agrawal, Greg Kurz,
 Hari Bathini, Joel Stanley, Justin Stitt, Kunwu Chan, Li Yang, Lidong Zhong,
 Madhavan Srinivasan, Mahesh Salgaonkar, Masahiro Yamada, Matthias Schiffer,
 Naresh Kamboju, Nathan Chancellor, Nathan Lynch, Naveen N Rao, Nicholas
 Miehlbradt, Ran Wang, Randy Dunlap, Ritesh Harjani, Sachin Sant, Shirisha Ganta,
 Shrikanth Hegde, Sourabh Jain, Stephen Rothwell, sundar, Thorsten Blum, Vaibhav
 Jain, Xiaowei Bao, Yang Li, Zhao Chenhui.
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Merge tag 'powerpc-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Enable BPF Kernel Functions (kfuncs) in the powerpc BPF JIT.

 - Allow per-process DEXCR (Dynamic Execution Control Register) settings
   via prctl, notably NPHIE which controls hashst/hashchk for ROP
   protection.

 - Install powerpc selftests in sub-directories. Note this changes the
   way run_kselftest.sh needs to be invoked for powerpc selftests.

 - Change fadump (Firmware Assisted Dump) to better handle memory
   add/remove.

 - Add support for passing additional parameters to the fadump kernel.

 - Add support for updating the kdump image on CPU/memory add/remove
   events.

 - Other small features, cleanups and fixes.

Thanks to Andrew Donnellan, Andy Shevchenko, Aneesh Kumar K.V, Arnd
Bergmann, Benjamin Gray, Bjorn Helgaas, Christian Zigotzky, Christophe
Jaillet, Christophe Leroy, Colin Ian King, Cédric Le Goater, Dr. David
Alan Gilbert, Erhard Furtner, Frank Li, GUO Zihua, Ganesh Goudar, Geoff
Levand, Ghanshyam Agrawal, Greg Kurz, Hari Bathini, Joel Stanley, Justin
Stitt, Kunwu Chan, Li Yang, Lidong Zhong, Madhavan Srinivasan, Mahesh
Salgaonkar, Masahiro Yamada, Matthias Schiffer, Naresh Kamboju, Nathan
Chancellor, Nathan Lynch, Naveen N Rao, Nicholas Miehlbradt, Ran Wang,
Randy Dunlap, Ritesh Harjani, Sachin Sant, Shirisha Ganta, Shrikanth
Hegde, Sourabh Jain, Stephen Rothwell, sundar, Thorsten Blum, Vaibhav
Jain, Xiaowei Bao, Yang Li, and Zhao Chenhui.

* tag 'powerpc-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (85 commits)
  powerpc/fadump: Fix section mismatch warning
  powerpc/85xx: fix compile error without CONFIG_CRASH_DUMP
  powerpc/fadump: update documentation about bootargs_append
  powerpc/fadump: pass additional parameters when fadump is active
  powerpc/fadump: setup additional parameters for dump capture kernel
  powerpc/pseries/fadump: add support for multiple boot memory regions
  selftests/powerpc/dexcr: Fix spelling mistake "predicition" -> "prediction"
  KVM: PPC: Book3S HV nestedv2: Fix an error handling path in gs_msg_ops_kvmhv_nestedv2_config_fill_info()
  KVM: PPC: Fix documentation for ppc mmu caps
  KVM: PPC: code cleanup for kvmppc_book3s_irqprio_deliver
  KVM: PPC: Book3S HV nestedv2: Cancel pending DEC exception
  powerpc/xmon: Check cpu id in commands "c#", "dp#" and "dx#"
  powerpc/code-patching: Use dedicated memory routines for patching
  powerpc/code-patching: Test patch_instructions() during boot
  powerpc64/kasan: Pass virtual addresses to kasan_init_phys_region()
  powerpc: rename SPRN_HID2 define to SPRN_HID2_750FX
  powerpc: Fix typos
  powerpc/eeh: Fix spelling of the word "auxillary" and update comment
  macintosh/ams: Fix unused variable warning
  powerpc/Makefile: Remove bits related to the previous use of -mcmodel=large
  ...
2024-05-17 09:05:46 -07:00
Linus Torvalds
ea5f6ad9ad platform-drivers-x86 for v6.10-1
Highlights:
  - New drivers/platform/arm64 directory for arm64 embedded-controller drivers
  - New drivers for:
    - Acer Aspire 1 embedded controllers (for arm64 models)
    - ACPI quickstart PNP0C32 buttons
    - Dell All-In-One backlight support (dell-uart-backlight)
    - Lenovo WMI camera buttons
    - Lenovo Yoga Tablet 2 Pro 1380F/L fast charging
    - MeeGoPad ANX7428 Type-C Cross Switch (power sequencing only)
    - MSI WMI sensors (fan speed sensors only for now)
  - Asus WMI:
    - 2024 ROG Mini-LED support
    - MCU powersave support
    - Vivobook GPU MUX support
    - Misc. other improvements
  - Ideapad laptop:
    - Export FnLock LED as LED class device
    - Switch platform profiles using thermal management key
  - Intel drivers:
    - IFS: various improvements
    - PMC: Lunar Lake support
    - SDSI: various improvements
    - TPMI/ISST: various improvements
    - tools: intel-speed-select: various improvements
  - MS Surface drivers:
    - Fan profile switching support
    - Surface Pro thermal sensors support
  - ThinkPad ACPI:
    - Reworked hotkey support to use sparse keymaps
    - Add support for new trackpoint-doubletap, Fn+N and Fn+G hotkeys
  - WMI core:
    - New WMI driver development guide
  - x86 Android tablets:
    - Lenovo Yoga Tablet 2 Pro 1380F/L support
    - Xiaomi MiPad 2 status LED and bezel touch buttons backlight support
  - Miscellaneous cleanups / fixes / improvements
 
 The following is an automated git shortlog grouped by driver:
 
 ACPI:
  -  platform-profile: add platform_profile_cycle()
 
 Add ACPI quickstart button (PNP0C32) driver:
  - Add ACPI quickstart button (PNP0C32) driver
 
 Add lenovo-yoga-tab2-pro-1380-fastcharger driver:
  - Add lenovo-yoga-tab2-pro-1380-fastcharger driver
 
 Add new Dell UART backlight driver:
  - Add new Dell UART backlight driver
 
 Add lenovo WMI camera button driver:
  - Add lenovo WMI camera button driver
 
 Add new MeeGoPad ANX7428 Type-C Cross Switch driver:
  - Add new MeeGoPad ANX7428 Type-C Cross Switch driver
 
 ISST:
  -  Support SST-BF and SST-TF per level
  -  Add missing MODULE_DESCRIPTION
  -  Add dev_fmt
  -  Use in_range() to check package ID validity
  -  Support partitioned systems
  -  Shorten the assignments for power_domain_info
  -  Use local variable for auxdev->dev
 
 MAINTAINERS:
  -  drop Daniel Oliveira Nascimento
 
 arm64:
  -  dts: qcom: acer-aspire1: Add embedded controller
 
 asus-laptop:
  -  Use sysfs_emit() and sysfs_emit_at() to replace sprintf()
 
 asus-wmi:
  -  cleanup main struct to avoid some holes
  -  Add support for MCU powersave
  -  ROG Ally increase wait time, allow MCU powersave
  -  adjust formatting of ppt-<name>() functions
  -  store a min default for ppt options
  -  support toggling POST sound
  -  add support variant of TUF RGB
  -  add support for Vivobook GPU MUX
  -  add support for 2024 ROG Mini-LED
  -  use sysfs_emit() instead of sprintf()
 
 classmate-laptop:
  -  Add missing MODULE_DESCRIPTION()
 
 devm-helpers:
  -  Fix a misspelled cancellation in the comments
 
 dt-bindings:
  -  leds: Add LED_FUNCTION_FNLOCK
  -  platform: Add Acer Aspire 1 EC
 
 hp-wmi:
  -  use sysfs_emit() instead of sprintf()
 
 huawei-wmi:
  -  use sysfs_emit() instead of sprintf()
 
 ideapad-laptop:
  -  switch platform profiles using thermal management key
  -  add FnLock LED class device
  -  add fn_lock_get/set functions
 
 intel-vbtn:
  -  Log event code on unexpected button events
 
 intel/pmc:
  -  Enable S0ix blocker show in Lunar Lake
  -  Add support to show S0ix blocker counter
  -  Update LNL signal status map
 
 msi-laptop:
  -  Use sysfs_emit() to replace sprintf()
 
 p2sb:
  -  Don't init until unassigned resources have been assigned
  -  Make p2sb_get_devfn() return void
 
 platform:
  -  arm64: Add Acer Aspire 1 embedded controller driver
  -  Add ARM64 platform directory
 
 platform/surface:
  -  aggregator: Log critical errors during SAM probing
  -  aggregator_registry: Add support for thermal sensors on the Surface Pro 9
  -  platform_profile: add fan profile switching
 
 platform/x86/amd:
  -  pmc: Add new ACPI ID AMDI000B
  -  pmf: Add new ACPI ID AMDI0105
 
 platform/x86/amd/hsmp:
  -  switch to use device_add_groups()
 
 platform/x86/amd/pmc:
  -  Fix implicit declaration error on i386
  -  Add AMD MP2 STB functionality
 
 platform/x86/fujitsu-laptop:
  -  Replace sprintf() with sysfs_emit()
 
 platform/x86/intel-uncore-freq:
  -  Don't present root domain on error
 
 platform/x86/intel/ifs:
  -  Disable irq during one load stage
  -  trace: display batch num in hex
  -  Classify error scenarios correctly
 
 platform/x86/intel/pmc:
  -  Fix PCH names in comments
 
 platform/x86/intel/sdsi:
  -  Add attribute to read the current meter state
  -  Add in-band BIOS lock support
  -  Combine read and write mailbox flows
  -  Set message size during writes
 
 platform/x86/intel/tpmi:
  -  Add additional TPMI header fields
  -  Align comments in kernel-doc
  -  Check major version change for TPMI Information
  -  Handle error from tpmi_process_info()
 
 quickstart:
  -  Fix race condition when reporting input event
  -  fix Kconfig selects
  -  Miscellaneous improvements
 
 samsung-laptop:
  -  Use sysfs_emit() to replace the old interface sprintf()
 
 think-lmi:
  -  Convert container_of() macros to static inline
 
 thinkpad_acpi:
  -  Use false to set acpi_send_ev to false
  -  Support hotkey to disable trackpoint doubletap
  -  Support for system debug info hotkey
  -  Support for trackpoint doubletap
  -  Simplify known_ev handling
  -  Add mappings for adaptive kbd clipping-tool and cloud keys
  -  Switch to using sparse-keymap helpers
  -  Drop KEY_RESERVED special handling
  -  Use correct keycodes for volume and brightness keys
  -  Change hotkey_reserved_mask initialization
  -  Do not send ACPI netlink events for unknown hotkeys
  -  Move tpacpi_driver_event() call to tpacpi_input_send_key()
  -  Move hkey > scancode mapping to tpacpi_input_send_key()
  -  Drop tpacpi_input_send_key_masked() and hotkey_driver_event()
  -  Always call tpacpi_driver_event() for hotkeys
  -  Move hotkey_user_mask check to tpacpi_input_send_key()
  -  Move special original hotkeys handling out of switch-case
  -  Move adaptive kbd event handling to tpacpi_driver_event()
  -  Make tpacpi_driver_event() return if it handled the event
  -  Do hkey to scancode translation later
  -  Use tpacpi_input_send_key() in adaptive kbd code
  -  Drop ignore_acpi_ev
  -  Drop setting send_/ignore_acpi_ev defaults twice
  -  Provide hotkey_poll_stop_sync() dummy
  -  Take hotkey_mutex during hotkey_exit()
  -  change sprintf() to sysfs_emit()
  -  use platform_profile_cycle()
 
 tools arch x86:
  -  Add dell-uart-backlight-emulator
 
 tools/arch/x86/intel_sdsi:
  -  Add current meter support
  -  Simplify ascii printing
  -  Fix meter_certificate decoding
  -  Fix meter_show display
  -  Fix maximum meter bundle length
 
 tools/power/x86/intel-speed-select:
  -  v1.19 release
  -  Display CPU as None for -1
  -  SST BF/TF support per level
  -  Increase number of CPUs displayed
  -  Present all TRL levels for turbo-freq
  -  Fix display for unsupported levels
  -  Support multiple dies
  -  Increase die count
 
 toshiba_acpi:
  -  Add quirk for buttons on Z830
 
 uv_sysfs:
  -  use sysfs_emit() instead of sprintf()
 
 wmi:
  -  Add MSI WMI Platform driver
  -  Add driver development guide
  -  Mark simple WMI drivers as legacy-free
  -  Avoid returning AE_OK upon unknown error
  -  Support reading/writing 16 bit EC values
 
 x86-android-tablets:
  -  Create LED device for Xiaomi Pad 2 bottom bezel touch buttons
  -  Xiaomi pad2 RGB LED fwnode updates
  -  Pass struct device to init()
  -  Add Lenovo Yoga Tablet 2 Pro 1380F/L data
  -  Unregister devices in reverse order
  -  Add swnode for Xiaomi pad2 indicator LED
  -  Use GPIO_LOOKUP() macro
 
 xiaomi-wmi:
  -  Drop unnecessary NULL checks
  -  Fix race condition when reporting key events
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Merge tag 'platform-drivers-x86-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:

 - New drivers/platform/arm64 directory for arm64 embedded-controller
   drivers

 - New drivers:
    - Acer Aspire 1 embedded controllers (for arm64 models)
    - ACPI quickstart PNP0C32 buttons
    - Dell All-In-One backlight support (dell-uart-backlight)
    - Lenovo WMI camera buttons
    - Lenovo Yoga Tablet 2 Pro 1380F/L fast charging
    - MeeGoPad ANX7428 Type-C Cross Switch (power sequencing only)
    - MSI WMI sensors (fan speed sensors only for now)

 - Asus WMI:
    - 2024 ROG Mini-LED support
    - MCU powersave support
    - Vivobook GPU MUX support
    - Misc. other improvements

 - Ideapad laptop:
    - Export FnLock LED as LED class device
    - Switch platform profiles using thermal management key

 - Intel drivers:
    - IFS: various improvements
    - PMC: Lunar Lake support
    - SDSI: various improvements
    - TPMI/ISST: various improvements
    - tools: intel-speed-select: various improvements

 - MS Surface drivers:
    - Fan profile switching support
    - Surface Pro thermal sensors support

 - ThinkPad ACPI:
    - Reworked hotkey support to use sparse keymaps
    - Add support for new trackpoint-doubletap, Fn+N and Fn+G hotkeys

 - WMI core:
    - New WMI driver development guide

 - x86 Android tablets:
    - Lenovo Yoga Tablet 2 Pro 1380F/L support
    - Xiaomi MiPad 2 status LED and bezel touch buttons backlight
      support

 - Miscellaneous cleanups / fixes / improvements

* tag 'platform-drivers-x86-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (128 commits)
  platform/x86: Add new MeeGoPad ANX7428 Type-C Cross Switch driver
  devm-helpers: Fix a misspelled cancellation in the comments
  tools arch x86: Add dell-uart-backlight-emulator
  platform/x86: Add new Dell UART backlight driver
  platform/x86: x86-android-tablets: Create LED device for Xiaomi Pad 2 bottom bezel touch buttons
  platform/x86: x86-android-tablets: Xiaomi pad2 RGB LED fwnode updates
  platform/x86: x86-android-tablets: Pass struct device to init()
  platform/x86/amd: pmc: Add new ACPI ID AMDI000B
  platform/x86/amd: pmf: Add new ACPI ID AMDI0105
  platform/x86: p2sb: Don't init until unassigned resources have been assigned
  platform/surface: aggregator: Log critical errors during SAM probing
  platform/x86: ISST: Support SST-BF and SST-TF per level
  platform/x86/fujitsu-laptop: Replace sprintf() with sysfs_emit()
  tools/power/x86/intel-speed-select: v1.19 release
  tools/power/x86/intel-speed-select: Display CPU as None for -1
  tools/power/x86/intel-speed-select: SST BF/TF support per level
  tools/power/x86/intel-speed-select: Increase number of CPUs displayed
  tools/power/x86/intel-speed-select: Present all TRL levels for turbo-freq
  tools/power/x86/intel-speed-select: Fix display for unsupported levels
  tools/power/x86/intel-speed-select: Support multiple dies
  ...
2024-05-16 09:14:50 -07:00
Linus Torvalds
db5d28c0bf drm for 6.10-rc1
new drivers:
 - panthor: ARM Mali/Immortalis CSF-based GPU driver
 
 core:
 - add a CONFIG_DRM_WERROR option
 - make more headers self-contained
 - grab resv lock in pin/unpin
 - fix vmap resv locking
 - EDID/eDP panel matching
 - Kconfig cleanups
 - DT sound bindings
 - Add SIZE_HINTS property for cursor planes
 - Add struct drm_edid_product_id and helpers.
 - Use drm device based logging in more drm functions.
 - drop seq_file.h from a bunch of places
 - use drm_edid driver conversions
 
 dp:
 - DP Tunnel documentation
 - MST read sideband cap
 - Adaptive sync SDP prep work
 
 ttm:
 - improve placement for TTM BOs in idle/busy handling
 
 panic:
 - Fixes for drm-panic, and option to test it.
 - Add drm panic to simpledrm, mgag200, imx, ast
 
 bridge:
 - improve init ordering
 - adv7511: allow GPIO pin sharing
 - tc358775: add tc358675 support
 
 panel:
 - AUO B120XAN01.0
 - Samsung s6e3fa7
 - BOE NT116WHM-N44
 - CMN N116BCA-EA1,
 - CrystalClear CMT430B19N00
 - Startek KD050HDFIA020-C020A
 - powertip PH128800T006-ZHC01
 - Innolux G121X1-L03
 - LG sw43408
 - Khadas TS050 V2
 - EDO RM69380 OLED
 - CSOT MNB601LS1-1
 
 amdgpu:
 - HDCP/ODM/RAS fixes
 - Devcoredump improvements
 - Expose VCN activity via sysfs
 - SMY 13.0.x updates
 - Enable fast updates on DCN 3.1.4
 - Add dclk and vclk reporting on additional devices
 - Add ACA RAS infrastructure
 - Implement TLB flush fence
 - EEPROM handling fixes
 - SMUIO 14.0.2 support
 - SMU 14.0.1 Updates
 - SMU 14.0.2 support
 - Sync page table freeing with TLB flushes
 - DML2 refactor
 - DC debug improvements
 - DCN 3.5.x Updates
 - GPU reset fixes
 - HDP fix for second GFX pipe on GC 10.x
 - Enable secondary GFX pipe on GC 10.3
 - Refactor and clean up BACO/BOCO/BAMACO handling
 - Remove invalid TTM resource start check
 - UAF fix in VA IOCTL
 - GPUVM page fault redirection to secondary IH rings for IH 6.x
 - Initial support for mapping kernel queues via MES
 - Fix VRAM memory accounting
 
 amdkfd:
 - MQD handling cleanup
 - Preemption handling fixes for XCDs
 - TLB flush fix for GC 9.4.2
 - Properly clean up workqueue during module unload
 - Fix memory leak process create failure
 - Range check CP bad op exception targets to avoid reporting invalid exceptions to userspace
 - Fix eviction fence handling
 - Fix leak in GPU memory allocation failure case
 - DMABuf import handling fix
 - Enable SQ watchpoint for gfx10
 
 i915:
 - Adding new DG2 PCI ID
 - add context hints for GT frequency
 - enable only one CCS for compute workloads
 - new workarounds
 - Fix UAF on destroy against retire race and remove two earlier partial fixes
 - Limit the reserved VM space to only the platforms that need it
 - Fix gt reset with GuC submission is disable
 - Add and use gt_to_guc() wrapper
 
 i915/xe display:
 - Lunar Lake display enabling, including cdclk and other refactors
 - BIOS/VBT/opregion related refactor
 - Digital port related refactor/clean-up
 - Fix 2s boot time regression on DP panel replay init
 - Remove duplication on audio enable/disable on SDVO and g4x+ DP
 - Disable AuxCCS framebuffers if built for Xe
 - Make crtc disable more atomic
 - Increase DP idle pattern wait timeout to 2ms
 - Start using container_of_const() for some extra const safety
 - Fix Jasper Lake boot freeze
 - Enable MST mode for 128b/132b single-stream sideband
 - Enable Adaptive Sync SDP Support for DP
 - Fix MTL supported DP rates - removal of UHBR13.5
 - PLL refactoring
 - Limit eDP MSO pipe only for display version 20
 - More display refactor towards independence from i915 dev_priv
 - Convert i915/xe fbdev to DRM client
 - More initial work to make display code more independent from i915
 
 xe:
 - improved error capture
 - clean up some uAPI leftovers
 - devcoredump update
 - Add BMG mocs table
 - Handle GSCCS ER interrupt
 - Implement xe2- and GuC workarounds
 - struct xe_device cleanup
 - Hwmon updates
 - Add LRC parsing for more GPU instruction
 - Increase VM_BIND number of per-ioctl Ops
 - drm/xe: Add XE_BO_GGTT_INVALIDATE flag
 - Initial development for SR-IOV support
 - Add new PCI IDs to DG2 platform
 - Move userptr over to start using hmm_range_fault
 
 msm:
 - Switched to generating register header files during build process
   instead of shipping pre-generated headers
 - Merged DPU and MDP4 format databases.
 - DP:
 - Stop using compat string to distinguish DP and eDP cases
 - Added support for X Elite platform (X1E80100)
 - Reworked DP aux/audio support
 - Added SM6350 DP to the bindings
 - GPU:
 - a7xx perfcntr reg fixes
 - MAINTAINERS updates
 - a750 devcoredump support
 
 radeon:
 - Silence UBSAN warnings related to flexible arrays
 
 nouveau:
 - move some uAPI objects to uapi headers
 
 omapdrm:
 - console fix
 
 ast:
 - add i2c polling
 
 qaic:
 - add debugfs entries
 
 exynos:
 - fix platform_driver .owner
 - drop cleanup code
 
 mediatek:
 - Use devm_platform_get_and_ioremap_resource() in mtk_hdmi_ddc_probe()
 - Add GAMMA 12-bit LUT support for MT8188
 - Rename mtk_drm_* to mtk_*
 - Drop driver owner initialization
 - Correct calculation formula of PHY Timing
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Merge tag 'drm-next-2024-05-15' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "This is the main pull request for the drm subsystems for 6.10.

  In drivers the main thing is a new driver for ARM Mali firmware based
  GPUs, otherwise there are a lot of changes to amdgpu/xe/i915/msm and
  scattered changes to everything else.

  In the core a bunch of headers and Kconfig was refactored, along with
  the addition of a new panic handler which is meant to provide a user
  friendly message when a panic happens and graphical display is
  enabled.

  New drivers:
   - panthor: ARM Mali/Immortalis CSF-based GPU driver

  Core:
   - add a CONFIG_DRM_WERROR option
   - make more headers self-contained
   - grab resv lock in pin/unpin
   - fix vmap resv locking
   - EDID/eDP panel matching
   - Kconfig cleanups
   - DT sound bindings
   - Add SIZE_HINTS property for cursor planes
   - Add struct drm_edid_product_id and helpers.
   - Use drm device based logging in more drm functions.
   - drop seq_file.h from a bunch of places
   - use drm_edid driver conversions

  dp:
   - DP Tunnel documentation
   - MST read sideband cap
   - Adaptive sync SDP prep work

  ttm:
   - improve placement for TTM BOs in idle/busy handling

  panic:
   - Fixes for drm-panic, and option to test it.
   - Add drm panic to simpledrm, mgag200, imx, ast

  bridge:
   - improve init ordering
   - adv7511: allow GPIO pin sharing
   - tc358775: add tc358675 support

  panel:
   - AUO B120XAN01.0
   - Samsung s6e3fa7
   - BOE NT116WHM-N44
   - CMN N116BCA-EA1,
   - CrystalClear CMT430B19N00
   - Startek KD050HDFIA020-C020A
   - powertip PH128800T006-ZHC01
   - Innolux G121X1-L03
   - LG sw43408
   - Khadas TS050 V2
   - EDO RM69380 OLED
   - CSOT MNB601LS1-1

  amdgpu:
   - HDCP/ODM/RAS fixes
   - Devcoredump improvements
   - Expose VCN activity via sysfs
   - SMY 13.0.x updates
   - Enable fast updates on DCN 3.1.4
   - Add dclk and vclk reporting on additional devices
   - Add ACA RAS infrastructure
   - Implement TLB flush fence
   - EEPROM handling fixes
   - SMUIO 14.0.2 support
   - SMU 14.0.1 Updates
   - SMU 14.0.2 support
   - Sync page table freeing with TLB flushes
   - DML2 refactor
   - DC debug improvements
   - DCN 3.5.x Updates
   - GPU reset fixes
   - HDP fix for second GFX pipe on GC 10.x
   - Enable secondary GFX pipe on GC 10.3
   - Refactor and clean up BACO/BOCO/BAMACO handling
   - Remove invalid TTM resource start check
   - UAF fix in VA IOCTL
   - GPUVM page fault redirection to secondary IH rings for IH 6.x
   - Initial support for mapping kernel queues via MES
   - Fix VRAM memory accounting

  amdkfd:
   - MQD handling cleanup
   - Preemption handling fixes for XCDs
   - TLB flush fix for GC 9.4.2
   - Properly clean up workqueue during module unload
   - Fix memory leak process create failure
   - Range check CP bad op exception targets to avoid reporting invalid exceptions to userspace
   - Fix eviction fence handling
   - Fix leak in GPU memory allocation failure case
   - DMABuf import handling fix
   - Enable SQ watchpoint for gfx10

  i915:
   - Adding new DG2 PCI ID
   - add context hints for GT frequency
   - enable only one CCS for compute workloads
   - new workarounds
   - Fix UAF on destroy against retire race and remove two earlier partial fixes
   - Limit the reserved VM space to only the platforms that need it
   - Fix gt reset with GuC submission is disable
   - Add and use gt_to_guc() wrapper

  i915/xe display:
   - Lunar Lake display enabling, including cdclk and other refactors
   - BIOS/VBT/opregion related refactor
   - Digital port related refactor/clean-up
   - Fix 2s boot time regression on DP panel replay init
   - Remove duplication on audio enable/disable on SDVO and g4x+ DP
   - Disable AuxCCS framebuffers if built for Xe
   - Make crtc disable more atomic
   - Increase DP idle pattern wait timeout to 2ms
   - Start using container_of_const() for some extra const safety
   - Fix Jasper Lake boot freeze
   - Enable MST mode for 128b/132b single-stream sideband
   - Enable Adaptive Sync SDP Support for DP
   - Fix MTL supported DP rates - removal of UHBR13.5
   - PLL refactoring
   - Limit eDP MSO pipe only for display version 20
   - More display refactor towards independence from i915 dev_priv
   - Convert i915/xe fbdev to DRM client
   - More initial work to make display code more independent from i915

  xe:
   - improved error capture
   - clean up some uAPI leftovers
   - devcoredump update
   - Add BMG mocs table
   - Handle GSCCS ER interrupt
   - Implement xe2- and GuC workarounds
   - struct xe_device cleanup
   - Hwmon updates
   - Add LRC parsing for more GPU instruction
   - Increase VM_BIND number of per-ioctl Ops
   - drm/xe: Add XE_BO_GGTT_INVALIDATE flag
   - Initial development for SR-IOV support
   - Add new PCI IDs to DG2 platform
   - Move userptr over to start using hmm_range_fault

  msm:
   - Switched to generating register header files during build process
     instead of shipping pre-generated headers
   - Merged DPU and MDP4 format databases.
   - DP:
     - Stop using compat string to distinguish DP and eDP cases
     - Added support for X Elite platform (X1E80100)
     - Reworked DP aux/audio support
     - Added SM6350 DP to the bindings
   - GPU:
     - a7xx perfcntr reg fixes
     - MAINTAINERS updates
     - a750 devcoredump support

  radeon:
   - Silence UBSAN warnings related to flexible arrays

  nouveau:
   - move some uAPI objects to uapi headers

  omapdrm:
   - console fix

  ast:
   - add i2c polling

  qaic:
   - add debugfs entries

  exynos:
   - fix platform_driver .owner
   - drop cleanup code

  mediatek:
   - Use devm_platform_get_and_ioremap_resource() in mtk_hdmi_ddc_probe()
   - Add GAMMA 12-bit LUT support for MT8188
   - Rename mtk_drm_* to mtk_*
   - Drop driver owner initialization
   - Correct calculation formula of PHY Timing"

* tag 'drm-next-2024-05-15' of https://gitlab.freedesktop.org/drm/kernel: (1477 commits)
  drm/xe/ads: Use flexible-array
  drm/xe: Use ordered WQ for G2H handler
  drm/msm/gen_header: allow skipping the validation
  drm/msm/a6xx: Cleanup indexed regs const'ness
  drm/msm: Add devcoredump support for a750
  drm/msm: Adjust a7xx GBIF debugbus dumping
  drm/msm: Update a6xx registers XML
  drm/msm: Fix imported a750 snapshot header for upstream
  drm/msm: Import a750 snapshot registers from kgsl
  MAINTAINERS: Add Konrad Dybcio as a reviewer for the Adreno driver
  MAINTAINERS: Add a separate entry for Qualcomm Adreno GPU drivers
  drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails
  drm/msm/adreno: fix CP cycles stat retrieval on a7xx
  drm/msm/a7xx: allow writing to CP_BV counter selection registers
  drm: zynqmp_dpsub: Always register bridge
  Revert "drm/bridge: ti-sn65dsi83: Fix enable error path"
  drm/fb_dma: Add checks in drm_fb_dma_get_scanout_buffer()
  drm/fbdev-generic: Do not set physical framebuffer address
  drm/panthor: Fix the FW reset logic
  drm/panthor: Make sure we handle 'unknown group state' case properly
  ...
2024-05-15 09:43:42 -07:00
Linus Torvalds
1b10b390d9 EFI updates for v6.10:
- Additional cleanup by Tim for the efivarfs variable name length
   confusion
 
 - Avoid freeing a bogus pointer when virtual remapping is omitted in the
   EFI boot stub
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Merge tag 'efi-next-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI updates from Ard Biesheuvel:
 "Only a handful of changes this cycle, consisting of cleanup work and a
  low-prio bugfix:

   - Additional cleanup by Tim for the efivarfs variable name length
     confusion

   - Avoid freeing a bogus pointer when virtual remapping is omitted in
     the EFI boot stub"

* tag 'efi-next-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi: libstub: only free priv.runtime_map when allocated
  efi: Clear up misconceptions about a maximum variable name size
  efivarfs: Remove unused internal struct members
  Documentation: Mark the 'efivars' sysfs interface as removed
  efi: pstore: Request at most 512 bytes for variable names
2024-05-14 15:19:26 -07:00
Hari Bathini
9dc1407859 powerpc/fadump: update documentation about bootargs_append
Update ABI documentation about the introduction of the new sysfs
entry bootargs_append. This sysfs entry will be used to setup the
additional parameters to be passed to dump capture kernel.

Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240510082114.561163-1-hbathini@linux.ibm.com
2024-05-10 22:35:18 +10:00
Yu Kuai
bf20ab538c blk-throttle: remove CONFIG_BLK_DEV_THROTTLING_LOW
One the one hand, it's marked EXPERIMENTAL since 2017, and looks like
there are no users since then, and no testers and no developers, it's
just not active at all.

On the other hand, even if the config is disabled, there are still many
fields in throtl_grp and throtl_data and many functions that are only
used for throtl low.

At last, currently blk-throtl is initialized during disk initialization,
and destroyed during disk removal, and it exposes many functions to be
called directly from block layer.

Remove throtl low to make code much more cleaner and follow up work much
easier.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20240509121107.3195568-2-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-05-09 09:44:55 -06:00
Chao Yu
c521a6ab4a f2fs: fix to limit gc_pin_file_threshold
type of f2fs_inode.i_gc_failures, f2fs_inode_info.i_gc_failures, and
f2fs_sb_info.gc_pin_file_threshold is __le16, unsigned int, and u64,
so it will cause truncation during comparison and persistence.

Unifying variable of these three variables to unsigned short, and
add an upper boundary limitation for gc_pin_file_threshold.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2024-05-09 01:03:44 +00:00
Stephen Rothwell
fae573060c Documentation: Fix the address of the linuxppc-dev mailing list
This list was moved many years ago.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240503121012.3ba5000b@canb.auug.org.au
2024-05-06 22:05:18 +10:00
SeongJae Park
eedbd23dca Docs/ABI/damon: update for 'youg page' type DAMOS filter
Update DAMON ABI document for the newly added DAMO filter type, 'young
page'.

Link: https://lkml.kernel.org/r/20240426195247.100306-8-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Honggyu Kim <honggyu.kim@sk.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-05-05 17:53:56 -07:00
Barry Song
42248b9d34 mm: add docs for per-order mTHP counters and transhuge_page ABI
This patch includes documentation for mTHP counters and an ABI file for
sys-kernel-mm-transparent-hugepage, which appears to have been missing for
some time.

[v-songbaohua@oppo.com: fix the name and unexpected indentation]
  Link: https://lkml.kernel.org/r/20240415054538.17071-1-21cnbao@gmail.com
Link: https://lkml.kernel.org/r/20240412114858.407208-4-21cnbao@gmail.com
Signed-off-by: Barry Song <v-songbaohua@oppo.com>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: Domenico Cerasuolo <cerasuolodomenico@gmail.com>
Cc: Kairui Song <kasong@tencent.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-05-05 17:53:36 -07:00
Ian Rogers
785623ee85 perf Document: Sysfs event names must be lower or upper case
To avoid directory scans in perf it is going to be assumed that sysfs
event names are either lower or upper case.

Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jing Zhang <renyu.zj@linux.alibaba.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20240502213507.2339733-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2024-05-03 17:08:20 -03:00
Christoph Hellwig
a4217c6740 block: add a partscan sysfs attribute for disks
Userspace had been unknowingly relying on a non-stable interface of
kernel internals to determine if partition scanning is enabled for a
given disk. Provide a stable interface for this purpose instead.

Cc: stable@vger.kernel.org # 6.3+
Depends-on: 140ce28dd3 ("block: add a disk_has_partscan helper")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/linux-block/ZhQJf8mzq_wipkBH@gardel-login/
Link: https://lore.kernel.org/r/20240502130033.1958492-3-hch@lst.de
[axboe: add links and commit message from Keith]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-05-03 09:00:07 -06:00
Greg Kroah-Hartman
d629cfcfed coresight: hwtracing subsystem updates for v6.10
CoreSight/hwtracing updates for the next release includes:
  - ACPI power management support for CoreSight legacy components, via migration
    from AMBA to platform device
  - Fixes for ETE register save/restore during CPU Idle.
  - ACPI support TMC for Scatter-Gather mode.
  - his_ptt driver update to set the parent device for PMU and documentation fixes
  - Qcomm Trace component DT binding fixes
  - Miscellaneous cleanups
 
 Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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Merge tag 'coresight-next-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next

Suzuki writes:

coresight: hwtracing subsystem updates for v6.10

CoreSight/hwtracing updates for the next release includes:
 - ACPI power management support for CoreSight legacy components, via migration
   from AMBA to platform device
 - Fixes for ETE register save/restore during CPU Idle.
 - ACPI support TMC for Scatter-Gather mode.
 - his_ptt driver update to set the parent device for PMU and documentation fixes
 - Qcomm Trace component DT binding fixes
 - Miscellaneous cleanups

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

* tag 'coresight-next-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux: (28 commits)
  hwtracing: hisi_ptt: Assign parent for event_source device
  Documentation: ABI + trace: hisi_ptt: update paths to bus/event_source
  coresight: tmc: Enable SG capability on ACPI based SoC-400 TMC ETR devices
  coresight:  Docs/ABI/testing/sysfs-bus-coresight-devices: Fix spelling errors
  coresight: tpiu: Convert to platform remove callback returning void
  coresight: tmc: Convert to platform remove callback returning void
  coresight: stm: Convert to platform remove callback returning void
  coresight: debug: Convert to platform remove callback returning void
  coresight: catu: Convert to platform remove callback returning void
  coresight: Remove duplicate linux/amba/bus.h header
  coresight: stm: Remove duplicate linux/acpi.h header
  coresight: etm4x: Fix access to resource selector registers
  coresight: etm4x: Safe access for TRCQCLTR
  coresight: etm4x: Do not save/restore Data trace control registers
  coresight: etm4x: Do not hardcode IOMEM access for register restore
  coresight: debug: Move ACPI support from AMBA driver to platform driver
  coresight: stm: Move ACPI support from AMBA driver to platform driver
  coresight: tmc: Move ACPI support from AMBA driver to platform driver
  coresight: tpiu: Move ACPI support from AMBA driver to platform driver
  coresight: catu: Move ACPI support from AMBA driver to platform driver
  ...
2024-05-03 07:13:54 +02:00
Martin Kurbanov
aa172ba739 leds: trigger: pattern: Add support for hrtimer
Currently, led pattern trigger uses timer_list to schedule brightness
changing. As we know from timer_list API [1], it's not accurate to
milliseconds and depends on HZ granularity.

Example:
"0 10 0 0 50 10 50 0 100 10 100 0 150 10 150 0 200 10 200 0 250 10 250 0",
we expect it to be 60ms long, but it can actually be up to ~120ms
(add ~10ms for each pattern when HZ == 100).

But sometimes, userspace needs time accurate led patterns to make sure
that pattern will be executed during expected time slot.
To achieve this goal the patch introduces optional hrtimer usage for
led trigger pattern, because hrtimer is microseconds accurate timer.

[1]: kernel/time/timer.c#L104

Signed-off-by: Martin Kurbanov <mmkurbanov@salutedevices.com>
Link: https://lore.kernel.org/r/20240416201847.357099-1-mmkurbanov@salutedevices.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-05-02 17:32:01 +01:00
Jonathan Cameron
1f82d58ddb Documentation: ABI + trace: hisi_ptt: update paths to bus/event_source
To allow for assigning a suitable parent to the struct pmu device
update the documentation to describe the device via the event_source
bus where it will remain accessible.

For the ABI documention file also rename the file as it is named
after the path.

Reviewed-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240412161057.14099-30-Jonathan.Cameron@huawei.com
2024-05-02 11:36:11 +01:00
Greg Kroah-Hartman
33075a03f4 MHI Host
========
 
 - Added a new API mhi_power_down_keep_dev() to not destroy the struct dev
   associated with the MHI channels during MHI power down. This is useful in
   scenarios such as system suspend/hibernation where the probability of
   channels coming back is very high. So the PM maintainer suggested not to
   destroy the struct dev in those cases.
 
   This API is introduced for fixing the failure reported in the ath11k driver
   during resume from system suspend.
 
   NOTE: Due to the API dependency, the patch adding the API is pushed to an
   immutable branch (mhi-immutable) and merged into both mhi and ath trees. But
   the merge commit is not visible in mhi tree due to git being smart with
   'fast-forward'.
 
 - Added an optional sysfs entry to force the MHI devices to enter the Emergency
   Download (EDL) mode to download the firmware from host.
 
 - Added EDL mode support for Qcom SDX75/65/55 modems as per the MHI spec v1.2,
   Chapter 13.2. This involves writing a cookie to the EDL doorbell registers and
   then triggering the device reset from host.
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Merge tag 'mhi-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next

Manivannan writes:

MHI Host
========

- Added a new API mhi_power_down_keep_dev() to not destroy the struct dev
  associated with the MHI channels during MHI power down. This is useful in
  scenarios such as system suspend/hibernation where the probability of
  channels coming back is very high. So the PM maintainer suggested not to
  destroy the struct dev in those cases.

  This API is introduced for fixing the failure reported in the ath11k driver
  during resume from system suspend.

  NOTE: Due to the API dependency, the patch adding the API is pushed to an
  immutable branch (mhi-immutable) and merged into both mhi and ath trees. But
  the merge commit is not visible in mhi tree due to git being smart with
  'fast-forward'.

- Added an optional sysfs entry to force the MHI devices to enter the Emergency
  Download (EDL) mode to download the firmware from host.

- Added EDL mode support for Qcom SDX75/65/55 modems as per the MHI spec v1.2,
  Chapter 13.2. This involves writing a cookie to the EDL doorbell registers and
  then triggering the device reset from host.

* tag 'mhi-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
  bus: mhi: host: pci_generic: Add generic edl_trigger to allow devices to enter EDL mode
  bus: mhi: host: Add a new API for getting channel doorbell offset
  bus: mhi: host: Add sysfs entry to force device to enter EDL
  bus: mhi: host: Add mhi_power_down_keep_dev() API to support system suspend/hibernation
2024-05-01 07:17:29 +02:00
Sourabh Jain
bc446c5aca powerpc/fadump: add hotplug_ready sysfs interface
The elfcorehdr describes the CPUs and memory of the crashed kernel to
the kernel that captures the dump, known as the second or fadump kernel.
The elfcorehdr needs to be updated if the system's memory changes due to
memory hotplug or online/offline events.

Currently, memory hotplug events are monitored in userspace by udev
rules, and fadump is re-registered, which recreates the elfcorehdr with
the latest available memory in the system.

However, the previous patch ("powerpc: make fadump resilient with memory
add/remove events") moved the creation of elfcorehdr to the second or
fadump kernel. This eliminates the need to regenerate the elfcorehdr
during memory hotplug or online/offline events.

Create a sysfs entry at /sys/kernel/fadump/hotplug_ready to let
userspace know that fadump re-registration is not required for memory
add/remove events.

Signed-off-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240422195932.1583833-3-sourabhjain@linux.ibm.com
2024-04-29 23:51:15 +10:00
Armin Wolf
9c0beb6b29 platform/x86: wmi: Add MSI WMI Platform driver
Add a new driver for the MSI WMI Platform interface. The underlying
ACPI WMI interface supports many features, but so far only reading
of fan speed sensors is implemented.

The driver was reverse-engineered based on a user request to the
lm-sensors project, see the github issue for details.

The ACPI WMI interface used by this driver seems to use the same
embedded controller interface as the msi-ec driver, but supports
automatic discovery of supported machines without relying on a
DMI whitelist.

The driver was tested by the user who created the github issue.

Closes: https://github.com/lm-sensors/lm-sensors/issues/475
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20240421191145.3189-1-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-04-29 12:06:21 +02:00
Remington Brasga
2d7e8a64a1 coresight: Docs/ABI/testing/sysfs-bus-coresight-devices: Fix spelling errors
Fix spelling and gramatical errors

Signed-off-by: Remington Brasga <rbrasga@uci.edu>
[ Adjusted title ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20240428011401.1080-1-rbrasga@uci.edu
2024-04-29 09:37:05 +01:00
Qiang Yu
17553ba8e1 bus: mhi: host: Add sysfs entry to force device to enter EDL
Add sysfs entry to allow users of MHI bus to force device to enter EDL
(Emergency Download) mode to download the device firmware. Since there is
no guarantee that all the devices will support EDL mode, the sysfs entry
is kept as an optional one and will appear only for the supported devices.

Controllers supporting the EDL mode are expected to provide edl_trigger()
callback that puts the device into EDL mode.

Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1713928915-18229-2-git-send-email-quic_qianyu@quicinc.com
[mani: fixed the kernel version and reworded the commit message]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
2024-04-25 20:16:42 +05:30
Nuno Sa
e77603d546 iio: dac: support the ad9739a RF DAC
The AD9739A is a 14-bit, 2.5 GSPS high performance RF DACs that are capable
of synthesizing wideband signals from DC up to 3 GHz.

A dual-port, source synchronous, LVDS interface simplifies the digital
interface with existing FGPA/ASIC technology. On-chip controllers are used
to manage external and internal clock domain variations over temperature to
ensure reliable data transfer from the host to the DAC core.

Co-developed-by: Dragos Bogdan <dragos.bogdan@analog.com>
Signed-off-by: Dragos Bogdan <dragos.bogdan@analog.com>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240419-iio-backend-axi-dac-v4-10-5ca45b4de294@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-04-20 15:41:32 +01:00
Tim Schumacher
5b625181fb Documentation: Mark the 'efivars' sysfs interface as removed
The 'efivars' sysfs interface was removed in commit 0f5b2c69a4 ("efi:
vars: Remove deprecated 'efivars' sysfs interface"), but the ABI
documentation was not updated properly.

Strip down the documentation file for /sys/firmware/efi/vars to a very
basic description of what the interface was about, add a section about
the rough removal timeline, and inform the reader about the intended
replacement.

Signed-off-by: Tim Schumacher <timschumi@gmx.de>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2024-04-13 10:33:02 +02:00
Thomas Hellström
79790b6818 Merge drm/drm-next into drm-xe-next
Backmerging drm-next in order to get up-to-date and in particular
to access commit 9ca5facd04.

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
2024-04-12 15:14:25 +02:00
Luke D. Jones
a94e8a56f9 platform/x86: asus-wmi: Add support for MCU powersave
Add support for an MCU powersave WMI call. This is intended to set the
MCU in to a low-power mode when sleeping. This mode can cut sleep power
use by around half.

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20240404001652.86207-9-luke@ljones.dev
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-04-08 18:30:27 +02:00
Luke D. Jones
e0ae0ecce4 platform/x86: asus-wmi: support toggling POST sound
Add support for toggling the BIOS POST sound on some ASUS laptops.

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20240404001652.86207-5-luke@ljones.dev
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-04-08 18:30:27 +02:00
Luke D. Jones
f81d13df1a platform/x86: asus-wmi: add support for 2024 ROG Mini-LED
Support the 2024 mini-led backlight and adjust the related functions
to select the relevant dev-id. Also add `available_mini_led_mode` to the
platform sysfs since the available mini-led levels can be different.

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20240404001652.86207-2-luke@ljones.dev
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-04-08 18:30:20 +02:00
Luca Weiss
aabc0aa90c Documentation: ABI: document in_temp_input file
For example the BMP280 barometric pressure sensor on Qualcomm
MSM8974-based Nexus 5 smartphone exposes such file in sysfs.
Document it.

Whilst here, fix up incorrect repeated use of X as a wildcard
for in_tempY_input.

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20240406-in_temp_input-v1-1-a1744a4a49e3@z3ntu.xyz
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-04-06 17:43:57 +01:00
Thomas Zimmermann
0d21364c6e Merge drm/drm-next into drm-misc-next
Backmerging to get v6.9-rc2 changes into drm-misc-next.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2024-04-02 09:51:30 +02:00
Karthik Poosa
345dadc4f6
drm/xe/hwmon: Add infra to support card power and energy attributes
Add infra to support card power and energy attributes through channel 0.
Package attributes will be now exposed through channel 1 rather than
channel 0 as shown below.

Channel 0 i.e power1/energy1_xxx used for card and
channel 1 i.e power2/energy2_xxx used for package power,energy attributes.

power1/curr1_crit and in0_input are moved to channel 1, i.e.
power2/curr2_crit and in1_input as these are available for package only.

This would be needed for future platforms where they might be
separate registers for package and card power and energy.

Each discrete GPU supported by Xe driver, would have a directory in
/sys/class/hwmon/ with multiple channels under it.
Each channel would have attributes for power, energy etc.

Ex: /sys/class/hwmon/hwmon2/power1_max
                           /power1_label
                           /energy1_input
                           /energy1_label

Attributes will have a label to get more description of it.
Labelling is as below.
		power1_label/energy1_label - "card",
		power2_label/energy2_label - "pkg".

v2: Fix checkpatch errors.

v3:
 - Update intel-xe-hwmon documentation. (Riana, Badal)
 - Rename hwmon card channel enum from CHANNEL_PLATFORM
   to CHANNEL_CARD. (Riana)

v4:
 - Remove unrelated changes from patch. (Anshuman)
 - Fix typo in commit msg.

v5:
 - Update commit message and intel-xe-hwmon documentation with "Xe"
   instead of xe when using it as a name. (Rodrigo)

Signed-off-by: Karthik Poosa <karthik.poosa@intel.com>
Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240328175435.3870957-1-karthik.poosa@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2024-03-29 11:27:21 -04:00
Adrián Larumbe
d180649238 ABI: sysfs-driver-panfrost-profiling: fix indentation problem
Also add a newline character at the end of the last one.

Fixes: b12f3ea7c1 ("drm/panfrost: Replace fdinfo's profiling debugfs knob with sysfs")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/dri-devel/20240326160110.4c00e1e5@canb.auug.org.au/
Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240326134812.4008775-1-adrian.larumbe@collabora.com
2024-03-28 15:34:39 +00:00
Javier Carrasco
31e7f6c015 usb: misc: onboard_hub: rename to onboard_dev
This patch prepares onboad_hub to support non-hub devices by renaming
the driver files and their content, the headers and their references.

The comments and descriptions have been slightly modified to keep
coherence and account for the specific cases that only affect onboard
hubs (e.g. peer-hub).

The "hub" variables in functions where "dev" (and similar names) variables
already exist have been renamed to onboard_dev for clarity, which adds a
few lines in cases where more than 80 characters are used.

No new functionality has been added.

Acked-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net>
Link: https://lore.kernel.org/r/20240325-onboard_xvf3500-v8-2-29e3f9222922@wolfvision.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-03-27 07:57:16 +01:00
Linus Torvalds
bb41fe35dc Char/Misc and other driver subsystem updates for 6.9-rc1
Here is the big set of char/misc and a number of other driver subsystem
 updates for 6.9-rc1.  Included in here are:
   - IIO driver updates, loads of new ones and evolution of existing ones
   - coresight driver updates
   - const cleanups for many driver subsystems
   - speakup driver additions
   - platform remove callback void cleanups
   - mei driver updates
   - mhi driver updates
   - cdx driver updates for MSI interrupt handling
   - nvmem driver updates
   - other smaller driver updates and cleanups, full details in the
     shortlog
 
 All of these have been in linux-next for a long time with no reported
 issue, other than a build warning with some older versions of gcc for a
 speakup driver, fix for that will come in a few days when I catch up
 with my pending patch queues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver subsystem updates from Greg KH:
 "Here is the big set of char/misc and a number of other driver
  subsystem updates for 6.9-rc1. Included in here are:

   - IIO driver updates, loads of new ones and evolution of existing ones

   - coresight driver updates

   - const cleanups for many driver subsystems

   - speakup driver additions

   - platform remove callback void cleanups

   - mei driver updates

   - mhi driver updates

   - cdx driver updates for MSI interrupt handling

   - nvmem driver updates

   - other smaller driver updates and cleanups, full details in the
    shortlog

  All of these have been in linux-next for a long time with no reported
  issue, other than a build warning for the speakup driver"

The build warning hits clang and is a gcc (and C23) extension, and is
fixed up in the merge.

Link: https://lore.kernel.org/all/20240321134831.GA2762840@dev-arch.thelio-3990X/

* tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (279 commits)
  binder: remove redundant variable page_addr
  uio_dmem_genirq: UIO_MEM_DMA_COHERENT conversion
  uio_pruss: UIO_MEM_DMA_COHERENT conversion
  cnic,bnx2,bnx2x: use UIO_MEM_DMA_COHERENT
  uio: introduce UIO_MEM_DMA_COHERENT type
  cdx: add MSI support for CDX bus
  pps: use cflags-y instead of EXTRA_CFLAGS
  speakup: Add /dev/synthu device
  speakup: Fix 8bit characters from direct synth
  parport: sunbpp: Convert to platform remove callback returning void
  parport: amiga: Convert to platform remove callback returning void
  char: xillybus: Convert to platform remove callback returning void
  vmw_balloon: change maintainership
  MAINTAINERS: change the maintainer for hpilo driver
  char: xilinx_hwicap: Fix NULL vs IS_ERR() bug
  hpet: remove hpets::hp_clocksource
  platform: goldfish: move the separate 'default' propery for CONFIG_GOLDFISH
  char: xilinx_hwicap: drop casting to void in dev_set_drvdata
  greybus: move is_gb_* functions out of greybus.h
  greybus: Remove usage of the deprecated ida_simple_xx() API
  ...
2024-03-21 13:21:31 -07:00
Linus Torvalds
e09bf86f3d USB/Thunderbolt changes for 6.9-rc1
Here is the big set of USB and Thunderbolt changes for 6.9-rc1.  Lots of
 tiny changes and forward progress to support new hardware and better
 support for existing devices.  Included in here are:
   - Thunderbolt (i.e. USB4) updates for newer hardware and uses as more
     people start to use the hardware
   - default USB authentication mode Kconfig and documentation update to
     make it more obvious what is going on
   - USB typec updates and enhancements
   - usual dwc3 driver updates
   - usual xhci driver updates
   - function USB (i.e. gadget) driver updates and additions
   - new device ids for lots of drivers
   - loads of other small updates, full details in the shortlog
 
 All of these, including a "last minute regression fix" have been in
 linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt changes for 6.9-rc1. Lots
  of tiny changes and forward progress to support new hardware and
  better support for existing devices. Included in here are:

   - Thunderbolt (i.e. USB4) updates for newer hardware and uses as more
     people start to use the hardware

   - default USB authentication mode Kconfig and documentation update to
     make it more obvious what is going on

   - USB typec updates and enhancements

   - usual dwc3 driver updates

   - usual xhci driver updates

   - function USB (i.e. gadget) driver updates and additions

   - new device ids for lots of drivers

   - loads of other small updates, full details in the shortlog

  All of these, including a "last minute regression fix" have been in
  linux-next with no reported issues"

* tag 'usb-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (185 commits)
  usb: usb-acpi: Fix oops due to freeing uninitialized pld pointer
  usb: gadget: net2272: Use irqflags in the call to net2272_probe_fin
  usb: gadget: tegra-xudc: Fix USB3 PHY retrieval logic
  phy: tegra: xusb: Add API to retrieve the port number of phy
  USB: gadget: pxa27x_udc: Remove unused of_gpio.h
  usb: gadget/snps_udc_plat: Remove unused of_gpio.h
  usb: ohci-pxa27x: Remove unused of_gpio.h
  usb: sl811-hcd: only defined function checkdone if QUIRK2 is defined
  usb: Clarify expected behavior of dev_bin_attrs_are_visible()
  xhci: Allow RPM on the USB controller (1022:43f7) by default
  usb: isp1760: remove SLAB_MEM_SPREAD flag usage
  usb: misc: onboard_hub: use pointer consistently in the probe function
  usb: gadget: fsl: Increase size of name buffer for endpoints
  usb: gadget: fsl: Add of device table to enable module autoloading
  usb: typec: tcpm: add support to set tcpc connector orientatition
  usb: typec: tcpci: add generic tcpci fallback compatible
  dt-bindings: usb: typec-tcpci: add tcpci fallback binding
  usb: gadget: fsl-udc: Replace custom log wrappers by dev_{err,warn,dbg,vdbg}
  usb: core: Set connect_type of ports based on DT node
  dt-bindings: usb: Add downstream facing ports to realtek binding
  ...
2024-03-21 12:35:20 -07:00
Linus Torvalds
c5d9ab85eb f2fs update for 6.9-rc1
In this round, there are a number of updates on mainly two areas: Zoned block
 device support and Per-file compression. For example, we've found several issues
 to support Zoned block device especially having large sections regarding to GC
 and file pinning used for Android devices. In compression side, we've fixed many
 corner race conditions that had broken the design assumption.
 
 Enhancement:
  - Support file pinning for Zoned block device having large section
  - Enhance the data recovery after sudden power cut on Zoned block device
  - Add more error injection cases to easily detect the kernel panics
  - add a proc entry show the entire disk layout
  - Improve various error paths paniced by BUG_ON in block allocation and GC
  - support SEEK_DATA and SEEK_HOLE for compression files
 
 Bug fix:
  - fix to avoid use-after-free issue in f2fs_filemap_fault
  - fix some race conditions to break the atomic write design assumption
  - fix to truncate meta inode pages forcely
  - resolve various per-file compression issues wrt the space management and
    compression policies
  - fix some swap-related bugs
 
 In addition, we removed deprecated codes such as io_bits and heap_allocation,
 and also fixed minor error handling routines with neat debugging messages.
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Merge tag 'f2fs-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs update from Jaegeuk Kim:
 "In this round, there are a number of updates on mainly two areas:
  Zoned block device support and Per-file compression. For example,
  we've found several issues to support Zoned block device especially
  having large sections regarding to GC and file pinning used for
  Android devices. In compression side, we've fixed many corner race
  conditions that had broken the design assumption.

  Enhancements:
   - Support file pinning for Zoned block device having large section
   - Enhance the data recovery after sudden power cut on Zoned block
     device
   - Add more error injection cases to easily detect the kernel panics
   - add a proc entry show the entire disk layout
   - Improve various error paths paniced by BUG_ON in block allocation
     and GC
   - support SEEK_DATA and SEEK_HOLE for compression files

  Bug fixes:
   - avoid use-after-free issue in f2fs_filemap_fault
   - fix some race conditions to break the atomic write design
     assumption
   - fix to truncate meta inode pages forcely
   - resolve various per-file compression issues wrt the space
     management and compression policies
   - fix some swap-related bugs

  In addition, we removed deprecated codes such as io_bits and
  heap_allocation, and also fixed minor error handling routines with
  neat debugging messages"

* tag 'f2fs-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (60 commits)
  f2fs: fix to avoid use-after-free issue in f2fs_filemap_fault
  f2fs: truncate page cache before clearing flags when aborting atomic write
  f2fs: mark inode dirty for FI_ATOMIC_COMMITTED flag
  f2fs: prevent atomic write on pinned file
  f2fs: fix to handle error paths of {new,change}_curseg()
  f2fs: unify the error handling of f2fs_is_valid_blkaddr
  f2fs: zone: fix to remove pow2 check condition for zoned block device
  f2fs: fix to truncate meta inode pages forcely
  f2fs: compress: fix reserve_cblocks counting error when out of space
  f2fs: compress: relocate some judgments in f2fs_reserve_compress_blocks
  f2fs: add a proc entry show disk layout
  f2fs: introduce SEGS_TO_BLKS/BLKS_TO_SEGS for cleanup
  f2fs: fix to check return value of f2fs_gc_range
  f2fs: fix to check return value __allocate_new_segment
  f2fs: fix to do sanity check in update_sit_entry
  f2fs: fix to reset fields for unloaded curseg
  f2fs: clean up new_curseg()
  f2fs: relocate f2fs_precache_extents() in f2fs_swap_activate()
  f2fs: fix blkofs_end correctly in f2fs_migrate_blocks()
  f2fs: ro: don't start discard thread for readonly image
  ...
2024-03-18 11:26:00 -07:00
Linus Torvalds
02c163e959 cxl for v6.9
- Supplement ACPI HMAT reported memory performance with native CXL
   memory performance enumeration
 
 - Add support for CXL error injection via the ACPI EINJ mechanism
 
 - Cleanup CXL DOE and CDAT integration
 
 - Miscellaneous cleanups and fixes
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Merge tag 'cxl-for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL updates from Dan Williams:
 "CXL has mechanisms to enumerate the performance characteristics of
  memory devices. Those mechanisms allow Linux to build the equivalent
  of ACPI SRAT, SLIT, and HMAT tables dynamically at runtime. That
  capability is necessary because static ACPI can not represent dynamic
  CXL configurations (and reconfigurations).

  So, building on the v6.8 work to add "Quality of Service" enumeration,
  this update plumbs CXL "access coordinates" (read/write access latency
  and bandwidth) in all the same places that ACPI HMAT feeds similar
  data. Follow-on patches from the -mm side can then use that data to
  feed mechanisms like mm/memory-tiers.c. Greg has acked the touch to
  drivers/base/.

  The other feature update this cycle is support for CXL error injection
  via the ACPI EINJ module. That facility enables injection of bus
  protocol errors provided the user knows the magic address values to
  insert in the interface. To hide that magic, and make this easier to
  use, new error injection attributes were added to CXL debugfs. That
  interface injects the errors relative to a CXL object rather than
  require user tooling to know how to lookup and inject RCRB (Root
  Complex Register Block) addresses into the raw EINJ debugfs interface.
  It received some helpful review comments from Tony, but no explicit
  acks from the ACPI side. The primary user visible change for existing
  EINJ users is that they may find that einj.ko was already loaded by
  cxl_core.ko. Previously, einj.ko was only loaded on demand.

  The usual collection of miscellaneous cleanups are also present this
  cycle.

  Summary:

   - Supplement ACPI HMAT reported memory performance with native CXL
     memory performance enumeration

   - Add support for CXL error injection via the ACPI EINJ mechanism

   - Cleanup CXL DOE and CDAT integration

   - Miscellaneous cleanups and fixes"

* tag 'cxl-for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (21 commits)
  Documentation/ABI/testing/debugfs-cxl: Fix "Unexpected indentation"
  lib/firmware_table: Provide buffer length argument to cdat_table_parse()
  cxl/pci: Get rid of pointer arithmetic reading CDAT table
  cxl/pci: Rename DOE mailbox handle to doe_mb
  cxl: Fix the incorrect assignment of SSLBIS entry pointer initial location
  cxl/core: Add CXL EINJ debugfs files
  EINJ, Documentation: Update EINJ kernel doc
  EINJ: Add CXL error type support
  EINJ: Migrate to a platform driver
  cxl/region: Deal with numa nodes not enumerated by SRAT
  cxl/region: Add memory hotplug notifier for cxl region
  cxl/region: Add sysfs attribute for locality attributes of CXL regions
  cxl/region: Calculate performance data for a region
  cxl: Set cxlmd->endpoint before adding port device
  cxl: Move QoS class to be calculated from the nearest CPU
  cxl: Split out host bridge access coordinates
  cxl: Split out combine_coordinates() for common shared usage
  ACPI: HMAT / cxl: Add retrieval of generic port coordinates for both access classes
  ACPI: HMAT: Introduce 2 levels of generic port access class
  base/node / ACPI: Enumerate node access class for 'struct access_coordinate'
  ...
2024-03-16 10:04:12 -07:00
Linus Torvalds
c8e7699616 This update includes the following changes:
API:
 
 - Avoid unnecessary copying in scomp for trivial SG lists.
 
 Algorithms:
 
 - Optimise NEON CCM implementation on ARM64.
 
 Drivers:
 
 - Add queue stop/query debugfs support in hisilicon/qm.
 -
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Merge tag 'v6.9-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:

   - Avoid unnecessary copying in scomp for trivial SG lists

  Algorithms:

   - Optimise NEON CCM implementation on ARM64

  Drivers:

   - Add queue stop/query debugfs support in hisilicon/qm

   - Intel qat updates and cleanups"

* tag 'v6.9-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (79 commits)
  Revert "crypto: remove CONFIG_CRYPTO_STATS"
  crypto: scomp - remove memcpy if sg_nents is 1 and pages are lowmem
  crypto: tcrypt - add ffdhe2048(dh) test
  crypto: iaa - fix the missing CRYPTO_ALG_ASYNC in cra_flags
  crypto: hisilicon/zip - fix the missing CRYPTO_ALG_ASYNC in cra_flags
  hwrng: hisi - use dev_err_probe
  MAINTAINERS: Remove T Ambarus from few mchp entries
  crypto: iaa - Fix comp/decomp delay statistics
  crypto: iaa - Fix async_disable descriptor leak
  dt-bindings: rng: atmel,at91-trng: add sam9x7 TRNG
  dt-bindings: crypto: add sam9x7 in Atmel TDES
  dt-bindings: crypto: add sam9x7 in Atmel SHA
  dt-bindings: crypto: add sam9x7 in Atmel AES
  crypto: remove CONFIG_CRYPTO_STATS
  crypto: dh - Make public key test FIPS-only
  crypto: rockchip - fix to check return value
  crypto: jitter - fix CRYPTO_JITTERENTROPY help text
  crypto: qat - make ring to service map common for QAT GEN4
  crypto: qat - fix ring to service map for dcc in 420xx
  crypto: qat - fix ring to service map for dcc in 4xxx
  ...
2024-03-15 14:46:54 -07:00
Linus Torvalds
6ce8b2ce0d fuse update for 6.9
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Merge tag 'fuse-update-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse

Pull fuse updates from Miklos Szeredi:

 - Add passthrough mode for regular file I/O.

   This allows performing read and write (also via memory maps) on a
   backing file without incurring the overhead of roundtrips to
   userspace. For now this is only allowed to privileged servers, but
   this limitation will go away in the future (Amir Goldstein)

 - Fix interaction of direct I/O mode with memory maps (Bernd Schubert)

 - Export filesystem tags through sysfs for virtiofs (Stefan Hajnoczi)

 - Allow resending queued requests for server crash recovery (Zhao Chen)

 - Misc fixes and cleanups

* tag 'fuse-update-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (38 commits)
  fuse: get rid of ff->readdir.lock
  fuse: remove unneeded lock which protecting update of congestion_threshold
  fuse: Fix missing FOLL_PIN for direct-io
  fuse: remove an unnecessary if statement
  fuse: Track process write operations in both direct and writethrough modes
  fuse: Use the high bit of request ID for indicating resend requests
  fuse: Introduce a new notification type for resend pending requests
  fuse: add support for explicit export disabling
  fuse: __kuid_val/__kgid_val helpers in fuse_fill_attr_from_inode()
  fuse: fix typo for fuse_permission comment
  fuse: Convert fuse_writepage_locked to take a folio
  fuse: Remove fuse_writepage
  virtio_fs: remove duplicate check if queue is broken
  fuse: use FUSE_ROOT_ID in fuse_get_root_inode()
  fuse: don't unhash root
  fuse: fix root lookup with nonzero generation
  fuse: replace remaining make_bad_inode() with fuse_make_bad()
  virtiofs: drop __exit from virtio_fs_sysfs_exit()
  fuse: implement passthrough for mmap
  fuse: implement splice read/write passthrough
  ...
2024-03-15 09:47:14 -07:00
Dan Williams
ed1ff2fba7 Merge branch 'for-6.9/cxl-einj' into for-6.9/cxl
Pick up documentation build fix for v6.9.
2024-03-14 19:05:27 -07:00
Linus Torvalds
902861e34c - Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
from hotplugged memory rather than only from main memory.  Series
   "implement "memmap on memory" feature on s390".
 
 - More folio conversions from Matthew Wilcox in the series
 
 	"Convert memcontrol charge moving to use folios"
 	"mm: convert mm counter to take a folio"
 
 - Chengming Zhou has optimized zswap's rbtree locking, providing
   significant reductions in system time and modest but measurable
   reductions in overall runtimes.  The series is "mm/zswap: optimize the
   scalability of zswap rb-tree".
 
 - Chengming Zhou has also provided the series "mm/zswap: optimize zswap
   lru list" which provides measurable runtime benefits in some
   swap-intensive situations.
 
 - And Chengming Zhou further optimizes zswap in the series "mm/zswap:
   optimize for dynamic zswap_pools".  Measured improvements are modest.
 
 - zswap cleanups and simplifications from Yosry Ahmed in the series "mm:
   zswap: simplify zswap_swapoff()".
 
 - In the series "Add DAX ABI for memmap_on_memory", Vishal Verma has
   contributed several DAX cleanups as well as adding a sysfs tunable to
   control the memmap_on_memory setting when the dax device is hotplugged
   as system memory.
 
 - Johannes Weiner has added the large series "mm: zswap: cleanups",
   which does that.
 
 - More DAMON work from SeongJae Park in the series
 
 	"mm/damon: make DAMON debugfs interface deprecation unignorable"
 	"selftests/damon: add more tests for core functionalities and corner cases"
 	"Docs/mm/damon: misc readability improvements"
 	"mm/damon: let DAMOS feeds and tame/auto-tune itself"
 
 - In the series "mm/mempolicy: weighted interleave mempolicy and sysfs
   extension" Rakie Kim has developed a new mempolicy interleaving policy
   wherein we allocate memory across nodes in a weighted fashion rather
   than uniformly.  This is beneficial in heterogeneous memory environments
   appearing with CXL.
 
 - Christophe Leroy has contributed some cleanup and consolidation work
   against the ARM pagetable dumping code in the series "mm: ptdump:
   Refactor CONFIG_DEBUG_WX and check_wx_pages debugfs attribute".
 
 - Luis Chamberlain has added some additional xarray selftesting in the
   series "test_xarray: advanced API multi-index tests".
 
 - Muhammad Usama Anjum has reworked the selftest code to make its
   human-readable output conform to the TAP ("Test Anything Protocol")
   format.  Amongst other things, this opens up the use of third-party
   tools to parse and process out selftesting results.
 
 - Ryan Roberts has added fork()-time PTE batching of THP ptes in the
   series "mm/memory: optimize fork() with PTE-mapped THP".  Mainly
   targeted at arm64, this significantly speeds up fork() when the process
   has a large number of pte-mapped folios.
 
 - David Hildenbrand also gets in on the THP pte batching game in his
   series "mm/memory: optimize unmap/zap with PTE-mapped THP".  It
   implements batching during munmap() and other pte teardown situations.
   The microbenchmark improvements are nice.
 
 - And in the series "Transparent Contiguous PTEs for User Mappings" Ryan
   Roberts further utilizes arm's pte's contiguous bit ("contpte
   mappings").  Kernel build times on arm64 improved nicely.  Ryan's series
   "Address some contpte nits" provides some followup work.
 
 - In the series "mm/hugetlb: Restore the reservation" Breno Leitao has
   fixed an obscure hugetlb race which was causing unnecessary page faults.
   He has also added a reproducer under the selftest code.
 
 - In the series "selftests/mm: Output cleanups for the compaction test",
   Mark Brown did what the title claims.
 
 - Kinsey Ho has added the series "mm/mglru: code cleanup and refactoring".
 
 - Even more zswap material from Nhat Pham.  The series "fix and extend
   zswap kselftests" does as claimed.
 
 - In the series "Introduce cpu_dcache_is_aliasing() to fix DAX
   regression" Mathieu Desnoyers has cleaned up and fixed rather a mess in
   our handling of DAX on archiecctures which have virtually aliasing data
   caches.  The arm architecture is the main beneficiary.
 
 - Lokesh Gidra's series "per-vma locks in userfaultfd" provides dramatic
   improvements in worst-case mmap_lock hold times during certain
   userfaultfd operations.
 
 - Some page_owner enhancements and maintenance work from Oscar Salvador
   in his series
 
 	"page_owner: print stacks and their outstanding allocations"
 	"page_owner: Fixup and cleanup"
 
 - Uladzislau Rezki has contributed some vmalloc scalability improvements
   in his series "Mitigate a vmap lock contention".  It realizes a 12x
   improvement for a certain microbenchmark.
 
 - Some kexec/crash cleanup work from Baoquan He in the series "Split
   crash out from kexec and clean up related config items".
 
 - Some zsmalloc maintenance work from Chengming Zhou in the series
 
 	"mm/zsmalloc: fix and optimize objects/page migration"
 	"mm/zsmalloc: some cleanup for get/set_zspage_mapping()"
 
 - Zi Yan has taught the MM to perform compaction on folios larger than
   order=0.  This a step along the path to implementaton of the merging of
   large anonymous folios.  The series is named "Enable >0 order folio
   memory compaction".
 
 - Christoph Hellwig has done quite a lot of cleanup work in the
   pagecache writeback code in his series "convert write_cache_pages() to
   an iterator".
 
 - Some modest hugetlb cleanups and speedups in Vishal Moola's series
   "Handle hugetlb faults under the VMA lock".
 
 - Zi Yan has changed the page splitting code so we can split huge pages
   into sizes other than order-0 to better utilize large folios.  The
   series is named "Split a folio to any lower order folios".
 
 - David Hildenbrand has contributed the series "mm: remove
   total_mapcount()", a cleanup.
 
 - Matthew Wilcox has sought to improve the performance of bulk memory
   freeing in his series "Rearrange batched folio freeing".
 
 - Gang Li's series "hugetlb: parallelize hugetlb page init on boot"
   provides large improvements in bootup times on large machines which are
   configured to use large numbers of hugetlb pages.
 
 - Matthew Wilcox's series "PageFlags cleanups" does that.
 
 - Qi Zheng's series "minor fixes and supplement for ptdesc" does that
   also.  S390 is affected.
 
 - Cleanups to our pagemap utility functions from Peter Xu in his series
   "mm/treewide: Replace pXd_large() with pXd_leaf()".
 
 - Nico Pache has fixed a few things with our hugepage selftests in his
   series "selftests/mm: Improve Hugepage Test Handling in MM Selftests".
 
 - Also, of course, many singleton patches to many things.  Please see
   the individual changelogs for details.
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Merge tag 'mm-stable-2024-03-13-20-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
   from hotplugged memory rather than only from main memory. Series
   "implement "memmap on memory" feature on s390".

 - More folio conversions from Matthew Wilcox in the series

	"Convert memcontrol charge moving to use folios"
	"mm: convert mm counter to take a folio"

 - Chengming Zhou has optimized zswap's rbtree locking, providing
   significant reductions in system time and modest but measurable
   reductions in overall runtimes. The series is "mm/zswap: optimize the
   scalability of zswap rb-tree".

 - Chengming Zhou has also provided the series "mm/zswap: optimize zswap
   lru list" which provides measurable runtime benefits in some
   swap-intensive situations.

 - And Chengming Zhou further optimizes zswap in the series "mm/zswap:
   optimize for dynamic zswap_pools". Measured improvements are modest.

 - zswap cleanups and simplifications from Yosry Ahmed in the series
   "mm: zswap: simplify zswap_swapoff()".

 - In the series "Add DAX ABI for memmap_on_memory", Vishal Verma has
   contributed several DAX cleanups as well as adding a sysfs tunable to
   control the memmap_on_memory setting when the dax device is
   hotplugged as system memory.

 - Johannes Weiner has added the large series "mm: zswap: cleanups",
   which does that.

 - More DAMON work from SeongJae Park in the series

	"mm/damon: make DAMON debugfs interface deprecation unignorable"
	"selftests/damon: add more tests for core functionalities and corner cases"
	"Docs/mm/damon: misc readability improvements"
	"mm/damon: let DAMOS feeds and tame/auto-tune itself"

 - In the series "mm/mempolicy: weighted interleave mempolicy and sysfs
   extension" Rakie Kim has developed a new mempolicy interleaving
   policy wherein we allocate memory across nodes in a weighted fashion
   rather than uniformly. This is beneficial in heterogeneous memory
   environments appearing with CXL.

 - Christophe Leroy has contributed some cleanup and consolidation work
   against the ARM pagetable dumping code in the series "mm: ptdump:
   Refactor CONFIG_DEBUG_WX and check_wx_pages debugfs attribute".

 - Luis Chamberlain has added some additional xarray selftesting in the
   series "test_xarray: advanced API multi-index tests".

 - Muhammad Usama Anjum has reworked the selftest code to make its
   human-readable output conform to the TAP ("Test Anything Protocol")
   format. Amongst other things, this opens up the use of third-party
   tools to parse and process out selftesting results.

 - Ryan Roberts has added fork()-time PTE batching of THP ptes in the
   series "mm/memory: optimize fork() with PTE-mapped THP". Mainly
   targeted at arm64, this significantly speeds up fork() when the
   process has a large number of pte-mapped folios.

 - David Hildenbrand also gets in on the THP pte batching game in his
   series "mm/memory: optimize unmap/zap with PTE-mapped THP". It
   implements batching during munmap() and other pte teardown
   situations. The microbenchmark improvements are nice.

 - And in the series "Transparent Contiguous PTEs for User Mappings"
   Ryan Roberts further utilizes arm's pte's contiguous bit ("contpte
   mappings"). Kernel build times on arm64 improved nicely. Ryan's
   series "Address some contpte nits" provides some followup work.

 - In the series "mm/hugetlb: Restore the reservation" Breno Leitao has
   fixed an obscure hugetlb race which was causing unnecessary page
   faults. He has also added a reproducer under the selftest code.

 - In the series "selftests/mm: Output cleanups for the compaction
   test", Mark Brown did what the title claims.

 - Kinsey Ho has added the series "mm/mglru: code cleanup and
   refactoring".

 - Even more zswap material from Nhat Pham. The series "fix and extend
   zswap kselftests" does as claimed.

 - In the series "Introduce cpu_dcache_is_aliasing() to fix DAX
   regression" Mathieu Desnoyers has cleaned up and fixed rather a mess
   in our handling of DAX on archiecctures which have virtually aliasing
   data caches. The arm architecture is the main beneficiary.

 - Lokesh Gidra's series "per-vma locks in userfaultfd" provides
   dramatic improvements in worst-case mmap_lock hold times during
   certain userfaultfd operations.

 - Some page_owner enhancements and maintenance work from Oscar Salvador
   in his series

	"page_owner: print stacks and their outstanding allocations"
	"page_owner: Fixup and cleanup"

 - Uladzislau Rezki has contributed some vmalloc scalability
   improvements in his series "Mitigate a vmap lock contention". It
   realizes a 12x improvement for a certain microbenchmark.

 - Some kexec/crash cleanup work from Baoquan He in the series "Split
   crash out from kexec and clean up related config items".

 - Some zsmalloc maintenance work from Chengming Zhou in the series

	"mm/zsmalloc: fix and optimize objects/page migration"
	"mm/zsmalloc: some cleanup for get/set_zspage_mapping()"

 - Zi Yan has taught the MM to perform compaction on folios larger than
   order=0. This a step along the path to implementaton of the merging
   of large anonymous folios. The series is named "Enable >0 order folio
   memory compaction".

 - Christoph Hellwig has done quite a lot of cleanup work in the
   pagecache writeback code in his series "convert write_cache_pages()
   to an iterator".

 - Some modest hugetlb cleanups and speedups in Vishal Moola's series
   "Handle hugetlb faults under the VMA lock".

 - Zi Yan has changed the page splitting code so we can split huge pages
   into sizes other than order-0 to better utilize large folios. The
   series is named "Split a folio to any lower order folios".

 - David Hildenbrand has contributed the series "mm: remove
   total_mapcount()", a cleanup.

 - Matthew Wilcox has sought to improve the performance of bulk memory
   freeing in his series "Rearrange batched folio freeing".

 - Gang Li's series "hugetlb: parallelize hugetlb page init on boot"
   provides large improvements in bootup times on large machines which
   are configured to use large numbers of hugetlb pages.

 - Matthew Wilcox's series "PageFlags cleanups" does that.

 - Qi Zheng's series "minor fixes and supplement for ptdesc" does that
   also. S390 is affected.

 - Cleanups to our pagemap utility functions from Peter Xu in his series
   "mm/treewide: Replace pXd_large() with pXd_leaf()".

 - Nico Pache has fixed a few things with our hugepage selftests in his
   series "selftests/mm: Improve Hugepage Test Handling in MM
   Selftests".

 - Also, of course, many singleton patches to many things. Please see
   the individual changelogs for details.

* tag 'mm-stable-2024-03-13-20-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (435 commits)
  mm/zswap: remove the memcpy if acomp is not sleepable
  crypto: introduce: acomp_is_async to expose if comp drivers might sleep
  memtest: use {READ,WRITE}_ONCE in memory scanning
  mm: prohibit the last subpage from reusing the entire large folio
  mm: recover pud_leaf() definitions in nopmd case
  selftests/mm: skip the hugetlb-madvise tests on unmet hugepage requirements
  selftests/mm: skip uffd hugetlb tests with insufficient hugepages
  selftests/mm: dont fail testsuite due to a lack of hugepages
  mm/huge_memory: skip invalid debugfs new_order input for folio split
  mm/huge_memory: check new folio order when split a folio
  mm, vmscan: retry kswapd's priority loop with cache_trim_mode off on failure
  mm: add an explicit smp_wmb() to UFFDIO_CONTINUE
  mm: fix list corruption in put_pages_list
  mm: remove folio from deferred split list before uncharging it
  filemap: avoid unnecessary major faults in filemap_fault()
  mm,page_owner: drop unnecessary check
  mm,page_owner: check for null stack_record before bumping its refcount
  mm: swap: fix race between free_swap_and_cache() and swapoff()
  mm/treewide: align up pXd_leaf() retval across archs
  mm/treewide: drop pXd_large()
  ...
2024-03-14 17:43:30 -07:00
Dan Williams
edc1243437 Documentation/ABI/testing/debugfs-cxl: Fix "Unexpected indentation"
Stephen reported that an htmldocs build hit:

   Documentation/ABI/testing/debugfs-cxl:38: ERROR: Unexpected indentation.

It turns out that line was fine but the tool was unhappy about some line
breaks in the table of values to error types.

It turns out that:

   make V=1 SPHINXDIRS="admin-guide" htmldocs

...can not be used to get more info about what is behind a documentation
build error. It was only pure luck that reflowing the text resulted in
an error message that seemed a imply a problem later on with line breaks
around the table.

Fixes: 8039804cfa ("cxl/core: Add CXL EINJ debugfs files")
Cc: Jonathan Corbet <corbet@lwn.net>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: http://lore.kernel.org/r/20240314141313.7ba04aff@canb.auug.org.au
Cc: Ben Cheatham <Benjamin.Cheatham@amd.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2024-03-14 17:34:26 -07:00
Linus Torvalds
fe46a7dd18 sound updates for 6.9-rc1
This was a relatively calm development cycle.  Most of changes are
 rather small device-specific fixes and enhancements.  The only
 significant changes in ALSA core are code refactoring with the recent
 cleanup infrastructure, which should bring no functionality changes.
 Some highlights below:
 
 Core:
 - Lots of cleanups in ALSA core code with automatic kfree cleanup
   and locking guard macros
 - New ALSA core kunit test
 
 ASoC:
 - SoundWire support for AMD ACP 6.3 systems
 - Support for reporting version information for AVS firmware
 - Support DSPless mode for Intel Soundwire systems
 - Support for configuring CS35L56 amplifiers using EFI calibration
    data
 - Log which component is being operated on as part of power management
    trace events.
 - Support for Microchip SAM9x7, NXP i.MX95 and Qualcomm WCD939x
 
 HD- and USB-audio:
 - More Cirrus HD-audio codec support
 - TAS2781 HD-audio codec fixes
 - Scarlett2 mixer fixes
 
 Others:
 - Enhancement of virtio driver for audio control supports
 - Cleanups of legacy PM code with new macros
 - Firewire sound updates
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Merge tag 'sound-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This was a relatively calm development cycle. Most of changes are
  rather small device-specific fixes and enhancements. The only
  significant changes in ALSA core are code refactoring with the recent
  cleanup infrastructure, which should bring no functionality changes.
  Some highlights below:

  Core:
   - Lots of cleanups in ALSA core code with automatic kfree cleanup and
     locking guard macros
   - New ALSA core kunit test

  ASoC:
   - SoundWire support for AMD ACP 6.3 systems
   - Support for reporting version information for AVS firmware
   - Support DSPless mode for Intel Soundwire systems
   - Support for configuring CS35L56 amplifiers using EFI calibration
     data
   - Log which component is being operated on as part of power
     management trace events.
   - Support for Microchip SAM9x7, NXP i.MX95 and Qualcomm WCD939x

  HD- and USB-audio:
   - More Cirrus HD-audio codec support
   - TAS2781 HD-audio codec fixes
   - Scarlett2 mixer fixes

  Others:
   - Enhancement of virtio driver for audio control supports
   - Cleanups of legacy PM code with new macros
   - Firewire sound updates"

* tag 'sound-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (307 commits)
  ALSA: usb-audio: Stop parsing channels bits when all channels are found.
  ALSA: hda/tas2781: remove unnecessary runtime_pm calls
  ALSA: hda/realtek - ALC236 fix volume mute & mic mute LED on some HP models
  ALSA: aaci: Delete unused variable in aaci_do_suspend
  ALSA: scarlett2: Fix Scarlett 4th Gen input gain range again
  ALSA: scarlett2: Fix Scarlett 4th Gen input gain range
  ALSA: scarlett2: Fix Scarlett 4th Gen autogain status values
  ALSA: scarlett2: Fix Scarlett 4th Gen 4i4 low-voltage detection
  ALSA: hda/tas2781: restore power state after system_resume
  ALSA: hda/tas2781: do not call pm_runtime_force_* in system_resume/suspend
  ALSA: hda/tas2781: do not reset cur_* values in runtime_suspend
  ALSA: hda/tas2781: add lock to system_suspend
  ALSA: hda/tas2781: use dev_dbg in system_resume
  ALSA: hda/realtek: fix ALC285 issues on HP Envy x360 laptops
  platform/x86: serial-multi-instantiate: Add support for CS35L54 and CS35L57
  ALSA: hda: cs35l56: Add support for CS35L54 and CS35L57
  ASoC: cs35l56: Add support for CS35L54 and CS35L57
  ASoC: Intel: catpt: Carefully use PCI bitwise constants
  ALSA: hda: hda_component: Include sound/hda_codec.h
  ALSA: hda: hda_component: Add missing #include guards
  ...
2024-03-14 11:10:43 -07:00
Linus Torvalds
705c1da8fa pci-v6.9-changes
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Merge tag 'pci-v6.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull PCI updates from Bjorn Helgaas:
 "Enumeration:

   - Consolidate interrupt related code in irq.c (Ilpo Järvinen)

   - Reduce kernel size by replacing sysfs resource macros with
     functions (Ilpo Järvinen)

   - Reduce kernel size by compiling sysfs support only when
     CONFIG_SYSFS=y (Lukas Wunner)

   - Avoid using Extended Tags on 3ware-9650SE Root Port to work around
     an apparent hardware defect (Jörg Wedekind)

  Resource management:

   - Fix an MMIO mapping leak in pci_iounmap() (Philipp Stanner)

   - Move pci_iomap.c and other PCI-specific devres code to drivers/pci
     (Philipp Stanner)

   - Consolidate PCI devres code in devres.c (Philipp Stanner)

  Power management:

   - Avoid D3cold on Asus B1400 PCI-NVMe bridge, where firmware doesn't
     know how to return correctly to D0, and remove previous quirk that
     wasn't as specific (Daniel Drake)

   - Allow runtime PM when the driver enables it but doesn't need any
     runtime PM callbacks (Raag Jadav)

   - Drain runtime-idle callbacks before driver removal to avoid races
     between .remove() and .runtime_idle(), which caused intermittent
     page faults when the rtsx .runtime_idle() accessed registers that
     its .remove() had already unmapped (Rafael J. Wysocki)

  Virtualization:

   - Avoid Secondary Bus Reset on LSI FW643 so it can be assigned to VMs
     with VFIO, e.g., for professional audio software on many Apple
     machines, at the cost of leaking state between VMs (Edmund Raile)

  Error handling:

   - Print all logged TLP Prefixes, not just the first, after AER or DPC
     errors (Ilpo Järvinen)

   - Quirk the DPC PIO log size for Intel Raptor Lake Root Ports, which
     still don't advertise a legal size (Paul Menzel)

   - Ignore expected DPC Surprise Down errors on hot removal (Smita
     Koralahalli)

   - Block runtime suspend while handling AER errors to avoid races that
     prevent the device form being resumed from D3hot (Stanislaw
     Gruszka)

  Peer-to-peer DMA:

   - Use atomic XA allocation in RCU read section (Christophe JAILLET)

  ASPM:

   - Collect bits of ASPM-related code that we need even without
     CONFIG_PCIEASPM into aspm.c (David E. Box)

   - Save/restore L1 PM Substates config for suspend/resume (David E.
     Box)

   - Update save_save when ASPM config is changed, so a .slot_reset()
     during error recovery restores the changed config, not the
     .probe()-time config (Vidya Sagar)

  Endpoint framework:

   - Refactor and improve pci_epf_alloc_space() API (Niklas Cassel)

   - Clean up endpoint BAR descriptions (Niklas Cassel)

   - Fix ntb_register_device() name leak in error path (Yang Yingliang)

   - Return actual error code for pci_vntb_probe() failure (Yang
     Yingliang)

  Broadcom STB PCIe controller driver:

   - Fix MDIO write polling, which previously never waited for
     completion (Jonathan Bell)

  Cadence PCIe endpoint driver:

   - Clear the ARI "Next Function Number" of last function (Jasko-EXT
     Wojciech)

  Freescale i.MX6 PCIe controller driver:

   - Simplify by replacing switch statements with function pointers for
     different hardware variants (Frank Li)

   - Simplify by using clk_bulk*() API (Frank Li)

   - Remove redundant DT clock and reg/reg-name details (Frank Li)

   - Add i.MX95 DT and driver support for both Root Complex and Endpoint
     mode (Frank Li)

  Microsoft Hyper-V host bridge driver:

   - Reduce memory usage by limiting ring buffer size to 16KB instead of
     4 pages (Michael Kelley)

  Qualcomm PCIe controller driver:

   - Add X1E80100 DT and driver support (Abel Vesa)

   - Add DT 'required-opps' for SoCs that require a minimum performance
     level (Johan Hovold)

   - Make DT 'msi-map-mask' optional, depending on how MSI interrupts
     are mapped (Johan Hovold)

   - Disable ASPM L0s for sc8280xp, sa8540p and sa8295p because the PHY
     configuration isn't tuned correctly for L0s (Johan Hovold)

   - Split dt-binding qcom,pcie.yaml into qcom,pcie-common.yaml and
     separate files for SA8775p, SC7280, SC8180X, SC8280XP, SM8150,
     SM8250, SM8350, SM8450, SM8550 for easier reviewing (Krzysztof
     Kozlowski)

   - Enable BDF to SID translation by disabling bypass mode (Manivannan
     Sadhasivam)

   - Add endpoint MHI support for Snapdragon SA8775P SoC (Mrinmay
     Sarkar)

  Synopsys DesignWare PCIe controller driver:

   - Allocate 64-bit MSI address if no 32-bit address is available (Ajay
     Agarwal)

   - Fix endpoint Resizable BAR to actually advertise the required 1MB
     size (Niklas Cassel)

  MicroSemi Switchtec management driver:

   - Release resources if the .probe() fails (Christophe JAILLET)

  Miscellaneous:

   - Make pcie_port_bus_type const (Ricardo B. Marliere)"

* tag 'pci-v6.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (77 commits)
  PCI/ASPM: Update save_state when configuration changes
  PCI/ASPM: Disable L1 before configuring L1 Substates
  PCI/ASPM: Call pci_save_ltr_state() from pci_save_pcie_state()
  PCI/ASPM: Save L1 PM Substates Capability for suspend/resume
  PCI: hv: Fix ring buffer size calculation
  PCI: dwc: endpoint: Fix advertised resizable BAR size
  PCI: cadence: Clear the ARI Capability Next Function Number of the last function
  PCI: dwc: Strengthen the MSI address allocation logic
  PCI: brcmstb: Fix broken brcm_pcie_mdio_write() polling
  PCI: qcom: Add X1E80100 PCIe support
  dt-bindings: PCI: qcom: Document the X1E80100 PCIe Controller
  PCI: qcom: Enable BDF to SID translation properly
  PCI/AER: Generalize TLP Header Log reading
  PCI/AER: Use explicit register size for PCI_ERR_CAP
  PCI: qcom: Disable ASPM L0s for sc8280xp, sa8540p and sa8295p
  dt-bindings: PCI: qcom: Do not require 'msi-map-mask'
  dt-bindings: PCI: qcom: Allow 'required-opps'
  PCI/AER: Block runtime suspend when handling errors
  PCI/ASPM: Move pci_save_ltr_state() to aspm.c
  PCI/ASPM: Always build aspm.c
  ...
2024-03-14 10:58:27 -07:00
Linus Torvalds
f5c31bcf60 - Core Frameworks
- Introduce ExpressWire library
 
  - New Drivers
    - Add support for ON Semiconductor NCP5623 RGB LED Driver
 
  - New Device Support
    - Add support for PM660L to Qualcomm's LPG driver
 
  - New Functionality
    - Dynamically load modules required for the default-trigger
    - Add some support for suspend and resume
    - Allow LEDs to remain lit during suspend
 
  - Fix-ups
    - Device Tree binding adaptions/conversions/creation
    - Fix include lists; alphabetise, remove unused, explicitly add used
    - Add new led_match_default_trigger to avoid duplication
    - Add module alias' to aid auto-loading
    - Default to hw_control if no others are specified
    - De-bloat the supported link speed attribute lists
    - Remove superfluous code and simplify overall
    - Constify some variables
 
  - Bug Fixes
    - Prevent kernel panic when renaming the net interface
    - Fix Kconfig related build errors
    - Ensure mutexes are unlocked prior to destroying them
    - Provide clean-up between state changes to avoid invalid state
    - Fix some broken kernel-doc headers
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Merge tag 'leds-next-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "Core Framework:
   - Introduce ExpressWire library

  New Drivers:
   - Add support for ON Semiconductor NCP5623 RGB LED Driver

  New Device Support:
   - Add support for PM660L to Qualcomm's LPG driver

  New Functionality:
   - Dynamically load modules required for the default-trigger
   - Add some support for suspend and resume
   - Allow LEDs to remain lit during suspend

  Fix-ups:
   - Device Tree binding adaptions/conversions/creation
   - Fix include lists; alphabetise, remove unused, explicitly add used
   - Add new led_match_default_trigger to avoid duplication
   - Add module alias' to aid auto-loading
   - Default to hw_control if no others are specified
   - De-bloat the supported link speed attribute lists
   - Remove superfluous code and simplify overall
   - Constify some variables

  Bug Fixes:
   - Prevent kernel panic when renaming the net interface
   - Fix Kconfig related build errors
   - Ensure mutexes are unlocked prior to destroying them
   - Provide clean-up between state changes to avoid invalid state
   - Fix some broken kernel-doc headers"

* tag 'leds-next-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (41 commits)
  leds: ncp5623: Add MS suffix to time defines
  leds: Add NCP5623 multi-led driver
  dt-bindings: leds: Add NCP5623 multi-LED Controller
  leds: mlxreg: Drop an excess struct mlxreg_led_data member
  leds: leds-mlxcpld: Fix struct mlxcpld_led_priv member name
  leds: lm3601x: Fix struct lm3601_led kernel-doc warnings
  leds: Fix ifdef check for gpio_led_register_device()
  dt-bindings: leds: qcom-lpg: Narrow nvmem for other variants
  dt-bindings: leds: qcom-lpg: Drop redundant qcom,pm8550-pwm in if:then:
  dt-bindings: leds: Add LED_FUNCTION_WAN_ONLINE for Internet access
  leds: sgm3140: Add missing timer cleanup and flash gpio control
  leds: expresswire: Don't depend on NEW_LEDS
  Revert "leds: Only descend into leds directory when CONFIG_NEW_LEDS is set"
  leds: aw2013: Unlock mutex before destroying it
  leds: qcom-lpg: Add QCOM_PBS dependency
  leds: rgb: leds-group-multicolor: Allow LEDs to stay on in suspend
  leds: trigger: netdev: Fix kernel panic on interface rename trig notify
  leds: qcom-lpg: Add PM660L configuration and compatible
  leds: spi-byte: Use devm_led_classdev_register_ext()
  leds: pca963x: Add support for suspend and resume
  ...
2024-03-14 10:38:25 -07:00
Linus Torvalds
15223fdbdf hwmon updates for v6.9
* New drivers for
 
   - Amphenol ChipCap 2
 
   - ASPEED g6 PWM/Fan tach
 
   - Astera Labs PT5161L retimer
 
   - ASUS ROG RYUJIN II 360 AIO cooler
 
   - LTC4282
 
   - Microsoft Surface devices
 
   - MPS MPQ8785 Synchronous Step-Down Converter
 
   - NZXT Kraken X and Z series AIO CPU coolers
 
 * Additional chip support in existing drivers
 
   - Ayaneo Air Plus 7320u (oxp-sensors)
 
   - INA260 (ina2xx)
 
   - XPS 9315 (dell-smm)
 
   - MSI customer ID (nct6683)
 
 * Devicetree bindings updates
 
   - Common schema for hardware monitoring devices
 
   - Common schema for fans
 
   - Update chip descriptions to use common schema
 
   - Document regulator properties in several drivers
 
   - Explicit bindings for infineon buck converters
 
 * Other improvements
 
   - Replaced rbtree with maple tree register cache in several drivers
 
   - Added support for humidity min/max alarm and volatage fault attributes
     to hwmon core
 
   - Dropped non-functional I2C_CLASS_HWMON support for drivers w/o detect()
 
   - Dropped obsolete and redundant entried from MAINTAINERS
 
   - Cleaned up axi-fan-control and coretemp drivers
 
   - Minor fixes and improvements in several other drivers
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Merge tag 'hwmon-for-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:
   - Amphenol ChipCap 2
   - ASPEED g6 PWM/Fan tach
   - Astera Labs PT5161L retimer
   - ASUS ROG RYUJIN II 360 AIO cooler
   - LTC4282
   - Microsoft Surface devices
   - MPS MPQ8785 Synchronous Step-Down Converter
   - NZXT Kraken X and Z series AIO CPU coolers

  Additional chip support in existing drivers:
   - Ayaneo Air Plus 7320u (oxp-sensors)
   - INA260 (ina2xx)
   - XPS 9315 (dell-smm)
   - MSI customer ID (nct6683)

  Devicetree bindings updates:
   - Common schema for hardware monitoring devices
   - Common schema for fans
   - Update chip descriptions to use common schema
   - Document regulator properties in several drivers
   - Explicit bindings for infineon buck converters

  Other improvements:
   - Replaced rbtree with maple tree register cache in several drivers
   - Added support for humidity min/max alarm and volatage fault
     attributes to hwmon core
   - Dropped non-functional I2C_CLASS_HWMON support for drivers w/o
     detect()
   - Dropped obsolete and redundant entried from MAINTAINERS
   - Cleaned up axi-fan-control and coretemp drivers
   - Minor fixes and improvements in several other drivers"

* tag 'hwmon-for-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (70 commits)
  hwmon: (dell-smm) Add XPS 9315 to fan control whitelist
  hwmon: (aspeed-g6-pwm-tacho): Support for ASPEED g6 PWM/Fan tach
  dt-bindings: hwmon: Support Aspeed g6 PWM TACH Control
  dt-bindings: hwmon: fan: Add fan binding to schema
  dt-bindings: hwmon: tda38640: Add interrupt & regulator properties
  hwmon: (amc6821) add of_match table
  dt-bindings: hwmon: lm75: use common hwmon schema
  hwmon: (sis5595) drop unused DIV_TO_REG function
  dt-bindings: hwmon: reference common hwmon schema
  dt-bindings: hwmon: lltc,ltc4286: use common hwmon schema
  dt-bindings: hwmon: adi,adm1275: use common hwmon schema
  dt-bindings: hwmon: ti,ina2xx: use common hwmon schema
  dt-bindings: hwmon: add common properties
  hwmon: (pmbus/ir38064) Use PMBUS_REGULATOR_ONE to declare regulator
  hwmon: (pmbus/lm25066) Use PMBUS_REGULATOR_ONE to declare regulator
  hwmon: (pmbus/tda38640) Use PMBUS_REGULATOR_ONE to declare regulator
  regulator: dt-bindings: promote infineon buck converters to their own binding
  dt-bindings: hwmon/pmbus: ti,lm25066: document regulators
  dt-bindings: hwmon: nuvoton,nct6775: Add compatible value for NCT6799
  MAINTAINERS: Drop redundant hwmon entries
  ...
2024-03-13 11:26:58 -07:00
Linus Torvalds
69afef4af4 gpio updates for v6.9
Serialization rework:
 - use SRCU to serialize access to the global GPIO device list, to GPIO device
   structs themselves and to GPIO descriptors
 - make the GPIO subsystem resilient to the GPIO providers being unbound while
   the API calls are in progress
 - don't dereference the SRCU-protected chip pointer if the information we need
   can be obtained from the GPIO device structure
 - move some of the information contained in struct gpio_chip to struct
   gpio_device to further reduce the need to dereference the former
 - pass the GPIO device struct instead of the GPIO chip to sysfs callback to,
   again, reduce the need for accessing the latter
 - get GPIO descriptors from the GPIO device, not from the chip for the same
   reason
 - allow for mostly lockless operation of the GPIO driver API: assure
   consistency with SRCU and atomic operations
 - remove the global GPIO spinlock
 - remove the character device RW semaphore
 
 Core GPIOLIB:
 - constify pointers in GPIO API where applicable
 - unify the GPIO counting APIs for ACPI and OF
 - provide a macro for iterating over all GPIOs, not only the ones that are
   requested
 - remove leftover typedefs
 - pass the consumer device to GPIO core in devm_fwnode_gpiod_get_index() for
   improved logging
 - constify the GPIO bus type
 - don't warn about removing GPIO chips with descriptors still held by users as
   we can now handle this situation gracefully
 - remove unused logging helpers
 - unexport functions that are only used internally in the GPIO subsystem
 - set the device type (assign the relevant struct device_type) for GPIO devices
 
 New drivers:
 - add the ChromeOS EC GPIO driver
 
 Driver improvements:
 - allow building gpio-vf610 with COMPILE_TEST as well as disabling it in
   menuconfig (before it was always built for i.MX cofigs)
 - count the number of EICs using the device properties instead of hard-coding
   it in gpio-eic-sprd
 - improve the device naming, extend the debugfs output and add lockdep asserts
   to gpio-sim
 
 DT bindings:
 - document the 'label' property for gpio-pca9570
 - convert aspeed,ast2400-gpio bindings to DT schema
 - disallow unevaluated properties for gpio-mvebu
 - document a new model in renesas,rcar-gpio
 
 Documentation:
 - improve the character device kerneldocs in user-space headers
 - add proper documentation for the character device uAPI (both v1 and v2)
 - move the sysfs and gpio-mockup docs into the "obsolete" section
 - improve naming consistency for GPIO terms
 - clarify the line values description for sysfs
 - minor docs improvements
 - improve the driver API contract for setting GPIO direction
 - mark unsafe APIs as deprecated in kerneldocs and suggest replacements
 
 Other:
 - remove an obsolete test from selftests
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Merge tag 'gpio-updates-for-v6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "The biggest feature is the locking overhaul. Up until now the
  synchronization in the GPIO subsystem was broken. There was a single
  spinlock "protecting" multiple data structures but doing it wrong (as
  evidenced by several places where it would be released when a sleeping
  function was called and then reacquired without checking the protected
  state).

  We tried to use an RW semaphore before but the main issue with GPIO is
  that we have drivers implementing the interfaces in both sleeping and
  non-sleeping ways as well as user-facing interfaces that can be called
  both from process as well as atomic contexts. Both ends converge in
  the same code paths that can use neither spinlocks nor mutexes. The
  only reasonable way out is to use SRCU and go mostly lockless. To that
  end: we add several SRCU structs in relevant places and use them to
  assure consistency between API calls together with atomic reads and
  writes of GPIO descriptor flags where it makes sense.

  This code has spent several weeks in next and has received several
  fixes in the first week or two after which it stabilized nicely. The
  GPIO subsystem is now resilient to providers being suddenly unbound.
  We managed to also remove the existing character device RW semaphore
  and the obsolete global spinlock.

  Other than the locking rework we have one new driver (for Chromebook
  EC), much appreciated documentation improvements from Kent and the
  regular driver improvements, DT-bindings updates and GPIOLIB core
  tweaks.

  Serialization rework:
   - use SRCU to serialize access to the global GPIO device list, to
     GPIO device structs themselves and to GPIO descriptors
   - make the GPIO subsystem resilient to the GPIO providers being
     unbound while the API calls are in progress
   - don't dereference the SRCU-protected chip pointer if the
     information we need can be obtained from the GPIO device structure
   - move some of the information contained in struct gpio_chip to
     struct gpio_device to further reduce the need to dereference the
     former
   - pass the GPIO device struct instead of the GPIO chip to sysfs
     callback to, again, reduce the need for accessing the latter
   - get GPIO descriptors from the GPIO device, not from the chip for
     the same reason
   - allow for mostly lockless operation of the GPIO driver API: assure
     consistency with SRCU and atomic operations
   - remove the global GPIO spinlock
   - remove the character device RW semaphore

  Core GPIOLIB:
   - constify pointers in GPIO API where applicable
   - unify the GPIO counting APIs for ACPI and OF
   - provide a macro for iterating over all GPIOs, not only the ones
     that are requested
   - remove leftover typedefs
   - pass the consumer device to GPIO core in
     devm_fwnode_gpiod_get_index() for improved logging
   - constify the GPIO bus type
   - don't warn about removing GPIO chips with descriptors still held by
     users as we can now handle this situation gracefully
   - remove unused logging helpers
   - unexport functions that are only used internally in the GPIO
     subsystem
   - set the device type (assign the relevant struct device_type) for
     GPIO devices

  New drivers:
   - add the ChromeOS EC GPIO driver

  Driver improvements:
   - allow building gpio-vf610 with COMPILE_TEST as well as disabling it
     in menuconfig (before it was always built for i.MX cofigs)
   - count the number of EICs using the device properties instead of
     hard-coding it in gpio-eic-sprd
   - improve the device naming, extend the debugfs output and add
     lockdep asserts to gpio-sim

  DT bindings:
   - document the 'label' property for gpio-pca9570
   - convert aspeed,ast2400-gpio bindings to DT schema
   - disallow unevaluated properties for gpio-mvebu
   - document a new model in renesas,rcar-gpio

  Documentation:
   - improve the character device kerneldocs in user-space headers
   - add proper documentation for the character device uAPI (both v1 and v2)
   - move the sysfs and gpio-mockup docs into the "obsolete" section
   - improve naming consistency for GPIO terms
   - clarify the line values description for sysfs
   - minor docs improvements
   - improve the driver API contract for setting GPIO direction
   - mark unsafe APIs as deprecated in kerneldocs and suggest
     replacements

  Other:
   - remove an obsolete test from selftests"

* tag 'gpio-updates-for-v6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (79 commits)
  gpio: sysfs: repair export returning -EPERM on 1st attempt
  selftest: gpio: remove obsolete gpio-mockup test
  gpiolib: Deduplicate cleanup for-loop in gpiochip_add_data_with_key()
  dt-bindings: gpio: aspeed,ast2400-gpio: Convert to DT schema
  gpio: acpi: Make acpi_gpio_count() take firmware node as a parameter
  gpio: of: Make of_gpio_get_count() take firmware node as a parameter
  gpiolib: Pass consumer device through to core in devm_fwnode_gpiod_get_index()
  gpio: sim: use for_each_hwgpio()
  gpio: provide for_each_hwgpio()
  gpio: don't warn about removing GPIO chips with active users anymore
  gpio: sim: delimit the fwnode name with a ":" when generating labels
  gpio: sim: add lockdep asserts
  gpio: Add ChromeOS EC GPIO driver
  gpio: constify of_phandle_args in of_find_gpio_device_by_xlate()
  gpio: fix memory leak in gpiod_request_commit()
  gpio: constify opaque pointer "data" in gpio_device_find()
  gpio: cdev: fix a NULL-pointer dereference with DEBUG enabled
  gpio: uapi: clarify default_values being logical
  gpio: sysfs: fix inverted pointer logic
  gpio: don't let lockdep complain about inherently dangerous RCU usage
  ...
2024-03-13 11:14:55 -07:00
Linus Torvalds
8c9c2f851b IOMMU Updates for Linux v6.9
Including:
 
 	- Core changes:
 	  - Constification of bus_type pointer
 	  - Preparations for user-space page-fault delivery
 	  - Use a named kmem_cache for IOVA magazines
 
 	- Intel VT-d changes from Lu Baolu:
 	  - Add RBTree to track iommu probed devices
 	  - Add Intel IOMMU debugfs document
 	  - Cleanup and refactoring
 
 	- ARM-SMMU Updates from Will Deacon:
 	  - Device-tree binding updates for a bunch of Qualcomm SoCs
 	  - SMMUv2: Support for Qualcomm X1E80100 MDSS
 	  - SMMUv3: Significant rework of the driver's STE manipulation and
 	    domain handling code. This is the initial part of a larger scale
 	    rework aiming to improve the driver's implementation of the
 	    IOMMU-API in preparation for hooking up IOMMUFD support.
 
 	- AMD-Vi Updates:
 	  - Refactor GCR3 table support for SVA
 	  - Cleanups
 
 	- Some smaller cleanups and fixes
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Merge tag 'iommu-updates-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:
 "Core changes:
    - Constification of bus_type pointer
    - Preparations for user-space page-fault delivery
    - Use a named kmem_cache for IOVA magazines

  Intel VT-d changes from Lu Baolu:
    - Add RBTree to track iommu probed devices
    - Add Intel IOMMU debugfs document
    - Cleanup and refactoring

  ARM-SMMU Updates from Will Deacon:
    - Device-tree binding updates for a bunch of Qualcomm SoCs
    - SMMUv2: Support for Qualcomm X1E80100 MDSS
    - SMMUv3: Significant rework of the driver's STE manipulation and
      domain handling code. This is the initial part of a larger scale
      rework aiming to improve the driver's implementation of the
      IOMMU-API in preparation for hooking up IOMMUFD support.

  AMD-Vi Updates:
    - Refactor GCR3 table support for SVA
    - Cleanups

  Some smaller cleanups and fixes"

* tag 'iommu-updates-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (88 commits)
  iommu: Fix compilation without CONFIG_IOMMU_INTEL
  iommu/amd: Fix sleeping in atomic context
  iommu/dma: Document min_align_mask assumption
  iommu/vt-d: Remove scalabe mode in domain_context_clear_one()
  iommu/vt-d: Remove scalable mode context entry setup from attach_dev
  iommu/vt-d: Setup scalable mode context entry in probe path
  iommu/vt-d: Fix NULL domain on device release
  iommu: Add static iommu_ops->release_domain
  iommu/vt-d: Improve ITE fault handling if target device isn't present
  iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected
  PCI: Make pci_dev_is_disconnected() helper public for other drivers
  iommu/vt-d: Use device rbtree in iopf reporting path
  iommu/vt-d: Use rbtree to track iommu probed devices
  iommu/vt-d: Merge intel_svm_bind_mm() into its caller
  iommu/vt-d: Remove initialization for dynamically heap-allocated rcu_head
  iommu/vt-d: Remove treatment for revoking PASIDs with pending page faults
  iommu/vt-d: Add the document for Intel IOMMU debugfs
  iommu/vt-d: Use kcalloc() instead of kzalloc()
  iommu/vt-d: Remove INTEL_IOMMU_BROKEN_GFX_WA
  iommu: re-use local fwnode variable in iommu_ops_from_fwnode()
  ...
2024-03-13 09:15:30 -07:00
Dan Williams
75f4d93ee8 Merge branch 'for-6.9/cxl-einj' into for-6.9/cxl
Pick up support for injecting errors via ACPI EINJ into the CXL protocol
for v6.9.
2024-03-13 00:09:20 -07:00
Ben Cheatham
8039804cfa cxl/core: Add CXL EINJ debugfs files
Export CXL helper functions in einj-cxl.c for getting/injecting
available CXL protocol error types to sysfs under kernel/debug/cxl.

The kernel/debug/cxl/einj_types file will print the available CXL
protocol errors in the same format as the available_error_types
file provided by the einj module. The
kernel/debug/cxl/$dport_dev/einj_inject file is functionally the same
as the error_type and error_inject files provided by the EINJ module,
i.e.: writing an error type into $dport_dev/einj_inject will inject
said error type into the CXL dport represented by $dport_dev.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Ben Cheatham <Benjamin.Cheatham@amd.com>
Link: https://lore.kernel.org/r/20240311142508.31717-4-Benjamin.Cheatham@amd.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2024-03-12 23:08:30 -07:00
Linus Torvalds
9187210eee Networking changes for 6.9.
Core & protocols
 ----------------
 
  - Large effort by Eric to lower rtnl_lock pressure and remove locks:
 
    - Make commonly used parts of rtnetlink (address, route dumps etc.)
      lockless, protected by RCU instead of rtnl_lock.
 
    - Add a netns exit callback which already holds rtnl_lock,
      allowing netns exit to take rtnl_lock once in the core
      instead of once for each driver / callback.
 
    - Remove locks / serialization in the socket diag interface.
 
    - Remove 6 calls to synchronize_rcu() while holding rtnl_lock.
 
    - Remove the dev_base_lock, depend on RCU where necessary.
 
  - Support busy polling on a per-epoll context basis. Poll length
    and budget parameters can be set independently of system defaults.
 
  - Introduce struct net_hotdata, to make sure read-mostly global config
    variables fit in as few cache lines as possible.
 
  - Add optional per-nexthop statistics to ease monitoring / debug
    of ECMP imbalance problems.
 
  - Support TCP_NOTSENT_LOWAT in MPTCP.
 
  - Ensure that IPv6 temporary addresses' preferred lifetimes are long
    enough, compared to other configured lifetimes, and at least 2 sec.
 
  - Support forwarding of ICMP Error messages in IPSec, per RFC 4301.
 
  - Add support for the independent control state machine for bonding
    per IEEE 802.1AX-2008 5.4.15 in addition to the existing coupled
    control state machine.
 
  - Add "network ID" to MCTP socket APIs to support hosts with multiple
    disjoint MCTP networks.
 
  - Re-use the mono_delivery_time skbuff bit for packets which user
    space wants to be sent at a specified time. Maintain the timing
    information while traversing veth links, bridge etc.
 
  - Take advantage of MSG_SPLICE_PAGES for RxRPC DATA and ACK packets.
 
  - Simplify many places iterating over netdevs by using an xarray
    instead of a hash table walk (hash table remains in place, for
    use on fastpaths).
 
  - Speed up scanning for expired routes by keeping a dedicated list.
 
  - Speed up "generic" XDP by trying harder to avoid large allocations.
 
  - Support attaching arbitrary metadata to netconsole messages.
 
 Things we sprinkled into general kernel code
 --------------------------------------------
 
  - Enforce VM_IOREMAP flag and range in ioremap_page_range and introduce
    VM_SPARSE kind and vm_area_[un]map_pages (used by bpf_arena).
 
  - Rework selftest harness to enable the use of the full range of
    ksft exit code (pass, fail, skip, xfail, xpass).
 
 Netfilter
 ---------
 
  - Allow userspace to define a table that is exclusively owned by a daemon
    (via netlink socket aliveness) without auto-removing this table when
    the userspace program exits. Such table gets marked as orphaned and
    a restarting management daemon can re-attach/regain ownership.
 
  - Speed up element insertions to nftables' concatenated-ranges set type.
    Compact a few related data structures.
 
 BPF
 ---
 
  - Add BPF token support for delegating a subset of BPF subsystem
    functionality from privileged system-wide daemons such as systemd
    through special mount options for userns-bound BPF fs to a trusted
    & unprivileged application.
 
  - Introduce bpf_arena which is sparse shared memory region between BPF
    program and user space where structures inside the arena can have
    pointers to other areas of the arena, and pointers work seamlessly
    for both user-space programs and BPF programs.
 
  - Introduce may_goto instruction that is a contract between the verifier
    and the program. The verifier allows the program to loop assuming it's
    behaving well, but reserves the right to terminate it.
 
  - Extend the BPF verifier to enable static subprog calls in spin lock
    critical sections.
 
  - Support registration of struct_ops types from modules which helps
    projects like fuse-bpf that seeks to implement a new struct_ops type.
 
  - Add support for retrieval of cookies for perf/kprobe multi links.
 
  - Support arbitrary TCP SYN cookie generation / validation in the TC
    layer with BPF to allow creating SYN flood handling in BPF firewalls.
 
  - Add code generation to inline the bpf_kptr_xchg() helper which
    improves performance when stashing/popping the allocated BPF objects.
 
 Wireless
 --------
 
  - Add SPP (signaling and payload protected) AMSDU support.
 
  - Support wider bandwidth OFDMA, as required for EHT operation.
 
 Driver API
 ----------
 
  - Major overhaul of the Energy Efficient Ethernet internals to support
    new link modes (2.5GE, 5GE), share more code between drivers
    (especially those using phylib), and encourage more uniform behavior.
    Convert and clean up drivers.
 
  - Define an API for querying per netdev queue statistics from drivers.
 
  - IPSec: account in global stats for fully offloaded sessions.
 
  - Create a concept of Ethernet PHY Packages at the Device Tree level,
    to allow parameterizing the existing PHY package code.
 
  - Enable Rx hashing (RSS) on GTP protocol fields.
 
 Misc
 ----
 
  - Improvements and refactoring all over networking selftests.
 
  - Create uniform module aliases for TC classifiers, actions,
    and packet schedulers to simplify creating modprobe policies.
 
  - Address all missing MODULE_DESCRIPTION() warnings in networking.
 
  - Extend the Netlink descriptions in YAML to cover message encapsulation
    or "Netlink polymorphism", where interpretation of nested attributes
    depends on link type, classifier type or some other "class type".
 
 Drivers
 -------
 
  - Ethernet high-speed NICs:
    - Add a new driver for Marvell's Octeon PCI Endpoint NIC VF.
    - Intel (100G, ice, idpf):
      - support E825-C devices
    - nVidia/Mellanox:
      - support devices with one port and multiple PCIe links
    - Broadcom (bnxt):
      - support n-tuple filters
      - support configuring the RSS key
    - Wangxun (ngbe/txgbe):
      - implement irq_domain for TXGBE's sub-interrupts
    - Pensando/AMD:
      - support XDP
      - optimize queue submission and wakeup handling (+17% bps)
      - optimize struct layout, saving 28% of memory on queues
 
  - Ethernet NICs embedded and virtual:
    - Google cloud vNIC:
      - refactor driver to perform memory allocations for new queue
        config before stopping and freeing the old queue memory
    - Synopsys (stmmac):
      - obey queueMaxSDU and implement counters required by 802.1Qbv
    - Renesas (ravb):
      - support packet checksum offload
      - suspend to RAM and runtime PM support
 
  - Ethernet switches:
    - nVidia/Mellanox:
      - support for nexthop group statistics
    - Microchip:
      - ksz8: implement PHY loopback
      - add support for KSZ8567, a 7-port 10/100Mbps switch
 
  - PTP:
    - New driver for RENESAS FemtoClock3 Wireless clock generator.
    - Support OCP PTP cards designed and built by Adva.
 
  - CAN:
    - Support recvmsg() flags for own, local and remote traffic
      on CAN BCM sockets.
    - Support for esd GmbH PCIe/402 CAN device family.
    - m_can:
      - Rx/Tx submission coalescing
      - wake on frame Rx
 
  - WiFi:
    - Intel (iwlwifi):
      - enable signaling and payload protected A-MSDUs
      - support wider-bandwidth OFDMA
      - support for new devices
      - bump FW API to 89 for AX devices; 90 for BZ/SC devices
    - MediaTek (mt76):
      - mt7915: newer ADIE version support
      - mt7925: radio temperature sensor support
    - Qualcomm (ath11k):
      - support 6 GHz station power modes: Low Power Indoor (LPI),
        Standard Power) SP and Very Low Power (VLP)
      - QCA6390 & WCN6855: support 2 concurrent station interfaces
      - QCA2066 support
    - Qualcomm (ath12k):
      - refactoring in preparation for Multi-Link Operation (MLO) support
      - 1024 Block Ack window size support
      - firmware-2.bin support
      - support having multiple identical PCI devices (firmware needs to
        have ATH12K_FW_FEATURE_MULTI_QRTR_ID)
      - QCN9274: support split-PHY devices
      - WCN7850: enable Power Save Mode in station mode
      - WCN7850: P2P support
    - RealTek:
      - rtw88: support for more rtw8811cu and rtw8821cu devices
      - rtw89: support SCAN_RANDOM_SN and SET_SCAN_DWELL
      - rtlwifi: speed up USB firmware initialization
      - rtwl8xxxu:
        - RTL8188F: concurrent interface support
        - Channel Switch Announcement (CSA) support in AP mode
    - Broadcom (brcmfmac):
      - per-vendor feature support
      - per-vendor SAE password setup
      - DMI nvram filename quirk for ACEPC W5 Pro
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core & protocols:

   - Large effort by Eric to lower rtnl_lock pressure and remove locks:

      - Make commonly used parts of rtnetlink (address, route dumps
        etc) lockless, protected by RCU instead of rtnl_lock.

      - Add a netns exit callback which already holds rtnl_lock,
        allowing netns exit to take rtnl_lock once in the core instead
        of once for each driver / callback.

      - Remove locks / serialization in the socket diag interface.

      - Remove 6 calls to synchronize_rcu() while holding rtnl_lock.

      - Remove the dev_base_lock, depend on RCU where necessary.

   - Support busy polling on a per-epoll context basis. Poll length and
     budget parameters can be set independently of system defaults.

   - Introduce struct net_hotdata, to make sure read-mostly global
     config variables fit in as few cache lines as possible.

   - Add optional per-nexthop statistics to ease monitoring / debug of
     ECMP imbalance problems.

   - Support TCP_NOTSENT_LOWAT in MPTCP.

   - Ensure that IPv6 temporary addresses' preferred lifetimes are long
     enough, compared to other configured lifetimes, and at least 2 sec.

   - Support forwarding of ICMP Error messages in IPSec, per RFC 4301.

   - Add support for the independent control state machine for bonding
     per IEEE 802.1AX-2008 5.4.15 in addition to the existing coupled
     control state machine.

   - Add "network ID" to MCTP socket APIs to support hosts with multiple
     disjoint MCTP networks.

   - Re-use the mono_delivery_time skbuff bit for packets which user
     space wants to be sent at a specified time. Maintain the timing
     information while traversing veth links, bridge etc.

   - Take advantage of MSG_SPLICE_PAGES for RxRPC DATA and ACK packets.

   - Simplify many places iterating over netdevs by using an xarray
     instead of a hash table walk (hash table remains in place, for use
     on fastpaths).

   - Speed up scanning for expired routes by keeping a dedicated list.

   - Speed up "generic" XDP by trying harder to avoid large allocations.

   - Support attaching arbitrary metadata to netconsole messages.

  Things we sprinkled into general kernel code:

   - Enforce VM_IOREMAP flag and range in ioremap_page_range and
     introduce VM_SPARSE kind and vm_area_[un]map_pages (used by
     bpf_arena).

   - Rework selftest harness to enable the use of the full range of ksft
     exit code (pass, fail, skip, xfail, xpass).

  Netfilter:

   - Allow userspace to define a table that is exclusively owned by a
     daemon (via netlink socket aliveness) without auto-removing this
     table when the userspace program exits. Such table gets marked as
     orphaned and a restarting management daemon can re-attach/regain
     ownership.

   - Speed up element insertions to nftables' concatenated-ranges set
     type. Compact a few related data structures.

  BPF:

   - Add BPF token support for delegating a subset of BPF subsystem
     functionality from privileged system-wide daemons such as systemd
     through special mount options for userns-bound BPF fs to a trusted
     & unprivileged application.

   - Introduce bpf_arena which is sparse shared memory region between
     BPF program and user space where structures inside the arena can
     have pointers to other areas of the arena, and pointers work
     seamlessly for both user-space programs and BPF programs.

   - Introduce may_goto instruction that is a contract between the
     verifier and the program. The verifier allows the program to loop
     assuming it's behaving well, but reserves the right to terminate
     it.

   - Extend the BPF verifier to enable static subprog calls in spin lock
     critical sections.

   - Support registration of struct_ops types from modules which helps
     projects like fuse-bpf that seeks to implement a new struct_ops
     type.

   - Add support for retrieval of cookies for perf/kprobe multi links.

   - Support arbitrary TCP SYN cookie generation / validation in the TC
     layer with BPF to allow creating SYN flood handling in BPF
     firewalls.

   - Add code generation to inline the bpf_kptr_xchg() helper which
     improves performance when stashing/popping the allocated BPF
     objects.

  Wireless:

   - Add SPP (signaling and payload protected) AMSDU support.

   - Support wider bandwidth OFDMA, as required for EHT operation.

  Driver API:

   - Major overhaul of the Energy Efficient Ethernet internals to
     support new link modes (2.5GE, 5GE), share more code between
     drivers (especially those using phylib), and encourage more
     uniform behavior. Convert and clean up drivers.

   - Define an API for querying per netdev queue statistics from
     drivers.

   - IPSec: account in global stats for fully offloaded sessions.

   - Create a concept of Ethernet PHY Packages at the Device Tree level,
     to allow parameterizing the existing PHY package code.

   - Enable Rx hashing (RSS) on GTP protocol fields.

  Misc:

   - Improvements and refactoring all over networking selftests.

   - Create uniform module aliases for TC classifiers, actions, and
     packet schedulers to simplify creating modprobe policies.

   - Address all missing MODULE_DESCRIPTION() warnings in networking.

   - Extend the Netlink descriptions in YAML to cover message
     encapsulation or "Netlink polymorphism", where interpretation of
     nested attributes depends on link type, classifier type or some
     other "class type".

  Drivers:

   - Ethernet high-speed NICs:
      - Add a new driver for Marvell's Octeon PCI Endpoint NIC VF.
      - Intel (100G, ice, idpf):
         - support E825-C devices
      - nVidia/Mellanox:
         - support devices with one port and multiple PCIe links
      - Broadcom (bnxt):
         - support n-tuple filters
         - support configuring the RSS key
      - Wangxun (ngbe/txgbe):
         - implement irq_domain for TXGBE's sub-interrupts
      - Pensando/AMD:
         - support XDP
         - optimize queue submission and wakeup handling (+17% bps)
         - optimize struct layout, saving 28% of memory on queues

   - Ethernet NICs embedded and virtual:
      - Google cloud vNIC:
         - refactor driver to perform memory allocations for new queue
           config before stopping and freeing the old queue memory
      - Synopsys (stmmac):
         - obey queueMaxSDU and implement counters required by 802.1Qbv
      - Renesas (ravb):
         - support packet checksum offload
         - suspend to RAM and runtime PM support

   - Ethernet switches:
      - nVidia/Mellanox:
         - support for nexthop group statistics
      - Microchip:
         - ksz8: implement PHY loopback
         - add support for KSZ8567, a 7-port 10/100Mbps switch

   - PTP:
      - New driver for RENESAS FemtoClock3 Wireless clock generator.
      - Support OCP PTP cards designed and built by Adva.

   - CAN:
      - Support recvmsg() flags for own, local and remote traffic on CAN
        BCM sockets.
      - Support for esd GmbH PCIe/402 CAN device family.
      - m_can:
         - Rx/Tx submission coalescing
         - wake on frame Rx

   - WiFi:
      - Intel (iwlwifi):
         - enable signaling and payload protected A-MSDUs
         - support wider-bandwidth OFDMA
         - support for new devices
         - bump FW API to 89 for AX devices; 90 for BZ/SC devices
      - MediaTek (mt76):
         - mt7915: newer ADIE version support
         - mt7925: radio temperature sensor support
      - Qualcomm (ath11k):
         - support 6 GHz station power modes: Low Power Indoor (LPI),
           Standard Power) SP and Very Low Power (VLP)
         - QCA6390 & WCN6855: support 2 concurrent station interfaces
         - QCA2066 support
      - Qualcomm (ath12k):
         - refactoring in preparation for Multi-Link Operation (MLO)
           support
         - 1024 Block Ack window size support
         - firmware-2.bin support
         - support having multiple identical PCI devices (firmware needs
           to have ATH12K_FW_FEATURE_MULTI_QRTR_ID)
         - QCN9274: support split-PHY devices
         - WCN7850: enable Power Save Mode in station mode
         - WCN7850: P2P support
      - RealTek:
         - rtw88: support for more rtw8811cu and rtw8821cu devices
         - rtw89: support SCAN_RANDOM_SN and SET_SCAN_DWELL
         - rtlwifi: speed up USB firmware initialization
         - rtwl8xxxu:
             - RTL8188F: concurrent interface support
             - Channel Switch Announcement (CSA) support in AP mode
      - Broadcom (brcmfmac):
         - per-vendor feature support
         - per-vendor SAE password setup
         - DMI nvram filename quirk for ACEPC W5 Pro"

* tag 'net-next-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2255 commits)
  nexthop: Fix splat with CONFIG_DEBUG_PREEMPT=y
  nexthop: Fix out-of-bounds access during attribute validation
  nexthop: Only parse NHA_OP_FLAGS for dump messages that require it
  nexthop: Only parse NHA_OP_FLAGS for get messages that require it
  bpf: move sleepable flag from bpf_prog_aux to bpf_prog
  bpf: hardcode BPF_PROG_PACK_SIZE to 2MB * num_possible_nodes()
  selftests/bpf: Add kprobe multi triggering benchmarks
  ptp: Move from simple ida to xarray
  vxlan: Remove generic .ndo_get_stats64
  vxlan: Do not alloc tstats manually
  devlink: Add comments to use netlink gen tool
  nfp: flower: handle acti_netdevs allocation failure
  net/packet: Add getsockopt support for PACKET_COPY_THRESH
  net/netlink: Add getsockopt support for NETLINK_LISTEN_ALL_NSID
  selftests/bpf: Add bpf_arena_htab test.
  selftests/bpf: Add bpf_arena_list test.
  selftests/bpf: Add unit tests for bpf_arena_alloc/free_pages
  bpf: Add helper macro bpf_addr_space_cast()
  libbpf: Recognize __arena global variables.
  bpftool: Recognize arena map type
  ...
2024-03-12 17:44:08 -07:00
Linus Torvalds
1f44039766 A moderatly busy cycle for development this time around.
- Some cleanup of the main index page for easier navigation
 
 - Rework some of the other top-level pages for better readability and, with
   luck, fewer merge conflicts in the future.
 
 - Submit-checklist improvements, hopefully the first of many.
 
 - New Italian translations
 
 - A fair number of kernel-doc fixes and improvements.  We have also dropped
   the recommendation to use an old version of Sphinx.
 
 - A new document from Thorsten on bisection
 
 ...and lots of fixes and updates.
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Merge tag 'docs-6.9' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "A moderatly busy cycle for development this time around.

   - Some cleanup of the main index page for easier navigation

   - Rework some of the other top-level pages for better readability
     and, with luck, fewer merge conflicts in the future.

   - Submit-checklist improvements, hopefully the first of many.

   - New Italian translations

   - A fair number of kernel-doc fixes and improvements. We have also
     dropped the recommendation to use an old version of Sphinx.

   - A new document from Thorsten on bisection

  ... and lots of fixes and updates"

* tag 'docs-6.9' of git://git.lwn.net/linux: (54 commits)
  docs: verify/bisect: fixes, finetuning, and support for Arch
  docs: Makefile: Add dependency to $(YNL_INDEX) for targets other than htmldocs
  docs: Move ja_JP/howto.rst to ja_JP/process/howto.rst
  docs: submit-checklist: use subheadings
  docs: submit-checklist: structure by category
  docs: new text on bisecting which also covers bug validation
  docs: drop the version constraints for sphinx and dependencies
  docs: kerneldoc-preamble.sty: Remove code for Sphinx <2.4
  docs: Restore "smart quotes" for quotes
  docs/zh_CN: accurate translation of "function"
  docs: Include simplified link titles in main index
  docs: Correct formatting of title in admin-guide/index.rst
  docs: kernel_feat.py: fix build error for missing files
  MAINTAINERS: Set the field name for subsystem profile section
  kasan: Add documentation for CONFIG_KASAN_EXTRA_INFO
  Fixed case issue with 'fault-injection' in documentation
  kernel-doc: handle #if in enums as well
  Documentation: update mailing list addresses
  doc: kerneldoc.py: fix indentation
  scripts/kernel-doc: simplify signature printing
  ...
2024-03-12 15:18:34 -07:00
Dave Jiang
c20eaf4411 cxl/region: Add sysfs attribute for locality attributes of CXL regions
Add read/write latencies and bandwidth sysfs attributes for the enabled CXL
region. The bandwidth is the aggregated bandwidth of all devices that
contribute to the CXL region. The latency is the worst latency of the
device amongst all the devices that contribute to the CXL region.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20240308220055.2172956-11-dave.jiang@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2024-03-12 12:34:11 -07:00
Pawan Gupta
8076fcde01 x86/rfds: Mitigate Register File Data Sampling (RFDS)
RFDS is a CPU vulnerability that may allow userspace to infer kernel
stale data previously used in floating point registers, vector registers
and integer registers. RFDS only affects certain Intel Atom processors.

Intel released a microcode update that uses VERW instruction to clear
the affected CPU buffers. Unlike MDS, none of the affected cores support
SMT.

Add RFDS bug infrastructure and enable the VERW based mitigation by
default, that clears the affected buffers just before exiting to
userspace. Also add sysfs reporting and cmdline parameter
"reg_file_data_sampling" to control the mitigation.

For details see:
Documentation/admin-guide/hw-vuln/reg-file-data-sampling.rst

Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
2024-03-11 13:13:48 -07:00
Adrián Larumbe
b12f3ea7c1 drm/panfrost: Replace fdinfo's profiling debugfs knob with sysfs
Debugfs isn't always available in production builds that try to squeeze
every single byte out of the kernel image, but we still need a way to
toggle the timestamp and cycle counter registers so that jobs can be
profiled for fdinfo's drm engine and cycle calculations.

Drop the debugfs knob and replace it with a sysfs file that accomplishes
the same functionality, and document its ABI in a separate file.

Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240306015819.822128-2-adrian.larumbe@collabora.com
2024-03-11 13:27:10 +01:00
Jakub Kicinski
6025b9135f net: dqs: add NIC stall detector based on BQL
softnet_data->time_squeeze is sometimes used as a proxy for
host overload or indication of scheduling problems. In practice
this statistic is very noisy and has hard to grasp units -
e.g. is 10 squeezes a second to be expected, or high?

Delaying network (NAPI) processing leads to drops on NIC queues
but also RTT bloat, impacting pacing and CA decisions.
Stalls are a little hard to detect on the Rx side, because
there may simply have not been any packets received in given
period of time. Packet timestamps help a little bit, but
again we don't know if packets are stale because we're
not keeping up or because someone (*cough* cgroups)
disabled IRQs for a long time.

We can, however, use Tx as a proxy for Rx stalls. Most drivers
use combined Rx+Tx NAPIs so if Tx gets starved so will Rx.
On the Tx side we know exactly when packets get queued,
and completed, so there is no uncertainty.

This patch adds stall checks to BQL. Why BQL? Because
it's a convenient place to add such checks, already
called by most drivers, and it has copious free space
in its structures (this patch adds no extra cache
references or dirtying to the fast path).

The algorithm takes one parameter - max delay AKA stall
threshold and increments a counter whenever NAPI got delayed
for at least that amount of time. It also records the length
of the longest stall.

To be precise every time NAPI has not polled for at least
stall thrs we check if there were any Tx packets queued
between last NAPI run and now - stall_thrs/2.

Unlike the classic Tx watchdog this mechanism does not
ignore stalls caused by Tx being disabled, or loss of link.
I don't think the check is worth the complexity, and
stall is a stall, whether due to host overload, flow
control, link down... doesn't matter much to the application.

We have been running this detector in production at Meta
for 2 years, with the threshold of 8ms. It's the lowest
value where false positives become rare. There's still
a constant stream of reported stalls (especially without
the ksoftirqd deferral patches reverted), those who like
their stall metrics to be 0 may prefer higher value.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-03-08 10:23:26 +00:00
Joerg Roedel
f379a7e9c3 Merge branches 'arm/mediatek', 'arm/renesas', 'arm/smmu', 'x86/vt-d', 'x86/amd' and 'core' into next 2024-03-08 09:05:59 +01:00
Florian Eckert
96d947d4ab Documentation: leds: Update led-trigger-tty ABI description
The 'led-trigger-tty' uses the same naming in the ABI documentation as
the 'led-trigger-netdev'. Which leads to the following warning when
building the documentation.

Warning: /sys/class/leds/<led>/rx is defined 2 times:
Documentation/ABI/testing/sysfs-class-led-trigger-tty:7
Documentation/ABI/testing/sysfs-class-led-trigger-netdev:49
Warning: /sys/class/leds/<led>/tx is defined 2 times:
Documentation/ABI/testing/sysfs-class-led-trigger-tty:15
Documentation/ABI/testing/sysfs-class-led-trigger-netdev:34

Renaming the 'What' path by prefixing it with 'tty_' solves this problem.

Fixes: 6dec659896 ("leds: ledtrig-tty: Add additional line state evaluation")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Florian Eckert <fe@dev.tdt.de>
Link: https://lore.kernel.org/r/20240110133410.81645-1-fe@dev.tdt.de
Signed-off-by: Lee Jones <lee@kernel.org>
(cherry picked from commit ea411a8422c1d7f8193d726fb76ba09534b6a5fe)
Signed-off-by: Lee Jones <lee@kernel.org>
2024-03-07 08:47:59 +00:00
Christian Marangi
5fe5e2a3d7 docs: ABI: sysfs-class-led-trigger-netdev: Document now hidable link_*
Document now hidable link speed modes for the LED netdev trigger.

Link speed modes are now showed only if the named network device
supports them and are hidden if not.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20240111160501.1774-2-ansuelsmth@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
2024-03-07 08:47:58 +00:00
Bartosz Golaszewski
e9c717bee8 Linux 6.8-rc7
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Merge tag 'v6.8-rc7' into gpio/for-next

Linux 6.8-rc7
2024-03-05 19:24:34 +01:00
Elbert Mai
12fc84e8c4 usb: Export BOS descriptor to sysfs
Motivation
----------

The binary device object store (BOS) of a USB device consists of the BOS
descriptor followed by a set of device capability descriptors. One that is
of interest to users is the platform descriptor. This contains a 128-bit
UUID and arbitrary data, and it allows parties outside of USB-IF to add
additional metadata about a USB device in a standards-compliant manner.
Notable examples include the WebUSB and Microsoft OS 2.0 descriptors.

The kernel already retrieves and caches the BOS from USB devices if its
bcdUSB is >= 0x0201. Because the BOS is flexible and extensible, we export
the entire BOS to sysfs so users can retrieve whatever device capabilities
they desire, without requiring USB I/O or elevated permissions.

Implementation
--------------

Add bos_descriptors attribute to sysfs. This is a binary file and it works
the same way as the existing descriptors attribute. The file exists only if
the BOS is present in the USB device.

Also create a binary attribute group, so the driver core can handle the
creation of both the descriptors and bos_descriptors attributes in sysfs.

Signed-off-by: Elbert Mai <code@elbertmai.com>
Link: https://lore.kernel.org/r/20240305002301.95323-1-code@elbertmai.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-03-05 07:57:23 +00:00
Greg Kroah-Hartman
e0014ce72e IIO: 2nd set of new device support, cleanups and features for 6.9
New device support
 =================
 adi,hmc425a
 - Add support for LTC6373 Instrumentation Amplifier.
 microchip,pac1934
 - New driver supporting PAC1931, PAC1932, PAC1933 and PAC1934 power monitoring
 chips with accumulators.
 voltafield,af8133j
 - New driver for the AF8133J 3 axis magnetometer.
 
 Docs
 ====
 
 New general documentation of device buffers, and a specific section on
 the adi,adis16475 IMU
 
 Features
 ========
 
 kionix,kxcjk-1013
  - Add support for ACPI ROTM (Microsoft defined ACPI method) to get rotation
    matrix.
 ti,tmp117
 - Add missing vcc-supply control and binding.
 
 Cleanups and minor fixes
 ========================
 
 Tree-wide
 - Corrected headers to remove linux/of.h from a bunch of drivers
   that only had it to get to linux/mod_devicetable.h
 - dt binding cleanup to drop redundant type from label properties.
 
 adi,hmc425a
 - Fix constraints on GPIO array sizes for different devices.
 adi,ltc2983
 - Use spi_get_device_match_data instead of open coding similar.
 - Update naming of fw parsing function to reflect that it is not longer
   dt only.
 - Set the chip name explicitly to reduce fragility resulting from different
   entries in the various ID tables.
 bosch,bmg160
 - Add spi-max-frequency property and limit to dt-binding.
 microchip,mcp320x
 - Use devm_* to simplify device removal and error handling.
 nxp,imx93
 - Drop a non existent 4th interrupt from bindings.
 qcom,mp8xxx-xoadc
 - Drop unused kerneldoc
 renesas,isl29501
 - Actually use the of_match table.
 rockchip,saradc
 - Fix channel bitmask
 - Fix write masks
 - Replace custom handling of optional reset control with how it should be
   done.
 ti,ads1298
 - Fix error code to not return a successfully obtained regulator.
 - Avoid a divide by zero when setting frequency.
 ti,hdc2010
 - Add missing interrupts dt binding property
 vishay,veml6075
 - Make vdd-supply required in the dt-binding.
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Merge tag 'iio-for-6.9b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

IIO: 2nd set of new device support, cleanups and features for 6.9

New device support
=================
adi,hmc425a
- Add support for LTC6373 Instrumentation Amplifier.
microchip,pac1934
- New driver supporting PAC1931, PAC1932, PAC1933 and PAC1934 power monitoring
chips with accumulators.
voltafield,af8133j
- New driver for the AF8133J 3 axis magnetometer.

Docs
====

New general documentation of device buffers, and a specific section on
the adi,adis16475 IMU

Features
========

kionix,kxcjk-1013
 - Add support for ACPI ROTM (Microsoft defined ACPI method) to get rotation
   matrix.
ti,tmp117
- Add missing vcc-supply control and binding.

Cleanups and minor fixes
========================

Tree-wide
- Corrected headers to remove linux/of.h from a bunch of drivers
  that only had it to get to linux/mod_devicetable.h
- dt binding cleanup to drop redundant type from label properties.

adi,hmc425a
- Fix constraints on GPIO array sizes for different devices.
adi,ltc2983
- Use spi_get_device_match_data instead of open coding similar.
- Update naming of fw parsing function to reflect that it is not longer
  dt only.
- Set the chip name explicitly to reduce fragility resulting from different
  entries in the various ID tables.
bosch,bmg160
- Add spi-max-frequency property and limit to dt-binding.
microchip,mcp320x
- Use devm_* to simplify device removal and error handling.
nxp,imx93
- Drop a non existent 4th interrupt from bindings.
qcom,mp8xxx-xoadc
- Drop unused kerneldoc
renesas,isl29501
- Actually use the of_match table.
rockchip,saradc
- Fix channel bitmask
- Fix write masks
- Replace custom handling of optional reset control with how it should be
  done.
ti,ads1298
- Fix error code to not return a successfully obtained regulator.
- Avoid a divide by zero when setting frequency.
ti,hdc2010
- Add missing interrupts dt binding property
vishay,veml6075
- Make vdd-supply required in the dt-binding.

* tag 'iio-for-6.9b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (42 commits)
  dt-bindings: iio: gyroscope: bosch,bmg160: add spi-max-frequency
  dt-bindings: iio: adc: imx93: drop the 4th interrupt
  iio: proximity: isl29501: make use of of_device_id table
  iio: adc: qcom-pm8xxx-xoadc: drop unused kerneldoc struct pm8xxx_chan_info member
  dt-bindings: iio: adc: drop redundant type from label
  dt-bindings: iio: ti,tmp117: add optional label property
  MAINTAINERS: Add an entry for AF8133J driver
  iio: magnetometer: add a driver for Voltafield AF8133J magnetometer
  dt-bindings: iio: magnetometer: Add Voltafield AF8133J
  dt-bindings: vendor-prefix: Add prefix for Voltafield
  iio: adc: rockchip_saradc: replace custom logic with devm_reset_control_get_optional_exclusive
  iio: adc: rockchip_saradc: use mask for write_enable bitfield
  iio: adc: rockchip_saradc: fix bitmask for channels on SARADCv2
  dt-bindings: iio: light: vishay,veml6075: make vdd-supply required
  iio: adc: adding support for PAC193x
  dt-bindings: iio: adc: adding support for PAC193X
  iio: temperature: ltc2983: explicitly set the name in chip_info
  iio: temperature: ltc2983: rename ltc2983_parse_dt()
  iio: temperature: ltc2983: make use of spi_get_device_match_data()
  iio: adc: ti-ads1298: prevent divide by zero in ads1298_set_samp_freq()
  ...
2024-03-02 20:02:18 +01:00
Greg Kroah-Hartman
bac2f2cfe2 coresight: hwtracing subsystem updates for v6.9
Changes targeting Linux v6.9 include:
  - CoreSight: Enable W=1 warnings as default
  - CoreSight: Clean up sysfs/perf mode handling for tracing
  - Support for Qualcomm TPDM CMB Dataset
  - Miscellaneous fixes to the CoreSight subsystem
  - Fix for hisi_ptt PMU to reject events targeting other PMUs
 
 Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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Merge tag 'coresight-next-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next

Suzuki writes:

coresight: hwtracing subsystem updates for v6.9

Changes targeting Linux v6.9 include:
 - CoreSight: Enable W=1 warnings as default
 - CoreSight: Clean up sysfs/perf mode handling for tracing
 - Support for Qualcomm TPDM CMB Dataset
 - Miscellaneous fixes to the CoreSight subsystem
 - Fix for hisi_ptt PMU to reject events targeting other PMUs

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

* tag 'coresight-next-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux: (32 commits)
  coresight-tpda: Change qcom,dsb-element-size to qcom,dsb-elem-bits
  dt-bindings: arm: qcom,coresight-tpdm: Rename qcom,dsb-element-size
  hwtracing: hisi_ptt: Move type check to the beginning of hisi_ptt_pmu_event_init()
  coresight: tpdm: Fix build break due to uninitialised field
  coresight: etm4x: Set skip_power_up in etm4_init_arch_data function
  coresight-tpdm: Add msr register support for CMB
  dt-bindings: arm: qcom,coresight-tpdm: Add support for TPDM CMB MSR register
  coresight-tpdm: Add timestamp control register support for the CMB
  coresight-tpdm: Add pattern registers support for CMB
  coresight-tpdm: Add support to configure CMB
  coresight-tpda: Add support to configure CMB element
  coresight-tpdm: Add CMB dataset support
  dt-bindings: arm: qcom,coresight-tpdm: Add support for CMB element size
  coresight-tpdm: Optimize the useage of tpdm_has_dsb_dataset
  coresight-tpdm: Optimize the store function of tpdm simple dataset
  coresight: Add helper for setting csdev->mode
  coresight: Add a helper for getting csdev->mode
  coresight: Add helper for atomically taking the device
  coresight: Add explicit member initializers to coresight_dev_type
  coresight: Remove unused stubs
  ...
2024-03-02 19:58:26 +01:00
Jingqi Liu
967912a3a5 iommu/vt-d: Add the document for Intel IOMMU debugfs
This document guides users to dump the Intel IOMMU internals by debugfs.

Signed-off-by: Jingqi Liu <Jingqi.liu@intel.com>
Link: https://lore.kernel.org/r/20240207090742.23857-1-Jingqi.liu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2024-03-01 13:51:19 +01:00
Chao Yu
8b10d36537 f2fs: introduce FAULT_NO_SEGMENT
Use it to simulate no free segment case during block allocation.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2024-02-29 08:34:34 -08:00
Marius Cristea
0fb528c825 iio: adc: adding support for PAC193x
This is the iio driver for Microchip
PAC193X series of Power Monitor with Accumulator chip family.

Signed-off-by: Marius Cristea <marius.cristea@microchip.com>
Link: https://lore.kernel.org/r/20240222164206.65700-3-marius.cristea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-02-28 19:26:37 +00:00
Jeffrey Hugo
3ae768a132 f2fs: doc: Fix bouncing email address for Sahitya Tummala
The servers for the @codeaurora domain are long retired and any messages
addressed there will bounce.  Sahitya Tummala has a .mailmap entry to an
updated address, but the documentation files still list @codeaurora
which might be a problem for anyone reading the documentation directly.
Update the documentation files to match the .mailmap update.

Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2024-02-27 09:41:15 -08:00
Javier Carrasco
b86d760153 ABI: sysfs-class-hwmon: add descriptions for humidity min/max alarms
This attributes have been recently introduced and require the
corresponding ABI documentation.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240130-topic-chipcap2-v6-3-260bea05cf9b@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2024-02-25 12:37:37 -08:00
SeongJae Park
adc3908b3c Docs/ABI/damon: document quota goal metric file
Update DAMON ABI document for the quota goal target_metric file.

Link: https://lkml.kernel.org/r/20240219194431.159606-17-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-23 17:48:29 -08:00
SeongJae Park
68c4905bba Docs/ABI/damon: document effective_bytes sysfs file
Update the DAMON ABI doc for the effective_bytes sysfs file and the
kdamond state file input command for updating the content of the file.

Link: https://lkml.kernel.org/r/20240219194431.159606-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-23 17:48:26 -08:00
Giovanni Cabiddu
2ecd43413d Documentation: qat: fix auto_reset section
Remove unneeded colon in the auto_reset section.

This resolves the following errors when building the documentation:

    Documentation/ABI/testing/sysfs-driver-qat:146: ERROR: Unexpected indentation.
    Documentation/ABI/testing/sysfs-driver-qat:146: WARNING: Block quote ends without a blank line; unexpected unindent.

Fixes: f5419a4239 ("crypto: qat - add auto reset on error")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/linux-kernel/20240212144830.70495d07@canb.auug.org.au/T/
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-02-24 08:41:19 +08:00
Stefan Hajnoczi
a8f62f50b4 virtiofs: export filesystem tags through sysfs
The virtiofs filesystem is mounted using a "tag" which is exported by
the virtiofs device:

  # mount -t virtiofs <tag> /mnt

The virtiofs driver knows about all the available tags but these are
currently not exported to user space.

People have asked for these tags to be exported to user space. Most
recently Lennart Poettering has asked for it as he wants to scan the
tags and mount virtiofs automatically in certain cases.

https://gitlab.com/virtio-fs/virtiofsd/-/issues/128

This patch exports tags at /sys/fs/virtiofs/<N>/tag where N is the id of
the virtiofs device. The filesystem tag can be obtained by reading this
"tag" file.

There is also a symlink at /sys/fs/virtiofs/<N>/device that points to
the virtiofs device that exports this tag.

This patch converts the existing struct virtio_fs into a full kobject.
It already had a refcount so it's an easy change. The virtio_fs objects
can then be exposed in a kset at /sys/fs/virtiofs/. Note that virtio_fs
objects may live slightly longer than we wish for them to be exposed to
userspace, so kobject_del() is called explicitly when the underlying
virtio_device is removed. The virtio_fs object is freed when all
references are dropped (e.g. active mounts) but disappears as soon as
the virtiofs device is gone.

Originally-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2024-02-23 09:40:26 +01:00
Anshuman Khandual
b9ad003af1 mm/cma: add sysfs file 'release_pages_success'
This adds the following new sysfs file tracking the number of successfully
released pages from a given CMA heap area.  This file will be available
via CONFIG_CMA_SYSFS and help in determining active CMA pages available on
the CMA heap area.  This adds a new 'nr_pages_released' (CONFIG_CMA_SYSFS)
into 'struct cma' which gets updated during cma_release().

/sys/kernel/mm/cma/<cma-heap-area>/release_pages_success

After this change, an user will be able to find active CMA pages available
in a given CMA heap area via the following method.

Active pages = alloc_pages_success - release_pages_success

That's valuable information for both software designers, and system admins
as it allows them to tune the number of CMA pages available in the system.
This increases user visibility for allocated CMA area and its
utilization.

Link: https://lkml.kernel.org/r/20240206045731.472759-1-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-22 10:24:57 -08:00
Rakie Kim
dce41f5ae2 mm/mempolicy: implement the sysfs-based weighted_interleave interface
Patch series "mm/mempolicy: weighted interleave mempolicy and sysfs
extension", v5.

Weighted interleave is a new interleave policy intended to make use of
heterogeneous memory environments appearing with CXL.

The existing interleave mechanism does an even round-robin distribution of
memory across all nodes in a nodemask, while weighted interleave
distributes memory across nodes according to a provided weight.  (Weight =
# of page allocations per round)

Weighted interleave is intended to reduce average latency when bandwidth
is pressured - therefore increasing total throughput.

In other words: It allows greater use of the total available bandwidth in
a heterogeneous hardware environment (different hardware provides
different bandwidth capacity).

As bandwidth is pressured, latency increases - first linearly and then
exponentially.  By keeping bandwidth usage distributed according to
available bandwidth, we therefore can reduce the average latency of a
cacheline fetch.

A good explanation of the bandwidth vs latency response curve:
https://mahmoudhatem.wordpress.com/2017/11/07/memory-bandwidth-vs-latency-response-curve/

From the article:
```
Constant region:
    The latency response is fairly constant for the first 40%
    of the sustained bandwidth.
Linear region:
    In between 40% to 80% of the sustained bandwidth, the
    latency response increases almost linearly with the bandwidth
    demand of the system due to contention overhead by numerous
    memory requests.
Exponential region:
    Between 80% to 100% of the sustained bandwidth, the memory
    latency is dominated by the contention latency which can be
    as much as twice the idle latency or more.
Maximum sustained bandwidth :
    Is 65% to 75% of the theoretical maximum bandwidth.
```

As a general rule of thumb:
* If bandwidth usage is low, latency does not increase. It is
  optimal to place data in the nearest (lowest latency) device.
* If bandwidth usage is high, latency increases. It is optimal
  to place data such that bandwidth use is optimized per-device.

This is the top line goal: Provide a user a mechanism to target using the
"maximum sustained bandwidth" of each hardware component in a heterogenous
memory system.


For example, the stream benchmark demonstrates that 1:1 (default)
interleave is actively harmful, while weighted interleave can be
beneficial.  Default interleave distributes data such that too much
pressure is placed on devices with lower available bandwidth.

Stream Benchmark (vs DRAM, 1 Socket + 1 CXL Device)
Default interleave : -78% (slower than DRAM)
Global weighting   : -6% to +4% (workload dependant)
Targeted weights   : +2.5% to +4% (consistently better than DRAM)

Global means the task-policy was set (set_mempolicy), while targeted means
VMA policies were set (mbind2).  We see weighted interleave is not always
beneficial when applied globally, but is always beneficial when applied to
bandwidth-driving memory regions.


There are 4 patches in this set:
1) Implement system-global interleave weights as sysfs extension
   in mm/mempolicy.c.  These weights are RCU protected, and a
   default weight set is provided (all weights are 1 by default).

   In future work, we intend to expose an interface for HMAT/CDAT
   code to set reasonable default values based on the memory
   configuration of the system discovered at boot/hotplug.

2) A mild refactor of some interleave-logic for re-use in the
   new weighted interleave logic.

3) MPOL_WEIGHTED_INTERLEAVE extension for set_mempolicy/mbind

4) Protect interleave logic (weighted and normal) with the
   mems_allowed seq cookie.  If the nodemask changes while
   accessing it during a rebind, just retry the access.

Included below are some performance and LTP test information,
and a sample numactl branch which can be used for testing.

= Performance summary =
(tests may have different configurations, see extended info below)
1) MLC (W2) : +38% over DRAM. +264% over default interleave.
   MLC (W5) : +40% over DRAM. +226% over default interleave.
2) Stream   : -6% to +4% over DRAM, +430% over default interleave.
3) XSBench  : +19% over DRAM. +47% over default interleave.

= LTP Testing Summary =
existing mempolicy & mbind tests: pass
mempolicy & mbind + weighted interleave (global weights): pass

= version history
v5:
- style fixes
- mems_allowed cookie protection to detect rebind issues,
  prevents spurious allocation failures and/or mis-allocations
- sparse warning fixes related to __rcu on local variables

=====================================================================
Performance tests - MLC
From - Ravi Jonnalagadda <ravis.opensrc@micron.com>

Hardware: Single-socket, multiple CXL memory expanders.

Workload:                               W2
Data Signature:                         2:1 read:write
DRAM only bandwidth (GBps):             298.8
DRAM + CXL (default interleave) (GBps): 113.04
DRAM + CXL (weighted interleave)(GBps): 412.5
Gain over DRAM only:                    1.38x
Gain over default interleave:           2.64x

Workload:                               W5
Data Signature:                         1:1 read:write
DRAM only bandwidth (GBps):             273.2
DRAM + CXL (default interleave) (GBps): 117.23
DRAM + CXL (weighted interleave)(GBps): 382.7
Gain over DRAM only:                    1.4x
Gain over default interleave:           2.26x

=====================================================================
Performance test - Stream
From - Gregory Price <gregory.price@memverge.com>

Hardware: Single socket, single CXL expander
numactl extension: https://github.com/gmprice/numactl/tree/weighted_interleave_master

Summary: 64 threads, ~18GB workload, 3GB per array, executed 100 times
Default interleave : -78% (slower than DRAM)
Global weighting   : -6% to +4% (workload dependant)
mbind2 weights     : +2.5% to +4% (consistently better than DRAM)

dram only:
numactl --cpunodebind=1 --membind=1 ./stream_c.exe --ntimes 100 --array-size 400M --malloc
Function     Direction    BestRateMBs     AvgTime      MinTime      MaxTime
Copy:        0->0            200923.2     0.032662     0.031853     0.033301
Scale:       0->0            202123.0     0.032526     0.031664     0.032970
Add:         0->0            208873.2     0.047322     0.045961     0.047884
Triad:       0->0            208523.8     0.047262     0.046038     0.048414

CXL-only:
numactl --cpunodebind=1 -w --membind=2 ./stream_c.exe --ntimes 100 --array-size 400M --malloc
Copy:        0->0             22209.7     0.288661     0.288162     0.289342
Scale:       0->0             22288.2     0.287549     0.287147     0.288291
Add:         0->0             24419.1     0.393372     0.393135     0.393735
Triad:       0->0             24484.6     0.392337     0.392083     0.394331

Based on the above, the optimal weights are ~9:1
echo 9 > /sys/kernel/mm/mempolicy/weighted_interleave/node1
echo 1 > /sys/kernel/mm/mempolicy/weighted_interleave/node2

default interleave:
numactl --cpunodebind=1 --interleave=1,2 ./stream_c.exe --ntimes 100 --array-size 400M --malloc
Copy:        0->0             44666.2     0.143671     0.143285     0.144174
Scale:       0->0             44781.6     0.143256     0.142916     0.143713
Add:         0->0             48600.7     0.197719     0.197528     0.197858
Triad:       0->0             48727.5     0.197204     0.197014     0.197439

global weighted interleave:
numactl --cpunodebind=1 -w --interleave=1,2 ./stream_c.exe --ntimes 100 --array-size 400M --malloc
Copy:        0->0            190085.9     0.034289     0.033669     0.034645
Scale:       0->0            207677.4     0.031909     0.030817     0.033061
Add:         0->0            202036.8     0.048737     0.047516     0.053409
Triad:       0->0            217671.5     0.045819     0.044103     0.046755

targted regions w/ global weights (modified stream to mbind2 malloc'd regions))
numactl --cpunodebind=1 --membind=1 ./stream_c.exe -b --ntimes 100 --array-size 400M --malloc
Copy:        0->0            205827.0     0.031445     0.031094     0.031984
Scale:       0->0            208171.8     0.031320     0.030744     0.032505
Add:         0->0            217352.0     0.045087     0.044168     0.046515
Triad:       0->0            216884.8     0.045062     0.044263     0.046982

=====================================================================
Performance tests - XSBench
From - Hyeongtak Ji <hyeongtak.ji@sk.com>

Hardware: Single socket, Single CXL memory Expander

NUMA node 0: 56 logical cores, 128 GB memory
NUMA node 2: 96 GB CXL memory
Threads:     56
Lookups:     170,000,000

Summary: +19% over DRAM. +47% over default interleave.

Performance tests - XSBench
1. dram only
$ numactl -m 0 ./XSBench -s XL –p 5000000
Runtime:     36.235 seconds
Lookups/s:   4,691,618

2. default interleave
$ numactl –i 0,2 ./XSBench –s XL –p 5000000
Runtime:     55.243 seconds
Lookups/s:   3,077,293

3. weighted interleave
numactl –w –i 0,2 ./XSBench –s XL –p 5000000
Runtime:     29.262 seconds
Lookups/s:   5,809,513

=====================================================================
LTP Tests: https://github.com/gmprice/ltp/tree/mempolicy2

= Existing tests
set_mempolicy, get_mempolicy, mbind

MPOL_WEIGHTED_INTERLEAVE added manually to test basic functionality but
did not adjust tests for weighting.  Basically the weights were set to 1,
which is the default, and it should behave the same as MPOL_INTERLEAVE if
logic is correct.

== set_mempolicy01 : passed   18, failed   0
== set_mempolicy02 : passed   10, failed   0
== set_mempolicy03 : passed   64, failed   0
== set_mempolicy04 : passed   32, failed   0
== set_mempolicy05 - n/a on non-x86
== set_mempolicy06 : passed   10, failed   0
   this is set_mempolicy02 + MPOL_WEIGHTED_INTERLEAVE
== set_mempolicy07 : passed   32, failed   0
   set_mempolicy04 + MPOL_WEIGHTED_INTERLEAVE
== get_mempolicy01 : passed   12, failed   0
   change: added MPOL_WEIGHTED_INTERLEAVE
== get_mempolicy02 : passed   2, failed   0
== mbind01 : passed   15, failed   0
   added MPOL_WEIGHTED_INTERLEAVE
== mbind02 : passed   4, failed   0
   added MPOL_WEIGHTED_INTERLEAVE
== mbind03 : passed   16, failed   0
   added MPOL_WEIGHTED_INTERLEAVE
== mbind04 : passed   48, failed   0
   added MPOL_WEIGHTED_INTERLEAVE

=====================================================================
numactl (set_mempolicy) w/ global weighting test
numactl fork: https://github.com/gmprice/numactl/tree/weighted_interleave_master

command: numactl -w --interleave=0,1 ./eatmem

result (weights 1:1):
0176a000 weighted interleave:0-1 heap anon=65793 dirty=65793 active=0 N0=32897 N1=32896 kernelpagesize_kB=4
7fceeb9ff000 weighted interleave:0-1 anon=65537 dirty=65537 active=0 N0=32768 N1=32769 kernelpagesize_kB=4
50% distribution is correct

result (weights 5:1):
01b14000 weighted interleave:0-1 heap anon=65793 dirty=65793 active=0 N0=54828 N1=10965 kernelpagesize_kB=4
7f47a1dff000 weighted interleave:0-1 anon=65537 dirty=65537 active=0 N0=54614 N1=10923 kernelpagesize_kB=4
16.666% distribution is correct

result (weights 1:5):
01f07000 weighted interleave:0-1 heap anon=65793 dirty=65793 active=0 N0=10966 N1=54827 kernelpagesize_kB=4
7f17b1dff000 weighted interleave:0-1 anon=65537 dirty=65537 active=0 N0=10923 N1=54614 kernelpagesize_kB=4
16.666% distribution is correct

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main (void)
{
        char* mem = malloc(1024*1024*256);
        memset(mem, 1, 1024*1024*256);
        for (int i = 0; i  < ((1024*1024*256)/4096); i++)
        {
                mem = malloc(4096);
                mem[0] = 1;
        }
        printf("done\n");
        getchar();
        return 0;
}


This patch (of 4):

This patch provides a way to set interleave weight information under sysfs
at /sys/kernel/mm/mempolicy/weighted_interleave/nodeN

The sysfs structure is designed as follows.

  $ tree /sys/kernel/mm/mempolicy/
  /sys/kernel/mm/mempolicy/ [1]
  └── weighted_interleave [2]
      ├── node0 [3]
      └── node1

Each file above can be explained as follows.

[1] mm/mempolicy: configuration interface for mempolicy subsystem

[2] weighted_interleave/: config interface for weighted interleave policy

[3] weighted_interleave/nodeN: weight for nodeN

If a node value is set to `0`, the system-default value will be used.
As of this patch, the system-default for all nodes is always 1.

Link: https://lkml.kernel.org/r/20240202170238.90004-1-gregory.price@memverge.com
Link: https://lkml.kernel.org/r/20240202170238.90004-2-gregory.price@memverge.com
Suggested-by: "Huang, Ying" <ying.huang@intel.com>
Signed-off-by: Rakie Kim <rakie.kim@sk.com>
Signed-off-by: Honggyu Kim <honggyu.kim@sk.com>
Co-developed-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Gregory Price <gregory.price@memverge.com>
Co-developed-by: Hyeongtak Ji <hyeongtak.ji@sk.com>
Signed-off-by: Hyeongtak Ji <hyeongtak.ji@sk.com>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Gregory Price <gourry.memverge@gmail.com>
Cc: Hasan Al Maruf <Hasan.Maruf@amd.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Srinivasulu Thanneeru <sthanneeru.opensrc@micron.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-22 10:24:46 -08:00
Vishal Verma
73954d379e dax: add a sysfs knob to control memmap_on_memory behavior
Add a sysfs knob for dax devices to control the memmap_on_memory setting
if the dax device were to be hotplugged as system memory.

The default memmap_on_memory setting for dax devices originating via pmem
or hmem is set to 'false' - i.e.  no memmap_on_memory semantics, to
preserve legacy behavior.  For dax devices via CXL, the default is on. 
The sysfs control allows the administrator to override the above defaults
if needed.

Link: https://lkml.kernel.org/r/20240124-vv-dax_abi-v7-5-20d16cb8d23d@intel.com
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Tested-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Huang, Ying <ying.huang@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-22 10:24:40 -08:00
Vishal Verma
51e7849cd6 Documentatiion/ABI: add ABI documentation for sys-bus-dax
Add the missing sysfs ABI documentation for the device DAX subsystem.
Various ABI attributes under this have been present since v5.1, and more
have been added over time. In preparation for adding a new attribute,
add this file with the historical details.

Link: https://lkml.kernel.org/r/20240124-vv-dax_abi-v7-3-20d16cb8d23d@intel.com
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Li Zhijian <lizhijian@fujitsu.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-22 10:24:40 -08:00
Konstantin Ryabitsev
27103dddc2 Documentation: update mailing list addresses
The mailman2 server running on lists.linuxfoundation.org will be shut
down in very imminent future. Update all instances of obsolete list
addresses throughout the tree with their new destinations.

Signed-off-by: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240214-lf-org-list-migration-v1-1-ef1eab4b1543@linuxfoundation.org
2024-02-21 13:44:21 -07:00
Mark Brown
b96ccdcf9d
ASoC: Intel: avs: Fixes and new platforms support
Merge series from Cezary Rojewski <cezary.rojewski@intel.com>:

The avs-driver continues to be utilized on more recent Intel machines.
As TGL-based (cAVS 2.5) e.g.: RPL, inherit most of the functionality
from previous platforms:

SKL <- APL <- CNL <- ICL <- TGL

rather than putting everything into a single file, the platform-specific
bits are split into cnl/icl/tgl.c files instead. Makes the division clear
and code easier to maintain.

Layout of the patchset:

First are two changes combined together address the sound-clipping
problem, present when only one stream is running - specifically one
CAPTURE stream.

Follow up is naming-scheme adjustment for some of the existing functions
what improves code incohesiveness. As existing IPC/IRQ code operates
solely on cAVS 1.5 architecture, it needs no abstraction. The situation
changes when newer platforms come into the picture. Thus the next two
patches abstract the existing IPC/IRQ handlers so that majority of the
common code can be re-used.

The ICCMAX change stands out a bit - the AudioDSP firmware loading
procedure differs on ICL-based platforms (and onwards) and having a
separate commit makes the situation clear to the developers who are
going to support the solution from LTS perspective. For that reason
I decided not to merge it into the commit introducing the icl.c file.
2024-02-21 00:52:26 +00:00
Greg Kroah-Hartman
a09ebb32af Merge 6.8-rc5 into usb-next
We need the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-02-19 09:13:29 +01:00
Linus Torvalds
7efc0eb825 Char/Misc changes for 6.8-rc5
Here is a small set of char/misc and IIO driver fixes for 6.8-rc5
 
 Included in here are:
   - lots of iio driver fixes for reported issues
   - nvmem device naming fixup for reported problem
   - interconnect driver fixes for reported issues
 
 All of these have been in linux-next for a while with no reported the
 issues (the nvmem patch was included in a different branch in linux-next
 before sent to me for inclusion here.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / miscdriver fixes from Greg KH:
 "Here is a small set of char/misc and IIO driver fixes for 6.8-rc5.

  Included in here are:

   - lots of iio driver fixes for reported issues

   - nvmem device naming fixup for reported problem

   - interconnect driver fixes for reported issues

  All of these have been in linux-next for a while with no reported the
  issues (the nvmem patch was included in a different branch in
  linux-next before sent to me for inclusion here)"

* tag 'char-misc-6.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
  nvmem: include bit index in cell sysfs file name
  iio: adc: ad4130: only set GPIO_CTRL if pin is unused
  iio: adc: ad4130: zero-initialize clock init data
  interconnect: qcom: x1e80100: Add missing ACV enable_mask
  interconnect: qcom: sm8650: Use correct ACV enable_mask
  iio: accel: bma400: Fix a compilation problem
  iio: commom: st_sensors: ensure proper DMA alignment
  iio: hid-sensor-als: Return 0 for HID_USAGE_SENSOR_TIME_TIMESTAMP
  iio: move LIGHT_UVA and LIGHT_UVB to the end of iio_modifier
  staging: iio: ad5933: fix type mismatch regression
  iio: humidity: hdc3020: fix temperature offset
  iio: adc: ad7091r8: Fix error code in ad7091r8_gpio_setup()
  iio: adc: ad_sigma_delta: ensure proper DMA alignment
  iio: imu: adis: ensure proper DMA alignment
  iio: humidity: hdc3020: Add Makefile, Kconfig and MAINTAINERS entry
  iio: imu: bno055: serdev requires REGMAP
  iio: magnetometer: rm3100: add boundary check for the value read from RM3100_REG_TMRC
  iio: pressure: bmp280: Add missing bmp085 to SPI id table
  iio: core: fix memleak in iio_device_register_sysfs
  interconnect: qcom: sm8550: Enable sync_state
  ...
2024-02-17 08:52:38 -08:00
Heikki Krogerus
9a270ec7bf usb: roles: Link the switch to its connector
This is probable useful information to have in user space in
general, but it's primarily needed for the xHCI DbC (Debug
Capability). When xHCI DbC is being used, the USB port needs
to be muxed to the xHCI even in device role. In xHCI DbC mode,
the xHCI is the USB device controller.

Tested-by: Uday Bhat <uday.m.bhat@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20240213130018.3029991-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-02-17 17:02:42 +01:00
Weili Qian
ce133a2212 crypto: hisilicon/qm - obtain stop queue status
The debugfs files 'dev_state' and 'dev_timeout' are added.
Users can query the current queue stop status through these two
files. And set the waiting timeout when the queue is released.

dev_state: if dev_timeout is set, dev_state indicates the status
of stopping the queue. 0 indicates that the queue is stopped
successfully. Other values indicate that the queue stops fail.
If dev_timeout is not set, the value of dev_state is 0;

dev_timeout: if the queue fails to stop, the queue is released
after waiting dev_timeout * 20ms.

Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-02-17 09:09:16 +08:00
Arnd Bergmann
e20f378d99 nvmem: include bit index in cell sysfs file name
Creating sysfs files for all Cells caused a boot failure for linux-6.8-rc1 on
Apple M1, which (in downstream dts files) has multiple nvmem cells that use the
same byte address. This causes the device probe to fail with

[    0.605336] sysfs: cannot create duplicate filename '/devices/platform/soc@200000000/2922bc000.efuse/apple_efuses_nvmem0/cells/efuse@a10'
[    0.605347] CPU: 7 PID: 1 Comm: swapper/0 Tainted: G S                 6.8.0-rc1-arnd-5+ #133
[    0.605355] Hardware name: Apple Mac Studio (M1 Ultra, 2022) (DT)
[    0.605362] Call trace:
[    0.605365]  show_stack+0x18/0x2c
[    0.605374]  dump_stack_lvl+0x60/0x80
[    0.605383]  dump_stack+0x18/0x24
[    0.605388]  sysfs_warn_dup+0x64/0x80
[    0.605395]  sysfs_add_bin_file_mode_ns+0xb0/0xd4
[    0.605402]  internal_create_group+0x268/0x404
[    0.605409]  sysfs_create_groups+0x38/0x94
[    0.605415]  devm_device_add_groups+0x50/0x94
[    0.605572]  nvmem_populate_sysfs_cells+0x180/0x1b0
[    0.605682]  nvmem_register+0x38c/0x470
[    0.605789]  devm_nvmem_register+0x1c/0x6c
[    0.605895]  apple_efuses_probe+0xe4/0x120
[    0.606000]  platform_probe+0xa8/0xd0

As far as I can tell, this is a problem for any device with multiple cells on
different bits of the same address. Avoid the issue by changing the file name
to include the first bit number.

Fixes: 0331c61194 ("nvmem: core: Expose cells through sysfs")
Link: https://github.com/AsahiLinux/linux/blob/bd0a1a7d4/arch/arm64/boot/dts/apple/t600x-dieX.dtsi#L156
Cc:  <regressions@lists.linux.dev>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Rafał Miłecki <rafal@milecki.pl>
Cc: Chen-Yu Tsai <wenst@chromium.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:  <asahi@lists.linux.dev>
Cc: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20240209163454.98051-1-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-02-14 16:28:16 +01:00
Breno Leitao
5b3fbd61b9 net: sysfs: Fix /sys/class/net/<iface> path for statistics
The Documentation/ABI/testing/sysfs-class-net-statistics documentation
is pointing to the wrong path for the interface.  Documentation is
pointing to /sys/class/<iface>, instead of /sys/class/net/<iface>.

Fix it by adding the `net/` directory before the interface.

Fixes: 6044f97006 ("net: sysfs: document /sys/class/net/statistics/*")
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-12 12:13:50 +00:00
Tao Zhang
8e8804145a coresight-tpdm: Add msr register support for CMB
Add the nodes for CMB subunit MSR(mux select register) support.
CMB MSRs(mux select registers) is to separate mux, arbitration,
interleaving,data packing control from stream filtering control.

Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-11-git-send-email-quic_taozha@quicinc.com
2024-02-12 10:29:47 +00:00
Tao Zhang
dc6ce57e2a coresight-tpdm: Add timestamp control register support for the CMB
CMB_TIER register is CMB subunit timestamp insertion enable register.
Bit 0 is PATT_TSENAB bit. Set this bit to 1 to request a timestamp
following a CMB interface pattern match. Bit 1 is XTRIG_TSENAB bit.
Set this bit to 1 to request a timestamp following a CMB CTI timestamp
request. Bit 2 is TS_ALL bit. Set this bit to 1 to request timestamp
for all packets.

Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Jinlong Mao <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-9-git-send-email-quic_taozha@quicinc.com
2024-02-12 10:29:47 +00:00
Tao Zhang
53d4a017a5 coresight-tpdm: Add pattern registers support for CMB
Timestamps are requested if the monitor’s CMB data set unit input
data matches the value in the Monitor CMB timestamp pattern and mask
registers (M_CMB_TPR and M_CMB_TPMR) when CMB timestamp enabled
via the timestamp insertion enable register bit(CMB_TIER.PATT_TSENAB).
The pattern match trigger output is achieved via setting values into
the CMB trigger pattern and mask registers (CMB_XPR and CMB_XPMR).
After configuring a pattern through these registers, the TPDM subunit
will assert an output trigger every time it receives new input data
that matches the configured pattern value. Values in a given bit
number of the mask register correspond to the same bit number in
the corresponding pattern register.

Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Jinlong Mao <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-8-git-send-email-quic_taozha@quicinc.com
2024-02-12 10:29:47 +00:00
Tao Zhang
2d9ab11c26 coresight-tpdm: Add support to configure CMB
TPDM CMB subunits support two forms of CMB data set element creation:
continuous and trace-on-change collection mode. Continuous change
creates CMB data set elements on every CMBCLK edge. Trace-on-change
creates CMB data set elements only when a new data set element differs
in value from the previous element in a CMB data set. Set CMB_CR.MODE
to 0 for continuous CMB collection mode. Set CMB_CR.MODE to 1 for
trace-on-change CMB collection mode.

Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Jinlong Mao <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-7-git-send-email-quic_taozha@quicinc.com
2024-02-12 10:29:47 +00:00
Bartosz Golaszewski
104e00bbc7 Linux 6.8-rc4
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Merge tag 'v6.8-rc4' into gpio/for-next

Linux 6.8-rc4

Pulling this for a bugfix upstream with which the gpio/for-next branch
conflicts.
2024-02-12 10:12:41 +01:00
Nuno Sa
35c1bfb99f hwmon: add fault attribute for voltage channels
Sometimes a voltage channel might have an hard failure (eg: a shorted
MOSFET). Hence, add a fault attribute to report such failures.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240129-b4-ltc4282-support-v4-2-fe75798164cc@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2024-02-11 13:43:09 -08:00
Cezary Rojewski
f7fc624be3
ASoC: Intel: avs: Expose FW version with sysfs
Add functionality to read version of loaded FW from sysfs.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20240209085256.121261-1-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-02-09 14:32:51 +00:00
Damian Muszynski
f5419a4239 crypto: qat - add auto reset on error
Expose the `auto_reset` sysfs attribute to configure the driver to reset
the device when a fatal error is detected.

When auto reset is enabled, the driver resets the device when it detects
either an heartbeat failure or a fatal error through an interrupt.

This patch is based on earlier work done by Shashank Gupta.

Signed-off-by: Damian Muszynski <damian.muszynski@intel.com>
Reviewed-by: Ahsan Atta <ahsan.atta@intel.com>
Reviewed-by: Markas Rapoportas <markas.rapoportas@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Mun Chun Yep <mun.chun.yep@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-02-09 12:57:18 +08:00
Damian Muszynski
e2b67859ab crypto: qat - add heartbeat error simulator
Add a mechanism that allows to inject a heartbeat error for testing
purposes.
A new attribute `inject_error` is added to debugfs for each QAT device.
Upon a write on this attribute, the driver will inject an error on the
device which can then be detected by the heartbeat feature.
Errors are breaking the device functionality thus they require a
device reset in order to be recovered.

This functionality is not compiled by default, to enable it
CRYPTO_DEV_QAT_ERROR_INJECTION must be set.

Signed-off-by: Damian Muszynski <damian.muszynski@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Lucas Segarra Fernandez <lucas.segarra.fernandez@intel.com>
Reviewed-by: Ahsan Atta <ahsan.atta@intel.com>
Reviewed-by: Markas Rapoportas <markas.rapoportas@intel.com>
Signed-off-by: Mun Chun Yep <mun.chun.yep@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-02-09 12:57:18 +08:00
Chao Yu
c7115e094c f2fs: introduce FAULT_BLKADDR_CONSISTENCE
We will encounter below inconsistent status when FAULT_BLKADDR type
fault injection is on.

Info: checkpoint state = d6 :  nat_bits crc fsck compacted_summary orphan_inodes sudden-power-off
[ASSERT] (fsck_chk_inode_blk:1254)  --> ino: 0x1c100 has i_blocks: 000000c0, but has 191 blocks
[FIX] (fsck_chk_inode_blk:1260)  --> [0x1c100] i_blocks=0x000000c0 -> 0xbf
[FIX] (fsck_chk_inode_blk:1269)  --> [0x1c100] i_compr_blocks=0x00000026 -> 0x27
[ASSERT] (fsck_chk_inode_blk:1254)  --> ino: 0x1cadb has i_blocks: 0000002f, but has 46 blocks
[FIX] (fsck_chk_inode_blk:1260)  --> [0x1cadb] i_blocks=0x0000002f -> 0x2e
[FIX] (fsck_chk_inode_blk:1269)  --> [0x1cadb] i_compr_blocks=0x00000011 -> 0x12
[ASSERT] (fsck_chk_inode_blk:1254)  --> ino: 0x1c62c has i_blocks: 00000002, but has 1 blocks
[FIX] (fsck_chk_inode_blk:1260)  --> [0x1c62c] i_blocks=0x00000002 -> 0x1

After we inject fault into f2fs_is_valid_blkaddr() during truncation,
a) it missed to increase @nr_free or @valid_blocks
b) it can cause in blkaddr leak in truncated dnode
Which may cause inconsistent status.

This patch separates FAULT_BLKADDR_CONSISTENCE from FAULT_BLKADDR,
and rename FAULT_BLKADDR to FAULT_BLKADDR_VALIDITY
so that we can:
a) use FAULT_BLKADDR_CONSISTENCE in f2fs_truncate_data_blocks_range()
to simulate inconsistent issue independently, then it can verify fsck
repair flow.
b) FAULT_BLKADDR_VALIDITY fault will not cause any inconsistent status,
we can just use it to check error path handling in kernel side.

Reviewed-by: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2024-02-05 18:58:39 -08:00
Greg Kroah-Hartman
ed5551279c Merge 6.8-rc3 into usb-next
We need the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-02-04 06:19:37 -08:00
Johan Hovold
96ed79791b PCI/AER: Clean up version indentation in ABI docs
The 'KernelVersion' lines use a single space as separator instead of a tab
so the values are not aligned with the other AER attribute fields.

Link: https://lore.kernel.org/r/20240202131635.11405-3-johan+linaro@kernel.org
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2024-02-02 17:21:40 -06:00
Johan Hovold
0e7d29a39a PCI/AER: Fix rootport attribute paths in ABI docs
The 'aer_stats' directory never made it into the sixth and final revision
of the series adding the sysfs AER attributes.

Link: https://lore.kernel.org/r/20240202131635.11405-2-johan+linaro@kernel.org
Link: https://lore.kernel.org/lkml/20180621184822.GB14136@bhelgaas-glaptop.roam.corp.google.com/
Fixes: 12833017e5 ("PCI/AER: Add sysfs attributes for rootport cumulative stats")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2024-02-02 17:21:10 -06:00
Linus Torvalds
9c2f0338bb drm fixes for 6.8-rc3
dma-buf:
 - heaps CMA page accounting fix
 
 virtio-gpu:
 - fix segment size
 
 xe:
 - A crash fix
 - A fix for an assert due to missing mem_acces ref
 - Only allow a single user-fence per exec / bind.
 - Some sparse warning fixes
 - Two fixes for compilation failures on various odd
   combinations of gcc / arch pointed out on LKML.
 - Fix a fragile partial allocation pointed out on LKML.
 - A sysfs ABI documentation warning fix
 
 amdgpu:
 - Fix reboot issue seen on some 7000 series dGPUs
 - Fix client init order for KFD
 - Misc display fixes
 - USB-C fix
 - DCN 3.5 fixes
 - Fix issues with GPU scheduler and GPU reset
 - GPU firmware loading fix
 - Misc fixes
 - GC 11.5 fix
 - VCN 4.0.5 fix
 - IH overflow fix
 
 amdkfd:
 - SVM fixes
 - Trap handler fix
 - Fix device permission lookup
 - Properly reserve BO before validating it
 
 nouveau:
 - fence/irq lock deadlock fix (second attempt)
 - gsp command size fix
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Merge tag 'drm-fixes-2024-02-03' of git://anongit.freedesktop.org/drm/drm

Pul drm fixes from Dave Airlie:
 "Regular weekly fixes, mostly amdgpu and xe. One nouveau fix is a
  better fix for the deadlock and also helps with a sync race we were
  seeing.

  dma-buf:
   - heaps CMA page accounting fix

  virtio-gpu:
   - fix segment size

  xe:
   - A crash fix
   - A fix for an assert due to missing mem_acces ref
   - Only allow a single user-fence per exec / bind.
   - Some sparse warning fixes
   - Two fixes for compilation failures on various odd combinations of
     gcc / arch pointed out on LKML.
   - Fix a fragile partial allocation pointed out on LKML.
   - A sysfs ABI documentation warning fix

  amdgpu:
   - Fix reboot issue seen on some 7000 series dGPUs
   - Fix client init order for KFD
   - Misc display fixes
   - USB-C fix
   - DCN 3.5 fixes
   - Fix issues with GPU scheduler and GPU reset
   - GPU firmware loading fix
   - Misc fixes
   - GC 11.5 fix
   - VCN 4.0.5 fix
   - IH overflow fix

  amdkfd:
   - SVM fixes
   - Trap handler fix
   - Fix device permission lookup
   - Properly reserve BO before validating it

  nouveau:
   - fence/irq lock deadlock fix (second attempt)
   - gsp command size fix

* tag 'drm-fixes-2024-02-03' of git://anongit.freedesktop.org/drm/drm: (35 commits)
  nouveau: offload fence uevents work to workqueue
  nouveau/gsp: use correct size for registry rpc.
  drm/amdgpu/pm: Use inline function for IP version check
  drm/hwmon: Fix abi doc warnings
  drm/xe: Make all GuC ABI shift values unsigned
  drm/xe/vm: Subclass userptr vmas
  drm/xe: Use LRC prefix rather than CTX prefix in lrc desc defines
  drm/xe: Don't use __user error pointers
  drm/xe: Annotate mcr_[un]lock()
  drm/xe: Only allow 1 ufence per exec / bind IOCTL
  drm/xe: Grab mem_access when disabling C6 on skip_guc_pc platforms
  drm/xe: Fix crash in trace_dma_fence_init()
  drm/amdgpu: Reset IH OVERFLOW_CLEAR bit
  drm/amdgpu: remove asymmetrical irq disabling in vcn 4.0.5 suspend
  drm/amdgpu: drm/amdgpu: remove golden setting for gfx 11.5.0
  drm/amdkfd: reserve the BO before validating it
  drm/amdgpu: Fix missing error code in 'gmc_v6/7/8/9_0_hw_init()'
  drm/amd/display: Fix buffer overflow in 'get_host_router_total_dp_tunnel_bw()'
  drm/amd/display: Add NULL check for kzalloc in 'amdgpu_dm_atomic_commit_tail()'
  drm/amd: Don't init MEC2 firmware when it fails to load
  ...
2024-02-02 12:54:46 -08:00
Dave Airlie
111a3f0afb UAPI Changes:
- Only allow a single user-fence per exec / bind.
   The reason for this clarification fix is a limitation in the implementation
   which can be lifted moving forward, if needed.
 
 Driver Changes:
 - A crash fix
 - A fix for an assert due to missing mem_acces ref
 - Only allow a single user-fence per exec / bind.
 - Some sparse warning fixes
 - Two fixes for compilation failures on various odd
   combinations of gcc / arch pointed out on LKML.
 - Fix a fragile partial allocation pointed out on LKML.
 
 Cross-driver Change:
 - A sysfs ABI documentation warning fix
   This also touches i915 and is acked by i915 maintainers.
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Merge tag 'drm-xe-fixes-2024-02-01' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

UAPI Changes:
- Only allow a single user-fence per exec / bind.
  The reason for this clarification fix is a limitation in the implementation
  which can be lifted moving forward, if needed.

Driver Changes:
- A crash fix
- A fix for an assert due to missing mem_acces ref
- Only allow a single user-fence per exec / bind.
- Some sparse warning fixes
- Two fixes for compilation failures on various odd
  combinations of gcc / arch pointed out on LKML.
- Fix a fragile partial allocation pointed out on LKML.

Cross-driver Change:
- A sysfs ABI documentation warning fix
  This also touches i915 and is acked by i915 maintainers.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZbuCYdMDVK-kAWC5@fedora
2024-02-02 13:52:28 +10:00
Linus Torvalds
41b9fb381a Including fixes from netfilter.
As Paolo promised we continue to hammer out issues in our selftests.
 This is not the end but probably the peak.
 
 Current release - regressions:
 
  - smc: fix incorrect SMC-D link group matching logic
 
 Current release - new code bugs:
 
  - eth: bnxt: silence WARN() when device skips a timestamp, it happens
 
 Previous releases - regressions:
 
  - ipmr: fix null-deref when forwarding mcast packets
 
  - conntrack: evaluate window negotiation only for packets in the REPLY
    direction, otherwise SYN retransmissions trigger incorrect window
    scale negotiation
 
  - ipset: fix performance regression in swap operation
 
 Previous releases - always broken:
 
  - tcp: add sanity checks to types of pages getting into
    the rx zerocopy path, we only support basic NIC -> user,
    no page cache pages etc.
 
  - ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv()
 
  - nt_tables: more input sanitization changes
 
  - dsa: mt7530: fix 10M/100M speed on MediaTek MT7988 switch
 
  - bridge: mcast: fix loss of snooping after long uptime,
    jiffies do wrap on 32bit
 
  - xen-netback: properly sync TX responses, protect with locking
 
  - phy: mediatek-ge-soc: sync calibration values with MediaTek SDK,
    increase connection stability
 
  - eth: pds: fixes for various teardown, and reset races
 
 Misc:
 
  - hsr: silence WARN() if we can't alloc supervision frame, it happens
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from netfilter.

  As Paolo promised we continue to hammer out issues in our selftests.
  This is not the end but probably the peak.

  Current release - regressions:

   - smc: fix incorrect SMC-D link group matching logic

  Current release - new code bugs:

   - eth: bnxt: silence WARN() when device skips a timestamp, it happens

  Previous releases - regressions:

   - ipmr: fix null-deref when forwarding mcast packets

   - conntrack: evaluate window negotiation only for packets in the
     REPLY direction, otherwise SYN retransmissions trigger incorrect
     window scale negotiation

   - ipset: fix performance regression in swap operation

  Previous releases - always broken:

   - tcp: add sanity checks to types of pages getting into the rx
     zerocopy path, we only support basic NIC -> user, no page cache
     pages etc.

   - ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv()

   - nt_tables: more input sanitization changes

   - dsa: mt7530: fix 10M/100M speed on MediaTek MT7988 switch

   - bridge: mcast: fix loss of snooping after long uptime, jiffies do
     wrap on 32bit

   - xen-netback: properly sync TX responses, protect with locking

   - phy: mediatek-ge-soc: sync calibration values with MediaTek SDK,
     increase connection stability

   - eth: pds: fixes for various teardown, and reset races

  Misc:

   - hsr: silence WARN() if we can't alloc supervision frame, it
     happens"

* tag 'net-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (82 commits)
  doc/netlink/specs: Add missing attr in rt_link spec
  idpf: avoid compiler padding in virtchnl2_ptype struct
  selftests: mptcp: join: stop transfer when check is done (part 2)
  selftests: mptcp: join: stop transfer when check is done (part 1)
  selftests: mptcp: allow changing subtests prefix
  selftests: mptcp: decrease BW in simult flows
  selftests: mptcp: increase timeout to 30 min
  selftests: mptcp: add missing kconfig for NF Mangle
  selftests: mptcp: add missing kconfig for NF Filter in v6
  selftests: mptcp: add missing kconfig for NF Filter
  mptcp: fix data re-injection from stale subflow
  selftests: net: enable some more knobs
  selftests: net: add missing config for NF_TARGET_TTL
  selftests: forwarding: List helper scripts in TEST_FILES Makefile variable
  selftests: net: List helper scripts in TEST_FILES Makefile variable
  selftests: net: Remove executable bits from library scripts
  selftests: bonding: Check initial state
  selftests: team: Add missing config options
  hv_netvsc: Fix race condition between netvsc_probe and netvsc_remove
  xen-netback: properly sync TX responses
  ...
2024-02-01 12:39:54 -08:00
Breno Leitao
ae3f4b4464 net: sysfs: Fix /sys/class/net/<iface> path
The documentation is pointing to the wrong path for the interface.
Documentation is pointing to /sys/class/<iface>, instead of
/sys/class/net/<iface>.

Fix it by adding the `net/` directory before the interface.

Fixes: 1a02ef76ac ("net: sysfs: add documentation entries for /sys/class/<iface>/queues")
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20240131102150.728960-2-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-02-01 08:16:34 -08:00
Badal Nilawar
5f16ee27cd drm/hwmon: Fix abi doc warnings
This fixes warnings in xe, i915 hwmon docs:

Warning: /sys/devices/.../hwmon/hwmon<i>/curr1_crit is defined 2 times:  Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon:35  Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon:52
Warning: /sys/devices/.../hwmon/hwmon<i>/energy1_input is defined 2 times:  Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon:54  Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon:65
Warning: /sys/devices/.../hwmon/hwmon<i>/in0_input is defined 2 times:  Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon:46  Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon:0
Warning: /sys/devices/.../hwmon/hwmon<i>/power1_crit is defined 2 times:  Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon:22  Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon:39
Warning: /sys/devices/.../hwmon/hwmon<i>/power1_max is defined 2 times:  Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon:0  Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon:8
Warning: /sys/devices/.../hwmon/hwmon<i>/power1_max_interval is defined 2 times:  Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon:62  Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon:30
Warning: /sys/devices/.../hwmon/hwmon<i>/power1_rated_max is defined 2 times:  Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon:14  Documentation/ABI/testing/sysfs-driver-intel-i915-hwmon:22

Use a path containing the driver name to differentiate the documentation
of each entry.

Fixes: fb1b70607f ("drm/xe/hwmon: Expose power attributes")
Fixes: 92d44a422d ("drm/xe/hwmon: Expose card reactive critical power")
Fixes: fbcdc9d3bf ("drm/xe/hwmon: Expose input voltage attribute")
Fixes: 71d0a32524 ("drm/xe/hwmon: Expose hwmon energy attribute")
Fixes: 4446fcf220 ("drm/xe/hwmon: Expose power1_max_interval")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/all/20240125113345.291118ff@canb.auug.org.au/
Signed-off-by: Badal Nilawar <badal.nilawar@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240127165040.2348009-1-badal.nilawar@intel.com
(cherry picked from commit 20485e3a81)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
2024-02-01 12:04:52 +01:00
Peter Korsgaard
43a029724d usb: gadget: f_fs: expose ready state in configfs
When a USB gadget is configured through configfs with 1 or more f_fs
functions, then the logic setting up the gadget configuration has to wait
until the user space code (typically separate applications) responsible for
those functions have written their descriptors before the gadget can be
activated.

The f_fs instance already knows if this has been done, so expose it through
a "ready" attribute in configfs for easier synchronization.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Link: https://lore.kernel.org/r/20240126203208.2482573-1-peter@korsgaard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-27 17:39:21 -08:00
Weili Qian
8413fe3e7f crypto: hisilicon/qm - support get device state
Support get device current state. The value 0 indicates that
the device is busy, and the value 1 indicates that the
device is idle. When the device is in suspended, 1 is returned.

Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2024-01-26 16:39:32 +08:00
Hans de Goede
41237735cc platform/x86: silicom-platform: Add missing "Description:" for power_cycle sysfs attr
The Documentation/ABI/testing/sysfs-platform-silicom entry
for the power_cycle sysfs attr is missing the "Description:" keyword,
add this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240108140655.547261-1-hdegoede@redhat.com
2024-01-22 11:37:28 +01:00
Kent Gibson
f1fc93d9e5 Documentation: ABI: update sysfs-gpio to reference gpio-cdev
Update the sysfs-gpio interface document to refer to the gpio-cdev
interface that obsoletes it.

Signed-off-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2024-01-22 10:49:03 +01:00
Kent Gibson
c27cdd7a30 Documentation: ABI: update gpio-cdev to reference chardev.rst
Update the gpio-cdev interface document to refer to the new
chardev.rst.

Signed-off-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2024-01-22 10:47:53 +01:00
Linus Torvalds
db5ccb9eb2 cxl for v6.8
- Add support for parsing the Coherent Device Attribute Table (CDAT)
 
 - Add support for calculating a platform CXL QoS class from CDAT data
 
 - Unify the tracing of EFI CXL Events with native CXL Events.
 
 - Add Get Timestamp support
 
 - Miscellaneous cleanups and fixups
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Merge tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL (Compute Express Link) updates from Dan Williams:
 "The bulk of this update is support for enumerating the performance
  capabilities of CXL memory targets and connecting that to a platform
  CXL memory QoS class. Some follow-on work remains to hook up this data
  into core-mm policy, but that is saved for v6.9.

  The next significant update is unifying how CXL event records (things
  like background scrub errors) are processed between so called
  "firmware first" and native error record retrieval. The CXL driver
  handler that processes the record retrieved from the device mailbox is
  now the handler for that same record format coming from an EFI/ACPI
  notification source.

  This also contains miscellaneous feature updates, like Get Timestamp,
  and other fixups.

  Summary:

   - Add support for parsing the Coherent Device Attribute Table (CDAT)

   - Add support for calculating a platform CXL QoS class from CDAT data

   - Unify the tracing of EFI CXL Events with native CXL Events.

   - Add Get Timestamp support

   - Miscellaneous cleanups and fixups"

* tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (41 commits)
  cxl/core: use sysfs_emit() for attr's _show()
  cxl/pci: Register for and process CPER events
  PCI: Introduce cleanup helpers for device reference counts and locks
  acpi/ghes: Process CXL Component Events
  cxl/events: Create a CXL event union
  cxl/events: Separate UUID from event structures
  cxl/events: Remove passing a UUID to known event traces
  cxl/events: Create common event UUID defines
  cxl/events: Promote CXL event structures to a core header
  cxl: Refactor to use __free() for cxl_root allocation in cxl_endpoint_port_probe()
  cxl: Refactor to use __free() for cxl_root allocation in cxl_find_nvdimm_bridge()
  cxl: Fix device reference leak in cxl_port_perf_data_calculate()
  cxl: Convert find_cxl_root() to return a 'struct cxl_root *'
  cxl: Introduce put_cxl_root() helper
  cxl/port: Fix missing target list lock
  cxl/port: Fix decoder initialization when nr_targets > interleave_ways
  cxl/region: fix x9 interleave typo
  cxl/trace: Pass UUID explicitly to event traces
  cxl/region: use %pap format to print resource_size_t
  cxl/region: Add dev_dbg() detail on failure to allocate HPA space
  ...
2024-01-18 16:22:43 -08:00
Linus Torvalds
244aefb1c6 VFIO updates for v6.8-rc1
- Add debugfs support, initially used for reporting device migration
    state. (Longfang Liu)
 
  - Fixes and support for migration dirty tracking across multiple IOVA
    regions in the pds-vfio-pci driver. (Brett Creeley)
 
  - Improved IOMMU allocation accounting visibility. (Pasha Tatashin)
 
  - Virtio infrastructure and a new virtio-vfio-pci variant driver, which
    provides emulation of a legacy virtio interfaces on modern virtio
    hardware for virtio-net VF devices where the PF driver exposes
    support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
    VF to provide driver ABI compatibility to legacy devices.
    (Yishai Hadas & Feng Liu)
 
  - Migration fixes for the hisi-acc-vfio-pci variant driver.
    (Shameer Kolothum)
 
  - Kconfig dependency fix for new virtio-vfio-pci variant driver.
    (Arnd Bergmann)
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Merge tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Add debugfs support, initially used for reporting device migration
   state (Longfang Liu)

 - Fixes and support for migration dirty tracking across multiple IOVA
   regions in the pds-vfio-pci driver (Brett Creeley)

 - Improved IOMMU allocation accounting visibility (Pasha Tatashin)

 - Virtio infrastructure and a new virtio-vfio-pci variant driver, which
   provides emulation of a legacy virtio interfaces on modern virtio
   hardware for virtio-net VF devices where the PF driver exposes
   support for legacy admin queues, ie. an emulated IO BAR on an SR-IOV
   VF to provide driver ABI compatibility to legacy devices (Yishai
   Hadas & Feng Liu)

 - Migration fixes for the hisi-acc-vfio-pci variant driver (Shameer
   Kolothum)

 - Kconfig dependency fix for new virtio-vfio-pci variant driver (Arnd
   Bergmann)

* tag 'vfio-v6.8-rc1' of https://github.com/awilliam/linux-vfio: (22 commits)
  vfio/virtio: fix virtio-pci dependency
  hisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume
  vfio/virtio: Declare virtiovf_pci_aer_reset_done() static
  vfio/virtio: Introduce a vfio driver over virtio devices
  vfio/pci: Expose vfio_pci_core_iowrite/read##size()
  vfio/pci: Expose vfio_pci_core_setup_barmap()
  virtio-pci: Introduce APIs to execute legacy IO admin commands
  virtio-pci: Initialize the supported admin commands
  virtio-pci: Introduce admin commands
  virtio-pci: Introduce admin command sending function
  virtio-pci: Introduce admin virtqueue
  virtio: Define feature bit for administration virtqueue
  vfio/type1: account iommu allocations
  vfio/pds: Add multi-region support
  vfio/pds: Move seq/ack bitmaps into region struct
  vfio/pds: Pass region info to relevant functions
  vfio/pds: Move and rename region specific info
  vfio/pds: Only use a single SGL for both seq and ack
  vfio/pds: Fix calculations in pds_vfio_dirty_sync
  MAINTAINERS: Add vfio debugfs interface doc link
  ...
2024-01-18 15:57:25 -08:00
Linus Torvalds
80955ae955 Driver core changes for 6.8-rc1
Here are the set of driver core and kernfs changes for 6.8-rc1.  Nothing
 major in here this release cycle, just lots of small cleanups and some
 tweaks on kernfs that in the very end, got reverted and will come back
 in a safer way next release cycle.
 
 Included in here are:
   - more driver core 'const' cleanups and fixes
   - fw_devlink=rpm is now the default behavior
   - kernfs tiny changes to remove some string functions
   - cpu handling in the driver core is updated to work better on many
     systems that add topologies and cpus after booting
   - other minor changes and cleanups
 
 All of the cpu handling patches have been acked by the respective
 maintainers and are coming in here in one series.  Everything has been
 in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here are the set of driver core and kernfs changes for 6.8-rc1.
  Nothing major in here this release cycle, just lots of small cleanups
  and some tweaks on kernfs that in the very end, got reverted and will
  come back in a safer way next release cycle.

  Included in here are:

   - more driver core 'const' cleanups and fixes

   - fw_devlink=rpm is now the default behavior

   - kernfs tiny changes to remove some string functions

   - cpu handling in the driver core is updated to work better on many
     systems that add topologies and cpus after booting

   - other minor changes and cleanups

  All of the cpu handling patches have been acked by the respective
  maintainers and are coming in here in one series. Everything has been
  in linux-next for a while with no reported issues"

* tag 'driver-core-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (51 commits)
  Revert "kernfs: convert kernfs_idr_lock to an irq safe raw spinlock"
  kernfs: convert kernfs_idr_lock to an irq safe raw spinlock
  class: fix use-after-free in class_register()
  PM: clk: make pm_clk_add_notifier() take a const pointer
  EDAC: constantify the struct bus_type usage
  kernfs: fix reference to renamed function
  driver core: device.h: fix Excess kernel-doc description warning
  driver core: class: fix Excess kernel-doc description warning
  driver core: mark remaining local bus_type variables as const
  driver core: container: make container_subsys const
  driver core: bus: constantify subsys_register() calls
  driver core: bus: make bus_sort_breadthfirst() take a const pointer
  kernfs: d_obtain_alias(NULL) will do the right thing...
  driver core: Better advertise dev_err_probe()
  kernfs: Convert kernfs_path_from_node_locked() from strlcpy() to strscpy()
  kernfs: Convert kernfs_name_locked() from strlcpy() to strscpy()
  kernfs: Convert kernfs_walk_ns() from strlcpy() to strscpy()
  initramfs: Expose retained initrd as sysfs file
  fs/kernfs/dir: obey S_ISGID
  kernel/cgroup: use kernfs_create_dir_ns()
  ...
2024-01-18 09:48:40 -08:00
Linus Torvalds
296455ade1 Char/Misc and other Driver changes for 6.8-rc1
Here is the big set of char/misc and other driver subsystem changes for
 6.8-rc1.  Lots of stuff in here, but first off, you will get a merge
 conflict in drivers/android/binder_alloc.c when merging this tree due to
 changing coming in through the -mm tree.
 
 The resolution of the merge issue can be found here:
 	https://lore.kernel.org/r/20231207134213.25631ae9@canb.auug.org.au
 or in a simpler patch form in that thread:
 	https://lore.kernel.org/r/ZXHzooF07LfQQYiE@google.com
 
 If there are issues with the merge of this file, please let me know.
 
 Other than lots of binder driver changes (as you can see by the merge
 conflicts) included in here are:
  - lots of iio driver updates and additions
  - spmi driver updates
  - eeprom driver updates
  - firmware driver updates
  - ocxl driver updates
  - mhi driver updates
  - w1 driver updates
  - nvmem driver updates
  - coresight driver updates
  - platform driver remove callback api changes
  - tags.sh script updates
  - bus_type constant marking cleanups
  - lots of other small driver updates
 
 All of these have been in linux-next for a while with no reported issues
 (other than the binder merge conflict.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver updates from Greg KH:
 "Here is the big set of char/misc and other driver subsystem changes
  for 6.8-rc1.

  Other than lots of binder driver changes (as you can see by the merge
  conflicts) included in here are:

   - lots of iio driver updates and additions

   - spmi driver updates

   - eeprom driver updates

   - firmware driver updates

   - ocxl driver updates

   - mhi driver updates

   - w1 driver updates

   - nvmem driver updates

   - coresight driver updates

   - platform driver remove callback api changes

   - tags.sh script updates

   - bus_type constant marking cleanups

   - lots of other small driver updates

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (341 commits)
  android: removed duplicate linux/errno
  uio: Fix use-after-free in uio_open
  drivers: soc: xilinx: add check for platform
  firmware: xilinx: Export function to use in other module
  scripts/tags.sh: remove find_sources
  scripts/tags.sh: use -n to test archinclude
  scripts/tags.sh: add local annotation
  scripts/tags.sh: use more portable -path instead of -wholename
  scripts/tags.sh: Update comment (addition of gtags)
  firmware: zynqmp: Convert to platform remove callback returning void
  firmware: turris-mox-rwtm: Convert to platform remove callback returning void
  firmware: stratix10-svc: Convert to platform remove callback returning void
  firmware: stratix10-rsu: Convert to platform remove callback returning void
  firmware: raspberrypi: Convert to platform remove callback returning void
  firmware: qemu_fw_cfg: Convert to platform remove callback returning void
  firmware: mtk-adsp-ipc: Convert to platform remove callback returning void
  firmware: imx-dsp: Convert to platform remove callback returning void
  firmware: coreboot_table: Convert to platform remove callback returning void
  firmware: arm_scpi: Convert to platform remove callback returning void
  firmware: arm_scmi: Convert to platform remove callback returning void
  ...
2024-01-17 16:47:17 -08:00
Linus Torvalds
a3f4a07b50 I3C for 6.7
Core:
  - Add a sysfs control for hotjoin
  - Add fallback method for GETMXDS CCC
 
 Drivers:
  - cdns: fix prescale for i2c clock
  - mipi-i3c-hci: more fixes now that the driver is used
  - svc: hotjoin enabling/disabling support
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Merge tag 'i3c/for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3c updates from Alexandre Belloni:
 "We are continuing to see more fixes as hardware is available and code
  is actually getting tested.

  Core:
   - Add a sysfs control for hotjoin
   - Add fallback method for GETMXDS CCC

  Drivers:
   - cdns: fix prescale for i2c clock
   - mipi-i3c-hci: more fixes now that the driver is used
   - svc: hotjoin enabling/disabling support"

* tag 'i3c/for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
  i3c: document hotjoin sysfs entry
  i3c: master: fix kernel-doc check warning
  i3c: master: cdns: Update maximum prescaler value for i2c clock
  i3c: master: fix Excess kernel-doc description warning
  i3c: master: svc: return actual transfer data len
  i3c: master: svc: rename read_len as actual_len
  i3c: add actual_len in i3c_priv_xfer
  i3c: master: svc: add hot join support
  i3c: master: add enable(disable) hot join in sys entry
  i3c: master: Fix build error
  i3c: Add fallback method for GETMXDS CCC
  i3c: mipi-i3c-hci: Add DMA bounce buffer for private transfers
  i3c: mipi-i3c-hci: Handle I3C address header error in hci_cmd_v1_daa()
  i3c: mipi-i3c-hci: Do not overallocate transfers in hci_cmd_v1_daa()
  i3c: mipi-i3c-hci: Report NACK response from CCC command to core
2024-01-17 16:06:16 -08:00
Linus Torvalds
08df80a3c5 - New Drivers
- Add support for Allwinner A100 RGB LED controller
    - Add support for Maxim 5970 Dual Hot-swap controller
 
  - New Device Support
    - Add support for AW20108 to Awinic LED driver
 
  - New Functionality
    - Extend support for Net speeds to include; 2.5G, 5G and 10G
    - Allow tx/rx and cts/dsr/dcd/rng TTY LEDS to be turned on and off via sysfs if required
    - Add support for hardware control in AW200xx
 
  - Fix-ups
    - Use safer methods for string handling
    - Improve error handling; return proper error values, simplify, avoid duplicates, etc
    - Replace Mutex use with the Completion mechanism
    - Fix include lists; alphabetise, remove unused, explicitly add used
    - Use generic platform device properties
    - Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
    - Device Tree binding adaptions/conversions/creation
    - Continue work to remove superfluous platform .remove() call-backs
    - Remove superfluous/defunct code
    - Trivial; whitespace, unused variables, spelling, clean-ups, etc
    - Avoid unnecessary duplicate locks
 
  - Bug Fixes
    - Repair Kconfig based dependency lists
    - Ensure unused dynamically allocated data is freed after use
    - Fix support for brightness control
    - Add missing sufficient delays during reset to ensure correct operation
    - Avoid division-by-zero issues
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Merge tag 'leds-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "New Drivers:
   - Add support for Allwinner A100 RGB LED controller
   - Add support for Maxim 5970 Dual Hot-swap controller

  New Device Support:
   - Add support for AW20108 to Awinic LED driver

  New Functionality:
   - Extend support for Net speeds to include; 2.5G, 5G and 10G
   - Allow tx/rx and cts/dsr/dcd/rng TTY LEDS to be turned on and off
     via sysfs if required
   - Add support for hardware control in AW200xx

  Fix-ups:
   - Use safer methods for string handling
   - Improve error handling; return proper error values, simplify,
     avoid duplicates, etc
   - Replace Mutex use with the Completion mechanism
   - Fix include lists; alphabetise, remove unused, explicitly add used
   - Use generic platform device properties
   - Use/convert to new/better APIs/helpers/MACROs instead of
     hand-rolling implementations
   - Device Tree binding adaptions/conversions/creation
   - Continue work to remove superfluous platform .remove() call-backs
   - Remove superfluous/defunct code
   - Trivial; whitespace, unused variables, spelling, clean-ups, etc
   - Avoid unnecessary duplicate locks

  Bug Fixes:
   - Repair Kconfig based dependency lists
   - Ensure unused dynamically allocated data is freed after use
   - Fix support for brightness control
   - Add missing sufficient delays during reset to ensure correct
     operation
   - Avoid division-by-zero issues"

* tag 'leds-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (45 commits)
  leds: trigger: netdev: Add core support for hw not supporting fallback to LED sw control
  leds: trigger: panic: Don't register panic notifier if creating the trigger failed
  leds: sun50i-a100: Convert to be agnostic to property provider
  leds: max5970: Add missing headers
  leds: max5970: Make use of dev_err_probe()
  leds: max5970: Make use of device properties
  leds: max5970: Remove unused variable
  leds: rgb: Drop obsolete dependency on COMPILE_TEST
  leds: sun50i-a100: Avoid division-by-zero warning
  leds: trigger: Remove unused function led_trigger_rename_static()
  leds: qcom-lpg: Introduce a wrapper for getting driver data from a pwm chip
  leds: gpio: Add kernel log if devm_fwnode_gpiod_get() fails
  dt-bindings: leds: qcom,spmi-flash-led: Fix example node name
  dt-bindings: leds: aw200xx: Fix led pattern and add reg constraints
  dt-bindings: leds: awinic,aw200xx: Add AW20108 device
  leds: aw200xx: Add support for aw20108 device
  leds: aw200xx: Improve autodim calculation method
  leds: aw200xx: Enable disable_locking flag in regmap config
  leds: aw200xx: Add delay after software reset
  dt-bindings: leds: aw200xx: Remove property "awinic,display-rows"
  ...
2024-01-17 15:25:27 -08:00
Alexandre Belloni
4fa0888f6f i3c: document hotjoin sysfs entry
The hotjoin syfs entry allows to enable or disable Hot-Join on the Current
Controller of the I3C Bus.

Link: https://lore.kernel.org/r/20240114225232.140860-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-01-15 00:21:14 +01:00
Linus Torvalds
5dfec3cf3e hwmon updates for v6.8
- New drivers
 
   * pmbus: Support for MPS Multi-phase mp2856/mp2857 controller
 
   * pmbus: Support for MPS Multi-phase mp5990
 
   * Driver for Gigabyte AORUS Waterforce AIO coolers
 
 0c459759ca hwmon: (pmbus) Add ltc4286 driver
 
 - Added support to existing drivers
 
   * lm75: Support for AMS AS6200 temperature sensor
 
   * k10temp: Support for AMD Family 19h Model 8h
 
   * max31827: Support for max31828 and max31829
 
   * sht3x: Support for sts3x
 
   * Add support for WMI SMM interface, and various related improvements.
     Add support for Optiplex 7000
 
   * emc1403: Support for EMC1442
 
   * npcm750-pwm-fan: Support for NPCM8xx
 
   * nct6775: Add support for 2 additional fan controls
 
 - Minor improvements and bug fixes
 
   * gigabyte_waterforce: Mark status report as received under a spinlock
 
   * aquacomputer_d5next: Remove unneeded CONFIG_DEBUG_FS #ifdef
 
   * gpio-fan: Convert txt bindings to yaml
 
   * smsc47m1: Various cleanups / improvements
 
   * corsair-cpro: use NULL instead of 0
 
   * hp-wmi-sensors: Fix failure to load on EliteDesk 800 G6
 
   * tmp513: Various cleanups
 
   * peci/dimmtemp: Bump timeout
 
   * pc87360: Bounds check data->innr usage
 
   * nct6775: Fix fan speed set failure in automatic mode
 
   * ABI: sysfs-class-hwmon: document various missing attributes
 
   * lm25066: Use i2c_get_match_data()
 
   * nct6775: Use i2c_get_match_data(), and related fixes
 
   * max6650: Use i2c_get_match_data()
 
   * aspeed-pwm-tacho: Fix -Wstringop-overflow warning in aspeed_create_fan_tach_channel()
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Merge tag 'hwmon-for-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "New drivers:
   - pmbus: Support for MPS Multi-phase mp2856/mp2857 controller
   - pmbus: Support for MPS Multi-phase mp5990
   - Driver for Gigabyte AORUS Waterforce AIO coolers

  Added support to existing drivers:
   - lm75: Support for AMS AS6200 temperature sensor
   - k10temp: Support for AMD Family 19h Model 8h
   - max31827: Support for max31828 and max31829
   - sht3x: Support for sts3x
   - Add support for WMI SMM interface, and various related improvements.
    Add support for Optiplex 7000
   - emc1403: Support for EMC1442
   - npcm750-pwm-fan: Support for NPCM8xx
   - nct6775: Add support for 2 additional fan controls

  Minor improvements and bug fixes:
   - gigabyte_waterforce: Mark status report as received under a spinlock
   - aquacomputer_d5next: Remove unneeded CONFIG_DEBUG_FS #ifdef
   - gpio-fan: Convert txt bindings to yaml
   - smsc47m1: Various cleanups / improvements
   - corsair-cpro: use NULL instead of 0
   - hp-wmi-sensors: Fix failure to load on EliteDesk 800 G6
   - tmp513: Various cleanups
   - peci/dimmtemp: Bump timeout
   - pc87360: Bounds check data->innr usage
   - nct6775: Fix fan speed set failure in automatic mode
   - ABI: sysfs-class-hwmon: document various missing attributes
   - lm25066, max6650, nct6775: Use i2c_get_match_data()
   - aspeed-pwm-tacho: Fix -Wstringop-overflow warning"

* tag 'hwmon-for-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (59 commits)
  hwmon: (gigabyte_waterforce) Mark status report as received under a spinlock
  hwmon: (lm75) Fix tmp112 default config
  hwmon: (lm75) Add AMS AS6200 temperature sensor
  dt-bindings: hwmon: (lm75) Add AMS AS6200 temperature sensor
  hwmon: (lm75) remove now-unused include
  hwmon: (pmbus) Add support for MPS Multi-phase mp2856/mp2857 controller
  dt-bindings: Add MP2856/MP2857 voltage regulator device
  hwmon: (aquacomputer_d5next) Remove unneeded CONFIG_DEBUG_FS #ifdef
  dt-bindings: hwmon: gpio-fan: Convert txt bindings to yaml
  hwmon: (k10temp) Add support for AMD Family 19h Model 8h
  hwmon: Add driver for Gigabyte AORUS Waterforce AIO coolers
  hwmon: (smsc47m1) Rename global platform device variable
  hwmon: (smsc47m1) Simplify device registration
  hwmon: (smsc47m1) Convert to platform remove callback returning void
  hwmon: (smsc47m1) Mark driver struct with __refdata to prevent section mismatch
  MAINTAINERS: Add maintainer for Baikal-T1 PVT hwmon driver
  hwmon: (sht3x) add sts3x support
  hwmon: (pmbus) Add ltc4286 driver
  dt-bindings: hwmon: Add lltc ltc4286 driver bindings
  hwmon: (max31827) Add custom attribute for resolution
  ...
2024-01-12 13:27:40 -08:00
Linus Torvalds
cf65598d59 drm-next for 6.8:
new drivers:
 - imagination - new driver for Imagination Technologies GPU
 - xe - new driver for Intel GPUs using core drm concepts
 
 core:
 - add CLOSE_FB ioctl
 - remove old UMS ioctls
 - increase max objects to accomodate AMD color mgmt
 
 encoder:
 - create per-encoder debugfs directory
 
 edid:
 - split out drm_eld
 - SAD helpers
 - drop edid_firmware module parameter
 
 format-helper:
 - cache format conversion buffers
 
 sched:
 - move from kthread to workqueue
 - rename some internals
 - implement dynamic job-flow control
 
 gpuvm:
 - provide more features to handle GEM objects
 
 client:
 - don't acquire module reference
 
 displayport:
 - add mst path property documentation
 
 fdinfo:
 - alignment fix
 
 dma-buf:
 - add fence timestamp helper
 - add fence deadline support
 
 bridge:
 - transparent aux-bridge for DP/USB-C
 - lt8912b: add suspend/resume support and power regulator support
 
 panel:
 - edp: AUO B116XTN02, BOE NT116WHM-N21,836X2, NV116WHM-N49
 - chromebook panel support
 - elida-kd35t133: rework pm
 - powkiddy RK2023 panel
 - himax-hx8394: drop prepare/unprepare and shutdown logic
 - BOE BP101WX1-100, Powkiddy X55, Ampire AM8001280G
 - Evervision VGG644804, SDC ATNA45AF01
 - nv3052c: register docs, init sequence fixes, fascontek FS035VG158
 - st7701: Anbernic RG-ARC support
 - r63353 panel controller
 - Ilitek ILI9805 panel controller
 - AUO G156HAN04.0
 
 simplefb:
 - support memory regions
 - support power domains
 
 amdgpu:
 - add new 64-bit sequence number infrastructure
 - add AMD specific color management
 - ACPI WBRF support for RF interference handling
 - GPUVM updates
 - RAS updates
 - DCN 3.5 updates
 - Rework PCIe link speed handling
 - Document GPU reset types
 - DMUB fixes
 - eDP fixes
 - NBIO 7.9/7.11 updates
 - SubVP updates
 - XGMI PCIe state dumping for aqua vanjaram
 - GFX11 golden register updates
 - enable tunnelling on high pri compute
 
 amdkfd:
 - Migrate TLB flushing logic to amdgpu
 - Trap handler fixes
 - Fix restore workers handling on suspend/resume
 - Fix possible memory leak in pqm_uninit()
 - support import/export of dma-bufs using GEM handles
 
 radeon:
 - fix possible overflows in command buffer checking
 - check for errors in ring_lock
 
 i915:
 - reorg display code for reuse in xe driver
 - fdinfo memory stats printing
 - DP MST bandwidth mgmt improvements
 - DP panel replay enabling
 - MTL C20 phy state verification
 - MTL DP DSC fractional bpp support
 - Audio fastset support
 - use dma_fence interfaces instead of i915_sw_fence
 - Separate gem and display code
 - AUX register macro refactoring
 - Separate display module/device parameters
 - Move display capabilities debugfs under display
 - Makefile cleanups
 - Register cleanups
 - Move display lock inits under display/
 - VLV/CHV DPIO PHY register and interface refactoring
 - DSI VBT sequence refactoring
 - C10/C20 PHY PLL hardware readout
 - DPLL code cleanups
 - Cleanup PXP plane protection checks
 - Improve display debug msgs
 - PSR selective fetch fixes/improvements
 - DP MST fixes
 - Xe2LPD FBC restrictions removed
 - DGFX uses direct VBT pin mapping
 - more MTL WAs
 - fix MTL eDP bug
 - eliminate use of kmap_atomic
 
 habanalabs:
 - sysfs entry to identify a device minor id with debugfs path
 - sysfs entry to expose device module id
 - add signed device info retrieval through INFO ioctl
 - add Gaudi2C device support
 - pcie reset prepare/done hooks
 
 msm:
 - Add support for SDM670, SM8650
 - Handle the CFG interconnect to fix the obscure hangs / timeouts
 - Kconfig fix for QMP dependency
 - use managed allocators
 - DPU: SDM670, SM8650 support
 - DPU: Enable SmartDMA on SM8350 and SM8450
 - DP: enable runtime PM support
 - GPU: add metadata UAPI
 - GPU: move devcoredumps to GPU device
 - GPU: convert to drm_exec
 
 ivpu:
 - update FW API
 - new debugfs file
 - a new NOP job submission test mode
 - improve suspend/resume
 - PM improvements
 - MMU PT optimizations
 - firmware profile frequency support
 - support for uncached buffers
 - switch to gem shmem helpers
 - replace kthread with threaded irqs
 
 rockchip:
 - rk3066_hdmi: convert to atomic
 - vop2: support nv20 and nv30
 - rk3588 support
 
 mediatek:
 - use devm_platform_ioremap_resource
 - stop using iommu_present
 - MT8188 VDOSYS1 display support
 
 panfrost:
 - PM improvements
 - improve interrupt handling as poweroff
 
 qaic:
 - allow to run with single MSI
 - support host/device time sync
 - switch to persistent DRM devices
 
 exynos:
 - fix potential error pointer dereference
 - fix wrong error checking
 - add missing call to drm_atomic_helper_shutdown
 
 omapdrm:
 - dma-fence lockdep annotation fix
 
 tidss:
 - dma-fence lockdep annotation fix
 - support for AM62A7
 
 v3d:
 - BCM2712 - rpi5 support
 - fdinfo + gputop support
 - uapi for CPU job handling
 
 virtio-gpu:
 - add context debug name
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Merge tag 'drm-next-2024-01-10' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "This contains two major new drivers:

   - imagination is a first driver for Imagination Technologies devices,
     it only covers very specific devices, but there is hope to grow it

   - xe is a reboot of the i915 GPU (shares display) side using a more
     upstream focused development model, and trying to maximise code
     sharing. It's not enabled for any hw by default, and will hopefully
     get switched on for Intel's Lunarlake.

  This also drops a bunch of the old UMS ioctls. It's been dead long
  enough.

  amdgpu has a bunch of new color management code that is being used in
  the Steam Deck.

  amdgpu also has a new ACPI WBRF interaction to help avoid radio
  interference.

  Otherwise it's the usual lots of changes in lots of places.

  Detailed summary:

  new drivers:
   - imagination - new driver for Imagination Technologies GPU
   - xe - new driver for Intel GPUs using core drm concepts

  core:
   - add CLOSE_FB ioctl
   - remove old UMS ioctls
   - increase max objects to accomodate AMD color mgmt

  encoder:
   - create per-encoder debugfs directory

  edid:
   - split out drm_eld
   - SAD helpers
   - drop edid_firmware module parameter

  format-helper:
   - cache format conversion buffers

  sched:
   - move from kthread to workqueue
   - rename some internals
   - implement dynamic job-flow control

  gpuvm:
   - provide more features to handle GEM objects

  client:
   - don't acquire module reference

  displayport:
   - add mst path property documentation

  fdinfo:
   - alignment fix

  dma-buf:
   - add fence timestamp helper
   - add fence deadline support

  bridge:
   - transparent aux-bridge for DP/USB-C
   - lt8912b: add suspend/resume support and power regulator support

  panel:
   - edp: AUO B116XTN02, BOE NT116WHM-N21,836X2, NV116WHM-N49
   - chromebook panel support
   - elida-kd35t133: rework pm
   - powkiddy RK2023 panel
   - himax-hx8394: drop prepare/unprepare and shutdown logic
   - BOE BP101WX1-100, Powkiddy X55, Ampire AM8001280G
   - Evervision VGG644804, SDC ATNA45AF01
   - nv3052c: register docs, init sequence fixes, fascontek FS035VG158
   - st7701: Anbernic RG-ARC support
   - r63353 panel controller
   - Ilitek ILI9805 panel controller
   - AUO G156HAN04.0

  simplefb:
   - support memory regions
   - support power domains

  amdgpu:
   - add new 64-bit sequence number infrastructure
   - add AMD specific color management
   - ACPI WBRF support for RF interference handling
   - GPUVM updates
   - RAS updates
   - DCN 3.5 updates
   - Rework PCIe link speed handling
   - Document GPU reset types
   - DMUB fixes
   - eDP fixes
   - NBIO 7.9/7.11 updates
   - SubVP updates
   - XGMI PCIe state dumping for aqua vanjaram
   - GFX11 golden register updates
   - enable tunnelling on high pri compute

  amdkfd:
   - Migrate TLB flushing logic to amdgpu
   - Trap handler fixes
   - Fix restore workers handling on suspend/resume
   - Fix possible memory leak in pqm_uninit()
   - support import/export of dma-bufs using GEM handles

  radeon:
   - fix possible overflows in command buffer checking
   - check for errors in ring_lock

  i915:
   - reorg display code for reuse in xe driver
   - fdinfo memory stats printing
   - DP MST bandwidth mgmt improvements
   - DP panel replay enabling
   - MTL C20 phy state verification
   - MTL DP DSC fractional bpp support
   - Audio fastset support
   - use dma_fence interfaces instead of i915_sw_fence
   - Separate gem and display code
   - AUX register macro refactoring
   - Separate display module/device parameters
   - Move display capabilities debugfs under display
   - Makefile cleanups
   - Register cleanups
   - Move display lock inits under display/
   - VLV/CHV DPIO PHY register and interface refactoring
   - DSI VBT sequence refactoring
   - C10/C20 PHY PLL hardware readout
   - DPLL code cleanups
   - Cleanup PXP plane protection checks
   - Improve display debug msgs
   - PSR selective fetch fixes/improvements
   - DP MST fixes
   - Xe2LPD FBC restrictions removed
   - DGFX uses direct VBT pin mapping
   - more MTL WAs
   - fix MTL eDP bug
   - eliminate use of kmap_atomic

  habanalabs:
   - sysfs entry to identify a device minor id with debugfs path
   - sysfs entry to expose device module id
   - add signed device info retrieval through INFO ioctl
   - add Gaudi2C device support
   - pcie reset prepare/done hooks

  msm:
   - Add support for SDM670, SM8650
   - Handle the CFG interconnect to fix the obscure hangs / timeouts
   - Kconfig fix for QMP dependency
   - use managed allocators
   - DPU: SDM670, SM8650 support
   - DPU: Enable SmartDMA on SM8350 and SM8450
   - DP: enable runtime PM support
   - GPU: add metadata UAPI
   - GPU: move devcoredumps to GPU device
   - GPU: convert to drm_exec

  ivpu:
   - update FW API
   - new debugfs file
   - a new NOP job submission test mode
   - improve suspend/resume
   - PM improvements
   - MMU PT optimizations
   - firmware profile frequency support
   - support for uncached buffers
   - switch to gem shmem helpers
   - replace kthread with threaded irqs

  rockchip:
   - rk3066_hdmi: convert to atomic
   - vop2: support nv20 and nv30
   - rk3588 support

  mediatek:
   - use devm_platform_ioremap_resource
   - stop using iommu_present
   - MT8188 VDOSYS1 display support

  panfrost:
   - PM improvements
   - improve interrupt handling as poweroff

  qaic:
   - allow to run with single MSI
   - support host/device time sync
   - switch to persistent DRM devices

  exynos:
   - fix potential error pointer dereference
   - fix wrong error checking
   - add missing call to drm_atomic_helper_shutdown

  omapdrm:
   - dma-fence lockdep annotation fix

  tidss:
   - dma-fence lockdep annotation fix
   - support for AM62A7

  v3d:
   - BCM2712 - rpi5 support
   - fdinfo + gputop support
   - uapi for CPU job handling

  virtio-gpu:
   - add context debug name"

* tag 'drm-next-2024-01-10' of git://anongit.freedesktop.org/drm/drm: (2340 commits)
  drm/amd/display: Allow z8/z10 from driver
  drm/amd/display: fix bandwidth validation failure on DCN 2.1
  drm/amdgpu: apply the RV2 system aperture fix to RN/CZN as well
  drm/amd/display: Move fixpt_from_s3132 to amdgpu_dm
  drm/amd/display: Fix recent checkpatch errors in amdgpu_dm
  Revert "drm/amdkfd: Relocate TBA/TMA to opposite side of VM hole"
  drm/amd/display: avoid stringop-overflow warnings for dp_decide_lane_settings()
  drm/amd/display: Fix power_helpers.c codestyle
  drm/amd/display: Fix hdcp_log.h codestyle
  drm/amd/display: Fix hdcp2_execution.c codestyle
  drm/amd/display: Fix hdcp_psp.h codestyle
  drm/amd/display: Fix freesync.c codestyle
  drm/amd/display: Fix hdcp_psp.c codestyle
  drm/amd/display: Fix hdcp1_execution.c codestyle
  drm/amd/pm/smu7: fix a memleak in smu7_hwmgr_backend_init
  drm/amdkfd: Fix iterator used outside loop in 'kfd_add_peer_prop()'
  drm/amdgpu: Drop 'fence' check in 'to_amdgpu_amdkfd_fence()'
  drm/amdkfd: Confirm list is non-empty before utilizing list_first_entry in kfd_topology.c
  drm/amdgpu: Fix '*fw' from request_firmware() not released in 'amdgpu_ucode_request()'
  drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get_mca_entry()'
  ...
2024-01-12 11:32:19 -08:00
Linus Torvalds
70d201a408 f2fs update for 6.8-rc1
In this series, we've some progress to support Zoned block device regarding to
 the power-cut recovery flow and enabling checkpoint=disable feature which is
 essential for Android OTA. Other than that, some patches touched sysfs entries
 and tracepoints which are minor, while several bug fixes on error handlers and
 compression flows are good to improve the overall stability.
 
 Enhancement:
  - enable checkpoint=disable for zoned block device
  - sysfs entries such as discard status, discard_io_aware, dir_level
  - tracepoints such as f2fs_vm_page_mkwrite(), f2fs_rename(), f2fs_new_inode()
  - use shared inode lock during f2fs_fiemap() and f2fs_seek_block()
 
 Bug fix:
  - address some power-cut recovery issues on zoned block device
  - handle errors and logics on do_garbage_collect(), f2fs_reserve_new_block(),
    f2fs_move_file_range(), f2fs_recover_xattr_data()
  - don't set FI_PREALLOCATED_ALL for partial write
  - fix to update iostat correctly in f2fs_filemap_fault()
  - fix to wait on block writeback for post_read case
  - fix to tag gcing flag on page during block migration
  - restrict max filesize for 16K f2fs
  - fix to avoid dirent corruption
  - explicitly null-terminate the xattr list
 
 There are also several clean-up patches to remove dead codes and better
 readability.
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Merge tag 'f2fs-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs update from Jaegeuk Kim:
 "In this series, we've some progress to support Zoned block device
  regarding to the power-cut recovery flow and enabling
  checkpoint=disable feature which is essential for Android OTA.

  Other than that, some patches touched sysfs entries and tracepoints
  which are minor, while several bug fixes on error handlers and
  compression flows are good to improve the overall stability.

  Enhancements:
   - enable checkpoint=disable for zoned block device
   - sysfs entries such as discard status, discard_io_aware, dir_level
   - tracepoints such as f2fs_vm_page_mkwrite(), f2fs_rename(),
     f2fs_new_inode()
   - use shared inode lock during f2fs_fiemap() and f2fs_seek_block()

  Bug fixes:
   - address some power-cut recovery issues on zoned block device
   - handle errors and logics on do_garbage_collect(),
     f2fs_reserve_new_block(), f2fs_move_file_range(),
     f2fs_recover_xattr_data()
   - don't set FI_PREALLOCATED_ALL for partial write
   - fix to update iostat correctly in f2fs_filemap_fault()
   - fix to wait on block writeback for post_read case
   - fix to tag gcing flag on page during block migration
   - restrict max filesize for 16K f2fs
   - fix to avoid dirent corruption
   - explicitly null-terminate the xattr list

  There are also several clean-up patches to remove dead codes and
  better readability"

* tag 'f2fs-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (33 commits)
  f2fs: show more discard status by sysfs
  f2fs: Add error handling for negative returns from do_garbage_collect
  f2fs: Constrain the modification range of dir_level in the sysfs
  f2fs: Use wait_event_freezable_timeout() for freezable kthread
  f2fs: fix to check return value of f2fs_recover_xattr_data
  f2fs: don't set FI_PREALLOCATED_ALL for partial write
  f2fs: fix to update iostat correctly in f2fs_filemap_fault()
  f2fs: fix to check compress file in f2fs_move_file_range()
  f2fs: fix to wait on block writeback for post_read case
  f2fs: fix to tag gcing flag on page during block migration
  f2fs: add tracepoint for f2fs_vm_page_mkwrite()
  f2fs: introduce f2fs_invalidate_internal_cache() for cleanup
  f2fs: update blkaddr in __set_data_blkaddr() for cleanup
  f2fs: introduce get_dnode_addr() to clean up codes
  f2fs: delete obsolete FI_DROP_CACHE
  f2fs: delete obsolete FI_FIRST_BLOCK_WRITTEN
  f2fs: Restrict max filesize for 16K f2fs
  f2fs: let's finish or reset zones all the time
  f2fs: check write pointers when checkpoint=disable
  f2fs: fix write pointers on zoned device after roll forward
  ...
2024-01-11 20:39:15 -08:00
Linus Torvalds
22d29f1112 SCSI misc on 20240110
Updates to the usual drivers (ufs, mpi3mr, mpt3sas, lpfc, fnic,
 hisi_sas, arcmsr, ) plus the usual assorted minor fixes and updates.
 This time around there's only a single line update to the core, so
 nothing major and barely anything minor.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Updates to the usual drivers (ufs, mpi3mr, mpt3sas, lpfc, fnic,
  hisi_sas, arcmsr, ) plus the usual assorted minor fixes and updates.

  This time around there's only a single line update to the core, so
  nothing major and barely anything minor"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (135 commits)
  scsi: ufs: core: Simplify ufshcd_auto_hibern8_update()
  scsi: ufs: core: Rename ufshcd_auto_hibern8_enable() and make it static
  scsi: ufs: qcom: Fix ESI vector mask
  scsi: ufs: host: Fix kernel-doc warning
  scsi: hisi_sas: Correct the number of global debugfs registers
  scsi: hisi_sas: Rollback some operations if FLR failed
  scsi: hisi_sas: Check before using pointer variables
  scsi: hisi_sas: Replace with standard error code return value
  scsi: hisi_sas: Set .phy_attached before notifing phyup event HISI_PHYE_PHY_UP_PM
  scsi: ufs: core: Add sysfs node for UFS RTC update
  scsi: ufs: core: Add UFS RTC support
  scsi: ufs: core: Add ufshcd_is_ufs_dev_busy()
  scsi: ufs: qcom: Remove unused definitions
  scsi: ufs: qcom: Use ufshcd_rmwl() where applicable
  scsi: ufs: qcom: Remove support for host controllers older than v2.0
  scsi: ufs: qcom: Simplify ufs_qcom_{assert/deassert}_reset
  scsi: ufs: qcom: Initialize cycles_in_1us variable in ufs_qcom_set_core_clk_ctrl()
  scsi: ufs: qcom: Sort includes alphabetically
  scsi: ufs: qcom: Remove unused ufs_qcom_hosts struct array
  scsi: ufs: qcom: Use dev_err_probe() to simplify error handling of devm_gpiod_get_optional()
  ...
2024-01-11 14:24:32 -08:00
Linus Torvalds
f6597d1706 SoC: driver updates for 6.8
A new drivers/cache/ subsystem is added to contain drivers for abstracting
 cache flush methods on riscv and potentially others, as this is needed for
 handling non-coherent DMA but several SoCs require nonstandard hardware
 methods for it.
 
 op-tee gains support for asynchronous notification with FF-A, as well
 as support for a system thread for executing in secure world.
 
 The tee, reset, bus, memory and scmi subsystems have a couple of minor
 updates.
 
 Platform specific soc driver changes include:
 
  - Samsung Exynos gains driver support for Google GS101 (Tensor G1)
    across multiple subsystems
 
  - Qualcomm Snapdragon gains support for SM8650 and X1E along with
    added features for some other SoCs
 
  - Mediatek adds support for "Smart Voltage Scaling" on MT8186 and MT8195,
    and driver support for MT8188 along with some code refactoring.
 
  - Microchip Polarfire FPGA support for "Auto Update" of the FPGA bitstream
 
  - Apple M1 mailbox driver is rewritten into a SoC driver
 
  - minor updates on amlogic, mvebu, ti, zynq, imx, renesas and hisilicon
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Merge tag 'soc-drivers-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC driver updates from Arnd Bergmann:
 "A new drivers/cache/ subsystem is added to contain drivers for
  abstracting cache flush methods on riscv and potentially others, as
  this is needed for handling non-coherent DMA but several SoCs require
  nonstandard hardware methods for it.

  op-tee gains support for asynchronous notification with FF-A, as well
  as support for a system thread for executing in secure world.

  The tee, reset, bus, memory and scmi subsystems have a couple of minor
  updates.

  Platform specific soc driver changes include:

   - Samsung Exynos gains driver support for Google GS101 (Tensor G1)
     across multiple subsystems

   - Qualcomm Snapdragon gains support for SM8650 and X1E along with
     added features for some other SoCs

   - Mediatek adds support for "Smart Voltage Scaling" on MT8186 and
     MT8195, and driver support for MT8188 along with some code
     refactoring.

   - Microchip Polarfire FPGA support for "Auto Update" of the FPGA
     bitstream

   - Apple M1 mailbox driver is rewritten into a SoC driver

   - minor updates on amlogic, mvebu, ti, zynq, imx, renesas and
     hisilicon"

* tag 'soc-drivers-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (189 commits)
  memory: ti-emif-pm: Convert to platform remove callback returning void
  memory: ti-aemif: Convert to platform remove callback returning void
  memory: tegra210-emc: Convert to platform remove callback returning void
  memory: tegra186-emc: Convert to platform remove callback returning void
  memory: stm32-fmc2-ebi: Convert to platform remove callback returning void
  memory: exynos5422-dmc: Convert to platform remove callback returning void
  memory: renesas-rpc-if: Convert to platform remove callback returning void
  memory: omap-gpmc: Convert to platform remove callback returning void
  memory: mtk-smi: Convert to platform remove callback returning void
  memory: jz4780-nemc: Convert to platform remove callback returning void
  memory: fsl_ifc: Convert to platform remove callback returning void
  memory: fsl-corenet-cf: Convert to platform remove callback returning void
  memory: emif: Convert to platform remove callback returning void
  memory: brcmstb_memc: Convert to platform remove callback returning void
  memory: brcmstb_dpfe: Convert to platform remove callback returning void
  soc: qcom: llcc: Fix LLCC_TRP_ATTR2_CFGn offset
  firmware: qcom: qseecom: fix memory leaks in error paths
  dt-bindings: clock: google,gs101: rename CMU_TOP gate defines
  soc: qcom: llcc: Fix typo in kernel-doc
  dt-bindings: soc: qcom,aoss-qmp: document the X1E80100 Always-On Subsystem side channel
  ...
2024-01-11 11:31:46 -08:00
Linus Torvalds
0cb552aa97 This update includes the following changes:
API:
 
 - Add incremental lskcipher/skcipher processing.
 
 Algorithms:
 
 - Remove SHA1 from drbg.
 - Remove CFB and OFB.
 
 Drivers:
 
 - Add comp high perf mode configuration in hisilicon/zip.
 - Add support for 420xx devices in qat.
 - Add IAA Compression Accelerator driver.
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Merge tag 'v6.8-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Add incremental lskcipher/skcipher processing

  Algorithms:
   - Remove SHA1 from drbg
   - Remove CFB and OFB

  Drivers:
   - Add comp high perf mode configuration in hisilicon/zip
   - Add support for 420xx devices in qat
   - Add IAA Compression Accelerator driver"

* tag 'v6.8-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (172 commits)
  crypto: iaa - Account for cpu-less numa nodes
  crypto: scomp - fix req->dst buffer overflow
  crypto: sahara - add support for crypto_engine
  crypto: sahara - remove error message for bad aes request size
  crypto: sahara - remove unnecessary NULL assignments
  crypto: sahara - remove 'active' flag from sahara_aes_reqctx struct
  crypto: sahara - use dev_err_probe()
  crypto: sahara - use devm_clk_get_enabled()
  crypto: sahara - use BIT() macro
  crypto: sahara - clean up macro indentation
  crypto: sahara - do not resize req->src when doing hash operations
  crypto: sahara - fix processing hash requests with req->nbytes < sg->length
  crypto: sahara - improve error handling in sahara_sha_process()
  crypto: sahara - fix wait_for_completion_timeout() error handling
  crypto: sahara - fix ahash reqsize
  crypto: sahara - handle zero-length aes requests
  crypto: skcipher - remove excess kerneldoc members
  crypto: shash - remove excess kerneldoc members
  crypto: qat - generate dynamically arbiter mappings
  crypto: qat - add support for ring pair level telemetry
  ...
2024-01-10 12:23:43 -08:00
Linus Torvalds
5fda5698c2 platform-drivers-x86 for v6.8-1
Highlights:
  -  Intel PMC / PMT / TPMI / uncore-freq / vsec improvements and
     new platform support
  -  AMD PMC / PMF improvements and new platform support
  -  AMD ACPI based Wifi band RFI mitigation feature (WBRF)
  -  WMI bus driver cleanups and improvements (Armin Wolf)
  -  acer-wmi Predator PHN16-71 support
  -  New Silicom network appliance EC LEDs / GPIOs driver
 
 The following is an automated git shortlog grouped by driver:
 
 ACPI:
  -  scan: Add LNXVIDEO HID to ignore_serial_bus_ids[]
 
 Add Silicom Platform Driver:
  - Add Silicom Platform Driver
 
 Documentation/driver-api:
  -  Add document about WBRF mechanism
 
 ISST:
  -  Process read/write blocked feature status
 
 Merge tag 'platform-drivers-x86-amd-wbrf-v6.8-1' into review-hans:
  - Merge tag 'platform-drivers-x86-amd-wbrf-v6.8-1' into review-hans
 
 Merge tag 'platform-drivers-x86-v6.7-3' into pdx86/for-next:
  - Merge tag 'platform-drivers-x86-v6.7-3' into pdx86/for-next
 
 Merge tag 'platform-drivers-x86-v6.7-6' into pdx86/for-next:
  - Merge tag 'platform-drivers-x86-v6.7-6' into pdx86/for-next
 
 Remove "X86 PLATFORM DRIVERS - ARCH" from MAINTAINERS:
  - Remove "X86 PLATFORM DRIVERS - ARCH" from MAINTAINERS
 
 acer-wmi:
  -  add fan speed monitoring for Predator PHN16-71
  -  Depend on ACPI_VIDEO instead of selecting it
  -  Add platform profile and mode key support for Predator PHN16-71
 
 asus-laptop:
  -  remove redundant braces in if statements
 
 asus-wmi:
  -  Convert to platform remove callback returning void
 
 clk:
  -  x86: lpss-atom: Drop unneeded 'extern' in the header
 
 dell-smbios-wmi:
  -  Stop using WMI chardev
  -  Use devm_get_free_pages()
 
 hp-bioscfg:
  -  Removed needless asm-generic
 
 hp-wmi:
  -  Convert to platform remove callback returning void
 
 intel-uncore-freq:
  -  Add additional client processors
 
 intel-wmi-sbl-fw-update:
  -  Use bus-based WMI interface
 
 intel/pmc:
  -  Call pmc_get_low_power_modes from platform init
 
 ips:
  -  Remove unused debug code
 
 platform/mellanox:
  -  mlxbf-tmfifo: Remove unnecessary bool conversion
 
 platform/x86/amd:
  -  Add support for AMD ACPI based Wifi band RFI mitigation feature
 
 platform/x86/amd/pmc:
  -  Modify SMU message port for latest AMD platform
  -  Add 1Ah family series to STB support list
  -  Add idlemask support for 1Ah family
  -  call amd_pmc_get_ip_info() during driver probe
  -  Add VPE information for AMDI000A platform
  -  Send OS_HINT command for AMDI000A platform
 
 platform/x86/amd/pmf:
  -  Return a status code only as a constant in two functions
  -  Return directly after a failed apmf_if_call() in apmf_sbios_heartbeat_notify()
  -  dump policy binary data
  -  Add capability to sideload of policy binary
  -  Add facility to dump TA inputs
  -  Make source_as_str() as non-static
  -  Add support to update system state
  -  Add support update p3t limit
  -  Add support to get inputs from other subsystems
  -  change amd_pmf_init_features() call sequence
  -  Add support for PMF Policy Binary
  -  Change return type of amd_pmf_set_dram_addr()
  -  Add support for PMF-TA interaction
  -  Add PMF TEE interface
 
 platform/x86/dell:
  -  alienware-wmi: Use kasprintf()
 
 platform/x86/intel-uncore-freq:
  -  Process read/write blocked feature status
 
 platform/x86/intel/pmc:
  -  Add missing extern
  -  Add Lunar Lake M support to intel_pmc_core driver
  -  Add Arrow Lake S support to intel_pmc_core driver
  -  Add ssram_init flag in PMC discovery in Meteor Lake
  -  Move common code to core.c
  -  Add PSON residency counter for Alder Lake
  -  Add regmap for Tiger Lake H PCH
  -  Add PSON residency counter
  -  Fix in mtl_punit_pmt_init()
  -  Fix in pmc_core_ssram_get_pmc()
  -  Show Die C6 counter on Meteor Lake
  -  Add debug attribute for Die C6 counter
  -  Read low power mode requirements for MTL-M and MTL-P
  -  Retrieve LPM information using Intel PMT
  -  Display LPM requirements for multiple PMCs
  -  Find and register PMC telemetry entries
  -  Cleanup SSRAM discovery
  -  Allow pmc_core_ssram_init to fail
 
 platform/x86/intel/pmc/arl:
  -  Add GBE LTR ignore during suspend
 
 platform/x86/intel/pmc/lnl:
  -  Add GBE LTR ignore during suspend
 
 platform/x86/intel/pmc/mtl:
  -  Use return value from pmc_core_ssram_init()
 
 platform/x86/intel/pmt:
  -  telemetry: Export API to read telemetry
  -  Add header to struct intel_pmt_entry
 
 platform/x86/intel/tpmi:
  -  Move TPMI ID definition
  -  Modify external interface to get read/write state
  -  Don't create devices for disabled features
 
 platform/x86/intel/vsec:
  -  Add support for Lunar Lake M
  -  Add base address field
  -  Add intel_vsec_register
  -  Assign auxdev parent by argument
  -  Use cleanup.h
  -  remove platform_info from vsec device structure
  -  Move structures to header
  -  Remove unnecessary return
  -  Fix xa_alloc memory leak
 
 platform/x86/intel/wmi:
  -  thunderbolt: Use bus-based WMI interface
 
 silicom-platform:
  -  Fix spelling mistake "platfomr" -> "platform"
 
 wmi:
  -  linux/wmi.h: fix Excess kernel-doc description warning
  -  Simplify get_subobj_info()
  -  Decouple ACPI notify handler from wmi_block_list
  -  Create WMI bus device first
  -  Use devres for resource handling
  -  Remove ACPI handlers after WMI devices
  -  Remove unused variable in address space handler
  -  Remove chardev interface
  -  Remove debug_event module param
  -  Remove debug_dump_wdg module param
  -  Add to_wmi_device() helper macro
  -  Add wmidev_block_set()
 
 x86-android-tablets:
  -  Fix an IS_ERR() vs NULL check in probe
  -  Fix backlight ctrl for Lenovo Yoga Tab 3 Pro YT3-X90F
  -  Add audio codec info for Lenovo Yoga Tab 3 Pro YT3-X90F
  -  Add support for SPI device instantiation
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Merge tag 'platform-drivers-x86-v6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:

 - Intel PMC / PMT / TPMI / uncore-freq / vsec improvements and new
   platform support

 - AMD PMC / PMF improvements and new platform support

 - AMD ACPI based Wifi band RFI mitigation feature (WBRF)

 - WMI bus driver cleanups and improvements (Armin Wolf)

 - acer-wmi Predator PHN16-71 support

 - New Silicom network appliance EC LEDs / GPIOs driver

* tag 'platform-drivers-x86-v6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (96 commits)
  platform/x86/amd/pmc: Modify SMU message port for latest AMD platform
  platform/x86/amd/pmc: Add 1Ah family series to STB support list
  platform/x86/amd/pmc: Add idlemask support for 1Ah family
  platform/x86/amd/pmc: call amd_pmc_get_ip_info() during driver probe
  platform/x86/amd/pmc: Add VPE information for AMDI000A platform
  platform/x86/amd/pmc: Send OS_HINT command for AMDI000A platform
  platform/x86/amd/pmf: Return a status code only as a constant in two functions
  platform/x86/amd/pmf: Return directly after a failed apmf_if_call() in apmf_sbios_heartbeat_notify()
  platform/x86: wmi: linux/wmi.h: fix Excess kernel-doc description warning
  platform/x86/intel/pmc: Add missing extern
  platform/x86/intel/pmc/lnl: Add GBE LTR ignore during suspend
  platform/x86/intel/pmc/arl: Add GBE LTR ignore during suspend
  platform/x86: intel-uncore-freq: Add additional client processors
  platform/x86: Remove "X86 PLATFORM DRIVERS - ARCH" from MAINTAINERS
  platform/x86: hp-bioscfg: Removed needless asm-generic
  platform/x86/intel/pmc: Add Lunar Lake M support to intel_pmc_core driver
  platform/x86/intel/pmc: Add Arrow Lake S support to intel_pmc_core driver
  platform/x86/intel/pmc: Add ssram_init flag in PMC discovery in Meteor Lake
  platform/x86/intel/pmc: Move common code to core.c
  platform/x86/intel/pmc: Add PSON residency counter for Alder Lake
  ...
2024-01-09 17:07:12 -08:00
Linus Torvalds
7da71072e1 Power management updates for 6.8-rc1
- Add support for the Sierra Forest, Grand Ridge and Meteorlake SoCs to
    the intel_idle cpuidle driver (Artem Bityutskiy, Zhang Rui).
 
  - Do not enable interrupts when entering idle in the haltpoll cpuidle
    driver (Borislav Petkov).
 
  - Add Emerald Rapids support in no-HWP mode to the intel_pstate cpufreq
    driver (Zhenguo Yao).
 
  - Use EPP values programmed by the platform firmware as balanced
    performance ones by default in intel_pstate (Srinivas Pandruvada).
 
  - Add a missing function return value check to the SCMI cpufreq driver
    to avoid unexpected behavior (Alexandra Diupina).
 
  - Fix parameter type warning in the armada-8k cpufreq driver (Gregory
    CLEMENT).
 
  - Rework trans_stat_show() in the devfreq core code to avoid buffer
    overflows (Christian Marangi).
 
  - Synchronize devfreq_monitor_[start/stop] so as to prevent a timer
    list corruption from occurring when devfreq governors are switched
    frequently (Mukesh Ojha).
 
  - Fix possible deadlocks in the core system-wide PM code that occur if
    device-handling functions cannot be executed asynchronously during
    resume from system-wide suspend (Rafael J. Wysocki).
 
  - Clean up unnecessary local variable initializations in multiple
    places in the hibernation code (Wang chaodong, Li zeming).
 
  - Adjust core hibernation code to avoid missing wakeup events that
    occur after saving an image to persistent storage (Chris Feng).
 
  - Update hibernation code to enforce correct ordering during image
    compression and decompression (Hongchen Zhang).
 
  - Use kmap_local_page() instead of kmap_atomic() in copy_data_page()
    during hibernation and restore (Chen Haonan).
 
  - Adjust documentation and code comments to reflect recent tasks freezer
    changes (Kevin Hao).
 
  - Repair excess function parameter description warning in the
    hibernation image-saving code (Randy Dunlap).
 
  - Fix _set_required_opps when opp is NULL (Bryan O'Donoghue).
 
  - Use device_get_match_data() in the OPP code for TI (Rob Herring).
 
  - Clean up OPP level and other parts and call dev_pm_opp_set_opp()
    recursively for required OPPs (Viresh Kumar).
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Merge tag 'pm-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add support for new processors (Sierra Forest, Grand Ridge and
  Meteor Lake) to the intel_idle driver, make intel_pstate run on
  Emerald Rapids without HWP support and adjust it to utilize EPP values
  supplied by the platform firmware, fix issues, clean up code and
  improve documentation.

  The most significant fix addresses deadlocks in the core system-wide
  resume code that occur if async_schedule_dev() attempts to run its
  argument function synchronously (for example, due to a memory
  allocation failure). It rearranges the code in question which may
  increase the system resume time in some cases, but this basically is a
  removal of a premature optimization. That optimization will be added
  back later, but properly this time.

  Specifics:

   - Add support for the Sierra Forest, Grand Ridge and Meteorlake SoCs
     to the intel_idle cpuidle driver (Artem Bityutskiy, Zhang Rui)

   - Do not enable interrupts when entering idle in the haltpoll cpuidle
     driver (Borislav Petkov)

   - Add Emerald Rapids support in no-HWP mode to the intel_pstate
     cpufreq driver (Zhenguo Yao)

   - Use EPP values programmed by the platform firmware as balanced
     performance ones by default in intel_pstate (Srinivas Pandruvada)

   - Add a missing function return value check to the SCMI cpufreq
     driver to avoid unexpected behavior (Alexandra Diupina)

   - Fix parameter type warning in the armada-8k cpufreq driver (Gregory
     CLEMENT)

   - Rework trans_stat_show() in the devfreq core code to avoid buffer
     overflows (Christian Marangi)

   - Synchronize devfreq_monitor_[start/stop] so as to prevent a timer
     list corruption from occurring when devfreq governors are switched
     frequently (Mukesh Ojha)

   - Fix possible deadlocks in the core system-wide PM code that occur
     if device-handling functions cannot be executed asynchronously
     during resume from system-wide suspend (Rafael J. Wysocki)

   - Clean up unnecessary local variable initializations in multiple
     places in the hibernation code (Wang chaodong, Li zeming)

   - Adjust core hibernation code to avoid missing wakeup events that
     occur after saving an image to persistent storage (Chris Feng)

   - Update hibernation code to enforce correct ordering during image
     compression and decompression (Hongchen Zhang)

   - Use kmap_local_page() instead of kmap_atomic() in copy_data_page()
     during hibernation and restore (Chen Haonan)

   - Adjust documentation and code comments to reflect recent tasks
     freezer changes (Kevin Hao)

   - Repair excess function parameter description warning in the
     hibernation image-saving code (Randy Dunlap)

   - Fix _set_required_opps when opp is NULL (Bryan O'Donoghue)

   - Use device_get_match_data() in the OPP code for TI (Rob Herring)

   - Clean up OPP level and other parts and call dev_pm_opp_set_opp()
     recursively for required OPPs (Viresh Kumar)"

* tag 'pm-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (35 commits)
  OPP: Rename 'rate_clk_single'
  OPP: Pass rounded rate to _set_opp()
  OPP: Relocate dev_pm_opp_sync_regulators()
  PM: sleep: Fix possible deadlocks in core system-wide PM code
  OPP: Move dev_pm_opp_icc_bw to internal opp.h
  async: Introduce async_schedule_dev_nocall()
  async: Split async_schedule_node_domain()
  cpuidle: haltpoll: Do not enable interrupts when entering idle
  OPP: Fix _set_required_opps when opp is NULL
  OPP: The level field is always of unsigned int type
  PM: hibernate: Repair excess function parameter description warning
  PM: sleep: Remove obsolete comment from unlock_system_sleep()
  cpufreq: intel_pstate: Add Emerald Rapids support in no-HWP mode
  Documentation: PM: Adjust freezing-of-tasks.rst to the freezer changes
  PM: hibernate: Use kmap_local_page() in copy_data_page()
  intel_idle: add Sierra Forest SoC support
  intel_idle: add Grand Ridge SoC support
  PM / devfreq: Synchronize devfreq_monitor_[start/stop]
  cpufreq: armada-8k: Fix parameter type warning
  PM: hibernate: Enforce ordering during image compression/decompression
  ...
2024-01-09 16:32:11 -08:00
Linus Torvalds
35f11a3710 * MTD
Apart from preventing the mtdblk to run on top of ftl or ubiblk (which
 may cause security issues and has no meaning anyway), there are a few
 misc fixes.
 
 * Raw NAND
 
 Two meaningful changes this time. The conversion of the brcmnand driver
 to the ->exec_op() API, this series brought additional changes to the
 core in order to help controller drivers to handle themselves the WP pin
 during destructive operations when relevant.
 
 There is also a series bringing important fixes to the sequential read
 feature.
 
 As always, there is as well a whole bunch of miscellaneous W=1 fixes,
 together with a few runtime fixes (double free, timeout value, OOB
 layout, missing register initialization) and the usual load of remove
 callbacks turned into void (which led to switch the txx9ndfmc driver to
 use module_platform_driver()).
 
 * SPI NOR
 
 SPI NOR comes with die erase support for multi die flashes, with new
 octal protocols (1-1-8 and 1-8-8) parsed from SFDP and with an updated
 documentation about what the contributors shall consider when proposing
 flash additions or updates.
 
 Michael Walle stepped out from the reviewer role to maintainer.
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Merge tag 'mtd/for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull mtd updates from Miquel Raynal:
 "MTD:

   - Apart from preventing the mtdblk to run on top of ftl or ubiblk
     (which may cause security issues and has no meaning anyway), there
     are a few misc fixes.

  Raw NAND:

   - Two meaningful changes this time. The conversion of the brcmnand
     driver to the ->exec_op() API, this series brought additional
     changes to the core in order to help controller drivers to handle
     themselves the WP pin during destructive operations when relevant.

   - There is also a series bringing important fixes to the sequential
     read feature.

   - As always, there is as well a whole bunch of miscellaneous W=1
     fixes, together with a few runtime fixes (double free, timeout
     value, OOB layout, missing register initialization) and the usual
     load of remove callbacks turned into void (which led to switch the
     txx9ndfmc driver to use module_platform_driver()).

  SPI NOR:

   - SPI NOR comes with die erase support for multi die flashes, with
     new octal protocols (1-1-8 and 1-8-8) parsed from SFDP and with an
     updated documentation about what the contributors shall consider
     when proposing flash additions or updates.

   - Michael Walle stepped out from the reviewer role to maintainer"

* tag 'mtd/for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (39 commits)
  mtd: rawnand: Clarify conditions to enable continuous reads
  mtd: rawnand: Prevent sequential reads with on-die ECC engines
  mtd: rawnand: Fix core interference with sequential reads
  mtd: rawnand: Prevent crossing LUN boundaries during sequential reads
  mtd: Fix gluebi NULL pointer dereference caused by ftl notifier
  dt-bindings: mtd: partitions: u-boot: Fix typo
  mtd: rawnand: s3c2410: fix Excess struct member description kernel-doc warnings
  MAINTAINERS: change my mail to the kernel.org one
  mtd: spi-nor: sfdp: get the 1-1-8 and 1-8-8 protocol from SFDP
  mtd: spi-nor: drop superfluous debug prints
  mtd: spi-nor: sysfs: hide the flash name if not set
  mtd: spi-nor: mark the flash name as obsolete
  mtd: spi-nor: print flash ID instead of name
  mtd: maps: vmu-flash: Fix the (mtd core) switch to ref counters
  mtd: ssfdc: Remove an unused variable
  mtd: rawnand: diskonchip: fix a potential double free in doc_probe
  mtd: rawnand: rockchip: Add missing title to a kernel doc comment
  mtd: rawnand: rockchip: Rename a structure
  mtd: rawnand: pl353: Fix kernel doc
  mtd: spi-nor: micron-st: Add support for mt25qu01g
  ...
2024-01-09 15:40:59 -08:00
Linus Torvalds
fb46e22a9e Many singleton patches against the MM code. The patch series which
are included in this merge do the following:
 
 - Peng Zhang has done some mapletree maintainance work in the
   series
 
 	"maple_tree: add mt_free_one() and mt_attr() helpers"
 	"Some cleanups of maple tree"
 
 - In the series "mm: use memmap_on_memory semantics for dax/kmem"
   Vishal Verma has altered the interworking between memory-hotplug
   and dax/kmem so that newly added 'device memory' can more easily
   have its memmap placed within that newly added memory.
 
 - Matthew Wilcox continues folio-related work (including a few
   fixes) in the patch series
 
 	"Add folio_zero_tail() and folio_fill_tail()"
 	"Make folio_start_writeback return void"
 	"Fix fault handler's handling of poisoned tail pages"
 	"Convert aops->error_remove_page to ->error_remove_folio"
 	"Finish two folio conversions"
 	"More swap folio conversions"
 
 - Kefeng Wang has also contributed folio-related work in the series
 
 	"mm: cleanup and use more folio in page fault"
 
 - Jim Cromie has improved the kmemleak reporting output in the
   series "tweak kmemleak report format".
 
 - In the series "stackdepot: allow evicting stack traces" Andrey
   Konovalov to permits clients (in this case KASAN) to cause
   eviction of no longer needed stack traces.
 
 - Charan Teja Kalla has fixed some accounting issues in the page
   allocator's atomic reserve calculations in the series "mm:
   page_alloc: fixes for high atomic reserve caluculations".
 
 - Dmitry Rokosov has added to the samples/ dorectory some sample
   code for a userspace memcg event listener application.  See the
   series "samples: introduce cgroup events listeners".
 
 - Some mapletree maintanance work from Liam Howlett in the series
   "maple_tree: iterator state changes".
 
 - Nhat Pham has improved zswap's approach to writeback in the
   series "workload-specific and memory pressure-driven zswap
   writeback".
 
 - DAMON/DAMOS feature and maintenance work from SeongJae Park in
   the series
 
 	"mm/damon: let users feed and tame/auto-tune DAMOS"
 	"selftests/damon: add Python-written DAMON functionality tests"
 	"mm/damon: misc updates for 6.8"
 
 - Yosry Ahmed has improved memcg's stats flushing in the series
   "mm: memcg: subtree stats flushing and thresholds".
 
 - In the series "Multi-size THP for anonymous memory" Ryan Roberts
   has added a runtime opt-in feature to transparent hugepages which
   improves performance by allocating larger chunks of memory during
   anonymous page faults.
 
 - Matthew Wilcox has also contributed some cleanup and maintenance
   work against eh buffer_head code int he series "More buffer_head
   cleanups".
 
 - Suren Baghdasaryan has done work on Andrea Arcangeli's series
   "userfaultfd move option".  UFFDIO_MOVE permits userspace heap
   compaction algorithms to move userspace's pages around rather than
   UFFDIO_COPY'a alloc/copy/free.
 
 - Stefan Roesch has developed a "KSM Advisor", in the series
   "mm/ksm: Add ksm advisor".  This is a governor which tunes KSM's
   scanning aggressiveness in response to userspace's current needs.
 
 - Chengming Zhou has optimized zswap's temporary working memory
   use in the series "mm/zswap: dstmem reuse optimizations and
   cleanups".
 
 - Matthew Wilcox has performed some maintenance work on the
   writeback code, both code and within filesystems.  The series is
   "Clean up the writeback paths".
 
 - Andrey Konovalov has optimized KASAN's handling of alloc and
   free stack traces for secondary-level allocators, in the series
   "kasan: save mempool stack traces".
 
 - Andrey also performed some KASAN maintenance work in the series
   "kasan: assorted clean-ups".
 
 - David Hildenbrand has gone to town on the rmap code.  Cleanups,
   more pte batching, folio conversions and more.  See the series
   "mm/rmap: interface overhaul".
 
 - Kinsey Ho has contributed some maintenance work on the MGLRU
   code in the series "mm/mglru: Kconfig cleanup".
 
 - Matthew Wilcox has contributed lruvec page accounting code
   cleanups in the series "Remove some lruvec page accounting
   functions".
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Merge tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:
 "Many singleton patches against the MM code. The patch series which are
  included in this merge do the following:

   - Peng Zhang has done some mapletree maintainance work in the series

	'maple_tree: add mt_free_one() and mt_attr() helpers'
	'Some cleanups of maple tree'

   - In the series 'mm: use memmap_on_memory semantics for dax/kmem'
     Vishal Verma has altered the interworking between memory-hotplug
     and dax/kmem so that newly added 'device memory' can more easily
     have its memmap placed within that newly added memory.

   - Matthew Wilcox continues folio-related work (including a few fixes)
     in the patch series

	'Add folio_zero_tail() and folio_fill_tail()'
	'Make folio_start_writeback return void'
	'Fix fault handler's handling of poisoned tail pages'
	'Convert aops->error_remove_page to ->error_remove_folio'
	'Finish two folio conversions'
	'More swap folio conversions'

   - Kefeng Wang has also contributed folio-related work in the series

	'mm: cleanup and use more folio in page fault'

   - Jim Cromie has improved the kmemleak reporting output in the series
     'tweak kmemleak report format'.

   - In the series 'stackdepot: allow evicting stack traces' Andrey
     Konovalov to permits clients (in this case KASAN) to cause eviction
     of no longer needed stack traces.

   - Charan Teja Kalla has fixed some accounting issues in the page
     allocator's atomic reserve calculations in the series 'mm:
     page_alloc: fixes for high atomic reserve caluculations'.

   - Dmitry Rokosov has added to the samples/ dorectory some sample code
     for a userspace memcg event listener application. See the series
     'samples: introduce cgroup events listeners'.

   - Some mapletree maintanance work from Liam Howlett in the series
     'maple_tree: iterator state changes'.

   - Nhat Pham has improved zswap's approach to writeback in the series
     'workload-specific and memory pressure-driven zswap writeback'.

   - DAMON/DAMOS feature and maintenance work from SeongJae Park in the
     series

	'mm/damon: let users feed and tame/auto-tune DAMOS'
	'selftests/damon: add Python-written DAMON functionality tests'
	'mm/damon: misc updates for 6.8'

   - Yosry Ahmed has improved memcg's stats flushing in the series 'mm:
     memcg: subtree stats flushing and thresholds'.

   - In the series 'Multi-size THP for anonymous memory' Ryan Roberts
     has added a runtime opt-in feature to transparent hugepages which
     improves performance by allocating larger chunks of memory during
     anonymous page faults.

   - Matthew Wilcox has also contributed some cleanup and maintenance
     work against eh buffer_head code int he series 'More buffer_head
     cleanups'.

   - Suren Baghdasaryan has done work on Andrea Arcangeli's series
     'userfaultfd move option'. UFFDIO_MOVE permits userspace heap
     compaction algorithms to move userspace's pages around rather than
     UFFDIO_COPY'a alloc/copy/free.

   - Stefan Roesch has developed a 'KSM Advisor', in the series 'mm/ksm:
     Add ksm advisor'. This is a governor which tunes KSM's scanning
     aggressiveness in response to userspace's current needs.

   - Chengming Zhou has optimized zswap's temporary working memory use
     in the series 'mm/zswap: dstmem reuse optimizations and cleanups'.

   - Matthew Wilcox has performed some maintenance work on the writeback
     code, both code and within filesystems. The series is 'Clean up the
     writeback paths'.

   - Andrey Konovalov has optimized KASAN's handling of alloc and free
     stack traces for secondary-level allocators, in the series 'kasan:
     save mempool stack traces'.

   - Andrey also performed some KASAN maintenance work in the series
     'kasan: assorted clean-ups'.

   - David Hildenbrand has gone to town on the rmap code. Cleanups, more
     pte batching, folio conversions and more. See the series 'mm/rmap:
     interface overhaul'.

   - Kinsey Ho has contributed some maintenance work on the MGLRU code
     in the series 'mm/mglru: Kconfig cleanup'.

   - Matthew Wilcox has contributed lruvec page accounting code cleanups
     in the series 'Remove some lruvec page accounting functions'"

* tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (361 commits)
  mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER
  mm, treewide: introduce NR_PAGE_ORDERS
  selftests/mm: add separate UFFDIO_MOVE test for PMD splitting
  selftests/mm: skip test if application doesn't has root privileges
  selftests/mm: conform test to TAP format output
  selftests: mm: hugepage-mmap: conform to TAP format output
  selftests/mm: gup_test: conform test to TAP format output
  mm/selftests: hugepage-mremap: conform test to TAP format output
  mm/vmstat: move pgdemote_* out of CONFIG_NUMA_BALANCING
  mm: zsmalloc: return -ENOSPC rather than -EINVAL in zs_malloc while size is too large
  mm/memcontrol: remove __mod_lruvec_page_state()
  mm/khugepaged: use a folio more in collapse_file()
  slub: use a folio in __kmalloc_large_node
  slub: use folio APIs in free_large_kmalloc()
  slub: use alloc_pages_node() in alloc_slab_page()
  mm: remove inc/dec lruvec page state functions
  mm: ratelimit stat flush from workingset shrinker
  kasan: stop leaking stack trace handles
  mm/mglru: remove CONFIG_TRANSPARENT_HUGEPAGE
  mm/mglru: add dummy pmd_dirty()
  ...
2024-01-09 11:18:47 -08:00
Linus Torvalds
aac4de465a Performance events changes for v6.8 are:
- Add branch stack counters ABI extension to better capture
    the growing amount of information the PMU exposes via
    branch stack sampling. There's matching tooling support.
 
  - Fix race when creating the nr_addr_filters sysfs file
 
  - Add Intel Sierra Forest and Grand Ridge intel/cstate
    PMU support.
 
  - Add Intel Granite Rapids, Sierra Forest and Grand Ridge
    uncore PMU support.
 
  - Misc cleanups & fixes.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull performance events updates from Ingo Molnar:

 - Add branch stack counters ABI extension to better capture the growing
   amount of information the PMU exposes via branch stack sampling.
   There's matching tooling support.

 - Fix race when creating the nr_addr_filters sysfs file

 - Add Intel Sierra Forest and Grand Ridge intel/cstate PMU support

 - Add Intel Granite Rapids, Sierra Forest and Grand Ridge uncore PMU
   support

 - Misc cleanups & fixes

* tag 'perf-core-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/uncore: Factor out topology_gidnid_map()
  perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()
  perf/x86/amd: Reject branch stack for IBS events
  perf/x86/intel/uncore: Support Sierra Forest and Grand Ridge
  perf/x86/intel/uncore: Support IIO free-running counters on GNR
  perf/x86/intel/uncore: Support Granite Rapids
  perf/x86/uncore: Use u64 to replace unsigned for the uncore offsets array
  perf/x86/intel/uncore: Generic uncore_get_uncores and MMIO format of SPR
  perf: Fix the nr_addr_filters fix
  perf/x86/intel/cstate: Add Grand Ridge support
  perf/x86/intel/cstate: Add Sierra Forest support
  x86/smp: Export symbol cpu_clustergroup_mask()
  perf/x86/intel/cstate: Cleanup duplicate attr_groups
  perf/core: Fix narrow startup race when creating the perf nr_addr_filters sysfs file
  perf/x86/intel: Support branch counters logging
  perf/x86/intel: Reorganize attrs and is_visible
  perf: Add branch_sample_call_stack
  perf/x86: Add PERF_X86_EVENT_NEEDS_BRANCH_STACK flag
  perf: Add branch stack counters
2024-01-08 19:37:20 -08:00
Abhijit Gangurde
aeda33ab81 cdx: create sysfs bin files for cdx resources
Resource binary file contains the content of the memory regions.
These resources<x> devices can be used to mmap the MMIO regions in
the user-space.

Co-developed-by: Puneet Gupta <puneet.gupta@amd.com>
Signed-off-by: Puneet Gupta <puneet.gupta@amd.com>
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Link: https://lore.kernel.org/r/20231222064627.2828960-1-abhijit.gangurde@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-01-04 17:01:13 +01:00
Lucas Segarra Fernandez
eb52707716 crypto: qat - add support for ring pair level telemetry
Expose through debugfs ring pair telemetry data for QAT GEN4 devices.

This allows to gather metrics about the PCIe channel and device TLB for
a selected ring pair. It is possible to monitor maximum 4 ring pairs at
the time per device.

For details, refer to debugfs-driver-qat_telemetry in Documentation/ABI.

This patch is based on earlier work done by Wojciech Ziemba.

Signed-off-by: Lucas Segarra Fernandez <lucas.segarra.fernandez@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Damian Muszynski <damian.muszynski@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-12-29 11:25:56 +08:00
Lucas Segarra Fernandez
69e7649f7c crypto: qat - add support for device telemetry
Expose through debugfs device telemetry data for QAT GEN4 devices.

This allows to gather metrics about the performance and the utilization
of a device. In particular, statistics on (1) the utilization of the
PCIe channel, (2) address translation, when SVA is enabled and (3) the
internal engines for crypto and data compression.

If telemetry is supported by the firmware, the driver allocates a DMA
region and a circular buffer. When telemetry is enabled, through the
`control` attribute in debugfs, the driver sends to the firmware, via
the admin interface, the `TL_START` command. This triggers the device to
periodically gather telemetry data from hardware registers and write it
into the DMA memory region. The device writes into the shared region
every second.

The driver, every 500ms, snapshots the DMA shared region into the
circular buffer. This is then used to compute basic metric
(min/max/average) on each counter, every time the `device_data` attribute
is queried.

Telemetry counters are exposed through debugfs in the folder
/sys/kernel/debug/qat_<device>_<BDF>/telemetry.

For details, refer to debugfs-driver-qat_telemetry in Documentation/ABI.

This patch is based on earlier work done by Wojciech Ziemba.

Signed-off-by: Lucas Segarra Fernandez <lucas.segarra.fernandez@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Damian Muszynski <damian.muszynski@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-12-29 11:25:55 +08:00
Zhiguo Niu
c3c2d45b90 f2fs: show more discard status by sysfs
The current pending_discard attr just only shows the discard_cmd_cnt
information. More discard status can be shown so that we can check
them through sysfs when needed.

Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-12-26 13:07:26 -08:00
Dave Jiang
42834b17cf cxl: Export sysfs attributes for memory device QoS class
Export qos_class sysfs attributes for the CXL memory device. The QoS clas
should show up as /sys/bus/cxl/devices/memX/ram/qos_class for the volatile
partition and /sys/bus/cxl/devices/memX/pmem/qos_class for the persistent
partition. The QTG ID is retrieved via _DSM after supplying the
calculated bandwidth and latency for the entire CXL path from device to
the CPU. This ID is used to match up to the root decoder QoS class to
determine which CFMWS the memory range of a hotplugged CXL mem device
should be assigned under.

While there may be multiple DSMAS exported by the device CDAT, the driver
will only expose the first QTG ID per partition in sysfs for now. In the
future when multiple QTG IDs are necessary, they can be exposed. [1]

[1]: https://lore.kernel.org/linux-cxl/167571650007.587790.10040913293130712882.stgit@djiang5-mobl3.local/T/#md2a47b1ead3e1ba08f50eab29a4af1aed1d215ab

Suggested-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/170319625698.2212653.17544381274847420961.stgit@djiang5-mobl3
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2023-12-22 15:46:02 -08:00
Arnd Bergmann
3408005e30 OP-TEE cleanup
- Remove a redundant custom workqueue in the OP-TEE driver.
 - Fix a missing description of an argument to optee_handle_rpc().
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Merge tag 'optee-cleanup-for-v6.8' of https://git.linaro.org/people/jens.wiklander/linux-tee into soc/drivers

OP-TEE cleanup

- Remove a redundant custom workqueue in the OP-TEE driver.
- Fix a missing description of an argument to optee_handle_rpc().

* tag 'optee-cleanup-for-v6.8' of https://git.linaro.org/people/jens.wiklander/linux-tee:
  optee: add missing description of RPC argument reference
  tee: optee: Remove redundant custom workqueue
  tee: optee: Fix supplicant based device enumeration

Link: https://lore.kernel.org/r/20231214132237.GA3092763@rayden
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-12-22 11:37:09 +00:00
Dave Airlie
92242716ee This tag contains habanalabs driver changes for v6.8.
The notable changes are:
 
 - uAPI changes:
   - Add sysfs entry to allow users to identify a device minor id with its
     debugfs path
   - Add sysfs entry to expose the device's module id as given to us from
     the f/w
   - Add signed device information retrieval through the INFO ioctl
 
 - New features and improvements:
   - Update documentation of debugfs paths
   - Add support for Gaudi2C device (new PCI revision number)
   - Add pcie reset prepare/done hooks
 
 - Firmware related fixes and changes:
   - Print three instances version numbers of Infineon second stage
   - Assume hard-reset is done by f/w upon PCIe AXI drain
 
 - Bug fixes and code cleanups:
   - Fix information leak in sec_attest_info()
   - Avoid overriding existing undefined opcode data in Gaudi2
   - Multiple Queue Manager (QMAN) fixes for Gaudi2
   - Set hard reset flag if graceful reset is skipped
   - Remove 'get temperature' debug print
   - Fix the new Event Queue heartbeat mechanism
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Merge tag 'drm-habanalabs-next-2023-12-19' of https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux into drm-next

This tag contains habanalabs driver changes for v6.8.

The notable changes are:

- uAPI changes:
  - Add sysfs entry to allow users to identify a device minor id with its
    debugfs path
  - Add sysfs entry to expose the device's module id as given to us from
    the f/w
  - Add signed device information retrieval through the INFO ioctl

- New features and improvements:
  - Update documentation of debugfs paths
  - Add support for Gaudi2C device (new PCI revision number)
  - Add pcie reset prepare/done hooks

- Firmware related fixes and changes:
  - Print three instances version numbers of Infineon second stage
  - Assume hard-reset is done by f/w upon PCIe AXI drain

- Bug fixes and code cleanups:
  - Fix information leak in sec_attest_info()
  - Avoid overriding existing undefined opcode data in Gaudi2
  - Multiple Queue Manager (QMAN) fixes for Gaudi2
  - Set hard reset flag if graceful reset is skipped
  - Remove 'get temperature' debug print
  - Fix the new Event Queue heartbeat mechanism

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Oded Gabbay <ogabbay@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/ZYFpihZscr/fsRRd@ogabbay-vm-u22.habana-labs.com
2023-12-22 14:52:04 +10:00
Dave Airlie
d219702902 Introduce a new DRM driver for Intel GPUs
Xe, is a new driver for Intel GPUs that supports both integrated and
 discrete platforms. The experimental support starts with Tiger Lake.
 i915 will continue be the main production driver for the platforms
 up to Meteor Lake and Alchemist. Then the goal is to make this Intel
 Xe driver the primary driver for Lunar Lake and newer platforms.
 
 It uses most, if not all, of the key drm concepts, in special: TTM,
 drm-scheduler, drm-exec, drm-gpuvm/gpuva and others.
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Merge tag 'drm-xe-next-2023-12-21-pr1-1' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next

Introduce a new DRM driver for Intel GPUs

Xe, is a new driver for Intel GPUs that supports both integrated and
discrete platforms. The experimental support starts with Tiger Lake.
i915 will continue be the main production driver for the platforms
up to Meteor Lake and Alchemist. Then the goal is to make this Intel
Xe driver the primary driver for Lunar Lake and newer platforms.

It uses most, if not all, of the key drm concepts, in special: TTM,
drm-scheduler, drm-exec, drm-gpuvm/gpuva and others.

Signed-off-by: Dave Airlie <airlied@redhat.com>

[airlied: add an extra X86 check, fix a typo, fix drm_exec_init interface
change].

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZYSwLgXZUZ57qGPQ@intel.com
2023-12-22 10:36:21 +10:00
Badal Nilawar
4446fcf220 drm/xe/hwmon: Expose power1_max_interval
Expose power1_max_interval, that is the tau corresponding to PL1, as a
custom hwmon attribute. Some bit manipulation is needed because of the
format of PKG_PWR_LIM_1_TIME in
PACKAGE_RAPL_LIMIT register (1.x * power(2,y))

v2: Get rpm wake ref while accessing power1_max_interval
v3: %s/hwmon/xe_hwmon/
v4:
 - As power1_max_interval is rw attr take lock in read function as well
 - Refine comment about val to fix point conversion (Andi)
 - Update kernel version and date in doc
v5: Fix review comments (Anshuman)

Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: Badal Nilawar <badal.nilawar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231030115618.1382200-4-badal.nilawar@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2023-12-21 11:43:32 -05:00
Badal Nilawar
71d0a32524 drm/xe/hwmon: Expose hwmon energy attribute
Expose hwmon energy attribute to show device level energy usage

v2:
  - %s/hwm_/hwmon_/
  - Convert enums to upper case
v3:
  - %s/hwmon_/xe_hwmon
  - Remove gt specific hwmon attributes
v4:
 - %s/REG_PKG_ENERGY_STATUS/REG_ENERGY_STATUS_ALL (Riana)
 - %s/hwmon_energy_info/xe_hwmon_energy_info (Riana)

Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Signed-off-by: Badal Nilawar <badal.nilawar@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://lore.kernel.org/r/20230925081842.3566834-5-badal.nilawar@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2023-12-21 11:42:08 -05:00
Badal Nilawar
fbcdc9d3bf drm/xe/hwmon: Expose input voltage attribute
Use Xe HWMON subsystem to display the input voltage.

v2:
  - Rename hwm_get_vltg to hwm_get_voltage (Riana)
  - Use scale factor SF_VOLTAGE (Riana)
v3:
  - %s/gt_perf_status/REG_GT_PERF_STATUS/
  - Remove platform check from hwmon_get_voltage()
v4:
  - Fix review comments (Andi)

Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Signed-off-by: Badal Nilawar <badal.nilawar@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://lore.kernel.org/r/20230925081842.3566834-4-badal.nilawar@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2023-12-21 11:42:08 -05:00
Badal Nilawar
92d44a422d drm/xe/hwmon: Expose card reactive critical power
Expose the card reactive critical (I1) power. I1 is exposed as
power1_crit in microwatts (typically for client products) or as
curr1_crit in milliamperes (typically for server).

v2: Move PCODE_MBOX macro to pcode file (Riana)
v3: s/IS_DG2/(gt_to_xe(gt)->info.platform == XE_DG2)
v4: Fix review comments (Andi)

Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Signed-off-by: Badal Nilawar <badal.nilawar@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://lore.kernel.org/r/20230925081842.3566834-3-badal.nilawar@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2023-12-21 11:42:08 -05:00
Badal Nilawar
fb1b70607f drm/xe/hwmon: Expose power attributes
Expose Card reactive sustained (pl1) power limit as power_max and
card default power limit (tdp) as power_rated_max.

v2:
  - Fix review comments (Riana)
v3:
  - Use drmm_mutex_init (Matt Brost)
  - Print error value (Matt Brost)
  - Convert enums to uppercase (Matt Brost)
  - Avoid extra reg read in hwmon_is_visible function (Riana)
  - Use xe_device_assert_mem_access when applicable (Matt Brost)
  - Add intel-xe@lists.freedesktop.org in Documentation (Matt Brost)
v4:
  - Use prefix xe_hwmon prefix for all functions (Matt Brost/Andi)
  - %s/hwmon_reg/xe_hwmon_reg (Andi)
  - Fix review comments (Guenter/Andi)
v5:
  - Fix review comments (Riana)
v6:
  - Use drm_warn in default case (Rodrigo)
  - s/ENODEV/EOPNOTSUPP (Andi)

Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Signed-off-by: Badal Nilawar <badal.nilawar@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://lore.kernel.org/r/20230925081842.3566834-2-badal.nilawar@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2023-12-21 11:42:08 -05:00
Rafael J. Wysocki
bfd7b2d95e Update devfreq next for v6.8
Detailed description for this pull request:
 1. Fix buffer overflow of trans_stat_show sysfs node on devfreq core
 - Fix buffer overflow of trans_stat_show sysfs node to replace
   sprintf with scnprintf and then replace it with sysfs_emit
   according to the syfs guide.
 
 2. Fix the timer list corruption when frequent switching of governor
 by synchronizing the devfreq_moniotr_start and _stop function.
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Merge tag 'devfreq-next-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux into pm-devfreq

Merge devfreq updates for v6.8 from Chanwoo Choi:

"1. Fix buffer overflow of trans_stat_show sysfs node on devfreq core

    - Fix buffer overflow of trans_stat_show sysfs node to replace
      sprintf with scnprintf and then replace it with sysfs_emit
      according to the syfs guide.

 2. Fix the timer list corruption when frequent switching of governor
    by synchronizing the devfreq_moniotr_start and _stop function."

* tag 'devfreq-next-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux:
  PM / devfreq: Synchronize devfreq_monitor_[start/stop]
  PM / devfreq: Convert to use sysfs_emit_at() API
  PM / devfreq: Fix buffer overflow in trans_stat_show
2023-12-21 14:43:46 +01:00
Greg Kroah-Hartman
7050abeb8f 1st set of IIO new device support, features and cleanup for 6.8
New device support
 ------------------
 
 adi,hmc425a
   * Add support for ADRF5740 attenuators.  Minor changes to driver needed
     alongside new IDs.
 aosong,ags02ma
   * New driver for this volatile organic compounds sensor.
 bosch,bmp280
   * Add BMP390 (small amount of refactoring + ID)
 bosch,bmi323
   * New driver to support the BMI323 6-axis IMU.
 honeywell,hsc030pa
   * New driver supporting a huge number of SSC and HSC series pressure and
     temperature sensors.
 isil,isl76682
   * New driver for this simple Ambient Light sensor.
 liteon,ltr390
   * New driver for this ambient and ultraviolet light sensor.
 maxim,max34408
   * New driver to support the MAX34408 and MAX34409 current monitoring ADCs.
 melexis,mlx90635
   * New driver for this Infrared contactless temperature sensor.
 mirochip,mcp9600
   * New driver for this thermocouple EMF convertor.
 ti,hdc3020
   * New driver for this integrated relative humidity and temperature
     sensor.
 vishay,veml6075
   * New driver for this UVA and UVB light sensor.
 
 General features
 ----------------
 
 Device properties
   * Add fwnode_property_match_property_string() helper to allow matching
     single value property against an array of predefined strings.
   * Use fwnode_property_string_array_count() inside
     fwnode_property_match_string() instead of open coding the same.
 checkpatch.pl
   * Add exclusion of __aligned() from a warning reducing false positives
     on IIO drivers (and hopefully beyond)
 
 IIO Features
 ------------
 
 core
   * New light channel modifiers for UVA and UVB.
   * Add IIO_CHAN_INFO_TROUGH as counterpart to IIO_CHAN_INFO_PEAK so that
     we can support device that keep running track of the lowest value they
     have seen in similar fashion to the existing peak tracking.
 adi,adis library
   * Use spi cs inactive delay even when a burst reading is performed.
     As it's now used every time, can centralize the handling in the SPI
     setup code in the driver.
 adi,ad2s1210
   * Support for fixed-mode to this resolver driver where the A0 and A1
     pins are hard wired to config mode in which case position and config
     must be read from appropriate config registers.
   * Support reset GPIO if present.
 adi,ad5791
   * Allow configuration of presence of external amplifier in DT binding.
 adi,adis16400
   * Add spi-cs-inactive-delay-ns to bindings to allow it to be tweaked
     if default delays are not quite enough for a specific board.
 adi,adis16475
   * Add spi-cs-inactive-delay-ns to bindings to allow it to be tweaked
     if default delays are not quite enough for a specific board.
 bosch,bmp280
   * Enable multiple chip IDs per family of devices.
 rohm,bu27008
   * Add an illuminance channel calculated from RGB and IR data.
 
 Cleanup
 -------
 
 Minor white space, typos and tidy up not explicitly called out.
 
 Core
   * Check that the available_scan_masks array passed to the IIO core
     by a driver is sensible by ensuring the entries are ordered so the
     minimum number of channels is enabled in the earlier entries (as they
     will be selected if sufficient for the requested channels).
   * Document that the available_scan_masks infrastructure doesn't currently
     handle masks that don't fit in a long int.
   * Improve intensity documentation to reflect that there is no expectation
     of sensible units (it's dependent on a frequency sensitivity curve)
 Various
   * Use new device_property_match_property_string() to replace open coded
     versions of the same thing.
   * Fix a few MAINTAINERS filenames.
   * i2c_get_match_data() and spi_get_device_match_data() pushed into
     more drivers reducing boilerplate handling.
   * Some unnecessary headers removed.
   * ACPI_PTR() removals. It's rarely worth using this.
 adi,ad7091r (early part of a series adding device support - useful in
   their own right)
   * Pass iio_dev directly an event handler rather than relying
     on broken use of dev_get_drvdata() as drvdata is never set in this driver.
   * Make sure alert is turned on.
 adi,ad9467 (general driver fixing up as precursor to iio-backend proposal
   which is under review for 6.9)
   * Fix reset gpio handling to match expected polarity.
   * Always handle error codes from spi_writes.
   * Add a driver instance local mutex to avoid some races.
   * Fix scale setting to align with available scale values.
   * Split array of chip_info structures up into named individual elements.
   * Convert to regmap.
 honeywell,mprls0025pa
   * Drop now unnecessary type references in DT binding for properties in
     pascals.
 invensense,mpu6050
   * Don't eat a potentially useful return value from regmap_bulk_write()
 invensense,icm42600
   * Use max macro to improve code readability and save a few lines.
 liteon,ltrf216a
   * Improve prevision of light intensity.
 microchip,mcp3911
   * Use cleanup.h magic.
 qcom,spmi*
   * Fix wrong descriptions of SPMI reg fields in bindings.
 
 Other
 ----
 
 mailmap
   * Update for Matt Ranostay
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Merge tag 'iio-for-6.8a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

1st set of IIO new device support, features and cleanup for 6.8

New device support
------------------

adi,hmc425a
  * Add support for ADRF5740 attenuators.  Minor changes to driver needed
    alongside new IDs.
aosong,ags02ma
  * New driver for this volatile organic compounds sensor.
bosch,bmp280
  * Add BMP390 (small amount of refactoring + ID)
bosch,bmi323
  * New driver to support the BMI323 6-axis IMU.
honeywell,hsc030pa
  * New driver supporting a huge number of SSC and HSC series pressure and
    temperature sensors.
isil,isl76682
  * New driver for this simple Ambient Light sensor.
liteon,ltr390
  * New driver for this ambient and ultraviolet light sensor.
maxim,max34408
  * New driver to support the MAX34408 and MAX34409 current monitoring ADCs.
melexis,mlx90635
  * New driver for this Infrared contactless temperature sensor.
mirochip,mcp9600
  * New driver for this thermocouple EMF convertor.
ti,hdc3020
  * New driver for this integrated relative humidity and temperature
    sensor.
vishay,veml6075
  * New driver for this UVA and UVB light sensor.

General features
----------------

Device properties
  * Add fwnode_property_match_property_string() helper to allow matching
    single value property against an array of predefined strings.
  * Use fwnode_property_string_array_count() inside
    fwnode_property_match_string() instead of open coding the same.
checkpatch.pl
  * Add exclusion of __aligned() from a warning reducing false positives
    on IIO drivers (and hopefully beyond)

IIO Features
------------

core
  * New light channel modifiers for UVA and UVB.
  * Add IIO_CHAN_INFO_TROUGH as counterpart to IIO_CHAN_INFO_PEAK so that
    we can support device that keep running track of the lowest value they
    have seen in similar fashion to the existing peak tracking.
adi,adis library
  * Use spi cs inactive delay even when a burst reading is performed.
    As it's now used every time, can centralize the handling in the SPI
    setup code in the driver.
adi,ad2s1210
  * Support for fixed-mode to this resolver driver where the A0 and A1
    pins are hard wired to config mode in which case position and config
    must be read from appropriate config registers.
  * Support reset GPIO if present.
adi,ad5791
  * Allow configuration of presence of external amplifier in DT binding.
adi,adis16400
  * Add spi-cs-inactive-delay-ns to bindings to allow it to be tweaked
    if default delays are not quite enough for a specific board.
adi,adis16475
  * Add spi-cs-inactive-delay-ns to bindings to allow it to be tweaked
    if default delays are not quite enough for a specific board.
bosch,bmp280
  * Enable multiple chip IDs per family of devices.
rohm,bu27008
  * Add an illuminance channel calculated from RGB and IR data.

Cleanup
-------

Minor white space, typos and tidy up not explicitly called out.

Core
  * Check that the available_scan_masks array passed to the IIO core
    by a driver is sensible by ensuring the entries are ordered so the
    minimum number of channels is enabled in the earlier entries (as they
    will be selected if sufficient for the requested channels).
  * Document that the available_scan_masks infrastructure doesn't currently
    handle masks that don't fit in a long int.
  * Improve intensity documentation to reflect that there is no expectation
    of sensible units (it's dependent on a frequency sensitivity curve)
Various
  * Use new device_property_match_property_string() to replace open coded
    versions of the same thing.
  * Fix a few MAINTAINERS filenames.
  * i2c_get_match_data() and spi_get_device_match_data() pushed into
    more drivers reducing boilerplate handling.
  * Some unnecessary headers removed.
  * ACPI_PTR() removals. It's rarely worth using this.
adi,ad7091r (early part of a series adding device support - useful in
  their own right)
  * Pass iio_dev directly an event handler rather than relying
    on broken use of dev_get_drvdata() as drvdata is never set in this driver.
  * Make sure alert is turned on.
adi,ad9467 (general driver fixing up as precursor to iio-backend proposal
  which is under review for 6.9)
  * Fix reset gpio handling to match expected polarity.
  * Always handle error codes from spi_writes.
  * Add a driver instance local mutex to avoid some races.
  * Fix scale setting to align with available scale values.
  * Split array of chip_info structures up into named individual elements.
  * Convert to regmap.
honeywell,mprls0025pa
  * Drop now unnecessary type references in DT binding for properties in
    pascals.
invensense,mpu6050
  * Don't eat a potentially useful return value from regmap_bulk_write()
invensense,icm42600
  * Use max macro to improve code readability and save a few lines.
liteon,ltrf216a
  * Improve prevision of light intensity.
microchip,mcp3911
  * Use cleanup.h magic.
qcom,spmi*
  * Fix wrong descriptions of SPMI reg fields in bindings.

Other
----

mailmap
  * Update for Matt Ranostay

* tag 'iio-for-6.8a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (83 commits)
  iio: adc: ad7091r: Align arguments to function call parenthesis
  iio: adc: ad7091r: Set alert bit in config register
  iio: adc: ad7091r: Pass iio_dev to event handler
  scripts: checkpatch: Add __aligned to the list of attribute notes
  iio: chemical: add support for Aosong AGS02MA
  dt-bindings: iio: chemical: add aosong,ags02ma
  dt-bindings: vendor-prefixes: add aosong
  iio: accel: bmi088: update comments and Kconfig
  dt-bindings: iio: humidity: Add TI HDC302x support
  iio: humidity: Add driver for ti HDC302x humidity sensors
  iio: ABI: document temperature and humidity peak/trough raw attributes
  iio: core: introduce trough info element for minimum values
  iio: light: driver for Lite-On ltr390
  dt-bindings: iio: light: add ltr390
  iio: light: isl76682: remove unreachable code
  iio: pressure: driver for Honeywell HSC/SSC series
  dt-bindings: iio: pressure: add honeywell,hsc030
  doc: iio: Document intensity scale as poorly defined
  dt-bindings: iio: temperature: add MLX90635 device
  iio: temperature: mlx90635 MLX90635 IR Temperature sensor
  ...
2023-12-20 17:13:16 +01:00
Tomer Tayar
aa5cea38ce accel/habanalabs: add parent_device sysfs attribute
The device debugfs directory was modified to be named as the
device-name.
This name is the parent device name, i.e. either the PCI address in case
of an ASIC, or the simulator device name in case of a simulator.

This change makes it more difficult for a user to access the debugfs
directory for a specific accel device, because he can't just use the
accel minor id, but he needs to do more device-dependent operations to
get the device name.

To make it easier to get this name, add a 'parent_device' sysfs
attribute that the user can read using the minor id before accessing
debugfs.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2023-12-19 11:09:44 +02:00
Tomer Tayar
cf0719a8a3 accel/habanalabs: update debugfs-driver-habanalabs with the device-name directory
The device debugfs directory was modified to be named as the
parent device name.
Update the paths accordingly.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2023-12-19 11:09:44 +02:00
Dani Liberman
47a552863d accel/habanalabs: expose module id through sysfs
Module ID exposes the physical location of the device in the server,
from the pov of the devices in regard to how they are connected by
internal fabric.

This information is already exposed in our INFO ioctl, but there are
utilities and scripts running in data-center which are already
accessing sysfs for topology information and it is easier for them
to continue getting that information from sysfs instead of opening
a file descriptor.

Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2023-12-19 11:09:43 +02:00
JaimeLiao
fc2efaf90a
mtd: spi-nor: sysfs: hide the flash name if not set
The flash name is not reliable as we saw flash ID collisions.
Hide the flash name if not set.

Signed-off-by: JaimeLiao <jaimeliao@mxic.com.tw>
Reviewed-by: Michael Walle <michael@walle.cc>
[ta: update commit subject and description and the sysfs description]
Link: https://lore.kernel.org/r/20231215082138.16063-4-tudor.ambarus@linaro.org
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
2023-12-19 05:08:23 +02:00
Alexander Graf
2678fd2fe9 initramfs: Expose retained initrd as sysfs file
When the kernel command line option "retain_initrd" is set, we do not
free the initrd memory. However, we also don't expose it to anyone for
consumption. That leaves us in a weird situation where the only user of
this feature is ppc64 and arm64 specific kexec tooling.

To make it more generally useful, this patch adds a kobject to the
firmware object that contains the initrd context when "retain_initrd"
is set. That way, we can access the initrd any time after boot from
user space and for example hand it into kexec as --initrd parameter
if we want to reboot the same initrd. Or inspect it directly locally.

With this patch applied, there is a new /sys/firmware/initrd file when
the kernel was booted with an initrd and "retain_initrd" command line
option is set.

Signed-off-by: Alexander Graf <graf@amazon.com>
Tested-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20231207235654.16622-1-graf@amazon.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-15 17:23:00 +01:00
Miquel Raynal
192048e5a5 ABI: sysfs-nvmem-cells: Expose cells through sysfs
The binary content of nvmem devices is available to the user so in the
easiest cases, finding the content of a cell is rather easy as it is
just a matter of looking at a known and fixed offset. However, nvmem
layouts have been recently introduced to cope with more advanced
situations, where the offset and size of the cells is not known in
advance or is dynamic. When using layouts, more advanced parsers are
used by the kernel in order to give direct access to the content of each
cell regardless of their position/size in the underlying device, but
these information were not accessible to the user.

By exposing the nvmem cells to the user through a dedicated cell/ folder
containing one file per cell, we provide a straightforward access to
useful user information without the need for re-writing a userland
parser. Content of nvmem cells is usually: product names, manufacturing
date, MAC addresses, etc,

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20231215111536.316972-8-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-12-15 13:30:08 +01:00
Martin K. Petersen
6df14a32e9 Merge patch series "Add UFS RTC support"
Bean Huo <beanhuo@iokpp.de> says:

Adding RTC support for embedded storage device UFS in its driver, it
is important for a few key reasons:

1. Helps with Regular Maintenance:
The RTC provides a basic way to keep track of time, making it useful for
scheduling routine maintenance tasks in the storage device. This includes
things like making sure data is spread
evenly across the storage to extend its life.

2. Figuring Out How Old Data Is:
The RTC helps the device estimate how long ago certain parts of the storage
were last used. This is handy for deciding when to do maintenance tasks to
keep the storage working well over time.

3. Making Devices Last Longer:
By using the RTC for regular upkeep, we can make sure the storage device lasts
longer and stays reliable. This is especially important for devices that need
to work well for a long time.

4.Fitting In with Other Devices:
The inclusion of RTC support aligns with existing UFS specifications (starting
from UFS Spec 2.0) and is consistent with the prevalent industry practice. Many
UFS devices currently on the market utilize RTC for internal timekeeping. By
ensuring compatibility with this widely adopted standard, the embedded storage
device becomes seamlessly integrable with existing hardware and software
ecosystems, reducing the risk of compatibility issues.

In short, adding RTC support to embedded storage device UFS helps with regular
upkeep, extends the device's life, ensures compatibility, and keeps everything
running smoothly with the rest of the system.

Link: https://lore.kernel.org/r/20231212220825.85255-1-beanhuo@iokpp.de
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-12-13 23:17:17 -05:00
Bean Huo
838f595a56 scsi: ufs: core: Add sysfs node for UFS RTC update
Introduce a sysfs node named 'rtc_update_ms' within the kernel, enabling
user to adjust the RTC periodic update frequency to suit the specific
requirements of the system and UFS. Also, this patch allows the user to
disable/enable periodic update RTC in the UFS idle time.

Signed-off-by: Bean Huo <beanhuo@micron.com>
Link: https://lore.kernel.org/r/20231212220825.85255-4-beanhuo@iokpp.de
Acked-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-12-13 23:16:12 -05:00
Florian Eckert
6dec659896 leds: ledtrig-tty: Add additional line state evaluation
The serial tty interface also supports additional input signals, that
can also be evaluated within this trigger. This change is adding the
following additional input sources, which could be controlled
via the '/sys/class/<leds>/' sysfs interface.

Explanation:
DCE = Data Communication Equipment (Modem)
DTE = Data Terminal Equipment (Computer)

- cts:
  DCE is ready to accept data from the DTE (CTS = Clear To Send). If
  the line state is detected, the LED is switched on.
  If set to 0 (default), the LED will not evaluate CTS.
  If set to 1, the LED will evaluate CTS.

- dsr:
  DCE is ready to receive and send data (DSR = Data Set Ready). If the
  line state is detected, the LED is switched on.
  If set to 0 (default), the LED will not evaluate DSR.
  If set to 1, the LED will evaluate DSR.

- dcd:
  DTE is receiving a carrier from the DCE (DCD = Data Carrier Detect).
  If the line state is detected, the LED is switched on.
  If set to 0 (default), the LED will not evaluate DCD.
  If set to 1, the LED will evaluate DCD.

- rng:
  DCE has detected an incoming ring signal on the telephone line
  (RNG = Ring Indicator). If the line state is detected, the LED is
  switched on.
  If set to 0 (default), the LED will not evaluate RNG.
  If set to 1, the LED will evaluate RNG.

Also add an invert flag on LED blink, so that the LED blinks in the
correct order.

* If one off the new enabled input signals are evaluatet as 'enabled',
  and data are transmitted, then the LED should first blink 'off' and
  then 'on' (invert).
* If all the new enabled input signals are evaluatet as 'disabled',
  and data are transmitted, then the LED should first blink 'on' and
  then 'off'.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
Reviewed-by: Maarten Brock <m.brock@vanmierlo.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20231127110311.3583957-5-fe@dev.tdt.de
Signed-off-by: Lee Jones <lee@kernel.org>
2023-12-13 11:28:51 +00:00
Florian Eckert
5b755ca677 leds: ledtrig-tty: Make rx tx activitate configurable
Until now, the LED blinks when data is sent via the tty (rx/tx).
This is not configurable.

This change adds the possibility to make the indication for the direction
of the transmitted data independently controllable via the new rx and
tx sysfs entries.

- rx:
  Signal reception (rx) of data on the named tty device.
  If set to 0, the LED will not blink on reception.
  If set to 1 (default), the LED will blink on reception.

- tx:
  Signal transmission (tx) of data on the named tty device.
  If set to 0, the LED will not blink on transmission.
  If set to 1 (default), the LED will blink on transmission.

This new sysfs entry are on by default. Thus the trigger behaves as
before this change.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20231127110311.3583957-4-fe@dev.tdt.de
Signed-off-by: Lee Jones <lee@kernel.org>
2023-12-13 11:28:49 +00:00
Daniel Golle
ee8bfb4722 docs: ABI: sysfs-class-led-trigger-netdev: Add new modes and entry
Document newly introduced modes for the LED netdev trigger.

Add documentation for new modes:
- link_2500
- link_5000
- link_10000

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/e72a6794639cf3881d698e1d34b456e747da1b95.1701143925.git.daniel@makrotopia.org
Signed-off-by: Lee Jones <lee@kernel.org>
2023-12-13 11:24:55 +00:00
SeongJae Park
0972913f96 Docs/ABI/damon: document DAMOS quota goals
Update DAMON ABI document for the newly added DAMON sysfs files and inputs
for DAMOS quota goals.

Link: https://lkml.kernel.org/r/20231130023652.50284-9-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: David Gow <davidgow@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-12-12 10:57:04 -08:00
Greg Kroah-Hartman
e909abe885 coresight: Updates for Linux v6.8
Updates for the hwtracing subsystem includes :
  - Support for CoreSight TPDM DSB set
  - Support for tuning Cycle count Threshold for CoreSight ETM via perf
  - Support for TRBE on ACPI based systems
  - Support for choosing buffer mode in ETR for sysfs mode
  - Improvements to HiSilicon PTT driver
  - Cleanups to Ultrasoc SMB driver
  - Cleanup .remove callback for various Coresight platform drivers
  - Remove Leo Yan from Reviewers
 
 Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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Merge tag 'coresight-next-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next

Suzuki writes:

coresight: Updates for Linux v6.8

Updates for the hwtracing subsystem includes :
 - Support for CoreSight TPDM DSB set
 - Support for tuning Cycle count Threshold for CoreSight ETM via perf
 - Support for TRBE on ACPI based systems
 - Support for choosing buffer mode in ETR for sysfs mode
 - Improvements to HiSilicon PTT driver
 - Cleanups to Ultrasoc SMB driver
 - Cleanup .remove callback for various Coresight platform drivers
 - Remove Leo Yan from Reviewers

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

* tag 'coresight-next-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux: (32 commits)
  coresight: ultrasoc-smb: Use guards to cleanup
  coresight: ultrasoc-smb: Convert to platform remove callback returning void
  coresight: trbe: Convert to platform remove callback returning void
  coresight: replicator: Convert to platform remove callback returning void
  coresight: funnel: Convert to platform remove callback returning void
  coresight: etm4x: Convert to platform remove callback returning void
  coresight: dummy: Convert to platform remove callback returning void
  coresight: etm4x: Fix width of CCITMIN field
  coresight-tpdm: Correct the property name of MSR number
  hwtracing: hisi_ptt: Optimize the trace data committing
  hwtracing: hisi_ptt: Disable interrupt after trace end
  Documentation: ABI: coresight-tpdm: Fix Bit[3] description indentation
  coresight-tpdm: Add nodes for dsb msr support
  dt-bindings: arm: Add support for DSB MSR register
  coresight-tpdm: Add nodes for timestamp request
  coresight-tpdm: Add nodes to configure pattern match output
  coresight-tpdm: Add nodes for dsb edge control
  coresight-tpdm: Add node to set dsb programming mode
  coresight-tpdm: Add nodes to set trigger timestamp and type
  coresight-tpdm: Add reset node to TPDM node
  ...
2023-12-12 14:34:15 +01:00
Javier Carrasco
a4887e9782 iio: ABI: document temperature and humidity peak/trough raw attributes
The in_temp_peak_raw attribute is already in use, but its documentation
is still missing. The in_humidityrelative_raw must be documented for a
new iio user that supports this attribute. Add temp and humidityrelative
use cases.
When at it, remove an extra blank space in the description.

For users that support minimum values, a new in_<type>_trough_raw
attribute is required. Add this attribute and document the first uses of
it for temp and humidityrelative types.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20231211122840.9760-1-579lpy@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-12-11 19:37:10 +00:00
Marek Vasut
608531bd86 doc: iio: Document intensity scale as poorly defined
Add comment about intensity scale being poorly defined and
having no proper units.

Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20231207134200.329174-1-marex@denx.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-12-11 19:16:34 +00:00
Javier Carrasco
16693c2725 ABI: sysfs-class-hwmon: document emergency/max/min temperature alarms
These attributes are widely used in the hwmon subsystem, but they still
must be documented.

Add tempY_emergency_alarm, tempY_max_alarm and tempY_min_alarm to the
ABI documentation according to their current usage and access rights in
the hwmon subsystem.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20231116-hwmon_abi-v1-4-8bfb7f51145a@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2023-12-11 06:21:00 -08:00
Javier Carrasco
2de83b67cf ABI: sysfs-class-hwmon: fix tempY_crit_alarm access rights
This attribute is defined as read-only by all drivers that support it.

It seems that the access rights and description for this attribute were
copied from the intrusionY_alarm, which has indeed RW rights and must be
cleared by the user.

These are the modules that currently use this attribute:
- adt7x10
- i5500_temp
- jc42
- lm83
- lm90
- lm95245
- max31760
- max6621
- mc34vr500
- tmp401
- tmp464
- tmp513

Fix the attribute description and make it read-only.

Fixes: 365b5d63a5 ("ABI: sysfs-class-hwmon: add a description for tempY_crit_alarm")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20231116-hwmon_abi-v1-3-8bfb7f51145a@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2023-12-11 06:21:00 -08:00
Javier Carrasco
d0d710554e ABI: sysfs-class-hwmon: document missing humidity attributes
All these attributes already exist and are used by the hwmon subsystem,
but they still must be documented.

The missing attributes are the following:
- humidityY_alarm
- humidityY_fault
- humidityY_label
- humidityY_max
- humidityY_max_hyst
- humidityY_min
- humidityY_min_hyst

Add the missing humidity attributes to the ABI documentation according
to their current usage and access rights in the hwmon subsystem.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20231116-hwmon_abi-v1-2-8bfb7f51145a@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2023-12-11 06:21:00 -08:00
Javier Carrasco
02d0fdd484 ABI: sysfs-class-hwmon: rearrange humidity attributes alphabetically
Preliminary step to add the missing humidity attributes in the ABI
documentation.

Adding new elements alphabetically is a common practice that has been
loosely followed in the sysfs-class-hwmon documentation. Since most of
the humidity attributes must be added to the file, a single attribute
needs to be rearranged to reinforce alphabetical order.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20231116-hwmon_abi-v1-1-8bfb7f51145a@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2023-12-11 06:21:00 -08:00
Linus Torvalds
a6adef8987 ARM: SoC fixes for v6.7
Most of the changes are devicetree fixes for NXP, Mediatek, Rockchips
 Arm machines as well as Microchip RISC-V, and most of these address
 build-time warnings for spec violations and other minor issues. One of
 the Mediatek warnings was enabled by default and prevented a clean build.
 The ones that address serious runtime issues are all on the i.MX platform:
 
  - a boot time panic on imx8qm
  - USB hanging under load on imx8
  - regressions on the imx93 ethernet phy
 
 Code fixes include a minor error handling for the i.MX PMU driver, and
 a number of firmware driver fixes:
 
  - OP-TEE fix for supplicant based device enumeration, and a new
    sysfs attribute to needed to fix a race against userspace
 
  - Arm SCMI fix for possible truncation/overflow in the frequency
    computations
 
  - Multiple FF-A fixes for the newly added notification support.
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Merge tag 'soc-fixes-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Most of the changes are devicetree fixes for NXP, Mediatek, Rockchips
  Arm machines as well as Microchip RISC-V, and most of these address
  build-time warnings for spec violations and other minor issues. One of
  the Mediatek warnings was enabled by default and prevented a clean
  build.

  The ones that address serious runtime issues are all on the i.MX
  platform:

   - a boot time panic on imx8qm

   - USB hanging under load on imx8

   - regressions on the imx93 ethernet phy

  Code fixes include a minor error handling for the i.MX PMU driver, and
  a number of firmware driver fixes:

   - OP-TEE fix for supplicant based device enumeration, and a new sysfs
     attribute to needed to fix a race against userspace

   - Arm SCMI fix for possible truncation/overflow in the frequency
     computations

   - Multiple FF-A fixes for the newly added notification support"

* tag 'soc-fixes-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (55 commits)
  MAINTAINERS: change the S32G2 maintainer's email address.
  arm64: dts: rockchip: Fix eMMC Data Strobe PD on rk3588
  ARM: dts: imx28-xea: Pass the 'model' property
  ARM: dts: imx7: Declare timers compatible with fsl,imx6dl-gpt
  MAINTAINERS: reinstate freescale ARM64 DT directory in i.MX entry
  arm64: dts: imx8-apalis: set wifi regulator to always-on
  ARM: imx: Check return value of devm_kasprintf in imx_mmdc_perf_init
  arm64: dts: imx8ulp: update gpio node name to align with register address
  arm64: dts: imx93: update gpio node name to align with register address
  arm64: dts: imx93: correct mediamix power
  arm64: dts: imx8qm: Add imx8qm's own pm to avoid panic during startup
  arm64: dts: freescale: imx8-ss-dma: Fix #pwm-cells
  arm64: dts: freescale: imx8-ss-lsio: Fix #pwm-cells
  dt-bindings: pwm: imx-pwm: Unify #pwm-cells for all compatibles
  ARM: dts: imx6ul-pico: Describe the Ethernet PHY clock
  arm64: dts: imx8mp: imx8mq: Add parkmode-disable-ss-quirk on DWC3
  arm64: dts: rockchip: Fix PCI node addresses on rk3399-gru
  arm64: dts: rockchip: drop interrupt-names property from rk3588s dfi
  firmware: arm_scmi: Fix possible frequency truncation when using level indexing mode
  firmware: arm_scmi: Fix frequency truncation by promoting multiplier type
  ...
2023-12-08 08:58:39 -08:00
Huisong Li
a07d8fc358 doc: kunpeng_hccs: Fix incorrect email domain name
The email domain name in Contact is wrong. So this patch has to modify it.

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2023-12-07 06:16:34 +00:00
Arnd Bergmann
9c7f01d5f4 OP-TEE fix for supplicant based device enumeration
Adds a sysfs attribute for devices depending on supplicant services so
 that the user-space service can detect and detach those devices before
 closing the supplicant
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Merge tag 'optee-supplicant-fix-for-v6.7' of git://git.linaro.org:/people/jens.wiklander/linux-tee into arm/fixes

OP-TEE fix for supplicant based device enumeration

Adds a sysfs attribute for devices depending on supplicant services so
that the user-space service can detect and detach those devices before
closing the supplicant

* tag 'optee-supplicant-fix-for-v6.7' of git://git.linaro.org:/people/jens.wiklander/linux-tee:
  tee: optee: Fix supplicant based device enumeration

Link: https://lore.kernel.org/r/20231114153113.GA1310615@rayden
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-12-06 16:15:26 +01:00
Longfang Liu
7b99417780 Documentation: add debugfs description for vfio
Add an debugfs document description file to help users understand
how to use the accelerator live migration driver's debugfs.

Signed-off-by: Longfang Liu <liulongfang@huawei.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20231106072225.28577-3-liulongfang@huawei.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2023-12-04 14:29:39 -07:00
Javier Carrasco
b89710bd21 iio: add modifiers for A and B ultraviolet light
Currently there are only two modifiers for ultraviolet light: a generic
one for any ultraviolet light (IIO_MOD_LIGHT_UV) and one for deep
ultraviolet (IIO_MOD_LIGHT_DUV), which is also referred as ultraviolet
C (UV-C) band and covers short-wave ultraviolet.

There are still no modifiers for the long-wave and medium-wave
ultraviolet bands. These two bands are the main components used to
obtain the UV index on the Earth's surface.

Add modifiers for the ultraviolet A (UV-A) and ultraviolet B (UV-B)
bands.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20231110-veml6075-v3-1-6ee46775b422@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-12-04 13:57:24 +00:00
Henry Shi
d9cd21d441 platform/x86: Add Silicom Platform Driver
Add Silicom platform (silicom-platform) Linux driver for Swisscom
Business Box (Swisscom BB) as well as Cordoba family products.

This platform driver provides support for various functions via
the Linux LED framework, GPIO framework, Hardware Monitoring (HWMON)
and device attributes.

Signed-off-by: Henry Shi <henryshi2018@gmail.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20231124200334.5318-1-henryshi2018@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-12-04 13:44:05 +01:00
Weili Qian
c66272a4c9 crypto: hisilicon/qm - simplify the status of qm
The 'QM_INIT' and 'QM_CLOSE' status of qm and 'QP_INIT'
and 'QP_CLOSE' status of queue are not actually used. Currently,
driver only needs to switch status when the device or queue
is enabled or stopped, Therefore, remove unneeded status to
simplify driver. In addition, rename'QM_START to'QM_WORK' for
ease to understand.

Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-12-01 18:03:26 +08:00
Chao Yu
d346fa09ab f2fs: sysfs: support discard_io_aware
It gives a way to enable/disable IO aware feature for background
discard, so that we can tune background discard more precisely
based on undiscard condition. e.g. force to disable IO aware if
there are large number of discard extents, and discard IO may
always be interrupted by frequent common IO.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-11-28 10:59:51 -08:00
Takashi Iwai
8f2244c9af leds: class: Don't expose color sysfs entry
The commit c7d80059b0 ("leds: class: Store the color index in struct
led_classdev") introduced a new sysfs entry "color" that is commonly
created for the led classdev.  Unfortunately, this conflicts with the
"color" sysfs entry of already existing drivers such as Logitech HID
or System76 ACPI drivers.  The driver probe fails due to the conflict,
hence it leads to a severe regression with the missing keyboard, for
example.

This patch reverts partially the change in the commit above for
removing the led class color sysfs entries again for addressing the
regressions.  The newly introduced led_classdev.color field is kept as
it's already used by other driver.

Fixes: c7d80059b0 ("leds: class: Store the color index in struct led_classdev")
Reported-by: Johannes Penßel <johannes.penssel@gmail.com>
Closes: https://lore.kernel.org/r/b5646db3-acff-45aa-baef-df3f660486fb@gmail.com
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218045
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218155
Link: https://bugzilla.suse.com/show_bug.cgi?id=1217172
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231121162359.9332-1-tiwai@suse.de
Signed-off-by: Lee Jones <lee@kernel.org>
2023-11-22 11:46:03 +00:00
Jagath Jog J
8a636db3aa iio: imu: Add driver for BMI323 IMU
The Bosch BMI323 is a 6-axis low-power IMU that provide measurements for
acceleration, angular rate, and temperature. This sensor includes
motion-triggered interrupt features, such as a step counter, tap detection,
and activity/inactivity interrupt capabilities.

The driver supports various functionalities, including data ready, FIFO
data handling, and events such as tap detection, step counting, and
activity interrupts.

Signed-off-by: Jagath Jog J <jagathjog1996@gmail.com>
Link: https://lore.kernel.org/r/20231013034808.8948-3-jagathjog1996@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-11-16 19:10:25 +00:00
Bagas Sanjaya
9d4408feff Documentation: ABI: coresight-tpdm: Fix Bit[3] description indentation
Stephen Rothwell reported htmldocs warnings when merging coresight tree:

Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm:48: ERROR: Unexpected indentation.
Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm:48: WARNING: Block quote ends without a blank line; unexpected unindent.

Fix indentation alignment for Bit[3] list entry in dsb_mode description to
silence above warnings.

Fixes: 018e43ad1e ("coresight-tpdm: Add node to set dsb programming mode")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/linux-next/20231017143324.75387a21@canb.auug.org.au/
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20231017095608.136277-1-bagasdotme@gmail.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
2023-11-16 11:35:40 +00:00
Tao Zhang
350ba15ae1 coresight-tpdm: Add nodes for dsb msr support
Add the nodes for DSB subunit MSR(mux select register) support.
The TPDM MSR (mux select register) interface is an optional
interface and associated bank of registers per TPDM subunit.
The intent of mux select registers is to control muxing structures
driving the TPDM’s’ various subunit interfaces.

Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1695882586-10306-14-git-send-email-quic_taozha@quicinc.com
2023-11-16 11:35:38 +00:00
Tao Zhang
4c983382a2 coresight-tpdm: Add nodes for timestamp request
Add nodes to configure the timestamp request based on input
pattern match. Each TPDM that support DSB subunit has maximum of
n(n<7) TPR registers to configure value for timestamp request
based on input pattern match. Eight 32 bit registers providing
DSB interface timestamp request  pattern match comparison. And
each TPDM that support DSB subunit has maximum of m(m<7) TPMR
registers to configure pattern mask for timestamp request. Eight
32 bit registers providing DSB interface timestamp request
pattern match mask generation. Add nodes to enable/disable
pattern timestamp and set pattern timestamp type.

Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1695882586-10306-12-git-send-email-quic_taozha@quicinc.com
2023-11-16 11:35:34 +00:00
Tao Zhang
a8138a9445 coresight-tpdm: Add nodes to configure pattern match output
Add nodes to configure trigger pattern and trigger pattern mask.
Each DSB subunit TPDM has maximum of n(n<7) XPR registers to
configure trigger pattern match output. Eight 32 bit registers
providing DSB interface trigger output pattern match comparison.
And each DSB subunit TPDM has maximum of m(m<7) XPMR registers to
configure trigger pattern mask match output. Eight 32 bit
registers providing DSB interface trigger output pattern match
mask.

Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1695882586-10306-11-git-send-email-quic_taozha@quicinc.com
2023-11-16 11:35:33 +00:00
Tao Zhang
f376caf25f coresight-tpdm: Add nodes for dsb edge control
Add the nodes to set value for DSB edge control and DSB edge
control mask. Each DSB subunit TPDM has maximum of n(n<16) EDCR
resgisters to configure edge control. DSB edge detection control
00: Rising edge detection
01: Falling edge detection
10: Rising and falling edge detection (toggle detection)
And each DSB subunit TPDM has maximum of m(m<8) ECDMR registers to
configure mask. Eight 32 bit registers providing DSB interface
edge detection mask control.

Add the nodes to configure DSB edge control and DSB edge control
mask. Each DSB subunit TPDM maximum of 256 edge detections can be
configured. The index and value sysfs files need to be paired and
written to order. The index sysfs file is to set the index number
of the edge detection which needs to be configured. And the value
sysfs file is to set the control or mask for the edge detection.
DSB edge detection control should be set as the following values.
00: Rising edge detection
01: Falling edge detection
10: Rising and falling edge detection (toggle detection)
And DSB edge mask should be set as 0 or 1.
Each DSB subunit TPDM has maximum of n(n<16) EDCR resgisters to
configure edge control. And each DSB subunit TPDM has maximum of
m(m<8) ECDMR registers to configure mask.

Add the nodes to read a set of the edge control value and mask
of the DSB in TPDM.

Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1695882586-10306-10-git-send-email-quic_taozha@quicinc.com
2023-11-16 11:35:31 +00:00
Tao Zhang
018e43ad1e coresight-tpdm: Add node to set dsb programming mode
Add node to set and show programming mode for TPDM DSB subunit.
Once the DSB programming mode is set, it will be written to the
register DSB_CR.

Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1695882586-10306-9-git-send-email-quic_taozha@quicinc.com
2023-11-16 11:35:29 +00:00
Tao Zhang
851b3f9c9c coresight-tpdm: Add nodes to set trigger timestamp and type
The nodes are needed to set or show the trigger timestamp and
trigger type. This change is to add these nodes to achieve these
function.

Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1695882586-10306-8-git-send-email-quic_taozha@quicinc.com
2023-11-16 11:35:28 +00:00
Tao Zhang
8fbbce11a9 coresight-tpdm: Add reset node to TPDM node
TPDM device need a node to reset the configurations and status of
it. This change provides a node to reset the configurations and
disable the TPDM if it has been enabled.

Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1695882586-10306-7-git-send-email-quic_taozha@quicinc.com
2023-11-16 11:35:27 +00:00
Anshuman Khandual
2373699a35 coresight: tmc: Make etr buffer mode user configurable from sysfs
Currently TMC-ETR automatically selects the buffer mode from all available
methods in the following sequentially fallback manner - also in that order.

1. FLAT mode with or without IOMMU
2. TMC-ETR-SG (scatter gather) mode when available
3. CATU mode when available

But this order might not be ideal for all situations. For example if there
is a CATU connected to ETR, it may be better to use TMC-ETR scatter gather
method, rather than CATU. But hard coding such order changes will prevent
us from testing or using a particular mode. This change provides following
new sysfs tunables for the user to control TMC-ETR buffer mode explicitly,
if required. This adds following new sysfs files for buffer mode selection
purpose explicitly in the user space.

/sys/bus/coresight/devices/tmc_etr<N>/buf_modes_available
/sys/bus/coresight/devices/tmc_etr<N>/buf_mode_preferred

$ cat buf_modes_available
auto flat tmc-sg catu	------------------> Supported TMC-ETR buffer modes

$ echo catu > buf_mode_preferred   -------> Explicit buffer mode request

But explicit user request has to be within supported ETR buffer modes only.
These sysfs interface files are exclussive to ETR, and hence these are not
available for other TMC devices such as ETB or ETF etc.

A new auto' mode (i.e ETR_MODE_AUTO) has been added to help fallback to the
existing default behaviour, when user provided preferred buffer mode fails.
ETR_MODE_FLAT and ETR_MODE_AUTO are always available as preferred modes.

Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: James Clark <james.clark@arm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
[Fixup year in sysfs ABI documentation]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230818082112.554638-1-anshuman.khandual@arm.com
2023-11-16 11:35:12 +00:00
Can Guo
4f6dd2a4bf scsi: ufs: ufs-sysfs: Expose UFS power info
Having UFS power info available in sysfs makes it easier to tell the state
of the link during runtime considering we have a bunch of power saving
features and various combinations for backward compatibility.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Can Guo <quic_cang@quicinc.com>
Link: https://lore.kernel.org/r/1698890324-7374-1-git-send-email-quic_cang@quicinc.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-11-15 10:23:55 -05:00
Peter Zijlstra
5d2d4a9f60 Merge branch 'tip/perf/urgent'
Avoid conflicts, base on fixes.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
2023-11-15 10:15:40 +01:00
Christian Marangi
08e23d05fa PM / devfreq: Fix buffer overflow in trans_stat_show
Fix buffer overflow in trans_stat_show().

Convert simple snprintf to the more secure scnprintf with size of
PAGE_SIZE.

Add condition checking if we are exceeding PAGE_SIZE and exit early from
loop. Also add at the end a warning that we exceeded PAGE_SIZE and that
stats is disabled.

Return -EFBIG in the case where we don't have enough space to write the
full transition table.

Also document in the ABI that this function can return -EFBIG error.

Link: https://lore.kernel.org/all/20231024183016.14648-2-ansuelsmth@gmail.com/
Cc: stable@vger.kernel.org
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218041
Fixes: e552bbaf5b ("PM / devfreq: Add sysfs node for representing frequency transition information.")
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2023-11-13 10:48:49 +09:00
Linus Torvalds
77fa2fbe87 vhost,virtio,vdpa: features, fixes, cleanups
vdpa/mlx5:
 	VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK
 	new maintainer
 vdpa:
 	support for vq descriptor mappings
 	decouple reset of iotlb mapping from device reset
 
 fixes, cleanups all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:
 "vhost,virtio,vdpa: features, fixes, cleanups.

  vdpa/mlx5:
   - VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK
   - new maintainer

  vdpa:
   - support for vq descriptor mappings
   - decouple reset of iotlb mapping from device reset

  and fixes, cleanups all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (34 commits)
  vdpa_sim: implement .reset_map support
  vdpa/mlx5: implement .reset_map driver op
  vhost-vdpa: clean iotlb map during reset for older userspace
  vdpa: introduce .compat_reset operation callback
  vhost-vdpa: introduce IOTLB_PERSIST backend feature bit
  vhost-vdpa: reset vendor specific mapping to initial state in .release
  vdpa: introduce .reset_map operation callback
  virtio_pci: add check for common cfg size
  virtio-blk: fix implicit overflow on virtio_max_dma_size
  virtio_pci: add build offset check for the new common cfg items
  virtio: add definition of VIRTIO_F_NOTIF_CONFIG_DATA feature bit
  vduse: make vduse_class constant
  vhost-scsi: Spelling s/preceeding/preceding/g
  virtio: kdoc for struct virtio_pci_modern_device
  vdpa: Update sysfs ABI documentation
  MAINTAINERS: Add myself as mlx5_vdpa driver
  virtio-balloon: correct the comment of virtballoon_migratepage()
  mlx5_vdpa: offer VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK
  vdpa/mlx5: Update cvq iotlb mapping on ASID change
  vdpa/mlx5: Make iotlb helper functions more generic
  ...
2023-11-05 09:02:32 -10:00
Linus Torvalds
1c41041124 I3C for 6.7
Core:
  - handle IBI in the proper order
 
 Drivers:
  - cdns: fix status register access
  - mipi-i3c-hci: many fixes now that the driver has been actually tested
  - svc: many IBI fixes, correct compatible string, fix hot join corner cases
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Merge tag 'i3c/for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3c updates from Alexandre Belloni:
 "There are now more fixes because as stated in my previous pull
  request, people now have access to actual hardware.

  Core:

   - handle IBI in the proper order

  Drivers:

   - cdns: fix status register access

   - mipi-i3c-hci: many fixes now that the driver has been actually
     tested

   - svc: many IBI fixes, correct compatible string, fix hot join corner
     cases"

* tag 'i3c/for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (29 commits)
  i3c: master: handle IBIs in order they came
  i3c: master: mipi-i3c-hci: Fix a kernel panic for accessing DAT_data.
  i3c: master: svc: fix compatibility string mismatch with binding doc
  i3c: master: svc: fix random hot join failure since timeout error
  i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen
  i3c: master: svc: fix check wrong status register in irq handler
  i3c: master: svc: fix ibi may not return mandatory data byte
  i3c: master: svc: fix wrong data return when IBI happen during start frame
  i3c: master: svc: fix race condition in ibi work thread
  i3c: Fix typo "Provisional ID" to "Provisioned ID"
  i3c: Fix potential refcount leak in i3c_master_register_new_i3c_devs
  i3c: mipi-i3c-hci: Resume controller after aborted transfer
  i3c: mipi-i3c-hci: Resume controller explicitly
  i3c: mipi-i3c-hci: Fix missing xfer->completion in hci_cmd_v1_daa()
  i3c: mipi-i3c-hci: Do not unmap region not mapped for transfer
  i3c: mipi-i3c-hci: Set number of SW enabled Ring Bundles earlier
  i3c: mipi-i3c-hci: Fix race between bus cleanup and interrupt
  i3c: mipi-i3c-hci: Set ring start request together with enable
  i3c: mipi-i3c-hci: Remove BUG() when Ring Abort request times out
  i3c: mipi-i3c-hci: Fix out of bounds access in hci_dma_irq_handler
  ...
2023-11-04 16:25:36 -10:00
Linus Torvalds
b8cc56d041 cxl for v6.7
- Add support for RCH (Restricted CXL Host) Error recovery
 
 - Fix several region assembly bugs
 
 - Fix mem-device lifetime issues relative to the sanitize command and
   RCH topology.
 
 - Refactor ACPI table parsing for CDAT parsing re-use in preparation for
   CXL QOS support.
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Merge tag 'cxl-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL (Compute Express Link) updates from Dan Williams:
 "The main new functionality this time is work to allow Linux to
  natively handle CXL link protocol errors signalled via PCIe AER for
  current generation CXL platforms. This required some enlightenment of
  the PCIe AER core to workaround the fact that current generation RCH
  (Restricted CXL Host) platforms physically hide topology details and
  registers via a mechanism called RCRB (Root Complex Register Block).

  The next major highlight is reworks to address bugs in parsing region
  configurations for next generation VH (Virtual Host) topologies. The
  old broken algorithm is replaced with a simpler one that significantly
  increases the number of region configurations supported by Linux. This
  is again relevant for error handling so that forward and reverse
  address translation of memory errors can be carried out by Linux for
  memory regions instantiated by platform firmware.

  As for other cross-tree work, the ACPI table parsing code has been
  refactored for reuse parsing the "CDAT" structure which is an
  ACPI-like data structure that is reported by CXL devices. That work is
  in preparation for v6.8 support for CXL QoS. Think of this as dynamic
  generation of NUMA node topology information generated by Linux rather
  than platform firmware.

  Lastly, a number of internal object lifetime issues have been resolved
  along with misc. fixes and feature updates (decoders_committed sysfs
  ABI).

  Summary:

   - Add support for RCH (Restricted CXL Host) Error recovery

   - Fix several region assembly bugs

   - Fix mem-device lifetime issues relative to the sanitize command and
     RCH topology.

   - Refactor ACPI table parsing for CDAT parsing re-use in preparation
     for CXL QOS support"

* tag 'cxl-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (50 commits)
  lib/fw_table: Remove acpi_parse_entries_array() export
  cxl/pci: Change CXL AER support check to use native AER
  cxl/hdm: Remove broken error path
  cxl/hdm: Fix && vs || bug
  acpi: Move common tables helper functions to common lib
  cxl: Add support for reading CXL switch CDAT table
  cxl: Add checksum verification to CDAT from CXL
  cxl: Export QTG ids from CFMWS to sysfs as qos_class attribute
  cxl: Add decoders_committed sysfs attribute to cxl_port
  cxl: Add cxl_decoders_committed() helper
  cxl/core/regs: Rework cxl_map_pmu_regs() to use map->dev for devm
  cxl/core/regs: Rename phys_addr in cxl_map_component_regs()
  PCI/AER: Unmask RCEC internal errors to enable RCH downstream port error handling
  PCI/AER: Forward RCH downstream port-detected errors to the CXL.mem dev handler
  cxl/pci: Disable root port interrupts in RCH mode
  cxl/pci: Add RCH downstream port error logging
  cxl/pci: Map RCH downstream AER registers for logging protocol errors
  cxl/pci: Update CXL error logging to use RAS register address
  PCI/AER: Refactor cper_print_aer() for use by CXL driver module
  cxl/pci: Add RCH downstream port AER register discovery
  ...
2023-11-04 16:20:36 -10:00
Linus Torvalds
5e2cb28dd7 configfs-tsm for v6.7
- Introduce configfs-tsm as a shared ABI for confidential computing
   attestation reports
 
 - Convert sev-guest to additionally support configfs-tsm alongside its
   vendor specific ioctl()
 
 - Added signed attestation report retrieval to the tdx-guest driver
   forgoing a new vendor specific ioctl()
 
 - Misc. cleanups and a new __free() annotation for kvfree()
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Merge tag 'tsm-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/linux

Pull unified attestation reporting from Dan Williams:
 "In an ideal world there would be a cross-vendor standard attestation
  report format for confidential guests along with a common device
  definition to act as the transport.

  In the real world the situation ended up with multiple platform
  vendors inventing their own attestation report formats with the
  SEV-SNP implementation being a first mover to define a custom
  sev-guest character device and corresponding ioctl(). Later, this
  configfs-tsm proposal intercepted an attempt to add a tdx-guest
  character device and a corresponding new ioctl(). It also anticipated
  ARM and RISC-V showing up with more chardevs and more ioctls().

  The proposal takes for granted that Linux tolerates the vendor report
  format differentiation until a standard arrives. From talking with
  folks involved, it sounds like that standardization work is unlikely
  to resolve anytime soon. It also takes the position that kernfs ABIs
  are easier to maintain than ioctl(). The result is a shared configfs
  mechanism to return per-vendor report-blobs with the option to later
  support a standard when that arrives.

  Part of the goal here also is to get the community into the
  "uncomfortable, but beneficial to the long term maintainability of the
  kernel" state of talking to each other about their differentiation and
  opportunities to collaborate. Think of this like the device-driver
  equivalent of the common memory-management infrastructure for
  confidential-computing being built up in KVM.

  As for establishing an "upstream path for cross-vendor
  confidential-computing device driver infrastructure" this is something
  I want to discuss at Plumbers. At present, the multiple vendor
  proposals for assigning devices to confidential computing VMs likely
  needs a new dedicated repository and maintainer team, but that is a
  discussion for v6.8.

  For now, Greg and Thomas have acked this approach and this is passing
  is AMD, Intel, and Google tests.

  Summary:

   - Introduce configfs-tsm as a shared ABI for confidential computing
     attestation reports

   - Convert sev-guest to additionally support configfs-tsm alongside
     its vendor specific ioctl()

   - Added signed attestation report retrieval to the tdx-guest driver
     forgoing a new vendor specific ioctl()

   - Misc cleanups and a new __free() annotation for kvfree()"

* tag 'tsm-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/linux:
  virt: tdx-guest: Add Quote generation support using TSM_REPORTS
  virt: sevguest: Add TSM_REPORTS support for SNP_GET_EXT_REPORT
  mm/slab: Add __free() support for kvfree
  virt: sevguest: Prep for kernel internal get_ext_report()
  configfs-tsm: Introduce a shared ABI for attestation reports
  virt: coco: Add a coco/Makefile and coco/Kconfig
  virt: sevguest: Fix passing a stack buffer as a scatterlist target
2023-11-04 15:58:13 -10:00
Linus Torvalds
d934aef6bb dmaengine updates for v6.7
Updates:
  - Big pile of __counted_by attribute annotations to several structures
    for bounds checking of flexible arrays at run-time
  - Another big pile platform remove callback returning void changes
  - Device tree device_get_match_data() usage and dropping of_match_device()
    calls
  - Minor driver updates to pxa, idxd fsl, hisi etc drivers
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Merge tag 'dmaengine-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:

 - Big pile of __counted_by attribute annotations to several structures
   for bounds checking of flexible arrays at run-time

 - Another big pile platform remove callback returning void changes

 - Device tree device_get_match_data() usage and dropping
   of_match_device() calls

 - Minor driver updates to pxa, idxd fsl, hisi etc drivers

* tag 'dmaengine-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (106 commits)
  dmaengine: stm32-mdma: correct desc prep when channel running
  dmaengine: dw-axi-dmac: Add support DMAX_NUM_CHANNELS > 16
  dmaengine: xilinx: xilinx_dma: Fix kernel doc about xilinx_dma_remove()
  dmaengine: mmp_tdma: drop unused variable 'of_id'
  MAINTAINERS: Add entries for NXP(Freescale) eDMA drivers
  dmaengine: xilinx: xdma: Support cyclic transfers
  dmaengine: xilinx: xdma: Prepare the introduction of cyclic transfers
  dmaengine: Drop unnecessary of_match_device() calls
  dmaengine: Use device_get_match_data()
  dmaengine: pxa_dma: Annotate struct pxad_desc_sw with __counted_by
  dmaengine: pxa_dma: Remove an erroneous BUG_ON() in pxad_free_desc()
  dmaengine: xilinx: xdma: Use resource_size() in xdma_probe()
  dmaengine: fsl-dpaa2-qdma: Remove redundant initialization owner in dpaa2_qdma_driver
  dmaengine: Remove unused declaration dma_chan_cleanup()
  dmaengine: mmp: fix Wvoid-pointer-to-enum-cast warning
  dmaengine: qcom: fix Wvoid-pointer-to-enum-cast warning
  dmaengine: fsl-edma: Remove redundant dev_err() for platform_get_irq()
  dmaengine: ep93xx_dma: Annotate struct ep93xx_dma_engine with __counted_by
  dmaengine: idxd: add wq driver name support for accel-config user tool
  dmaengine: fsl-edma: Annotate struct struct fsl_edma_engine with __counted_by
  ...
2023-11-03 18:56:51 -10:00
Linus Torvalds
2c40c1c6ad USB/Thunderbolt changes for 6.7-rc1
Here is the "big" set of USB and Thunderbolt changes for 6.7-rc1.
 Nothing really major in here, just lots of constant development for new
 hardware.  Included in here are:
   - Thunderbolt (i.e. USB4) fixes for reported issues and support for
     new hardware types and devices
   - USB typec additions of new drivers and cleanups for some existing
     ones
   - xhci cleanups and expanded tracing support and some platform
     specific updates
   - USB "La Jolla Cove Adapter (LJCA)" support added, and the gpio, spi,
     and i2c drivers for that type of device (all acked by the respective
     subsystem maintainers.)
   - lots of USB gadget driver updates and cleanups
   - new USB dwc3 platforms supported, as well as other dwc3 fixes and
     cleanups
   - USB chipidea driver updates
   - other smaller driver cleanups and additions, full details in the
     shortlog
 
 All of these have been in the linux-next tree for a while with no
 reported problems, EXCEPT for some merge conflicts that you will run
 into in your tree.  2 of them are in device-tree files, which will be
 trivial to resolve (accept both sides), and the last in the
 drivers/gpio/gpio-ljca.c file, in the remove callback, resolution should
 be pretty trivial (take the version in this branch), see here:
 	https://lore.kernel.org/all/20231016134159.11d8f849@canb.auug.org.au/
 for details, or I can provide a resolved merge point if needed.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/Thunderbolt updates from Greg KH:
 "Here is the "big" set of USB and Thunderbolt changes for 6.7-rc1.
  Nothing really major in here, just lots of constant development for
  new hardware. Included in here are:

   - Thunderbolt (i.e. USB4) fixes for reported issues and support for
     new hardware types and devices

   - USB typec additions of new drivers and cleanups for some existing
     ones

   - xhci cleanups and expanded tracing support and some platform
     specific updates

   - USB "La Jolla Cove Adapter (LJCA)" support added, and the gpio,
     spi, and i2c drivers for that type of device (all acked by the
     respective subsystem maintainers.)

   - lots of USB gadget driver updates and cleanups

   - new USB dwc3 platforms supported, as well as other dwc3 fixes and
     cleanups

   - USB chipidea driver updates

   - other smaller driver cleanups and additions, full details in the
     shortlog

  All of these have been in the linux-next tree for a while with no
  reported problems"

* tag 'usb-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (167 commits)
  usb: gadget: uvc: Add missing initialization of ssp config descriptor
  usb: storage: set 1.50 as the lower bcdDevice for older "Super Top" compatibility
  usb: raw-gadget: report suspend, resume, reset, and disconnect events
  usb: raw-gadget: don't disable device if usb_ep_queue fails
  usb: raw-gadget: properly handle interrupted requests
  usb:cdnsp: remove TRB_FLUSH_ENDPOINT command
  usb: gadget: aspeed_udc: Convert to platform remove callback returning void
  dt-bindings: usb: fsa4480: Add compatible for OCP96011
  usb: typec: fsa4480: Add support to swap SBU orientation
  dt-bindings: usb: fsa4480: Add data-lanes property to endpoint
  usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()
  Revert "dt-bindings: usb: Add bindings for multiport properties on DWC3 controller"
  Revert "dt-bindings: usb: qcom,dwc3: Add bindings for SC8280 Multiport"
  thunderbolt: Fix one kernel-doc comment
  usb: gadget: f_ncm: Always set current gadget in ncm_bind()
  usb: core: Remove duplicated check in usb_hub_create_port_device
  usb: typec: tcpm: Add additional checks for contaminant
  arm64: dts: rockchip: rk3588s: Add USB3 host controller
  usb: dwc3: add optional PHY interface clocks
  dt-bindings: usb: add rk3588 compatible to rockchip,dwc3
  ...
2023-11-03 16:00:42 -10:00
Linus Torvalds
1f24458a10 TTY/Serial changes for 6.7-rc1
Here is the big set of tty/serial driver changes for 6.7-rc1.  Included
 in here are:
   - console/vgacon cleanups and removals from Arnd
   - tty core and n_tty cleanups from Jiri
   - lots of 8250 driver updates and cleanups
   - sc16is7xx serial driver updates
   - dt binding updates
   - first set of port lock wrapers from Thomas for the printk fixes
     coming in future releases
   - other small serial and tty core cleanups and updates
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty and serial updates from Greg KH:
 "Here is the big set of tty/serial driver changes for 6.7-rc1. Included
  in here are:

   - console/vgacon cleanups and removals from Arnd

   - tty core and n_tty cleanups from Jiri

   - lots of 8250 driver updates and cleanups

   - sc16is7xx serial driver updates

   - dt binding updates

   - first set of port lock wrapers from Thomas for the printk fixes
     coming in future releases

   - other small serial and tty core cleanups and updates

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'tty-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (193 commits)
  serdev: Replace custom code with device_match_acpi_handle()
  serdev: Simplify devm_serdev_device_open() function
  serdev: Make use of device_set_node()
  tty: n_gsm: add copyright Siemens Mobility GmbH
  tty: n_gsm: fix race condition in status line change on dead connections
  serial: core: Fix runtime PM handling for pending tx
  vgacon: fix mips/sibyte build regression
  dt-bindings: serial: drop unsupported samsung bindings
  tty: serial: samsung: drop earlycon support for unsupported platforms
  tty: 8250: Add note for PX-835
  tty: 8250: Fix IS-200 PCI ID comment
  tty: 8250: Add Brainboxes Oxford Semiconductor-based quirks
  tty: 8250: Add support for Intashield IX cards
  tty: 8250: Add support for additional Brainboxes PX cards
  tty: 8250: Fix up PX-803/PX-857
  tty: 8250: Fix port count of PX-257
  tty: 8250: Add support for Intashield IS-100
  tty: 8250: Add support for Brainboxes UP cards
  tty: 8250: Add support for additional Brainboxes UC cards
  tty: 8250: Remove UC-257 and UC-431
  ...
2023-11-03 15:44:25 -10:00
Linus Torvalds
d99b91a99b Char/Misc and other driver changes for 6.7-rc1
Here is the big set of char/misc and other small driver subsystem
 changes for 6.7-rc1.  Included in here are:
   - IIO subsystem driver updates and additions (largest part of this
     pull request)
   - FPGA subsystem driver updates
   - Counter subsystem driver updates
   - ICC subsystem driver updates
   - extcon subsystem driver updates
   - mei driver updates and additions
   - nvmem subsystem driver updates and additions
   - comedi subsystem dependency fixes
   - parport driver fixups
   - cdx subsystem driver and core updates
   - splice support for /dev/zero and /dev/full
   - other smaller driver cleanups
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  changes for 6.7-rc1. Included in here are:

   - IIO subsystem driver updates and additions (largest part of this
     pull request)

   - FPGA subsystem driver updates

   - Counter subsystem driver updates

   - ICC subsystem driver updates

   - extcon subsystem driver updates

   - mei driver updates and additions

   - nvmem subsystem driver updates and additions

   - comedi subsystem dependency fixes

   - parport driver fixups

   - cdx subsystem driver and core updates

   - splice support for /dev/zero and /dev/full

   - other smaller driver cleanups

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (326 commits)
  cdx: add sysfs for subsystem, class and revision
  cdx: add sysfs for bus reset
  cdx: add support for bus enable and disable
  cdx: Register cdx bus as a device on cdx subsystem
  cdx: Create symbol namespaces for cdx subsystem
  cdx: Introduce lock to protect controller ops
  cdx: Remove cdx controller list from cdx bus system
  dts: ti: k3-am625-beagleplay: Add beaglecc1352
  greybus: Add BeaglePlay Linux Driver
  dt-bindings: net: Add ti,cc1352p7
  dt-bindings: eeprom: at24: allow NVMEM cells based on old syntax
  dt-bindings: nvmem: SID: allow NVMEM cells based on old syntax
  Revert "nvmem: add new config option"
  MAINTAINERS: coresight: Add missing Coresight files
  misc: pci_endpoint_test: Add deviceID for J721S2 PCIe EP device support
  firmware: xilinx: Move EXPORT_SYMBOL_GPL next to zynqmp_pm_feature definition
  uacce: make uacce_class constant
  ocxl: make ocxl_class constant
  cxl: make cxl_class constant
  misc: phantom: make phantom_class constant
  ...
2023-11-03 14:51:08 -10:00
Sumit Garg
7269cba53d tee: optee: Fix supplicant based device enumeration
Currently supplicant dependent optee device enumeration only registers
devices whenever tee-supplicant is invoked for the first time. But it
forgets to remove devices when tee-supplicant daemon stops running and
closes its context gracefully. This leads to following error for fTPM
driver during reboot/shutdown:

[   73.466791] tpm tpm0: ftpm_tee_tpm_op_send: SUBMIT_COMMAND invoke error: 0xffff3024

Fix this by adding an attribute for supplicant dependent devices so that
the user-space service can detect and detach supplicant devices before
closing the supplicant:

$ for dev in /sys/bus/tee/devices/*; do if [[ -f "$dev/need_supplicant" && -f "$dev/driver/unbind" ]]; \
      then echo $(basename "$dev") > $dev/driver/unbind; fi done

Reported-by: Jan Kiszka <jan.kiszka@siemens.com>
Closes: https://github.com/OP-TEE/optee_os/issues/6094
Fixes: 5f178bb71e ("optee: enable support for multi-stage bus enumeration")
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
[jw: fixed up Date documentation]
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
2023-11-03 09:27:20 +01:00
Linus Torvalds
ecae0bd517 Many singleton patches against the MM code. The patch series which are
included in this merge do the following:
 
 - Kemeng Shi has contributed some compation maintenance work in the
   series "Fixes and cleanups to compaction".
 
 - Joel Fernandes has a patchset ("Optimize mremap during mutual
   alignment within PMD") which fixes an obscure issue with mremap()'s
   pagetable handling during a subsequent exec(), based upon an
   implementation which Linus suggested.
 
 - More DAMON/DAMOS maintenance and feature work from SeongJae Park i the
   following patch series:
 
 	mm/damon: misc fixups for documents, comments and its tracepoint
 	mm/damon: add a tracepoint for damos apply target regions
 	mm/damon: provide pseudo-moving sum based access rate
 	mm/damon: implement DAMOS apply intervals
 	mm/damon/core-test: Fix memory leaks in core-test
 	mm/damon/sysfs-schemes: Do DAMOS tried regions update for only one apply interval
 
 - In the series "Do not try to access unaccepted memory" Adrian Hunter
   provides some fixups for the recently-added "unaccepted memory' feature.
   To increase the feature's checking coverage.  "Plug a few gaps where
   RAM is exposed without checking if it is unaccepted memory".
 
 - In the series "cleanups for lockless slab shrink" Qi Zheng has done
   some maintenance work which is preparation for the lockless slab
   shrinking code.
 
 - Qi Zheng has redone the earlier (and reverted) attempt to make slab
   shrinking lockless in the series "use refcount+RCU method to implement
   lockless slab shrink".
 
 - David Hildenbrand contributes some maintenance work for the rmap code
   in the series "Anon rmap cleanups".
 
 - Kefeng Wang does more folio conversions and some maintenance work in
   the migration code.  Series "mm: migrate: more folio conversion and
   unification".
 
 - Matthew Wilcox has fixed an issue in the buffer_head code which was
   causing long stalls under some heavy memory/IO loads.  Some cleanups
   were added on the way.  Series "Add and use bdev_getblk()".
 
 - In the series "Use nth_page() in place of direct struct page
   manipulation" Zi Yan has fixed a potential issue with the direct
   manipulation of hugetlb page frames.
 
 - In the series "mm: hugetlb: Skip initialization of gigantic tail
   struct pages if freed by HVO" has improved our handling of gigantic
   pages in the hugetlb vmmemmep optimizaton code.  This provides
   significant boot time improvements when significant amounts of gigantic
   pages are in use.
 
 - Matthew Wilcox has sent the series "Small hugetlb cleanups" - code
   rationalization and folio conversions in the hugetlb code.
 
 - Yin Fengwei has improved mlock()'s handling of large folios in the
   series "support large folio for mlock"
 
 - In the series "Expose swapcache stat for memcg v1" Liu Shixin has
   added statistics for memcg v1 users which are available (and useful)
   under memcg v2.
 
 - Florent Revest has enhanced the MDWE (Memory-Deny-Write-Executable)
   prctl so that userspace may direct the kernel to not automatically
   propagate the denial to child processes.  The series is named "MDWE
   without inheritance".
 
 - Kefeng Wang has provided the series "mm: convert numa balancing
   functions to use a folio" which does what it says.
 
 - In the series "mm/ksm: add fork-exec support for prctl" Stefan Roesch
   makes is possible for a process to propagate KSM treatment across
   exec().
 
 - Huang Ying has enhanced memory tiering's calculation of memory
   distances.  This is used to permit the dax/kmem driver to use "high
   bandwidth memory" in addition to Optane Data Center Persistent Memory
   Modules (DCPMM).  The series is named "memory tiering: calculate
   abstract distance based on ACPI HMAT"
 
 - In the series "Smart scanning mode for KSM" Stefan Roesch has
   optimized KSM by teaching it to retain and use some historical
   information from previous scans.
 
 - Yosry Ahmed has fixed some inconsistencies in memcg statistics in the
   series "mm: memcg: fix tracking of pending stats updates values".
 
 - In the series "Implement IOCTL to get and optionally clear info about
   PTEs" Peter Xu has added an ioctl to /proc/<pid>/pagemap which permits
   us to atomically read-then-clear page softdirty state.  This is mainly
   used by CRIU.
 
 - Hugh Dickins contributed the series "shmem,tmpfs: general maintenance"
   - a bunch of relatively minor maintenance tweaks to this code.
 
 - Matthew Wilcox has increased the use of the VMA lock over file-backed
   page faults in the series "Handle more faults under the VMA lock".  Some
   rationalizations of the fault path became possible as a result.
 
 - In the series "mm/rmap: convert page_move_anon_rmap() to
   folio_move_anon_rmap()" David Hildenbrand has implemented some cleanups
   and folio conversions.
 
 - In the series "various improvements to the GUP interface" Lorenzo
   Stoakes has simplified and improved the GUP interface with an eye to
   providing groundwork for future improvements.
 
 - Andrey Konovalov has sent along the series "kasan: assorted fixes and
   improvements" which does those things.
 
 - Some page allocator maintenance work from Kemeng Shi in the series
   "Two minor cleanups to break_down_buddy_pages".
 
 - In thes series "New selftest for mm" Breno Leitao has developed
   another MM self test which tickles a race we had between madvise() and
   page faults.
 
 - In the series "Add folio_end_read" Matthew Wilcox provides cleanups
   and an optimization to the core pagecache code.
 
 - Nhat Pham has added memcg accounting for hugetlb memory in the series
   "hugetlb memcg accounting".
 
 - Cleanups and rationalizations to the pagemap code from Lorenzo
   Stoakes, in the series "Abstract vma_merge() and split_vma()".
 
 - Audra Mitchell has fixed issues in the procfs page_owner code's new
   timestamping feature which was causing some misbehaviours.  In the
   series "Fix page_owner's use of free timestamps".
 
 - Lorenzo Stoakes has fixed the handling of new mappings of sealed files
   in the series "permit write-sealed memfd read-only shared mappings".
 
 - Mike Kravetz has optimized the hugetlb vmemmap optimization in the
   series "Batch hugetlb vmemmap modification operations".
 
 - Some buffer_head folio conversions and cleanups from Matthew Wilcox in
   the series "Finish the create_empty_buffers() transition".
 
 - As a page allocator performance optimization Huang Ying has added
   automatic tuning to the allocator's per-cpu-pages feature, in the series
   "mm: PCP high auto-tuning".
 
 - Roman Gushchin has contributed the patchset "mm: improve performance
   of accounted kernel memory allocations" which improves their performance
   by ~30% as measured by a micro-benchmark.
 
 - folio conversions from Kefeng Wang in the series "mm: convert page
   cpupid functions to folios".
 
 - Some kmemleak fixups in Liu Shixin's series "Some bugfix about
   kmemleak".
 
 - Qi Zheng has improved our handling of memoryless nodes by keeping them
   off the allocation fallback list.  This is done in the series "handle
   memoryless nodes more appropriately".
 
 - khugepaged conversions from Vishal Moola in the series "Some
   khugepaged folio conversions".
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Merge tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:
 "Many singleton patches against the MM code. The patch series which are
  included in this merge do the following:

   - Kemeng Shi has contributed some compation maintenance work in the
     series 'Fixes and cleanups to compaction'

   - Joel Fernandes has a patchset ('Optimize mremap during mutual
     alignment within PMD') which fixes an obscure issue with mremap()'s
     pagetable handling during a subsequent exec(), based upon an
     implementation which Linus suggested

   - More DAMON/DAMOS maintenance and feature work from SeongJae Park i
     the following patch series:

	mm/damon: misc fixups for documents, comments and its tracepoint
	mm/damon: add a tracepoint for damos apply target regions
	mm/damon: provide pseudo-moving sum based access rate
	mm/damon: implement DAMOS apply intervals
	mm/damon/core-test: Fix memory leaks in core-test
	mm/damon/sysfs-schemes: Do DAMOS tried regions update for only one apply interval

   - In the series 'Do not try to access unaccepted memory' Adrian
     Hunter provides some fixups for the recently-added 'unaccepted
     memory' feature. To increase the feature's checking coverage. 'Plug
     a few gaps where RAM is exposed without checking if it is
     unaccepted memory'

   - In the series 'cleanups for lockless slab shrink' Qi Zheng has done
     some maintenance work which is preparation for the lockless slab
     shrinking code

   - Qi Zheng has redone the earlier (and reverted) attempt to make slab
     shrinking lockless in the series 'use refcount+RCU method to
     implement lockless slab shrink'

   - David Hildenbrand contributes some maintenance work for the rmap
     code in the series 'Anon rmap cleanups'

   - Kefeng Wang does more folio conversions and some maintenance work
     in the migration code. Series 'mm: migrate: more folio conversion
     and unification'

   - Matthew Wilcox has fixed an issue in the buffer_head code which was
     causing long stalls under some heavy memory/IO loads. Some cleanups
     were added on the way. Series 'Add and use bdev_getblk()'

   - In the series 'Use nth_page() in place of direct struct page
     manipulation' Zi Yan has fixed a potential issue with the direct
     manipulation of hugetlb page frames

   - In the series 'mm: hugetlb: Skip initialization of gigantic tail
     struct pages if freed by HVO' has improved our handling of gigantic
     pages in the hugetlb vmmemmep optimizaton code. This provides
     significant boot time improvements when significant amounts of
     gigantic pages are in use

   - Matthew Wilcox has sent the series 'Small hugetlb cleanups' - code
     rationalization and folio conversions in the hugetlb code

   - Yin Fengwei has improved mlock()'s handling of large folios in the
     series 'support large folio for mlock'

   - In the series 'Expose swapcache stat for memcg v1' Liu Shixin has
     added statistics for memcg v1 users which are available (and
     useful) under memcg v2

   - Florent Revest has enhanced the MDWE (Memory-Deny-Write-Executable)
     prctl so that userspace may direct the kernel to not automatically
     propagate the denial to child processes. The series is named 'MDWE
     without inheritance'

   - Kefeng Wang has provided the series 'mm: convert numa balancing
     functions to use a folio' which does what it says

   - In the series 'mm/ksm: add fork-exec support for prctl' Stefan
     Roesch makes is possible for a process to propagate KSM treatment
     across exec()

   - Huang Ying has enhanced memory tiering's calculation of memory
     distances. This is used to permit the dax/kmem driver to use 'high
     bandwidth memory' in addition to Optane Data Center Persistent
     Memory Modules (DCPMM). The series is named 'memory tiering:
     calculate abstract distance based on ACPI HMAT'

   - In the series 'Smart scanning mode for KSM' Stefan Roesch has
     optimized KSM by teaching it to retain and use some historical
     information from previous scans

   - Yosry Ahmed has fixed some inconsistencies in memcg statistics in
     the series 'mm: memcg: fix tracking of pending stats updates
     values'

   - In the series 'Implement IOCTL to get and optionally clear info
     about PTEs' Peter Xu has added an ioctl to /proc/<pid>/pagemap
     which permits us to atomically read-then-clear page softdirty
     state. This is mainly used by CRIU

   - Hugh Dickins contributed the series 'shmem,tmpfs: general
     maintenance', a bunch of relatively minor maintenance tweaks to
     this code

   - Matthew Wilcox has increased the use of the VMA lock over
     file-backed page faults in the series 'Handle more faults under the
     VMA lock'. Some rationalizations of the fault path became possible
     as a result

   - In the series 'mm/rmap: convert page_move_anon_rmap() to
     folio_move_anon_rmap()' David Hildenbrand has implemented some
     cleanups and folio conversions

   - In the series 'various improvements to the GUP interface' Lorenzo
     Stoakes has simplified and improved the GUP interface with an eye
     to providing groundwork for future improvements

   - Andrey Konovalov has sent along the series 'kasan: assorted fixes
     and improvements' which does those things

   - Some page allocator maintenance work from Kemeng Shi in the series
     'Two minor cleanups to break_down_buddy_pages'

   - In thes series 'New selftest for mm' Breno Leitao has developed
     another MM self test which tickles a race we had between madvise()
     and page faults

   - In the series 'Add folio_end_read' Matthew Wilcox provides cleanups
     and an optimization to the core pagecache code

   - Nhat Pham has added memcg accounting for hugetlb memory in the
     series 'hugetlb memcg accounting'

   - Cleanups and rationalizations to the pagemap code from Lorenzo
     Stoakes, in the series 'Abstract vma_merge() and split_vma()'

   - Audra Mitchell has fixed issues in the procfs page_owner code's new
     timestamping feature which was causing some misbehaviours. In the
     series 'Fix page_owner's use of free timestamps'

   - Lorenzo Stoakes has fixed the handling of new mappings of sealed
     files in the series 'permit write-sealed memfd read-only shared
     mappings'

   - Mike Kravetz has optimized the hugetlb vmemmap optimization in the
     series 'Batch hugetlb vmemmap modification operations'

   - Some buffer_head folio conversions and cleanups from Matthew Wilcox
     in the series 'Finish the create_empty_buffers() transition'

   - As a page allocator performance optimization Huang Ying has added
     automatic tuning to the allocator's per-cpu-pages feature, in the
     series 'mm: PCP high auto-tuning'

   - Roman Gushchin has contributed the patchset 'mm: improve
     performance of accounted kernel memory allocations' which improves
     their performance by ~30% as measured by a micro-benchmark

   - folio conversions from Kefeng Wang in the series 'mm: convert page
     cpupid functions to folios'

   - Some kmemleak fixups in Liu Shixin's series 'Some bugfix about
     kmemleak'

   - Qi Zheng has improved our handling of memoryless nodes by keeping
     them off the allocation fallback list. This is done in the series
     'handle memoryless nodes more appropriately'

   - khugepaged conversions from Vishal Moola in the series 'Some
     khugepaged folio conversions'"

[ bcachefs conflicts with the dynamically allocated shrinkers have been
  resolved as per Stephen Rothwell in

     https://lore.kernel.org/all/20230913093553.4290421e@canb.auug.org.au/

  with help from Qi Zheng.

  The clone3 test filtering conflict was half-arsed by yours truly ]

* tag 'mm-stable-2023-11-01-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (406 commits)
  mm/damon/sysfs: update monitoring target regions for online input commit
  mm/damon/sysfs: remove requested targets when online-commit inputs
  selftests: add a sanity check for zswap
  Documentation: maple_tree: fix word spelling error
  mm/vmalloc: fix the unchecked dereference warning in vread_iter()
  zswap: export compression failure stats
  Documentation: ubsan: drop "the" from article title
  mempolicy: migration attempt to match interleave nodes
  mempolicy: mmap_lock is not needed while migrating folios
  mempolicy: alloc_pages_mpol() for NUMA policy without vma
  mm: add page_rmappable_folio() wrapper
  mempolicy: remove confusing MPOL_MF_LAZY dead code
  mempolicy: mpol_shared_policy_init() without pseudo-vma
  mempolicy trivia: use pgoff_t in shared mempolicy tree
  mempolicy trivia: slightly more consistent naming
  mempolicy trivia: delete those ancient pr_debug()s
  mempolicy: fix migrate_pages(2) syscall return nr_failed
  kernfs: drop shared NUMA mempolicy hooks
  hugetlbfs: drop shared NUMA mempolicy pretence
  mm/damon/sysfs-test: add a unit test for damon_sysfs_set_targets()
  ...
2023-11-02 19:38:47 -10:00
Linus Torvalds
bc3012f4e3 This update includes the following changes:
API:
 
 - Add virtual-address based lskcipher interface.
 - Optimise ahash/shash performance in light of costly indirect calls.
 - Remove ahash alignmask attribute.
 
 Algorithms:
 
 - Improve AES/XTS performance of 6-way unrolling for ppc.
 - Remove some uses of obsolete algorithms (md4, md5, sha1).
 - Add FIPS 202 SHA-3 support in pkcs1pad.
 - Add fast path for single-page messages in adiantum.
 - Remove zlib-deflate.
 
 Drivers:
 
 - Add support for S4 in meson RNG driver.
 - Add STM32MP13x support in stm32.
 - Add hwrng interface support in qcom-rng.
 - Add support for deflate algorithm in hisilicon/zip.
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Merge tag 'v6.7-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Add virtual-address based lskcipher interface
   - Optimise ahash/shash performance in light of costly indirect calls
   - Remove ahash alignmask attribute

  Algorithms:
   - Improve AES/XTS performance of 6-way unrolling for ppc
   - Remove some uses of obsolete algorithms (md4, md5, sha1)
   - Add FIPS 202 SHA-3 support in pkcs1pad
   - Add fast path for single-page messages in adiantum
   - Remove zlib-deflate

  Drivers:
   - Add support for S4 in meson RNG driver
   - Add STM32MP13x support in stm32
   - Add hwrng interface support in qcom-rng
   - Add support for deflate algorithm in hisilicon/zip"

* tag 'v6.7-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (283 commits)
  crypto: adiantum - flush destination page before unmapping
  crypto: testmgr - move pkcs1pad(rsa,sha3-*) to correct place
  Documentation/module-signing.txt: bring up to date
  module: enable automatic module signing with FIPS 202 SHA-3
  crypto: asymmetric_keys - allow FIPS 202 SHA-3 signatures
  crypto: rsa-pkcs1pad - Add FIPS 202 SHA-3 support
  crypto: FIPS 202 SHA-3 register in hash info for IMA
  x509: Add OIDs for FIPS 202 SHA-3 hash and signatures
  crypto: ahash - optimize performance when wrapping shash
  crypto: ahash - check for shash type instead of not ahash type
  crypto: hash - move "ahash wrapping shash" functions to ahash.c
  crypto: talitos - stop using crypto_ahash::init
  crypto: chelsio - stop using crypto_ahash::init
  crypto: ahash - improve file comment
  crypto: ahash - remove struct ahash_request_priv
  crypto: ahash - remove crypto_ahash_alignmask
  crypto: gcm - stop using alignmask of ahash
  crypto: chacha20poly1305 - stop using alignmask of ahash
  crypto: ccm - stop using alignmask of ahash
  net: ipv6: stop checking crypto_ahash_alignmask
  ...
2023-11-02 16:15:30 -10:00
Linus Torvalds
431f105188 - Core Frameworks
- Add support for a bunch more colours
 
  - New Drivers
    - Add support for Kinetic KTD2026/7 RGB/White LEDs
 
  - New Functionality
    - Add support for device to enter HW Controlled Mode to Turris Omnia LEDs
    - Add support for HW Gamma Correction to Turris Omnia LEDs
 
  - Fix-ups
    - Apply new __counted_by() annotation to several data structures containing flexible arrays
    - Rid the return value from Platform's .remove() operation
    - Use *_cansleep() variants for instances were threads can sleep
    - Improve the semantics when setting the brightness
    - Generic clean-ups; code reduction, coding style, standard patterns
    - Replace strncpy() with strscpy()
    - Fix-up / add various documentation
    - Re-author the GPIO associated Trigger to use trigger-sources
    - Move to using standard APIs and helpers
    - Improve error checking
    - Stop using static GPIO bases
 
  - Bug Fixes
    - Fix Pointer to Enum casing warnings
    - Do not pretend that I2C backed device supports SMBUS
    - Ensure PWM LEDs are extinguished when disabled, rather than held in a state
    - Fix 'output may be truncated' warnings
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Merge tag 'leds-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "Core Frameworks:
   - Add support for a bunch more colours

  New Drivers:
   - Add support for Kinetic KTD2026/7 RGB/White LEDs

  New Functionality:
   - Add support for device to enter HW Controlled Mode to Turris Omnia
     LEDs
   - Add support for HW Gamma Correction to Turris Omnia LEDs

  Fix-ups:
   - Apply new __counted_by() annotation to several data structures
     containing flexible arrays
   - Rid the return value from Platform's .remove() operation
   - Use *_cansleep() variants for instances were threads can sleep
   - Improve the semantics when setting the brightness
   - Generic clean-ups; code reduction, coding style, standard patterns
   - Replace strncpy() with strscpy()
   - Fix-up / add various documentation
   - Re-author the GPIO associated Trigger to use trigger-sources
   - Move to using standard APIs and helpers
   - Improve error checking
   - Stop using static GPIO bases

  Bug Fixes:
   - Fix Pointer to Enum casing warnings
   - Do not pretend that I2C backed device supports SMBUS
   - Ensure PWM LEDs are extinguished when disabled, rather than held in
     a state
   - Fix 'output may be truncated' warnings"

* tag 'leds-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (43 commits)
  leds: lp5521: Add an error check in lp5521_post_init_device
  leds: gpio: Update headers
  leds: gpio: Remove unneeded assignment
  leds: gpio: Move temporary variable for struct device to gpio_led_probe()
  leds: gpio: Refactor code to use devm_gpiod_get_index_optional()
  leds: gpio: Utilise PTR_ERR_OR_ZERO()
  leds: gpio: Keep driver firmware interface agnostic
  leds: core: Refactor led_update_brightness() to use standard pattern
  leds: turris-omnia: Fix brightness setting and trigger activating
  leds: sc27xx: Move mutex_init() down
  leds: trigger: netdev: Move size check in set_device_name
  leds: Add ktd202x driver
  dt-bindings: leds: Add Kinetic KTD2026/2027 LED
  leds: core: Add more colors from DT bindings to led_colors
  dt-bindings: leds: Last color ID is now 14 (LED_COLOR_ID_LIME)
  leds: tca6507: Don't use fixed GPIO base
  leds: lp3952: Convert to use maple tree register cache
  leds: lm392x: Convert to use maple tree register cache
  leds: aw200xx: Convert to use maple tree register cache
  leds: lm3601x: Convert to use maple tree register cache
  ...
2023-11-02 14:53:19 -10:00
Linus Torvalds
27bc0782ef - Core Frameworks
- Allow all MFD Cell properties to be filled in dynamically at runtime
    - Skip disabled device nodes and continue to look for subsequent devices
 
  - New Device Support
    - Add support for Lunar Lake-M PCI to Intel LPSS PCI
    - Add support for Denverton to Intel ICH LPC
 
  - New Functionality
    - Add support for Clocks to Texas Instruments TWL* Core
    - Add support for Interrupts to STMicroelectronics STM32 Timers
 
  - Fix-ups
    - Convert to new devm-* (managed) power-off API
    - Remove superfluous code
    - Bunch of Device Tree additions, conversions and adaptions
    - Simplify obtaining resources (memory, device data) using unified API helpers
    - Trivial coding-style / spelling type clean-ups
    - Constify / staticify changes
    - Expand or edit on existing documentation
    - Convert some Regmap configurations to use the Maple Tree cache
    - Apply new __counted_by() annotation to several data structures containing flexible arrays
    - Replace strncpy() with strscpy()
 
  - Bug Fixes
    - Remove double put creating reference imbalances
    - Ensure headphone/lineout detection sets set when booting with ACPI
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Merge tag 'mfd-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Allow all MFD Cell properties to be filled in dynamically at
     runtime
   - Skip disabled device nodes and continue to look for subsequent
     devices

  New Device Support:
   - Add support for Lunar Lake-M PCI to Intel LPSS PCI
   - Add support for Denverton to Intel ICH LPC

  New Functionality:
   - Add support for Clocks to Texas Instruments TWL* Core
   - Add support for Interrupts to STMicroelectronics STM32 Timers

  Fix-ups:
   - Convert to new devm-* (managed) power-off API
   - Remove superfluous code
   - Bunch of Device Tree additions, conversions and adaptions
   - Simplify obtaining resources (memory, device data) using unified
     API helpers
   - Trivial coding-style / spelling type clean-ups
   - Constify / staticify changes
   - Expand or edit on existing documentation
   - Convert some Regmap configurations to use the Maple Tree cache
   - Apply new __counted_by() annotation to several data structures
     containing flexible arrays
   - Replace strncpy() with strscpy()

  Bug Fixes:
   - Remove double put creating reference imbalances
   - Ensure headphone/lineout detection gets set when booting with ACPI"

* tag 'mfd-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (73 commits)
  mfd: lpc_ich: Mark *_gpio_offsets data with const
  spmi: rename spmi device lookup helper
  spmi: document spmi_device_from_of() refcounting
  dt-bindings: mfd: armltd: Move Arm board syscon's to separate schema
  mfd: rk8xx: Add support for RK806 power off
  mfd: rk8xx: Add support for standard system-power-controller property
  dt-bindings: mfd: rk806: Allow system-power-controller property
  dt-bindings: mfd: rk8xx: Deprecate rockchip,system-power-controller
  dt-bindings: mfd: max8925: Convert to DT schema format
  mfd: Use i2c_get_match_data() in a selection of drivers
  mfd: Use device_get_match_data() in a bunch of drivers
  mfd: mc13xxx-spi/wm831x-spi: Use spi_get_device_match_data()
  mfd: motorola-cpcap: Drop unnecessary of_match_device() call
  mfd: arizona-spi: Set pdata.hpdet_channel for ACPI enumerated devs
  mfd: qcom-spmi-pmic: Switch to EXPORT_SYMBOL_GPL()
  mfd: qcom-spmi-pmic: Fix revid implementation
  mfd: qcom-spmi-pmic: Fix reference leaks in revid helper
  mfd: intel-m10-bmc: Change contact for ABI docs
  mfd: max8907: Convert to use maple tree register cache
  mfd: max77686: Convert to use maple tree register cache
  ...
2023-11-02 14:40:51 -10:00
Linus Torvalds
babe393974 The number of commits for documentation is not huge this time around, but
there are some significant changes nonetheless:
 
 - Some more Spanish-language and Chinese translations.
 
 - The much-discussed documentation of the confidential-computing threat
   model.
 
 - Powerpc and RISCV documentation move under Documentation/arch - these
   complete this particular bit of documentation churn.
 
 - A large traditional-Chinese documentation update.
 
 - A new document on backporting and conflict resolution.
 
 - Some kernel-doc and Sphinx fixes.
 
 Plus the usual smattering of smaller updates and typo fixes.
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Merge tag 'docs-6.7' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "The number of commits for documentation is not huge this time around,
  but there are some significant changes nonetheless:

   - Some more Spanish-language and Chinese translations

   - The much-discussed documentation of the confidential-computing
     threat model

   - Powerpc and RISCV documentation move under Documentation/arch -
     these complete this particular bit of documentation churn

   - A large traditional-Chinese documentation update

   - A new document on backporting and conflict resolution

   - Some kernel-doc and Sphinx fixes

  Plus the usual smattering of smaller updates and typo fixes"

* tag 'docs-6.7' of git://git.lwn.net/linux: (40 commits)
  scripts/kernel-doc: Fix the regex for matching -Werror flag
  docs: backporting: address feedback
  Documentation: driver-api: pps: Update PPS generator documentation
  speakup: Document USB support
  doc: blk-ioprio: Bring the doc in line with the implementation
  docs: usb: fix reference to nonexistent file in UVC Gadget
  docs: doc-guide: mention 'make refcheckdocs'
  Documentation: fix typo in dynamic-debug howto
  scripts/kernel-doc: match -Werror flag strictly
  Documentation/sphinx: Remove the repeated word "the" in comments.
  docs: sparse: add SPDX-License-Identifier
  docs/zh_CN: Add subsystem-apis Chinese translation
  docs/zh_TW: update contents for zh_TW
  docs: submitting-patches: encourage direct notifications to commenters
  docs: add backporting and conflict resolution document
  docs: move riscv under arch
  docs: update link to powerpc/vmemmap_dedup.rst
  mm/memory-hotplug: fix typo in documentation
  docs: move powerpc under arch
  PCI: Update the devres documentation regarding to pcim_*()
  ...
2023-11-01 17:11:41 -10:00
Linus Torvalds
1e0c505e13 asm-generic updates for v6.7
The ia64 architecture gets its well-earned retirement as planned,
 now that there is one last (mostly) working release that will
 be maintained as an LTS kernel.
 
 The architecture specific system call tables are updated for
 the added map_shadow_stack() syscall and to remove references
 to the long-gone sys_lookup_dcookie() syscall.
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Merge tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull ia64 removal and asm-generic updates from Arnd Bergmann:

 - The ia64 architecture gets its well-earned retirement as planned,
   now that there is one last (mostly) working release that will be
   maintained as an LTS kernel.

 - The architecture specific system call tables are updated for the
   added map_shadow_stack() syscall and to remove references to the
   long-gone sys_lookup_dcookie() syscall.

* tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  hexagon: Remove unusable symbols from the ptrace.h uapi
  asm-generic: Fix spelling of architecture
  arch: Reserve map_shadow_stack() syscall number for all architectures
  syscalls: Cleanup references to sys_lookup_dcookie()
  Documentation: Drop or replace remaining mentions of IA64
  lib/raid6: Drop IA64 support
  Documentation: Drop IA64 from feature descriptions
  kernel: Drop IA64 support from sig_fault handlers
  arch: Remove Itanium (IA-64) architecture
2023-11-01 15:28:33 -10:00
Linus Torvalds
7d461b291e drm for 6.7-rc1
kernel:
 - add initial vmemdup-user-array
 
 core:
 - fix platform remove() to return void
 - drm_file owner updated to reflect owner
 - move size calcs to drm buddy allocator
 - let GPUVM build as a module
 - allow variable number of run-queues in scheduler
 
 edid:
 - handle bad h/v sync_end in EDIDs
 
 panfrost:
 - add Boris as maintainer
 
 fbdev:
 - use fb_ops helpers more
 - only allow logo use from fbcon
 - rename fb_pgproto to pgprot_framebuffer
 - add HPD state to drm_connector_oob_hotplug_event
 - convert to fbdev i/o mem helpers
 
 i915:
 - Enable meteorlake by default
 - Early Xe2 LPD/Lunarlake display enablement
 - Rework subplatforms into IP version checks
 - GuC based TLB invalidation for Meteorlake
 - Display rework for future Xe driver integration
 - LNL FBC features
 - LNL display feature capability reads
 - update recommended fw versions for DG2+
 - drop fastboot module parameter
 - added deviceid for Arrowlake-S
 - drop preproduction workarounds
 - don't disable preemption for resets
 - cleanup inlines in headers
 - PXP firmware loading fix
 - Fix sg list lengths
 - DSC PPS state readout/verification
 - Add more RPL P/U PCI IDs
 - Add new DG2-G12 stepping
 - DP enhanced framing support to state checker
 - Improve shared link bandwidth management
 - stop using GEM macros in display code
 - refactor related code into display code
 - locally enable W=1 warnings
 - remove PSR watchdog timers on LNL
 
 amdgpu:
 - RAS/FRU EEPROM updatse
 - IP discovery updatses
 - GC 11.5 support
 - DCN 3.5 support
 - VPE 6.1 support
 - NBIO 7.11 support
 - DML2 support
 - lots of IP updates
 - use flexible arrays for bo list handling
 - W=1 fixes
 - Enable seamless boot in more cases
 - Enable context type property for HDMI
 - Rework GPUVM TLB flushing
 - VCN IB start/size alignment fixes
 
 amdkfd:
 - GC 10/11 fixes
 - GC 11.5 support
 - use partial migration in GPU faults
 
 radeon:
 - W=1 Fixes
 - fix some possible buffer overflow/NULL derefs
 nouveau:
 - update uapi for NO_PREFETCH
 - scheduler/fence fixes
 - rework suspend/resume for GSP-RM
 - rework display in preparation for GSP-RM
 
 habanalabs:
 - uapi: expose tsc clock
 - uapi: block access to eventfd through control device
 - uapi: force dma-buf export to PAGE_SIZE alignments
 - complete move to accel subsystem
 - move firmware interface include files
 - perform hard reset on PCIe AXI drain event
 - optimise user interrupt handling
 
 msm:
 - DP: use existing helpers for DPCD
 - DPU: interrupts reworked
 - gpu: a7xx (a730/a740) support
 - decouple msm_drv from kms for headless devices
 
 mediatek:
 - MT8188 dsi/dp/edp support
 - DDP GAMMA - 12 bit LUT support
 - connector dynamic selection capability
 
 rockchip:
 - rv1126 mipi-dsi/vop support
 - add planar formats
 
 ast:
 - rename constants
 
 panels:
 - Mitsubishi AA084XE01
 - JDI LPM102A188A
 - LTK050H3148W-CTA6
 
 ivpu:
 - power management fixes
 
 qaic:
 - add detach slice bo api
 
 komeda:
 - add NV12 writeback
 
 tegra:
 - support NVSYNC/NHSYNC
 - host1x suspend fixes
 
 ili9882t:
 - separate into own driver
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Merge tag 'drm-next-2023-10-31-1' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Highlights:
   - AMD adds some more upcoming HW platforms
   - Intel made Meteorlake stable and started adding Lunarlake
   - nouveau has a bunch of display rework in prepartion for the NVIDIA
     GSP firmware support
   - msm adds a7xx support
   - habanalabs has finished migration to accel subsystem

  Detail summary:

  kernel:
   - add initial vmemdup-user-array

  core:
   - fix platform remove() to return void
   - drm_file owner updated to reflect owner
   - move size calcs to drm buddy allocator
   - let GPUVM build as a module
   - allow variable number of run-queues in scheduler

  edid:
   - handle bad h/v sync_end in EDIDs

  panfrost:
   - add Boris as maintainer

  fbdev:
   - use fb_ops helpers more
   - only allow logo use from fbcon
   - rename fb_pgproto to pgprot_framebuffer
   - add HPD state to drm_connector_oob_hotplug_event
   - convert to fbdev i/o mem helpers

  i915:
   - Enable meteorlake by default
   - Early Xe2 LPD/Lunarlake display enablement
   - Rework subplatforms into IP version checks
   - GuC based TLB invalidation for Meteorlake
   - Display rework for future Xe driver integration
   - LNL FBC features
   - LNL display feature capability reads
   - update recommended fw versions for DG2+
   - drop fastboot module parameter
   - added deviceid for Arrowlake-S
   - drop preproduction workarounds
   - don't disable preemption for resets
   - cleanup inlines in headers
   - PXP firmware loading fix
   - Fix sg list lengths
   - DSC PPS state readout/verification
   - Add more RPL P/U PCI IDs
   - Add new DG2-G12 stepping
   - DP enhanced framing support to state checker
   - Improve shared link bandwidth management
   - stop using GEM macros in display code
   - refactor related code into display code
   - locally enable W=1 warnings
   - remove PSR watchdog timers on LNL

  amdgpu:
   - RAS/FRU EEPROM updatse
   - IP discovery updatses
   - GC 11.5 support
   - DCN 3.5 support
   - VPE 6.1 support
   - NBIO 7.11 support
   - DML2 support
   - lots of IP updates
   - use flexible arrays for bo list handling
   - W=1 fixes
   - Enable seamless boot in more cases
   - Enable context type property for HDMI
   - Rework GPUVM TLB flushing
   - VCN IB start/size alignment fixes

  amdkfd:
   - GC 10/11 fixes
   - GC 11.5 support
   - use partial migration in GPU faults

  radeon:
   - W=1 Fixes
   - fix some possible buffer overflow/NULL derefs

  nouveau:
   - update uapi for NO_PREFETCH
   - scheduler/fence fixes
   - rework suspend/resume for GSP-RM
   - rework display in preparation for GSP-RM

  habanalabs:
   - uapi: expose tsc clock
   - uapi: block access to eventfd through control device
   - uapi: force dma-buf export to PAGE_SIZE alignments
   - complete move to accel subsystem
   - move firmware interface include files
   - perform hard reset on PCIe AXI drain event
   - optimise user interrupt handling

  msm:
   - DP: use existing helpers for DPCD
   - DPU: interrupts reworked
   - gpu: a7xx (a730/a740) support
   - decouple msm_drv from kms for headless devices

  mediatek:
   - MT8188 dsi/dp/edp support
   - DDP GAMMA - 12 bit LUT support
   - connector dynamic selection capability

  rockchip:
   - rv1126 mipi-dsi/vop support
   - add planar formats

  ast:
   - rename constants

  panels:
   - Mitsubishi AA084XE01
   - JDI LPM102A188A
   - LTK050H3148W-CTA6

  ivpu:
   - power management fixes

  qaic:
   - add detach slice bo api

  komeda:
   - add NV12 writeback

  tegra:
   - support NVSYNC/NHSYNC
   - host1x suspend fixes

  ili9882t:
   - separate into own driver"

* tag 'drm-next-2023-10-31-1' of git://anongit.freedesktop.org/drm/drm: (1803 commits)
  drm/amdgpu: Remove unused variables from amdgpu_show_fdinfo
  drm/amdgpu: Remove duplicate fdinfo fields
  drm/amd/amdgpu: avoid to disable gfxhub interrupt when driver is unloaded
  drm/amdgpu: Add EXT_COHERENT support for APU and NUMA systems
  drm/amdgpu: Retrieve CE count from ce_count_lo_chip in EccInfo table
  drm/amdgpu: Identify data parity error corrected in replay mode
  drm/amdgpu: Fix typo in IP discovery parsing
  drm/amd/display: fix S/G display enablement
  drm/amdxcp: fix amdxcp unloads incompletely
  drm/amd/amdgpu: fix the GPU power print error in pm info
  drm/amdgpu: Use pcie domain of xcc acpi objects
  drm/amd: check num of link levels when update pcie param
  drm/amdgpu: Add a read to GFX v9.4.3 ring test
  drm/amd/pm: call smu_cmn_get_smc_version in is_mode1_reset_supported.
  drm/amdgpu: get RAS poison status from DF v4_6_2
  drm/amdgpu: Use discovery table's subrevision
  drm/amd/display: 3.2.256
  drm/amd/display: add interface to query SubVP status
  drm/amd/display: Read before writing Backlight Mode Set Register
  drm/amd/display: Disable SYMCLK32_SE RCO on DCN314
  ...
2023-11-01 06:28:35 -10:00
Shawn.Shao
fbe299388c vdpa: Update sysfs ABI documentation
Fix the wrong drivers_autoprobe path name in the document

Signed-off-by: Shawn.Shao <shawn.shao@jaguarmicro.com>
Message-Id: <20230821011535.1117-1-shawn.shao@jaguarmicro.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2023-11-01 09:19:58 -04:00
Marek Behún
43e9082fbc leds: turris-omnia: Add support for enabling/disabling HW gamma correction
If the MCU on Turris Omnia is running newer firmware versions, the LED
controller supports RGB gamma correction (and enables it by default for
newer boards).

Determine whether the gamma correction setting feature is supported and
add the ability to set it via sysfs attribute file.

Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20230918161104.20860-5-kabel@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
2023-11-01 11:28:48 +00:00
Russ Weight
fe74f7a966 mfd: intel-m10-bmc: Change contact for ABI docs
Change ABI documentation contact information from Russ Weight to
Peter Colberg.

Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Acked-by: Peter Colberg <peter.colberg@intel.com>
Link: https://lore.kernel.org/r/20230928164738.278635-1-russell.h.weight@intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
2023-11-01 10:02:16 +00:00
Linus Torvalds
59fff63cc2 platform-drivers-x86 for v6.7-1
Highlights:
  - asus-wmi:		Support for screenpad and solve brightness key
 			press duplication
  - int3472:		Eliminate the last use of deprecated GPIO functions
  - mlxbf-pmc:		New HW support
  - msi-ec:		Support new EC configurations
  - thinkpad_acpi:	Support reading aux MAC address during passthrough
  - wmi: 		Fixes & improvements
  - x86-android-tablets:	Detection fix and avoid use of GPIO private APIs
  - Debug & metrics interface improvements
  - Miscellaneous cleanups / fixes / improvements
 
 The following is an automated shortlog grouped by driver:
 
 acer-wmi:
  -  Remove void function return
 
 amd/hsmp:
  -  add support for metrics tbl
  -  create plat specific struct
  -  Fix iomem handling
  -  improve the error log
 
 amd/pmc:
  -  Add dump_custom_stb module parameter
  -  Add PMFW command id to support S2D force flush
  -  Handle overflow cases where the num_samples range is higher
  -  Use flex array when calling amd_pmc_stb_debugfs_open_v2()
 
 asus-wireless:
  -  Replace open coded acpi_match_acpi_device()
 
 asus-wmi:
  -  add support for ASUS screenpad
  -  Do not report brightness up/down keys when also reported by acpi_video
 
 gpiolib: acpi:
  -  Add a ignore interrupt quirk for Peaq C1010
  -  Check if a GPIO is listed in ignore_interrupt earlier
 
 hp-bioscfg:
  -  Annotate struct bios_args with __counted_by
 
 inspur-platform-profile:
  -  Add platform profile support
 
 int3472:
  -  Add new skl_int3472_fill_gpiod_lookup() helper
  -  Add new skl_int3472_gpiod_get_from_temp_lookup() helper
  -  Stop using gpiod_toggle_active_low()
  -  Switch to devm_get_gpiod()
 
 intel: bytcrc_pwrsrc:
  -  Convert to platform remove callback returning void
 
 intel/ifs:
  -  Add new CPU support
  -  Add new error code
  -  ARRAY BIST for Sierra Forest
  -  Gen2 scan image loading
  -  Gen2 Scan test support
  -  Metadata validation for start_chunk
  -  Refactor image loading code
  -  Store IFS generation number
  -  Validate image size
 
 intel_speed_select_if:
  -  Remove hardcoded map size
  -  Use devm_ioremap_resource
 
 intel/tpmi:
  -  Add debugfs support for read/write blocked
  -  Add defines to get version information
 
 intel-uncore-freq:
  -  Ignore minor version change
 
 ISST:
  -  Allow level 0 to be not present
  -  Ignore minor version change
  -  Use fuse enabled mask instead of allowed levels
 
 mellanox:
  -  Fix misspelling error in routine name
  -  Rename some init()/exit() functions for consistent naming
 
 mlxbf-bootctl:
  -  Convert to platform remove callback returning void
 
 mlxbf-pmc:
  -  Add support for BlueField-3
 
 mlxbf-tmfifo:
  -  Convert to platform remove callback returning void
 
 mlx-Convert to platform remove callback returning void:
  - mlx-Convert to platform remove callback returning void
 
 mlxreg-hotplug:
  -  Convert to platform remove callback returning void
 
 mlxreg-io:
  -  Convert to platform remove callback returning void
 
 mlxreg-lc:
  -  Convert to platform remove callback returning void
 
 msi-ec:
  -  Add more EC configs
  -  rename fn_super_swap
 
 nvsw-sn2201:
  -  Convert to platform remove callback returning void
 
 sel3350-Convert to platform remove callback returning void:
  - sel3350-Convert to platform remove callback returning void
 
 siemens: simatic-ipc-batt-apollolake:
  -  Convert to platform remove callback returning void
 
 siemens: simatic-ipc-batt:
  -  Convert to platform remove callback returning void
 
 siemens: simatic-ipc-batt-elkhartlake:
  -  Convert to platform remove callback returning void
 
 siemens: simatic-ipc-batt-f7188x:
  -  Convert to platform remove callback returning void
 
 siemens: simatic-ipc-batt:
  -  Simplify simatic_ipc_batt_remove()
 
 surface: acpi-notify:
  -  Convert to platform remove callback returning void
 
 surface: aggregator:
  -  Annotate struct ssam_event with __counted_by
 
 surface: aggregator-cdev:
  -  Convert to platform remove callback returning void
 
 surface: aggregator-registry:
  -  Convert to platform remove callback returning void
 
 surface: dtx:
  -  Convert to platform remove callback returning void
 
 surface: gpe:
  -  Convert to platform remove callback returning void
 
 surface: hotplug:
  -  Convert to platform remove callback returning void
 
 surface: surface3-wmi:
  -  Convert to platform remove callback returning void
 
 think-lmi:
  -  Add bulk save feature
  -  Replace kstrdup() + strreplace() with kstrdup_and_replace()
  -  Use strreplace() to replace a character by nul
 
 thinkpad_acpi:
  -  Add battery quirk for Thinkpad X120e
  -  replace deprecated strncpy with memcpy
  -  sysfs interface to auxmac
 
 tools/power/x86/intel-speed-select:
  -  Display error for core-power support
  -  Increase max CPUs in one request
  -  No TRL for non compute domains
  -  Sanitize integer arguments
  -  turbo-mode enable disable swapped
  -  Update help for TRL
  -  Use cgroup isolate for CPU 0
  -  v1.18 release
 
 wmi:
  -  Decouple probe deferring from wmi_block_list
  -  Decouple WMI device removal from wmi_block_list
  -  Fix opening of char device
  -  Fix probe failure when failing to register WMI devices
  -  Fix refcounting of WMI devices in legacy functions
 
 x86-android-tablets:
  -  Add a comment about x86_android_tablet_get_gpiod()
  -  Create a platform_device from module_init()
  -  Drop "linux,power-supply-name" from lenovo_yt3_bq25892_0_props[]
  -  Fix Lenovo Yoga Tablet 2 830F/L vs 1050F/L detection
  -  Remove invalid_aei_gpiochip from Peaq C1010
  -  Remove invalid_aei_gpiochip support
  -  Stop using gpiolib private APIs
  -  Use platform-device as gpio-keys parent
 
 xo15-ebook:
  -  Replace open coded acpi_match_acpi_device()
 
 Merges:
  -  Merge branch 'pdx86/platform-drivers-x86-int3472' into review-ilpo
  -  Merge branch 'pdx86/platform-drivers-x86-mellanox-init' into review-ilpo
  -  Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-ilpo
  -  Merge remote-tracking branch 'pdx86/platform-drivers-x86-android-tablets' into review-hans
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Merge tag 'platform-drivers-x86-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Ilpo Järvinen:

 - asus-wmi: Support for screenpad and solve brightness key press
   duplication

 - int3472: Eliminate the last use of deprecated GPIO functions

 - mlxbf-pmc: New HW support

 - msi-ec: Support new EC configurations

 - thinkpad_acpi: Support reading aux MAC address during passthrough

 - wmi: Fixes & improvements

 - x86-android-tablets: Detection fix and avoid use of GPIO private APIs

 - Debug & metrics interface improvements

 - Miscellaneous cleanups / fixes / improvements

* tag 'platform-drivers-x86-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (80 commits)
  platform/x86: inspur-platform-profile: Add platform profile support
  platform/x86: thinkpad_acpi: Add battery quirk for Thinkpad X120e
  platform/x86: wmi: Decouple WMI device removal from wmi_block_list
  platform/x86: wmi: Fix opening of char device
  platform/x86: wmi: Fix probe failure when failing to register WMI devices
  platform/x86: wmi: Fix refcounting of WMI devices in legacy functions
  platform/x86: wmi: Decouple probe deferring from wmi_block_list
  platform/x86/amd/hsmp: Fix iomem handling
  platform/x86: asus-wmi: Do not report brightness up/down keys when also reported by acpi_video
  platform/x86: thinkpad_acpi: replace deprecated strncpy with memcpy
  tools/power/x86/intel-speed-select: v1.18 release
  tools/power/x86/intel-speed-select: Use cgroup isolate for CPU 0
  tools/power/x86/intel-speed-select: Increase max CPUs in one request
  tools/power/x86/intel-speed-select: Display error for core-power support
  tools/power/x86/intel-speed-select: No TRL for non compute domains
  tools/power/x86/intel-speed-select: turbo-mode enable disable swapped
  tools/power/x86/intel-speed-select: Update help for TRL
  tools/power/x86/intel-speed-select: Sanitize integer arguments
  platform/x86: acer-wmi: Remove void function return
  platform/x86/amd/pmc: Add dump_custom_stb module parameter
  ...
2023-10-31 17:53:00 -10:00
Dan Williams
b3cfdbf6a0 Merge branch 'for-6.7/cxl-commited' into cxl/next
Add the committed decoder sysfs attribute for v6.7.
2023-10-31 11:00:08 -07:00
Dave Jiang
529c0a4404 cxl: Export QTG ids from CFMWS to sysfs as qos_class attribute
Export the QoS Throttling Group ID from the CXL Fixed Memory Window
Structure (CFMWS) under the root decoder sysfs attributes as qos_class.

CXL rev3.0 9.17.1.3 CXL Fixed Memory Window Structure (CFMWS)

cxl cli will use this id to match with the _DSM retrieved id for a
hot-plugged CXL memory device DPA memory range to make sure that the
DPA range is under the right CFMWS window.

Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/169713681699.2205276.14475306324720093079.stgit@djiang5-mobl3
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2023-10-27 20:48:02 -07:00
Dave Jiang
05e37b2138 cxl: Add decoders_committed sysfs attribute to cxl_port
This attribute allows cxl-cli to determine whether there are decoders
committed to a memdev.  This is only a snapshot of the state, and
doesn't offer any protection or serialization against a concurrent
disable-region operation.

Reviewed-by: Jim Harris <jim.harris@samsung.com>
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/169747907439.272156.10261062080830155662.stgit@djiang5-mobl3
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2023-10-27 20:29:41 -07:00
Kan Liang
571d91dcad perf: Add branch stack counters
Currently, the additional information of a branch entry is stored in a
u64 space. With more and more information added, the space is running
out. For example, the information of occurrences of events will be added
for each branch.

Two places were suggested to append the counters.
https://lore.kernel.org/lkml/20230802215814.GH231007@hirez.programming.kicks-ass.net/
One place is right after the flags of each branch entry. It changes the
existing struct perf_branch_entry. The later ARCH specific
implementation has to be really careful to consistently pick
the right struct.
The other place is right after the entire struct perf_branch_stack.
The disadvantage is that the pointer of the extra space has to be
recorded. The common interface perf_sample_save_brstack() has to be
updated.

The latter is much straightforward, and should be easily understood and
maintained. It is implemented in the patch.

Add a new branch sample type, PERF_SAMPLE_BRANCH_COUNTERS, to indicate
the event which is recorded in the branch info.

The "u64 counters" may store the occurrences of several events. The
information regarding the number of events/counters and the width of
each counter should be exposed via sysfs as a reference for the perf
tool. Define the branch_counter_nr and branch_counter_width ABI here.
The support will be implemented later in the Intel-specific patch.

Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20231025201626.3000228-1-kan.liang@linux.intel.com
2023-10-27 15:05:08 +02:00
Abhijit Gangurde
fa10f41309 cdx: add sysfs for subsystem, class and revision
CDX controller provides subsystem vendor, subsystem device, class and
revision info of the device along with vendor and device ID in native
endian format. CDX Bus system uses this information to bind the cdx
device to the cdx device driver.

Co-developed-by: Puneet Gupta <puneet.gupta@amd.com>
Signed-off-by: Puneet Gupta <puneet.gupta@amd.com>
Co-developed-by: Nipun Gupta <nipun.gupta@amd.com>
Signed-off-by: Nipun Gupta <nipun.gupta@amd.com>
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Reviewed-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Tested-by: Nikhil Agarwal <nikhil.agarwal@amd.com>
Link: https://lore.kernel.org/r/20231017160505.10640-8-abhijit.gangurde@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-27 13:23:24 +02:00
Abhijit Gangurde
0174f58104 cdx: add sysfs for bus reset
Add sysfs interface reset to reset all the devices on the CDX bus.

Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Link: https://lore.kernel.org/r/20231017160505.10640-7-abhijit.gangurde@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-27 13:23:24 +02:00
Abhijit Gangurde
e3cfd49cb9 cdx: add support for bus enable and disable
CDX bus needs to be disabled before updating/writing devices
in the FPGA. Once the devices are written, the bus shall be
rescanned. This change provides sysfs entry to enable/disable the
CDX bus.

Co-developed-by: Nipun Gupta <nipun.gupta@amd.com>
Signed-off-by: Nipun Gupta <nipun.gupta@amd.com>
Signed-off-by: Abhijit Gangurde <abhijit.gangurde@amd.com>
Link: https://lore.kernel.org/r/20231017160505.10640-6-abhijit.gangurde@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-27 13:23:24 +02:00
Ciunas Bennett
71fed09b49 crypto: qat - add num_rps sysfs attribute
Add the attribute `num_rps` to the `qat` attribute group. This returns
the number of ring pairs that a single device has. This allows to know
the maximum value that can be set to the attribute `rp2svc`.

Signed-off-by: Ciunas Bennett <ciunas.bennett@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Damian Muszynski <damian.muszynski@intel.com>
Reviewed-by: Tero Kristo <tero.kristo@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-10-27 18:04:28 +08:00
Ciunas Bennett
dbc8876dd8 crypto: qat - add rp2svc sysfs attribute
Add the attribute `rp2svc` to the `qat` attribute group. This provides a
way for a user to query a specific ring pair for the type of service
that is currently configured for.

When read, the service will be returned for the defined ring pair.
When written to this value will be stored as the ring pair to return
the service of.

Signed-off-by: Ciunas Bennett <ciunas.bennett@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Damian Muszynski <damian.muszynski@intel.com>
Reviewed-by: Tero Kristo <tero.kristo@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-10-27 18:04:28 +08:00
Ciunas Bennett
db74e16258 crypto: qat - add rate limiting sysfs interface
Add an interface for the rate limiting feature which allows to add,
remove and modify a QAT SLA (Service Level Agreement).

This adds a new sysfs attribute group, `qat_rl`, which can be accessed
from /sys/bus/pci/devices/<BUS:DEV:FUNCTION> with the following
hierarchy:
    |-+ qat_rl
      |---- id  (RW) # SLA identifier
      |---- cir (RW) # Committed Information Rate
      |---- pir (RW) # Peak Information Rate
      |---- srv (RW) # Service to be rate limited
      |---- rp  (RW) (HEX) # Ring pairs to be rate limited
      |---- cap_rem  (RW)  # Remaining capability for a service
      |---- sla_op   (WO)  # Allows to perform an operation on an SLA

The API works by setting the appropriate RW attributes and then
issuing a command through the `sla_op`. For example, to create an SLA, a
user needs to input the necessary data into the attributes cir, pir, srv
and rp and then write into `sla_op` the command `add` to execute the
operation.
The API also provides `cap_rem` attribute to get information about
the remaining device capability within a certain service which is
required when setting an SLA.

Signed-off-by: Ciunas Bennett <ciunas.bennett@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Damian Muszynski <damian.muszynski@intel.com>
Reviewed-by: Tero Kristo <tero.kristo@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-10-27 18:04:28 +08:00
Shashank Gupta
532d7f6bc4 crypto: qat - add error counters
Introduce ras counters interface for counting QAT specific device
errors and expose them through the newly created qat_ras sysfs
group attribute.

This adds the following attributes:

- errors_correctable: number of correctable errors
- errors_nonfatal: number of uncorrectable non fatal errors
- errors_fatal: number of uncorrectable fatal errors
- reset_error_counters: resets all counters

These counters are initialized during device bring up and cleared
during device shutdown and are applicable only to QAT GEN4 devices.

Signed-off-by: Shashank Gupta <shashank.gupta@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Tero Kristo <tero.kristo@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-10-27 18:04:27 +08:00
Russ Weight
1e55c5200d fpga: m10bmc-sec: Change contact for secure update driver
Change the maintainer for the Intel MAX10 BMC Secure Update driver from
Russ Weight to Peter Colberg. Update the ABI documentation contact
information as well.

Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Acked-by: Peter Colberg <peter.colberg@intel.com>
Link: https://lore.kernel.org/r/20230928164753.278684-1-russell.h.weight@intel.com
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
Link: https://lore.kernel.org/r/20231023032857.902699-2-yilun.xu@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-24 19:32:39 +02:00
Dave Airlie
7cd62eab9b Linux 6.6-rc7
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BackMerge tag 'v6.6-rc7' into drm-next

This is needed to add the msm pr which is based on a higher base.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2023-10-23 18:20:06 +10:00
Greg Kroah-Hartman
b4b6cc10c6 IIO: 1st set of new device support, features and cleanup for 6.7
Particularly great to see a resolver driver move out of staging via a
 massive set of changes.  Only took 13 years :)
 
 One small patch added then reverted due to a report of test breakage
 (ashai-kasei,ak8975: Drop deprecated enums.)
 
 An immutable branch was used for some hid-senors changes in case
 there was a need to take them into the HID tree as well.
 
 New device support
 -----------------
 
 adi,hmc425a
   - Add support for HMC540SLP3E broadband 4-bit digital attenuator.
 kionix,kx022a
   - Add support for the kx132-1211 accelerometer. Require significant
     driver rework to enable this including add a chip type specific
     structure to deal with the chip differences.
   - Add support for the kx132acr-lbz accelerometer (subset of the kx022a
     feature set).
 lltc,ltc2309
   - New driver for this 8 channel ADC.
 microchip,mcp3911
   - Add support for rest of mcp391x family of ADCs (there are various
     differences beyond simple channel count variation.
     Series includes some general driver cleanup.
 microchip,mcp3564
   - New driver for MCP3461, MCP3462, MCP3464, MCP3541, MCP3562, MCP3564
     and their R variants of 16/24bit ADCs. A few minor fixed followed.
 rohm,bu1390
   - New driver for this pressure sensor.
 
 Staging graduation
 ------------------
 
 adi,ad1210 (after 13 or so years :)
   - More or less a complete (step-wise) rewrite of this resolver driver
     to bring it up to date with modern IIO standards.  The fault signal
     handling mapping to event channels was particularly complex and
     significant part of the changes.
 
 Features
 --------
 
 iio-core
  - Add chromacity and color temperature channel types.
 adi,ad7192
   - Oversampling ratio control (called fast settling in datasheet).
 adi,adis16475
   - Add core support and then driver support for delta angle and delta
     velocity channels. These are intended for summation to establish
     angle and velocity changes over larger timescales.  Fix was
     needed for alignment after the temperature channel.  Further fix
     reduced set of devices for which the buffer support was applicable
     as seems burst reads don't cover these on all devices.
 hid-sensors-als
   - Chromacity and color temperatures support including in amd sfh.
 stx104
   - Add support for counter subsystem to this multipurpose device.
 ti,twl6030
   - Add missing device tree binding description.
 
 Clean up and minor fixes.
 ------------------------
 
 treewide
   - Drop some unused declarations across IIO.
   - Make more use of device_get_match_data() instead of OF specific
     approaches.
 Similar cleanup to sets of drivers.
   - Stop platform remove callbacks returning anything by using the
     temporary remove_new() callback.
   - Use i2c_get_match_data() to cope nicely with all types of ID table
     entry.
   - Use device_get_match_data() for various platform device to cope
     with more types of firmware.
   - Convert from enum to pointer in ID tables allowing use of
     i2c_get_match_data().
   - Fix sorting on some ID tables.
   - Include specific string helper headers rather than simply string_helpers.h
 docs
   - Better description of the ordering requirements etc for
     available_scan_masks.
 tools
   - Handle alignment of mixed sizes where the last element isn't the biggest
     correctly. Seems that doesn't happen often!
 adi,ad2s1210
   - Lots of work from David Lechner on this driver including a few fixes
     that are going with the rework to avoid slowing that down.
 adi,ad4310
   - Replace deprecated devm_clk_register()
 adi,ad74413r
   - Bring the channel function setting inline with the datasheet.
 adi,ad7192
   - Change to FIELD_PREP(), FIELD_GET().
   - Calculate f_order from the sinc filter and chop filter states.
   - Move more per chip config into data in struct ad7192_chip_info
   - Cleanup unused parameter in channel macros.
 adi,adf4350
   - Make use of devm_* to simplify error handling for many of the setup
     calls in probe() / tear down in remove() and error paths.  Some more
     work to be done on this one.
   - Use dev_err_probe() for errors in probe() callback.
 adi,adf4413
   - Typo in function name prefix.
 adi,adxl345
   - Add channel scale to the chip type specific structure and drop
     using a type field previously used for indirection.
 asahi,ak8985
   - Fix a mismatch introduced when switching from enum->pointers
     in the match tables.
 amlogic,meson
   - Expand error logging during probe.
 invensense,mpu6050
   - Support level-shifter control. Whilst no one is sure exactly what this
     is doing it is needed for some old boards.
   - Document mount-matrix dt-binding.
 mediatek,mt6577
   - Use devm_clk_get_enabled() to replace open coded version and move
     everything over to being device managed. Drop now empty remove()
     callback. Fix follows to put the drvdata back.
   - Use dev_err_probe() for error reporting in probe() callback.
 memsic,mxc4005
   - Add of_match_table.
 microchip,mcp4725
   - Move various chip specific data from being looked up by chip ID to
     data in the chip type specific structure.
 silicon-labs,si7005
   - Add of_match_table and entry in trivial-devices.yaml
 st,lsm6dsx
   - Add missing mount-matrix dt binding documentation.
 st,spear
   - Use devm_clk_get_enabled() and some other devm calls to move everything
     over to being device managed.  Drop now empty remove() callback.
   - Use dev_err_probe() to better handled deferred probing and tidy up
     error reporting in probe() callback.
 st,stm32-adc
   - Add a bit of additional checking in probe() to protect against a NULL
     pointer (no known path to trigger it today).
   - Replace deprecated strncpy()
 ti,ads1015
   - Allow for edge triggers.
   - Document interrupt in dt-bindings.
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Merge tag 'iio-for-6.7a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

IIO: 1st set of new device support, features and cleanup for 6.7

Particularly great to see a resolver driver move out of staging via a
massive set of changes.  Only took 13 years :)

One small patch added then reverted due to a report of test breakage
(ashai-kasei,ak8975: Drop deprecated enums.)

An immutable branch was used for some hid-senors changes in case
there was a need to take them into the HID tree as well.

New device support
-----------------

adi,hmc425a
  - Add support for HMC540SLP3E broadband 4-bit digital attenuator.
kionix,kx022a
  - Add support for the kx132-1211 accelerometer. Require significant
    driver rework to enable this including add a chip type specific
    structure to deal with the chip differences.
  - Add support for the kx132acr-lbz accelerometer (subset of the kx022a
    feature set).
lltc,ltc2309
  - New driver for this 8 channel ADC.
microchip,mcp3911
  - Add support for rest of mcp391x family of ADCs (there are various
    differences beyond simple channel count variation.
    Series includes some general driver cleanup.
microchip,mcp3564
  - New driver for MCP3461, MCP3462, MCP3464, MCP3541, MCP3562, MCP3564
    and their R variants of 16/24bit ADCs. A few minor fixed followed.
rohm,bu1390
  - New driver for this pressure sensor.

Staging graduation
------------------

adi,ad1210 (after 13 or so years :)
  - More or less a complete (step-wise) rewrite of this resolver driver
    to bring it up to date with modern IIO standards.  The fault signal
    handling mapping to event channels was particularly complex and
    significant part of the changes.

Features
--------

iio-core
 - Add chromacity and color temperature channel types.
adi,ad7192
  - Oversampling ratio control (called fast settling in datasheet).
adi,adis16475
  - Add core support and then driver support for delta angle and delta
    velocity channels. These are intended for summation to establish
    angle and velocity changes over larger timescales.  Fix was
    needed for alignment after the temperature channel.  Further fix
    reduced set of devices for which the buffer support was applicable
    as seems burst reads don't cover these on all devices.
hid-sensors-als
  - Chromacity and color temperatures support including in amd sfh.
stx104
  - Add support for counter subsystem to this multipurpose device.
ti,twl6030
  - Add missing device tree binding description.

Clean up and minor fixes.
------------------------

treewide
  - Drop some unused declarations across IIO.
  - Make more use of device_get_match_data() instead of OF specific
    approaches.
Similar cleanup to sets of drivers.
  - Stop platform remove callbacks returning anything by using the
    temporary remove_new() callback.
  - Use i2c_get_match_data() to cope nicely with all types of ID table
    entry.
  - Use device_get_match_data() for various platform device to cope
    with more types of firmware.
  - Convert from enum to pointer in ID tables allowing use of
    i2c_get_match_data().
  - Fix sorting on some ID tables.
  - Include specific string helper headers rather than simply string_helpers.h
docs
  - Better description of the ordering requirements etc for
    available_scan_masks.
tools
  - Handle alignment of mixed sizes where the last element isn't the biggest
    correctly. Seems that doesn't happen often!
adi,ad2s1210
  - Lots of work from David Lechner on this driver including a few fixes
    that are going with the rework to avoid slowing that down.
adi,ad4310
  - Replace deprecated devm_clk_register()
adi,ad74413r
  - Bring the channel function setting inline with the datasheet.
adi,ad7192
  - Change to FIELD_PREP(), FIELD_GET().
  - Calculate f_order from the sinc filter and chop filter states.
  - Move more per chip config into data in struct ad7192_chip_info
  - Cleanup unused parameter in channel macros.
adi,adf4350
  - Make use of devm_* to simplify error handling for many of the setup
    calls in probe() / tear down in remove() and error paths.  Some more
    work to be done on this one.
  - Use dev_err_probe() for errors in probe() callback.
adi,adf4413
  - Typo in function name prefix.
adi,adxl345
  - Add channel scale to the chip type specific structure and drop
    using a type field previously used for indirection.
asahi,ak8985
  - Fix a mismatch introduced when switching from enum->pointers
    in the match tables.
amlogic,meson
  - Expand error logging during probe.
invensense,mpu6050
  - Support level-shifter control. Whilst no one is sure exactly what this
    is doing it is needed for some old boards.
  - Document mount-matrix dt-binding.
mediatek,mt6577
  - Use devm_clk_get_enabled() to replace open coded version and move
    everything over to being device managed. Drop now empty remove()
    callback. Fix follows to put the drvdata back.
  - Use dev_err_probe() for error reporting in probe() callback.
memsic,mxc4005
  - Add of_match_table.
microchip,mcp4725
  - Move various chip specific data from being looked up by chip ID to
    data in the chip type specific structure.
silicon-labs,si7005
  - Add of_match_table and entry in trivial-devices.yaml
st,lsm6dsx
  - Add missing mount-matrix dt binding documentation.
st,spear
  - Use devm_clk_get_enabled() and some other devm calls to move everything
    over to being device managed.  Drop now empty remove() callback.
  - Use dev_err_probe() to better handled deferred probing and tidy up
    error reporting in probe() callback.
st,stm32-adc
  - Add a bit of additional checking in probe() to protect against a NULL
    pointer (no known path to trigger it today).
  - Replace deprecated strncpy()
ti,ads1015
  - Allow for edge triggers.
  - Document interrupt in dt-bindings.

* tag 'iio-for-6.7a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (201 commits)
  iio: Use device_get_match_data()
  iio: adc: MCP3564: fix warn: unsigned '__x' is never less than zero.
  dt-bindings: trivial-devices: add silabs,si7005
  iio: si7005: Add device tree support
  drivers: imu: adis16475.c: Remove scan index from delta channels
  dt-bindings: iio: imu: st,lsm6dsx: add mount-matrix property
  iio: resolver: ad2s1210: remove of_match_ptr()
  iio: resolver: ad2s1210: remove DRV_NAME macro
  iio: resolver: ad2s1210: move out of staging
  staging: iio: resolver: ad2s1210: simplify code with guard(mutex)
  staging: iio: resolver: ad2s1210: clear faults after soft reset
  staging: iio: resolver: ad2s1210: refactor sample toggle
  staging: iio: resolver: ad2s1210: remove fault attribute
  staging: iio: resolver: ad2s1210: add label attribute support
  staging: iio: resolver: ad2s1210: add register/fault support summary
  staging: iio: resolver: ad2s1210: implement fault events
  iio: event: add optional event label support
  staging: iio: resolver: ad2s1210: rename DOS reset min/max attrs
  staging: iio: resolver: ad2s1210: convert DOS mismatch threshold to event attr
  staging: iio: resolver: ad2s1210: convert DOS overrange threshold to event attr
  ...
2023-10-20 07:54:15 +02:00
Dan Williams
70e6f7e2b9 configfs-tsm: Introduce a shared ABI for attestation reports
One of the common operations of a TSM (Trusted Security Module) is to
provide a way for a TVM (confidential computing guest execution
environment) to take a measurement of its launch state, sign it and
submit it to a verifying party. Upon successful attestation that
verifies the integrity of the TVM additional secrets may be deployed.
The concept is common across TSMs, but the implementations are
unfortunately vendor specific. While the industry grapples with a common
definition of this attestation format [1], Linux need not make this
problem worse by defining a new ABI per TSM that wants to perform a
similar operation. The current momentum has been to invent new ioctl-ABI
per TSM per function which at best is an abdication of the kernel's
responsibility to make common infrastructure concepts share common ABI.

The proposal, targeted to conceptually work with TDX, SEV-SNP, COVE if
not more, is to define a configfs interface to retrieve the TSM-specific
blob.

    report=/sys/kernel/config/tsm/report/report0
    mkdir $report
    dd if=binary_userdata_plus_nonce > $report/inblob
    hexdump $report/outblob

This approach later allows for the standardization of the attestation
blob format without needing to invent a new ABI. Once standardization
happens the standard format can be emitted by $report/outblob and
indicated by $report/provider, or a new attribute like
"$report/tcg_coco_report" can emit the standard format alongside the
vendor format.

Review of previous iterations of this interface identified that there is
a need to scale report generation for multiple container environments
[2]. Configfs enables a model where each container can bind mount one or
more report generation item instances. Still, within a container only a
single thread can be manipulating a given configuration instance at a
time. A 'generation' count is provided to detect conflicts between
multiple threads racing to configure a report instance.

The SEV-SNP concepts of "extended reports" and "privilege levels" are
optionally enabled by selecting 'tsm_report_ext_type' at register_tsm()
time. The expectation is that those concepts are generic enough that
they may be adopted by other TSM implementations. In other words,
configfs-tsm aims to address a superset of TSM specific functionality
with a common ABI where attributes may appear, or not appear, based on
the set of concepts the implementation supports.

Link: http://lore.kernel.org/r/64961c3baf8ce_142af829436@dwillia2-xfh.jf.intel.com.notmuch [1]
Link: http://lore.kernel.org/r/57f3a05e-8fcd-4656-beea-56bb8365ae64@linux.microsoft.com [2]
Cc: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: Dionna Amalie Glaze <dionnaglaze@google.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Peter Gonda <pgonda@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Samuel Ortiz <sameo@rivosinc.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Tested-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2023-10-19 18:11:38 -07:00
Heikki Krogerus
59de2a56d1 usb: typec: Link enumerated USB devices with Type-C partner
Adding functions that USB hub code can use to inform the
Type-C class about connected USB devices.

Once taken into use, it will allow the Type-C port drivers
to power off components that are not needed, for example if
USB2 device is enumerated, everything that is only relevant
for USB3 (retimers, etc.), can be powered off.

This will also create a symlink "typec" for the USB devices
pointing to the USB Type-C partner device.

Suggested-by: Benson Leung <bleung@chromium.org>
Tested-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20231011105825.320062-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-16 20:02:36 +02:00
Greg Kroah-Hartman
d0d27ef87e Merge 6.6-rc6 into usb-next
We need the USB and Thunderbolt fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-16 17:36:12 +02:00
Greg Kroah-Hartman
fe2017ba24 Merge 6.6-rc6 into tty-next
We need the tty/serial fixes in here as well for testing, and this
resolves merge conflicts in:
	drivers/tty/serial/serial_core.c
as reported in linux-next

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-16 10:18:49 +02:00
Lucas Segarra Fernandez
d807f0240c crypto: qat - add cnv_errors debugfs file
The Compress and Verify (CnV) feature check and ensures data integrity
in the compression operation. The implementation of CnV keeps a record
of the CnV errors that have occurred since the driver was loaded.

Expose CnV error stats by providing the "cnv_errors" file under
debugfs. This includes the number of errors detected up to now and
the type of the last error. The error count is provided on a per
Acceleration Engine basis and it is reset every time the driver is loaded.

Signed-off-by: Lucas Segarra Fernandez <lucas.segarra.fernandez@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-10-13 18:31:07 +08:00
Lucas Segarra Fernandez
e079231676 crypto: qat - add pm_status debugfs file
QAT devices implement a mechanism that allows them to go autonomously
to a low power state depending on the load.

Expose power management info by providing the "pm_status" file under
debugfs. This includes PM state, PM event log, PM event counters, PM HW
CSRs, per-resource type constrain counters and per-domain power gating
status specific to the QAT device.

This information is retrieved from (1) the FW by means of
ICP_QAT_FW_PM_INFO command, (2) CSRs and (3) counters collected by the
device driver.

In addition, add logic to keep track and report power management event
interrupts and acks/nacks sent to FW to allow/prevent state transitions.

Signed-off-by: Lucas Segarra Fernandez <lucas.segarra.fernandez@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-10-13 18:31:07 +08:00
David Lechner
291e45eeeb iio: resolver: ad2s1210: move out of staging
This moves the ad2s1210 resolver driver out of staging. The driver has
been fixed up and is ready to graduate.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20231010-ad2s1210-mainline-v5-4-35a0f6ffa04a@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-10-12 09:20:50 +01:00
David Lechner
a5101e91e9 staging: iio: resolver: ad2s1210: implement fault events
When reading the position and velocity on the AD2S1210, there is also a
3rd byte following the two data bytes that contains the fault flag bits.
This patch adds support for reading this byte and generating events when
faults occur.

The faults are mapped to various channels and event type in order to
have a unique event for each fault.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20231005-ad2s1210-mainline-v4-13-ec00746840fc@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-10-11 15:54:41 +01:00
Costa Shulyupin
17e02586ed docs: move powerpc under arch
and fix all in-tree references.

Architecture-specific documentation is being moved into Documentation/arch/
as a way of cleaning up the top-level documentation directory and making
the docs hierarchy more closely match the source hierarchy.

Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20230826165737.2101199-1-costa.shul@redhat.com
2023-10-10 13:35:55 -06:00
Matt Johnston
57ec42b9a1 i3c: Fix typo "Provisional ID" to "Provisioned ID"
The MIPI I3C spec refers to a Provisioned ID, since it is (sometimes)
provisioned at device manufacturing.

Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20231003075339.197099-1-matt@codeconstruct.com.au
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2023-10-10 12:11:13 +02:00
Tomer Tayar
38ed55bc58 accel/habanalabs: update debugfs-driver-habanalabs with the accel path
Replace "/sys/kernel/debug/habanalabs/hl<n>/..." with
"/sys/kernel/debug/accel/<n>/...".

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2023-10-09 12:37:20 +03:00
Tomer Tayar
13312360ef accel/habanalabs: update sysfs-driver-habanalabs with the accel path
Replace "/sys/class/habanalabs/hl<n>/..." with
"/sys/class/accel/accel<n>/device/...".

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
2023-10-09 12:37:20 +03:00
Russ Weight
53604854c6 firmware_loader: Update contact emails for ABI docs
Update the firmware_loader documentation and corresponding section
in the MAINTAINERs file with a new email address.

Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Link: https://lore.kernel.org/r/20230929151326.311959-1-russell.h.weight@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-05 11:20:54 +02:00
James Gruber
de2eb28cdb usb: gadget: f_uac2: allow changing terminal types through configfs
Add "c_terminal_type" and "p_terminal_type" configfs entries
in order to allow the user to change the capture and playback terminal
type codes.

These fields affect the type of audio device that Windows detects, so
being able to modify this is useful when it would be advantageous for
a gadget to be detected as something other than a generic
speaker/microphone.

The fields default to microphone for the capture type field and speaker
for the playback type field as was the case before.

Signed-off-by: James Gruber <jimmyjgruber@gmail.com>
Link: https://lore.kernel.org/r/20230914222746.155126-1-jimmyjgruber@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-05 09:35:43 +02:00
SeongJae Park
d57d36b56d Docs/ABI/damon: update for DAMOS apply intervals
Update DAMON ABI document for the newly added DAMON sysfs file for DAMOS
apply intervals (apply_interval_us file).

Link: https://lkml.kernel.org/r/20230916020945.47296-10-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-10-04 10:32:32 -07:00
Dave Jiang
7af1e0acee dmaengine: idxd: add wq driver name support for accel-config user tool
With the possibility of multiple wq drivers that can be bound to the wq,
the user config tool accel-config needs a way to know which wq driver to
bind to the wq. Introduce per wq driver_name sysfs attribute where the user
can indicate the driver to be bound to the wq. This allows accel-config to
just bind to the driver using wq->driver_name.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Reviewed-by: Fenghua Yu <fenghua.yu@intel.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20230908201045.4115614-1-fenghua.yu@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2023-10-04 13:00:34 +05:30
Heikki Krogerus
568441b7d4 usb: pd: Exposing the Peak Current value of Fixed Supplies to user space
Exposing the value of the field as is.

The Peak Current value has to be interpreted as described
in Table 6-10 (Fixed Power Source Peak Current Capability)
of the USB Power Delivery Specification, but that
interpretation will be done in user space, not in kernel.

Suggested-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20231002142240.2641962-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-02 16:38:29 +02:00
Jonathan Cameron
431dffc1df Merge branch 'ib-iio-hid-sensors-v6.6-rc1' into togreg
The deta angle and deta velocity channels were added in parallel with
color temperature and chromacity so this merge had to assign a
consistent order. I put the color related ones second.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-09-24 13:39:25 +01:00
Basavaraj Natikar
06790d4c69 iio: Add channel type for chromaticity
In most cases, ambient color sensors also support the x and y light
colors, which represent the coordinates on the CIE 1931 chromaticity
diagram. Thus, add channel type for chromaticity.

Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20230919081054.2050714-7-Basavaraj.Natikar@amd.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-09-24 13:31:31 +01:00
Basavaraj Natikar
42f3117511 iio: Add channel type light color temperature
In most cases, ambient color sensors also support light color
temperature, which is measured in kelvin. Thus, add channel type light
color temperature.

Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20230919081054.2050714-3-Basavaraj.Natikar@amd.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-09-24 13:22:52 +01:00
Mark Pearson
318d97849f platform/x86: think-lmi: Add bulk save feature
On Lenovo platforms there is a limitation in the number of times an
attribute can be saved. This is an architectural limitation and it limits
the number of attributes that can be modified to 48.
A solution for this is instead of the attribute being saved after every
modification allow a user to bulk set the attributes and then trigger a
final save. This allows unlimited attributes.

This patch introduces a save_settings attribute that can be configured to
either single or bulk mode by the user.
Single mode is the default but customers who want to avoid the 48
attribute limit can enable bulk mode.

Displaying the save_settings attribute will display the enabled mode.

When in bulk mode writing 'save' to the save_settings attribute will
trigger a save. Once this has been done a reboot is required before more
attributes can be modified.

Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20230919141530.4805-1-mpearson-lenovo@squebb.ca
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-09-21 18:29:29 +02:00
Adam Guerin
37b14f2dfa crypto: qat - enable dc chaining service
QAT GEN4 devices support chained compression operations. These
allow, with a single request to firmware, to hash then compress
data.

Extend the configuration to enable such mode. The cfg_services
operations in sysfs are extended to allow the string "dcc". When
selected, the driver downloads to the device both the symmetric
crypto and the compression firmware images and sends an admin message
to firmware which enables `chained` operations.
In addition, it sets the device's capabilities as the combination
of compression and symmetric crypto capabilities, while excluding
the ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC bit to indicate
that in this mode, symmetric crypto instances are not supported.

When "dcc" is enabled, the device will handle compression requests
as if the "dc" configuration is loaded ("dcc" is a variation of "dc")
and the driver will register the acomp algorithms.

As for the other extended configurations, "dcc" is only available for
qat_4xxx devices and the chaining service will be only accessible from
user space.

Signed-off-by: Adam Guerin <adam.guerin@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-09-20 13:15:54 +08:00
Simon Arlott
d8a5c0d6a4 docs: ABI: sysfs-tty: close times are in centiseconds
The times for close_delay and closing_wait are in centiseconds, not
milliseconds. Fix the documentation and add details of special values.

Signed-off-by: Simon Arlott <simon@octiron.net>
Link: https://lore.kernel.org/r/30fa035a-709f-58cd-fc1e-fef1367dc6dd@0882a8b5-c6c3-11e9-b005-00805fc181fe.uuid.home.arpa
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-09-18 11:14:43 +02:00
Giovanni Cabiddu
7ba9858344 Documentation: ABI: debugfs-driver-qat: fix fw_counters path
The debugfs description for fw_counters reports an incorrect path
indicating a qat folder that does not exist. Fix it.

Fixes: 865b50fe6e ("crypto: qat - add fw_counters debugfs file")
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2023-09-15 18:29:45 +08:00
Marius Cristea
33ec3e5fc1 iio: adc: adding support for MCP3564 ADC
This is the iio driver for Microchip family of 153.6 ksps,
Low-Noise 16/24-Bit Delta-Sigma ADCs with an SPI interface
(Microchip's  MCP3461, MCP3462, MCP3464, MCP3461R, MCP3462R,
MCP3464R, MCP3561, MCP3562, MCP3564, MCP3561R,
MCP3562R and MCP3564R analog to digital converters).

Signed-off-by: Marius Cristea <marius.cristea@microchip.com>
Link: https://lore.kernel.org/r/20230829154133.40716-3-marius.cristea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-09-12 10:42:04 +01:00
Ramona Bolboaca
94a39f2c44 iio: Add IIO_DELTA_VELOCITY channel type
The delta velocity is defined as a piece-wise integration of
acceleration data. The delta velocity represents the linear velocity
change between two consecutive measurements and it
is measured in m / s (meters per second).

In order to track the total linear velocity change during a desired
period of time, simply sum-up the delta velocity samples acquired
during that time.

IIO currently does not offer a suitable channel type for this
type of measurements hence this patch adds it.

Signed-off-by: Ramona Bolboaca <ramona.bolboaca@analog.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20230808075059.645525-3-ramona.bolboaca@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-09-12 10:42:03 +01:00
Ramona Bolboaca
744f4990ee iio: Add IIO_DELTA_ANGL channel type
The delta angle is defined as a piece-wise integration of angular
velocity data. The delta angle represents the amount of
angular displacement between two consecutive measurements and it
is measured in radians.

In order to track the total angular displacement during a desired
period of time, simply sum-up the delta angle samples acquired
during that time.

IIO currently does not offer a suitable channel type for this
type of measurements hence this patch adds it.

Signed-off-by: Ramona Bolboaca <ramona.bolboaca@analog.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20230808075059.645525-2-ramona.bolboaca@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-09-12 10:42:03 +01:00
Ard Biesheuvel
944834901a Documentation: Drop or replace remaining mentions of IA64
Drop or update mentions of IA64, as appropriate.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
2023-09-11 08:13:18 +00:00
Linus Torvalds
2be6bc48df - Core Frameworks
- Add new framework to support Group Multi-Color (GMC) LEDs
    - Offer an 'optional' API for non-essential LEDs
    - Support obtaining 'max brightness' values from Device Tree
    - Provide new led_classdev member 'color' (settable via DT and SYFS)
    - Stop TTY Trigger from using the old LED_ON constraints
    - Statically allocate leds_class
 
  - New Drivers
    - Add support for NXP PCA995x I2C Constant Current LED Driver
 
  - New Device Support
    - Add support for Siemens Simatic IPC BX-21 to Simatic IPC
 
  - Fix-ups
    - Some dependency / Kconfig tweaking
    - Move final probe() functions back over from .probe_new()
    - Simplify obtaining resources (memory, device data) using unified API helpers
    - Bunch of Device Tree additions, conversions and adaptions
    - Fix trivial styling issues; comments
    - Ensure correct includes are present and remove some that are not required
    - Omit the use of redundant casts and if relevant replace with better ones
    - Use purpose-built APIs for various actions; sysfs_emit(), module_led_trigger()
    - Remove a bunch of superfluous locking
 
  - Bug Fixes
    - Ensure error codes are correctly propagated back up the call chain
    - Fix incorrect error values from being returned (missing '-')
    - Ensure get'ed resources are put'ed to prevent leaks
    - Use correct class when exporting module resources
    - Fixing rounding (or lack there of) issues
    - Fix 'always false' LED_COLOR_ID_MULTI BUG() check
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Merge tag 'leds-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "Core Frameworks:
   - Add new framework to support Group Multi-Color (GMC) LEDs
   - Offer an 'optional' API for non-essential LEDs
   - Support obtaining 'max brightness' values from Device Tree
   - Provide new led_classdev member 'color' (settable via DT and SYFS)
   - Stop TTY Trigger from using the old LED_ON constraints
   - Statically allocate leds_class

  New Drivers:
   - Add support for NXP PCA995x I2C Constant Current LED Driver

  New Device Support:
   - Add support for Siemens Simatic IPC BX-21 to Simatic IPC

  Fix-ups:
   - Some dependency / Kconfig tweaking
   - Move final probe() functions back over from .probe_new()
   - Simplify obtaining resources (memory, device data) using unified
     API helpers
   - Bunch of Device Tree additions, conversions and adaptions
   - Fix trivial styling issues; comments
   - Ensure correct includes are present and remove some that are not
     required
   - Omit the use of redundant casts and if relevant replace with better
     ones
   - Use purpose-built APIs for various actions; sysfs_emit(),
     module_led_trigger()
   - Remove a bunch of superfluous locking

  Bug Fixes:
   - Ensure error codes are correctly propagated back up the call chain
   - Fix incorrect error values from being returned (missing '-')
   - Ensure get'ed resources are put'ed to prevent leaks
   - Use correct class when exporting module resources
   - Fixing rounding (or lack there of) issues
   - Fix 'always false' LED_COLOR_ID_MULTI BUG() check"

* tag 'leds-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (40 commits)
  leds: aw2013: Enable pull-up supply for interrupt and I2C
  dt-bindings: leds: Document pull-up supply for interrupt and I2C
  dt-bindings: leds: aw2013: Document interrupt
  leds: uleds: Use module_misc_device macro to simplify the code
  leds: trigger: netdev: Use module_led_trigger macro to simplify the code
  dt-bindings: leds: Fix reference to definition of default-state
  leds: turris-omnia: Drop unnecessary mutex locking
  leds: turris-omnia: Use sysfs_emit() instead of sprintf()
  leds: Make leds_class a static const structure
  leds: Remove redundant of_match_ptr()
  dt-bindings: leds: Add gpio-line-names to PCA9532 GPIO
  leds: trigger: tty: Do not use LED_ON/OFF constants, use led_blink_set_oneshot instead
  dt-bindings: leds: rohm,bd71828: Drop select:false
  leds: Fix BUG_ON check for LED_COLOR_ID_MULTI that is always false
  leds: multicolor: Use rounded division when calculating color components
  leds: rgb: Add a multicolor LED driver to group monochromatic LEDs
  dt-bindings: leds: Add binding for a multicolor group of LEDs
  leds: class: Store the color index in struct led_classdev
  leds: Provide devm_of_led_get_optional()
  leds: pca995x: Fix MODULE_DEVICE_TABLE for OF
  ...
2023-09-04 13:52:58 -07:00
Linus Torvalds
708283abf8 dmaengine updates for v6.6
New support:
  - Qualcomm SM6115 and QCM2290 dmaengine support
  - at_xdma support for microchip,sam9x7 controller
 
  Updates:
  - idxd updates for wq simplification and ats knob updates
  - fsl edma updates for v3 support
  - Xilinx AXI4-Stream control support
  - Yaml conversion for bcm dma binding
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Merge tag 'dmaengine-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "New controller support and updates to drivers.

  New support:
   - Qualcomm SM6115 and QCM2290 dmaengine support
   - at_xdma support for microchip,sam9x7 controller

  Updates:
   - idxd updates for wq simplification and ats knob updates
   - fsl edma updates for v3 support
   - Xilinx AXI4-Stream control support
   - Yaml conversion for bcm dma binding"

* tag 'dmaengine-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (53 commits)
  dmaengine: fsl-edma: integrate v3 support
  dt-bindings: fsl-dma: fsl-edma: add edma3 compatible string
  dmaengine: fsl-edma: move tcd into struct fsl_dma_chan
  dmaengine: fsl-edma: refactor chan_name setup and safety
  dmaengine: fsl-edma: move clearing of register interrupt into setup_irq function
  dmaengine: fsl-edma: refactor using devm_clk_get_enabled
  dmaengine: fsl-edma: simply ATTR_DSIZE and ATTR_SSIZE by using ffs()
  dmaengine: fsl-edma: move common IRQ handler to common.c
  dmaengine: fsl-edma: Remove enum edma_version
  dmaengine: fsl-edma: transition from bool fields to bitmask flags in drvdata
  dmaengine: fsl-edma: clean up EXPORT_SYMBOL_GPL in fsl-edma-common.c
  dmaengine: fsl-edma: fix build error when arch is s390
  dmaengine: idxd: Fix issues with PRS disable sysfs knob
  dmaengine: idxd: Allow ATS disable update only for configurable devices
  dmaengine: xilinx_dma: Program interrupt delay timeout
  dmaengine: xilinx_dma: Use tasklet_hi_schedule for timing critical usecase
  dmaengine: xilinx_dma: Freeup active list based on descriptor completion bit
  dmaengine: xilinx_dma: Increase AXI DMA transaction segment count
  dmaengine: xilinx_dma: Pass AXI4-Stream control words to dma client
  dt-bindings: dmaengine: xilinx_dma: Add xlnx,irq-delay property
  ...
2023-09-03 10:49:42 -07:00
Linus Torvalds
92901222f8 f2fs update for 6.6-rc1
In this cycle, we don't have a highlighted feature enhancement, but mostly
 have fixed issues mainly in two parts: 1) zoned block device, 2) compression
 support. For zoned block device, we've tried to improve the power-off recovery
 flow as much as possible. For compression, we found some corner cases caused by
 wrong compression policy and logics. Other than them, there were some reverts
 and stat corrections.
 
 Bug fix:
  - use finish zone command when closing a zone
  - check zone type before sending async reset zone command
  - fix to assign compress_level for lz4 correctly
  - fix error path of f2fs_submit_page_read()
  - don't {,de}compress non-full cluster
  - send small discard commands during checkpoint back
  - flush inode if atomic file is aborted
  - correct to account gc/cp stats
 
 And, there are minor bug fixes, avoiding false lockdep warning, and clean-ups.
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Merge tag 'f2fs-for-6-6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this cycle, we don't have a highlighted feature enhancement, but
  mostly have fixed issues mainly in two parts: 1) zoned block device,
  and 2) compression support.

  For zoned block device, we've tried to improve the power-off recovery
  flow as much as possible. For compression, we found some corner cases
  caused by wrong compression policy and logics. Other than them, there
  were some reverts and stat corrections.

  Bug fixes:
   - use finish zone command when closing a zone
   - check zone type before sending async reset zone command
   - fix to assign compress_level for lz4 correctly
   - fix error path of f2fs_submit_page_read()
   - don't {,de}compress non-full cluster
   - send small discard commands during checkpoint back
   - flush inode if atomic file is aborted
   - correct to account gc/cp stats

  And, there are minor bug fixes, avoiding false lockdep warning, and
  clean-ups"

* tag 'f2fs-for-6-6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (25 commits)
  f2fs: use finish zone command when closing a zone
  f2fs: compress: fix to assign compress_level for lz4 correctly
  f2fs: fix error path of f2fs_submit_page_read()
  f2fs: clean up error handling in sanity_check_{compress_,}inode()
  f2fs: avoid false alarm of circular locking
  Revert "f2fs: do not issue small discard commands during checkpoint"
  f2fs: doc: fix description of max_small_discards
  f2fs: should update REQ_TIME for direct write
  f2fs: fix to account cp stats correctly
  f2fs: fix to account gc stats correctly
  f2fs: remove unneeded check condition in __f2fs_setxattr()
  f2fs: fix to update i_ctime in __f2fs_setxattr()
  Revert "f2fs: fix to do sanity check on extent cache correctly"
  f2fs: increase usage of folio_next_index() helper
  f2fs: Only lfs mode is allowed with zoned block device feature
  f2fs: check zone type before sending async reset zone command
  f2fs: compress: don't {,de}compress non-full cluster
  f2fs: allow f2fs_ioc_{,de}compress_file to be interrupted
  f2fs: don't reopen the main block device in f2fs_scan_devices
  f2fs: fix to avoid mmap vs set_compress_option case
  ...
2023-09-02 15:37:59 -07:00
Linus Torvalds
b89b029377 SCSI misc on 20230902
Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr, libsas) and
 the usual minor updates and bug fixes but no significant core changes.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr, libsas) and
  the usual minor updates and bug fixes but no significant core changes"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (116 commits)
  scsi: storvsc: Handle additional SRB status values
  scsi: libsas: Delete sas_ata_task.retry_count
  scsi: libsas: Delete sas_ata_task.stp_affil_pol
  scsi: libsas: Delete sas_ata_task.set_affil_pol
  scsi: libsas: Delete sas_ssp_task.task_prio
  scsi: libsas: Delete sas_ssp_task.enable_first_burst
  scsi: libsas: Delete sas_ssp_task.retry_count
  scsi: libsas: Delete struct scsi_core
  scsi: libsas: Delete enum sas_phy_type
  scsi: libsas: Delete enum sas_class
  scsi: libsas: Delete sas_ha_struct.lldd_module
  scsi: target: Fix write perf due to unneeded throttling
  scsi: lpfc: Do not abuse UUID APIs and LPFC_COMPRESS_VMID_SIZE
  scsi: pm8001: Remove unused declarations
  scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock
  scsi: elx: sli4: Remove code duplication
  scsi: bfa: Replace one-element array with flexible-array member in struct fc_rscn_pl_s
  scsi: qla2xxx: Remove unused declarations
  scsi: pmcraid: Use pci_dev_id() to simplify the code
  scsi: pm80xx: Set RETFIS when requested by libsas
  ...
2023-09-02 12:02:41 -07:00
James Bottomley
e03843a0f0 Merge branch 'fixes' into misc 2023-09-02 08:25:19 +01:00
Linus Torvalds
1c9f8dff62 Char/Misc driver changes for 6.6-rc1
Here is the big set of char/misc and other small driver subsystem
 changes for 6.6-rc1.
 
 Stuff all over the place here, lots of driver updates and changes and
 new additions.  Short summary is:
   - new IIO drivers and updates
   - Interconnect driver updates
   - fpga driver updates and additions
   - fsi driver updates
   - mei driver updates
   - coresight driver updates
   - nvmem driver updates
   - counter driver updates
   - lots of smaller misc and char driver updates and additions
 
 All of these have been in linux-next for a long time with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  changes for 6.6-rc1.

  Stuff all over the place here, lots of driver updates and changes and
  new additions. Short summary is:

   - new IIO drivers and updates

   - Interconnect driver updates

   - fpga driver updates and additions

   - fsi driver updates

   - mei driver updates

   - coresight driver updates

   - nvmem driver updates

   - counter driver updates

   - lots of smaller misc and char driver updates and additions

  All of these have been in linux-next for a long time with no reported
  problems"

* tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (267 commits)
  nvmem: core: Notify when a new layout is registered
  nvmem: core: Do not open-code existing functions
  nvmem: core: Return NULL when no nvmem layout is found
  nvmem: core: Create all cells before adding the nvmem device
  nvmem: u-boot-env:: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
  nvmem: sec-qfprom: Add Qualcomm secure QFPROM support
  dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom
  dt-bindings: nvmem: Add compatible for QCM2290
  nvmem: Kconfig: Fix typo "drive" -> "driver"
  nvmem: Explicitly include correct DT includes
  nvmem: add new NXP QorIQ eFuse driver
  dt-bindings: nvmem: Add t1023-sfp efuse support
  dt-bindings: nvmem: qfprom: Add compatible for MSM8226
  nvmem: uniphier: Use devm_platform_get_and_ioremap_resource()
  nvmem: qfprom: do some cleanup
  nvmem: stm32-romem: Use devm_platform_get_and_ioremap_resource()
  nvmem: rockchip-efuse: Use devm_platform_get_and_ioremap_resource()
  nvmem: meson-mx-efuse: Convert to devm_platform_ioremap_resource()
  nvmem: lpc18xx_otp: Convert to devm_platform_ioremap_resource()
  nvmem: brcm_nvram: Use devm_platform_get_and_ioremap_resource()
  ...
2023-09-01 09:53:54 -07:00
Linus Torvalds
51e7accbe8 USB / Thunderbolt / PHY driver update for 6.6-rc1
Here is the big set of USB, Thunderbolt, and PHY driver updates for
 6.6-rc1.  Included in here are:
   - PHY driver additions and cleanups
   - Thunderbolt minor additions and fixes
   - USB MIDI 2 gadget support added
   - dwc3 driver updates and additions
   - Removal of some old USB wireless code that was missed when that
     codebase was originally removed a few years ago, cleaning up some
     core USB code paths
   - USB core potential use-after-free fixes that syzbot from different
     people/groups keeps tripping over
   - typec updates and additions
   - gadget fixes and cleanups
   - loads of smaller USB core and driver cleanups all over the place
 
 Full details are in the shortlog.  All of these have been in linux-next
 for a while with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt / PHY driver updates from Greg KH:
 "Here is the big set of USB, Thunderbolt, and PHY driver updates for
  6.6-rc1. Included in here are:

   - PHY driver additions and cleanups

   - Thunderbolt minor additions and fixes

   - USB MIDI 2 gadget support added

   - dwc3 driver updates and additions

   - Removal of some old USB wireless code that was missed when that
     codebase was originally removed a few years ago, cleaning up some
     core USB code paths

   - USB core potential use-after-free fixes that syzbot from different
     people/groups keeps tripping over

   - typec updates and additions

   - gadget fixes and cleanups

   - loads of smaller USB core and driver cleanups all over the place

  Full details are in the shortlog. All of these have been in linux-next
  for a while with no reported problems"

* tag 'usb-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
  platform/chrome: cros_ec_typec: Configure Retimer cable type
  tcpm: Avoid soft reset when partner does not support get_status
  usb: typec: tcpm: reset counter when enter into unattached state after try role
  usb: typec: tcpm: set initial svdm version based on pd revision
  USB: serial: option: add FOXCONN T99W368/T99W373 product
  USB: serial: option: add Quectel EM05G variant (0x030e)
  usb: dwc2: add pci_device_id driver_data parse support
  usb: gadget: remove max support speed info in bind operation
  usb: gadget: composite: cleanup function config_ep_by_speed_and_alt()
  usb: gadget: config: remove max speed check in usb_assign_descriptors()
  usb: gadget: unconditionally allocate hs/ss descriptor in bind operation
  usb: gadget: f_uvc: change endpoint allocation in uvc_function_bind()
  usb: gadget: add a inline function gether_bitrate()
  usb: gadget: use working speed to calcaulate network bitrate and qlen
  dt-bindings: usb: samsung,exynos-dwc3: Add Exynos850 support
  usb: dwc3: exynos: Add support for Exynos850 variant
  usb: gadget: udc-xilinx: fix incorrect type in assignment warning
  usb: gadget: udc-xilinx: fix cast from restricted __le16 warning
  usb: gadget: udc-xilinx: fix restricted __le16 degrades to integer warning
  USB: dwc2: hande irq on dead controller correctly
  ...
2023-09-01 09:23:34 -07:00
Linus Torvalds
e2c874f999 platform-drivers-x86 for v6.6-1
Highlights:
  -  hp-bioscfg:  New firmware-attributes driver for changing BIOS settings
                  from within Linux
  -  asus-wmi:    Add charger mode, middle fan and eGPU settings support
  -  ideapad:     Support keyboard backlight control on more models
  -  mellanox:    Support for new models
  -  sel-3350:    New LED and power-supply driver for this industrial mainboard
  -  simatic-ipc: Add RTC battery monitor and various new models support
  -  Miscellaneous other cleanups / fixes
 
 The following is an automated git shortlog grouped by driver:
 
 Add SEL-3350 platform driver:
  -  Add SEL-3350 platform driver
 
 Documentation/ABI:
  -  Add new attribute for mlxreg-io sysfs interfaces
 
 MAINTAINERS:
  -  Add entries for Siemens IPC modules
 
 Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans:
  -  Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans
 
 Merge remote-tracking branch 'pdx86/fixes' into pdx86/for-next:
  -  Merge remote-tracking branch 'pdx86/fixes' into pdx86/for-next
 
 Merge remote-tracking branch 'pdx86/platform-drivers-x86-simatic-ipc' into review-hans:
  -  Merge remote-tracking branch 'pdx86/platform-drivers-x86-simatic-ipc' into review-hans
 
 Merge tag 'ib-pdx86-simatic-v6.6' into review-hans:
  -  Merge tag 'ib-pdx86-simatic-v6.6' into review-hans
 
 Merge tag 'ib-pdx86-simatic-v6.6-2' into review-hans:
  -  Merge tag 'ib-pdx86-simatic-v6.6-2' into review-hans
 
 Move all simatic ipc drivers to the subdirectory siemens:
  -  Move all simatic ipc drivers to the subdirectory siemens
 
 asus-wmi:
  -  corrections to egpu safety check
  -  Fix support for showing middle fan RPM
  -  expose dGPU and CPU tunables for ROG
  -  support setting mini-LED mode
  -  add safety checks to gpu switching
  -  don't allow eGPU switching if eGPU not connected
  -  add WMI method to show if egpu connected
  -  support middle fan custom curves
  -  add support for showing middle fan RPM
  -  add support for showing charger mode
 
 dell-sysman:
  -  Fix reference leak
 
 doc:
  -  TPMI: Add debugfs documentation
 
 hp-bioscfg:
  -  Update steps order list elements are evaluated
  -  Use kmemdup() to replace kmalloc + memcpy
  -  Remove duplicate use of variable in inner loop
  -  Change how password encoding size is evaluated
  -  Change how enum possible values size is evaluated
  -  Change how order list size is evaluated
  -  Change how prerequisites size is evaluated
  -  Replace the word HACK from source code
  -  Fix uninitialized variable errors
  -  Fix memory leaks in attribute packages
  -  fix error reporting in hp_add_other_attributes()
  -  prevent a small buffer overflow
  -  fix a signedness bug in hp_wmi_perform_query()
  -  MAINTAINERS
  -  Makefile
  -  surestart-attributes
  -  string-attributes
  -  spmobj-attributes
  -  passwdobj-attributes
  -  order-list-attributes
  -  int-attributes
  -  enum-attributes
  -  biosattr-interface
  -  bioscfg
  -  bioscfg-h
  -  Documentation
 
 ideapad-laptop:
  -  Add support for keyboard backlights using KBLC ACPI symbol
 
 leds:
  -  simatic-ipc-leds: default config switch to platform switch
 
 mlx-platform:
  -  Add dependency on PCI to Kconfig
 
 mlxbf-bootctl:
  -  Support sysfs entries for MFG fields
  -  Support setting the ARM boot state to "OS up"
  -  Support the large icmc write/read
 
 p2sb:
  -  Make the Kconfig symbol hidden
 
 platform:
  -  mellanox: nvsw-sn2201: change fans i2c busses.
  -  mellanox: mlxreg-hotplug: Extend condition for notification callback processing
  -  mellanox: Add initial support for PCIe based programming logic device
  -  mellanox: mlx-platform: Get interrupt line through ACPI
  -  mellanox: mlx-platform: Introduce ACPI init flow
  -  mellanox: mlx-platform: Prepare driver to allow probing through ACPI infrastructure
  -  mellanox: mlx-platform: Add reset callback
  -  mellanox: Cosmetic changes
  -  mellanox: mlx-platform: Modify power off callback
  -  mellanox: mlx-platform: add support for additional CPLD
  -  mellanox: mlx-platform: Add reset cause attribute
  -  mellanox: mlx-platform: Modify health and power hotplug action
  -  mellanox: Modify reset causes description
  -  mellanox: Add field upgrade capability register
  -  mellanox: Add new attributes
  -  Explicitly include correct DT includes
 
 platform/x86/amd/pmc:
  -  Fix build error with randconfig
  -  Move PMC driver to separate directory
 
 platform/x86/amd/pmf:
  -  Fix a missing cleanup path
  -  Use str_on_off() helper
 
 platform/x86/intel/tpmi:
  -  Add debugfs interface
  -  Read feature control status
 
 platform/x86/siemens:
  -  simatic-ipc-batt: fix logical error for BX-59A
  -  simatic-ipc: fix logical error for BX-59A
  -  simatic-ipc-batt: fix wrong pointer pass to PTR_ERR()
  -  simatic-ipc-batt: add support for module BX-59A
  -  simatic-ipc: add new models BX-56A/BX-59A
  -  Kconfig: adjust help text
  -  simatic-ipc-batt: fix bat reading in BX_21A
 
 simatic-ipc:
  -  use extra module loading for watchdog
  -  add auto-loading of hwmon modules
  -  add another model
  -  drop PCI runtime depends and header
  -  add CMOS battery monitoring
  -  add another model BX-21A
 
 system76:
  -  Handle new KBLED ACPI methods
 
 thinkpad_acpi:
  -  Switch to memdup_user_nul() helper
  -  use lockdep annotations
  -  take mutex for hotkey_mask_{set,get}
 
 tools/power/x86/intel-speed-select:
  -  v1.17 release
  -  Change mem-frequency display name
  -  Prevent CPU 0 offline
  -  Error on CPU count exceed in request
  -  Support more than 8 sockets.
  -  Fix CPU count display
 
 watchdog:
  -  simatic: Use idiomatic selection of P2SB
  -  simatic: add PCI dependency
  -  make Siemens Simatic watchdog driver default on platform
  -  simatic-ipc-wdt: make IO region access of one model muxed
 
 wmi-bmof:
  -  Update MAINTAINERS entry
  -  Simplify read_bmof()
  -  Use device_create_bin_file()
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Merge tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:

 - hp-bioscfg: New firmware-attributes driver for changing BIOS settings
   from within Linux

 - asus-wmi: Add charger mode, middle fan and eGPU settings support

 - ideapad: Support keyboard backlight control on more models

 - mellanox: Support for new models

 - sel-3350: New LED and power-supply driver for this industrial
   mainboard

 - simatic-ipc: Add RTC battery monitor and various new models support

 - miscellaneous other cleanups / fixes

* tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (101 commits)
  platform/x86: asus-wmi: corrections to egpu safety check
  platform/x86: mlx-platform: Add dependency on PCI to Kconfig
  platform/x86: ideapad-laptop: Add support for keyboard backlights using KBLC ACPI symbol
  platform/x86/amd/pmc: Fix build error with randconfig
  platform/x86/amd/pmf: Fix a missing cleanup path
  watchdog: simatic: Use idiomatic selection of P2SB
  platform/x86: p2sb: Make the Kconfig symbol hidden
  Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
  platform: mellanox: nvsw-sn2201: change fans i2c busses.
  platform: mellanox: mlxreg-hotplug: Extend condition for notification callback processing
  platform: mellanox: Add initial support for PCIe based programming logic device
  platform: mellanox: mlx-platform: Get interrupt line through ACPI
  platform: mellanox: mlx-platform: Introduce ACPI init flow
  platform: mellanox: mlx-platform: Prepare driver to allow probing through ACPI infrastructure
  platform: mellanox: mlx-platform: Add reset callback
  platform: mellanox: Cosmetic changes
  platform: mellanox: mlx-platform: Modify power off callback
  platform: mellanox: mlx-platform: add support for additional CPLD
  platform: mellanox: mlx-platform: Add reset cause attribute
  platform: mellanox: mlx-platform: Modify health and power hotplug action
  ...
2023-09-01 09:16:47 -07:00
Linus Torvalds
4ad0a4c234 powerpc updates for 6.6
- Add HOTPLUG_SMT support (/sys/devices/system/cpu/smt) and honour the
    configured SMT state when hotplugging CPUs into the system.
 
  - Combine final TLB flush and lazy TLB mm shootdown IPIs when using the Radix
    MMU to avoid a broadcast TLBIE flush on exit.
 
  - Drop the exclusion between ptrace/perf watchpoints, and drop the now unused
    associated arch hooks.
 
  - Add support for the "nohlt" command line option to disable CPU idle.
 
  - Add support for -fpatchable-function-entry for ftrace, with GCC >= 13.1.
 
  - Rework memory block size determination, and support 256MB size on systems
    with GPUs that have hotpluggable memory.
 
  - Various other small features and fixes.
 
 Thanks to: Andrew Donnellan, Aneesh Kumar K.V, Arnd Bergmann, Athira Rajeev,
 Benjamin Gray, Christophe Leroy, Frederic Barrat, Gautam Menghani, Geoff Levand,
 Hari Bathini, Immad Mir, Jialin Zhang, Joel Stanley, Jordan Niethe, Justin
 Stitt, Kajol Jain, Kees Cook, Krzysztof Kozlowski, Laurent Dufour, Liang He,
 Linus Walleij, Mahesh Salgaonkar, Masahiro Yamada, Michal Suchanek, Nageswara
 R Sastry, Nathan Chancellor, Nathan Lynch, Naveen N Rao, Nicholas Piggin, Nick
 Desaulniers, Omar Sandoval, Randy Dunlap, Reza Arbab, Rob Herring, Russell
 Currey, Sourabh Jain, Thomas Gleixner, Trevor Woerner, Uwe Kleine-König, Vaibhav
 Jain, Xiongfeng Wang, Yuan Tan, Zhang Rui, Zheng Zengkai.
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Merge tag 'powerpc-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Add HOTPLUG_SMT support (/sys/devices/system/cpu/smt) and honour the
   configured SMT state when hotplugging CPUs into the system

 - Combine final TLB flush and lazy TLB mm shootdown IPIs when using the
   Radix MMU to avoid a broadcast TLBIE flush on exit

 - Drop the exclusion between ptrace/perf watchpoints, and drop the now
   unused associated arch hooks

 - Add support for the "nohlt" command line option to disable CPU idle

 - Add support for -fpatchable-function-entry for ftrace, with GCC >=
   13.1

 - Rework memory block size determination, and support 256MB size on
   systems with GPUs that have hotpluggable memory

 - Various other small features and fixes

Thanks to Andrew Donnellan, Aneesh Kumar K.V, Arnd Bergmann, Athira
Rajeev, Benjamin Gray, Christophe Leroy, Frederic Barrat, Gautam
Menghani, Geoff Levand, Hari Bathini, Immad Mir, Jialin Zhang, Joel
Stanley, Jordan Niethe, Justin Stitt, Kajol Jain, Kees Cook, Krzysztof
Kozlowski, Laurent Dufour, Liang He, Linus Walleij, Mahesh Salgaonkar,
Masahiro Yamada, Michal Suchanek, Nageswara R Sastry, Nathan Chancellor,
Nathan Lynch, Naveen N Rao, Nicholas Piggin, Nick Desaulniers, Omar
Sandoval, Randy Dunlap, Reza Arbab, Rob Herring, Russell Currey, Sourabh
Jain, Thomas Gleixner, Trevor Woerner, Uwe Kleine-König, Vaibhav Jain,
Xiongfeng Wang, Yuan Tan, Zhang Rui, and Zheng Zengkai.

* tag 'powerpc-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (135 commits)
  macintosh/ams: linux/platform_device.h is needed
  powerpc/xmon: Reapply "Relax frame size for clang"
  powerpc/mm/book3s64: Use 256M as the upper limit with coherent device memory attached
  powerpc/mm/book3s64: Fix build error with SPARSEMEM disabled
  powerpc/iommu: Fix notifiers being shared by PCI and VIO buses
  powerpc/mpc5xxx: Add missing fwnode_handle_put()
  powerpc/config: Disable SLAB_DEBUG_ON in skiroot
  powerpc/pseries: Remove unused hcall tracing instruction
  powerpc/pseries: Fix hcall tracepoints with JUMP_LABEL=n
  powerpc: dts: add missing space before {
  powerpc/eeh: Use pci_dev_id() to simplify the code
  powerpc/64s: Move CPU -mtune options into Kconfig
  powerpc/powermac: Fix unused function warning
  powerpc/pseries: Rework lppaca_shared_proc() to avoid DEBUG_PREEMPT
  powerpc: Don't include lppaca.h in paca.h
  powerpc/pseries: Move hcall_vphn() prototype into vphn.h
  powerpc/pseries: Move VPHN constants into vphn.h
  cxl: Drop unused detach_spa()
  powerpc: Drop zalloc_maybe_bootmem()
  powerpc/powernv: Use struct opal_prd_msg in more places
  ...
2023-08-31 12:43:10 -07:00
Linus Torvalds
cd99b9eb4b Documentation work keeps chugging along; stuff for 6.6 includes:
- Work from Carlos Bilbao to integrate rustdoc output into the generated
   HTML documentation.  This took some work to figure out how to do it
   without slowing the docs build and without creating people who don't have
   Rust installed, but Carlos got there.
 
 - Move the loongarch and mips architecture documentation under
   Documentation/arch/.
 
 - Some more maintainer documentation from Jakub
 
 ...plus the usual assortment of updates, translations, and fixes.
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Merge tag 'docs-6.6' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "Documentation work keeps chugging along; this includes:

   - Work from Carlos Bilbao to integrate rustdoc output into the
     generated HTML documentation. This took some work to figure out how
     to do it without slowing the docs build and without creating people
     who don't have Rust installed, but Carlos got there

   - Move the loongarch and mips architecture documentation under
     Documentation/arch/

   - Some more maintainer documentation from Jakub

  ... plus the usual assortment of updates, translations, and fixes"

* tag 'docs-6.6' of git://git.lwn.net/linux: (56 commits)
  Docu: genericirq.rst: fix irq-example
  input: docs: pxrc: remove reference to phoenix-sim
  Documentation: serial-console: Fix literal block marker
  docs/mm: remove references to hmm_mirror ops and clean typos
  docs/zh_CN: correct regi_chg(),regi_add() to region_chg(),region_add()
  Documentation: Fix typos
  Documentation/ABI: Fix typos
  scripts: kernel-doc: fix macro handling in enums
  scripts: kernel-doc: parse DEFINE_DMA_UNMAP_[ADDR|LEN]
  Documentation: riscv: Update boot image header since EFI stub is supported
  Documentation: riscv: Add early boot document
  Documentation: arm: Add bootargs to the table of added DT parameters
  docs: kernel-parameters: Refer to the correct bitmap function
  doc: update params of memhp_default_state=
  docs: Add book to process/kernel-docs.rst
  docs: sparse: fix invalid link addresses
  docs: vfs: clean up after the iterate() removal
  docs: Add a section on surveys to the researcher guidelines
  docs: move mips under arch
  docs: move loongarch under arch
  ...
2023-08-30 20:05:42 -07:00
Linus Torvalds
1544df9ab4 ARM: SoC drivers for 6.6
The main change this time is the introduction of the drivers/genpd
 subsystem that gets split out from drivers/soc to keep common
 functionality together. Ulf Hansson is taking over maintainership for
 these and is sending a separate pull request with the same commits,
 but they are in the soc drivers tree to avoid conflicts against other
 soc driver patches.
 
 The SCMI driver subsystem gets an update to version 3.2 of the
 specification. There are also updates to memory, reset and other firmware
 drivers.
 
 On the soc driver side, the updates are mostly cleanups across a number
 of Arm platforms. On driver for loongarch adds power management for DT
 based systems, another driver is for HiSilicon's Arm server chips with
 their HCCS system health interface.
 
 The remaining updates for the most part add support for additional
 hardware in existing drivers or contain minor cleanups. Most of these
 are for the Qualcomm Snapdragon platform.
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Merge tag 'soc-drivers-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC driver updates from Arnd Bergmann:
 "The main change this time was the introduction of the drivers/genpd
  subsystem that gets split out from drivers/soc to keep common
  functionality together.

  The SCMI driver subsystem gets an update to version 3.2 of the
  specification. There are also updates to memory, reset and other
  firmware drivers.

  On the soc driver side, the updates are mostly cleanups across a
  number of Arm platforms. On driver for loongarch adds power management
  for DT based systems, another driver is for HiSilicon's Arm server
  chips with their HCCS system health interface.

  The remaining updates for the most part add support for additional
  hardware in existing drivers or contain minor cleanups. Most of these
  are for the Qualcomm Snapdragon platform"

* tag 'soc-drivers-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (136 commits)
  bus: fsl-mc: Use common ranges functions
  soc: kunpeng_hccs: fix some sparse warnings about incorrect type
  soc: loongson2_pm: add power management support
  soc: dt-bindings: add loongson-2 pm
  soc: rockchip: grf: Fix SDMMC not working on RK3588 with bus-width > 1
  genpd: rockchip: Add PD_VO entry for rv1126
  bus: ti-sysc: Fix cast to enum warning
  soc: kunpeng_hccs: add MAILBOX dependency
  MAINTAINERS: remove OXNAS entry
  dt-bindings: interrupt-controller: arm,versatile-fpga-irq: mark oxnas compatible as deprecated
  irqchip: irq-versatile-fpga: remove obsolete oxnas compatible
  soc: qcom: aoss: Tidy up qmp_send() callers
  soc: qcom: aoss: Format string in qmp_send()
  soc: qcom: aoss: Move length requirements from caller
  soc: kunpeng_hccs: fix size_t format string
  soc: ti: k3-socinfo.c: Add JTAG ID for AM62PX
  dt-bindings: firmware: qcom: scm: Updating VMID list
  firmware: imx: scu-irq: support identifying SCU wakeup source from sysfs
  firmware: imx: scu-irq: enlarge the IMX_SC_IRQ_NUM_GROUP
  firmware: imx: scu-irq: add imx_scu_irq_get_status
  ...
2023-08-30 16:42:21 -07:00
Linus Torvalds
1a35914f73 integrity-v6.6
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Merge tag 'integrity-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull integrity subsystem updates from Mimi Zohar:

 - With commit 099f26f22f ("integrity: machine keyring CA
   configuration") certificates may be loaded onto the IMA keyring,
   directly or indirectly signed by keys on either the "builtin" or the
   "machine" keyrings.

   With the ability for the system/machine owner to sign the IMA policy
   itself without needing to recompile the kernel, update the IMA
   architecture specific policy rules to require the IMA policy itself
   be signed.

   [ As commit 099f26f22f was upstreamed in linux-6.4, updating the
     IMA architecture specific policy now to require signed IMA policies
     may break userspace expectations. ]

 - IMA only checked the file data hash was not on the system blacklist
   keyring for files with an appended signature (e.g. kernel modules,
   Power kernel image).

   Check all file data hashes regardless of how it was signed

 - Code cleanup, and a kernel-doc update

* tag 'integrity-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  kexec_lock: Replace kexec_mutex() by kexec_lock() in two comments
  ima: require signed IMA policy when UEFI secure boot is enabled
  integrity: Always reference the blacklist keyring with appraisal
  ima: Remove deprecated IMA_TRUSTED_KEYRING Kconfig
2023-08-30 09:16:56 -07:00
Linus Torvalds
d68b4b6f30 - An extensive rework of kexec and crash Kconfig from Eric DeVolder
("refactor Kconfig to consolidate KEXEC and CRASH options").
 
 - kernel.h slimming work from Andy Shevchenko ("kernel.h: Split out a
   couple of macros to args.h").
 
 - gdb feature work from Kuan-Ying Lee ("Add GDB memory helper
   commands").
 
 - vsprintf inclusion rationalization from Andy Shevchenko
   ("lib/vsprintf: Rework header inclusions").
 
 - Switch the handling of kdump from a udev scheme to in-kernel handling,
   by Eric DeVolder ("crash: Kernel handling of CPU and memory hot
   un/plug").
 
 - Many singleton patches to various parts of the tree
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Merge tag 'mm-nonmm-stable-2023-08-28-22-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - An extensive rework of kexec and crash Kconfig from Eric DeVolder
   ("refactor Kconfig to consolidate KEXEC and CRASH options")

 - kernel.h slimming work from Andy Shevchenko ("kernel.h: Split out a
   couple of macros to args.h")

 - gdb feature work from Kuan-Ying Lee ("Add GDB memory helper
   commands")

 - vsprintf inclusion rationalization from Andy Shevchenko
   ("lib/vsprintf: Rework header inclusions")

 - Switch the handling of kdump from a udev scheme to in-kernel
   handling, by Eric DeVolder ("crash: Kernel handling of CPU and memory
   hot un/plug")

 - Many singleton patches to various parts of the tree

* tag 'mm-nonmm-stable-2023-08-28-22-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (81 commits)
  document while_each_thread(), change first_tid() to use for_each_thread()
  drivers/char/mem.c: shrink character device's devlist[] array
  x86/crash: optimize CPU changes
  crash: change crash_prepare_elf64_headers() to for_each_possible_cpu()
  crash: hotplug support for kexec_load()
  x86/crash: add x86 crash hotplug support
  crash: memory and CPU hotplug sysfs attributes
  kexec: exclude elfcorehdr from the segment digest
  crash: add generic infrastructure for crash hotplug support
  crash: move a few code bits to setup support of crash hotplug
  kstrtox: consistently use _tolower()
  kill do_each_thread()
  nilfs2: fix WARNING in mark_buffer_dirty due to discarded buffer reuse
  scripts/bloat-o-meter: count weak symbol sizes
  treewide: drop CONFIG_EMBEDDED
  lockdep: fix static memory detection even more
  lib/vsprintf: declare no_hash_pointers in sprintf.h
  lib/vsprintf: split out sprintf() and friends
  kernel/fork: stop playing lockless games for exe_file replacement
  adfs: delete unused "union adfs_dirtail" definition
  ...
2023-08-29 14:53:51 -07:00
Linus Torvalds
b96a3e9142 - Some swap cleanups from Ma Wupeng ("fix WARN_ON in add_to_avail_list")
- Peter Xu has a series (mm/gup: Unify hugetlb, speed up thp") which
   reduces the special-case code for handling hugetlb pages in GUP.  It
   also speeds up GUP handling of transparent hugepages.
 
 - Peng Zhang provides some maple tree speedups ("Optimize the fast path
   of mas_store()").
 
 - Sergey Senozhatsky has improved te performance of zsmalloc during
   compaction (zsmalloc: small compaction improvements").
 
 - Domenico Cerasuolo has developed additional selftest code for zswap
   ("selftests: cgroup: add zswap test program").
 
 - xu xin has doe some work on KSM's handling of zero pages.  These
   changes are mainly to enable the user to better understand the
   effectiveness of KSM's treatment of zero pages ("ksm: support tracking
   KSM-placed zero-pages").
 
 - Jeff Xu has fixes the behaviour of memfd's
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED sysctl ("mm/memfd: fix sysctl
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED").
 
 - David Howells has fixed an fscache optimization ("mm, netfs, fscache:
   Stop read optimisation when folio removed from pagecache").
 
 - Axel Rasmussen has given userfaultfd the ability to simulate memory
   poisoning ("add UFFDIO_POISON to simulate memory poisoning with UFFD").
 
 - Miaohe Lin has contributed some routine maintenance work on the
   memory-failure code ("mm: memory-failure: remove unneeded PageHuge()
   check").
 
 - Peng Zhang has contributed some maintenance work on the maple tree
   code ("Improve the validation for maple tree and some cleanup").
 
 - Hugh Dickins has optimized the collapsing of shmem or file pages into
   THPs ("mm: free retracted page table by RCU").
 
 - Jiaqi Yan has a patch series which permits us to use the healthy
   subpages within a hardware poisoned huge page for general purposes
   ("Improve hugetlbfs read on HWPOISON hugepages").
 
 - Kemeng Shi has done some maintenance work on the pagetable-check code
   ("Remove unused parameters in page_table_check").
 
 - More folioification work from Matthew Wilcox ("More filesystem folio
   conversions for 6.6"), ("Followup folio conversions for zswap").  And
   from ZhangPeng ("Convert several functions in page_io.c to use a
   folio").
 
 - page_ext cleanups from Kemeng Shi ("minor cleanups for page_ext").
 
 - Baoquan He has converted some architectures to use the GENERIC_IOREMAP
   ioremap()/iounmap() code ("mm: ioremap: Convert architectures to take
   GENERIC_IOREMAP way").
 
 - Anshuman Khandual has optimized arm64 tlb shootdown ("arm64: support
   batched/deferred tlb shootdown during page reclamation/migration").
 
 - Better maple tree lockdep checking from Liam Howlett ("More strict
   maple tree lockdep").  Liam also developed some efficiency improvements
   ("Reduce preallocations for maple tree").
 
 - Cleanup and optimization to the secondary IOMMU TLB invalidation, from
   Alistair Popple ("Invalidate secondary IOMMU TLB on permission
   upgrade").
 
 - Ryan Roberts fixes some arm64 MM selftest issues ("selftests/mm fixes
   for arm64").
 
 - Kemeng Shi provides some maintenance work on the compaction code ("Two
   minor cleanups for compaction").
 
 - Some reduction in mmap_lock pressure from Matthew Wilcox ("Handle most
   file-backed faults under the VMA lock").
 
 - Aneesh Kumar contributes code to use the vmemmap optimization for DAX
   on ppc64, under some circumstances ("Add support for DAX vmemmap
   optimization for ppc64").
 
 - page-ext cleanups from Kemeng Shi ("add page_ext_data to get client
   data in page_ext"), ("minor cleanups to page_ext header").
 
 - Some zswap cleanups from Johannes Weiner ("mm: zswap: three
   cleanups").
 
 - kmsan cleanups from ZhangPeng ("minor cleanups for kmsan").
 
 - VMA handling cleanups from Kefeng Wang ("mm: convert to
   vma_is_initial_heap/stack()").
 
 - DAMON feature work from SeongJae Park ("mm/damon/sysfs-schemes:
   implement DAMOS tried total bytes file"), ("Extend DAMOS filters for
   address ranges and DAMON monitoring targets").
 
 - Compaction work from Kemeng Shi ("Fixes and cleanups to compaction").
 
 - Liam Howlett has improved the maple tree node replacement code
   ("maple_tree: Change replacement strategy").
 
 - ZhangPeng has a general code cleanup - use the K() macro more widely
   ("cleanup with helper macro K()").
 
 - Aneesh Kumar brings memmap-on-memory to ppc64 ("Add support for memmap
   on memory feature on ppc64").
 
 - pagealloc cleanups from Kemeng Shi ("Two minor cleanups for pcp list
   in page_alloc"), ("Two minor cleanups for get pageblock migratetype").
 
 - Vishal Moola introduces a memory descriptor for page table tracking,
   "struct ptdesc" ("Split ptdesc from struct page").
 
 - memfd selftest maintenance work from Aleksa Sarai ("memfd: cleanups
   for vm.memfd_noexec").
 
 - MM include file rationalization from Hugh Dickins ("arch: include
   asm/cacheflush.h in asm/hugetlb.h").
 
 - THP debug output fixes from Hugh Dickins ("mm,thp: fix sloppy text
   output").
 
 - kmemleak improvements from Xiaolei Wang ("mm/kmemleak: use
   object_cache instead of kmemleak_initialized").
 
 - More folio-related cleanups from Matthew Wilcox ("Remove _folio_dtor
   and _folio_order").
 
 - A VMA locking scalability improvement from Suren Baghdasaryan
   ("Per-VMA lock support for swap and userfaults").
 
 - pagetable handling cleanups from Matthew Wilcox ("New page table range
   API").
 
 - A batch of swap/thp cleanups from David Hildenbrand ("mm/swap: stop
   using page->private on tail pages for THP_SWAP + cleanups").
 
 - Cleanups and speedups to the hugetlb fault handling from Matthew
   Wilcox ("Change calling convention for ->huge_fault").
 
 - Matthew Wilcox has also done some maintenance work on the MM subsystem
   documentation ("Improve mm documentation").
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Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - Some swap cleanups from Ma Wupeng ("fix WARN_ON in
   add_to_avail_list")

 - Peter Xu has a series (mm/gup: Unify hugetlb, speed up thp") which
   reduces the special-case code for handling hugetlb pages in GUP. It
   also speeds up GUP handling of transparent hugepages.

 - Peng Zhang provides some maple tree speedups ("Optimize the fast path
   of mas_store()").

 - Sergey Senozhatsky has improved te performance of zsmalloc during
   compaction (zsmalloc: small compaction improvements").

 - Domenico Cerasuolo has developed additional selftest code for zswap
   ("selftests: cgroup: add zswap test program").

 - xu xin has doe some work on KSM's handling of zero pages. These
   changes are mainly to enable the user to better understand the
   effectiveness of KSM's treatment of zero pages ("ksm: support
   tracking KSM-placed zero-pages").

 - Jeff Xu has fixes the behaviour of memfd's
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED sysctl ("mm/memfd: fix sysctl
   MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED").

 - David Howells has fixed an fscache optimization ("mm, netfs, fscache:
   Stop read optimisation when folio removed from pagecache").

 - Axel Rasmussen has given userfaultfd the ability to simulate memory
   poisoning ("add UFFDIO_POISON to simulate memory poisoning with
   UFFD").

 - Miaohe Lin has contributed some routine maintenance work on the
   memory-failure code ("mm: memory-failure: remove unneeded PageHuge()
   check").

 - Peng Zhang has contributed some maintenance work on the maple tree
   code ("Improve the validation for maple tree and some cleanup").

 - Hugh Dickins has optimized the collapsing of shmem or file pages into
   THPs ("mm: free retracted page table by RCU").

 - Jiaqi Yan has a patch series which permits us to use the healthy
   subpages within a hardware poisoned huge page for general purposes
   ("Improve hugetlbfs read on HWPOISON hugepages").

 - Kemeng Shi has done some maintenance work on the pagetable-check code
   ("Remove unused parameters in page_table_check").

 - More folioification work from Matthew Wilcox ("More filesystem folio
   conversions for 6.6"), ("Followup folio conversions for zswap"). And
   from ZhangPeng ("Convert several functions in page_io.c to use a
   folio").

 - page_ext cleanups from Kemeng Shi ("minor cleanups for page_ext").

 - Baoquan He has converted some architectures to use the
   GENERIC_IOREMAP ioremap()/iounmap() code ("mm: ioremap: Convert
   architectures to take GENERIC_IOREMAP way").

 - Anshuman Khandual has optimized arm64 tlb shootdown ("arm64: support
   batched/deferred tlb shootdown during page reclamation/migration").

 - Better maple tree lockdep checking from Liam Howlett ("More strict
   maple tree lockdep"). Liam also developed some efficiency
   improvements ("Reduce preallocations for maple tree").

 - Cleanup and optimization to the secondary IOMMU TLB invalidation,
   from Alistair Popple ("Invalidate secondary IOMMU TLB on permission
   upgrade").

 - Ryan Roberts fixes some arm64 MM selftest issues ("selftests/mm fixes
   for arm64").

 - Kemeng Shi provides some maintenance work on the compaction code
   ("Two minor cleanups for compaction").

 - Some reduction in mmap_lock pressure from Matthew Wilcox ("Handle
   most file-backed faults under the VMA lock").

 - Aneesh Kumar contributes code to use the vmemmap optimization for DAX
   on ppc64, under some circumstances ("Add support for DAX vmemmap
   optimization for ppc64").

 - page-ext cleanups from Kemeng Shi ("add page_ext_data to get client
   data in page_ext"), ("minor cleanups to page_ext header").

 - Some zswap cleanups from Johannes Weiner ("mm: zswap: three
   cleanups").

 - kmsan cleanups from ZhangPeng ("minor cleanups for kmsan").

 - VMA handling cleanups from Kefeng Wang ("mm: convert to
   vma_is_initial_heap/stack()").

 - DAMON feature work from SeongJae Park ("mm/damon/sysfs-schemes:
   implement DAMOS tried total bytes file"), ("Extend DAMOS filters for
   address ranges and DAMON monitoring targets").

 - Compaction work from Kemeng Shi ("Fixes and cleanups to compaction").

 - Liam Howlett has improved the maple tree node replacement code
   ("maple_tree: Change replacement strategy").

 - ZhangPeng has a general code cleanup - use the K() macro more widely
   ("cleanup with helper macro K()").

 - Aneesh Kumar brings memmap-on-memory to ppc64 ("Add support for
   memmap on memory feature on ppc64").

 - pagealloc cleanups from Kemeng Shi ("Two minor cleanups for pcp list
   in page_alloc"), ("Two minor cleanups for get pageblock
   migratetype").

 - Vishal Moola introduces a memory descriptor for page table tracking,
   "struct ptdesc" ("Split ptdesc from struct page").

 - memfd selftest maintenance work from Aleksa Sarai ("memfd: cleanups
   for vm.memfd_noexec").

 - MM include file rationalization from Hugh Dickins ("arch: include
   asm/cacheflush.h in asm/hugetlb.h").

 - THP debug output fixes from Hugh Dickins ("mm,thp: fix sloppy text
   output").

 - kmemleak improvements from Xiaolei Wang ("mm/kmemleak: use
   object_cache instead of kmemleak_initialized").

 - More folio-related cleanups from Matthew Wilcox ("Remove _folio_dtor
   and _folio_order").

 - A VMA locking scalability improvement from Suren Baghdasaryan
   ("Per-VMA lock support for swap and userfaults").

 - pagetable handling cleanups from Matthew Wilcox ("New page table
   range API").

 - A batch of swap/thp cleanups from David Hildenbrand ("mm/swap: stop
   using page->private on tail pages for THP_SWAP + cleanups").

 - Cleanups and speedups to the hugetlb fault handling from Matthew
   Wilcox ("Change calling convention for ->huge_fault").

 - Matthew Wilcox has also done some maintenance work on the MM
   subsystem documentation ("Improve mm documentation").

* tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (489 commits)
  maple_tree: shrink struct maple_tree
  maple_tree: clean up mas_wr_append()
  secretmem: convert page_is_secretmem() to folio_is_secretmem()
  nios2: fix flush_dcache_page() for usage from irq context
  hugetlb: add documentation for vma_kernel_pagesize()
  mm: add orphaned kernel-doc to the rst files.
  mm: fix clean_record_shared_mapping_range kernel-doc
  mm: fix get_mctgt_type() kernel-doc
  mm: fix kernel-doc warning from tlb_flush_rmaps()
  mm: remove enum page_entry_size
  mm: allow ->huge_fault() to be called without the mmap_lock held
  mm: move PMD_ORDER to pgtable.h
  mm: remove checks for pte_index
  memcg: remove duplication detection for mem_cgroup_uncharge_swap
  mm/huge_memory: work on folio->swap instead of page->private when splitting folio
  mm/swap: inline folio_set_swap_entry() and folio_swap_entry()
  mm/swap: use dedicated entry for swap in folio
  mm/swap: stop using page->private on tail pages for THP_SWAP
  selftests/mm: fix WARNING comparing pointer to 0
  selftests: cgroup: fix test_kmem_memcg_deletion kernel mem check
  ...
2023-08-29 14:25:26 -07:00
Linus Torvalds
68cf01760b This update includes the following changes:
API:
 
 - Move crypto engine callback from tfm ctx into algorithm object.
 - Fix atomic sleep bug in crypto_destroy_instance.
 - Move lib/mpi into lib/crypto.
 
 Algorithms:
 
 - Add chacha20 and poly1305 implementation for powerpc p10.
 
 Drivers:
 
 - Add AES skcipher and aead support to starfive.
 - Add Dynamic Boost Control support to ccp.
 - Add support for STM32P13 platform to stm32.
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Merge tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Move crypto engine callback from tfm ctx into algorithm object
   - Fix atomic sleep bug in crypto_destroy_instance
   - Move lib/mpi into lib/crypto

  Algorithms:
   - Add chacha20 and poly1305 implementation for powerpc p10

  Drivers:
   - Add AES skcipher and aead support to starfive
   - Add Dynamic Boost Control support to ccp
   - Add support for STM32P13 platform to stm32"

* tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (149 commits)
  Revert "dt-bindings: crypto: qcom,prng: Add SM8450"
  crypto: chelsio - Remove unused declarations
  X.509: if signature is unsupported skip validation
  crypto: qat - fix crypto capability detection for 4xxx
  crypto: drivers - Explicitly include correct DT includes
  crypto: engine - Remove crypto_engine_ctx
  crypto: zynqmp - Use new crypto_engine_op interface
  crypto: virtio - Use new crypto_engine_op interface
  crypto: stm32 - Use new crypto_engine_op interface
  crypto: jh7110 - Use new crypto_engine_op interface
  crypto: rk3288 - Use new crypto_engine_op interface
  crypto: omap - Use new crypto_engine_op interface
  crypto: keembay - Use new crypto_engine_op interface
  crypto: sl3516 - Use new crypto_engine_op interface
  crypto: caam - Use new crypto_engine_op interface
  crypto: aspeed - Remove non-standard sha512 algorithms
  crypto: aspeed - Use new crypto_engine_op interface
  crypto: amlogic - Use new crypto_engine_op interface
  crypto: sun8i-ss - Use new crypto_engine_op interface
  crypto: sun8i-ce - Use new crypto_engine_op interface
  ...
2023-08-29 11:23:29 -07:00
Linus Torvalds
b547f9b300 power supply and reset changes for the 6.6 series
* core: avoid duplicate hwmon device from thermal framework
 * convert multiple drivers to devm_platform_ioremap_resource
 * at91-reset: add sysfs interface to the power on reason
 * misc. small fixes and improvements
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Merge tag 'for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:

 - core: avoid duplicate hwmon device from thermal framework

 - convert multiple drivers to devm_platform_ioremap_resource

 - at91-reset: add sysfs interface to the power on reason

 - misc small fixes and improvements

* tag 'for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: supply: qcom_pmi8998_charger: fix charger status
  power: supply: qcom_pmi8998_charger: remove CHARGE_CONTROL_LIMIT_* props
  power: supply: qcom_pmi8998_charger: fix uninitialized variable
  power: reset: oxnas-restart: remove obsolete restart driver
  power: supply: core: Avoid duplicate hwmon device from thermal framework
  power: reset: ocelot: Convert to devm_platform_ioremap_resource()
  power: reset: msm: Convert to devm_platform_ioremap_resource()
  power: reset: gemini-poweroff: Convert to devm_platform_ioremap_resource()
  power: reset: brcm-kona: Convert to devm_platform_ioremap_resource()
  power: reset: at91-sama5d2_shdwc: Convert to devm_platform_ioremap_resource()
  power: reset: at91-poweroff: Convert to devm_platform_ioremap_resource()
  power: reset: at91-reset: add sysfs interface to the power on reason
  power: supply: bd99954: make read-only array sub_status_reg
  power: supply: bq24190: Considers FORCE_20PCT when getting IPRECHG
  power: Explicitly include correct DT includes
2023-08-29 08:37:03 -07:00
Linus Torvalds
670f08971c chrome platform changes for 6.6
* Improvements
 
   - Remove shutdown timeout on EC panic for offering the filesystem a
     chance to sync.
   - Support official HID "GOOG0016" for ChromeOS ACPI.
 
 * Fixes
 
   - Print hex string instead of using "%s" for ACPI_TYPE_BUFFER.
 
 * Misc
 
   - Update MAINTAINERS.
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Merge tag 'tag-chrome-platform-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Tzung-Bi Shih:
 "Improvements:

  - Remove shutdown timeout on EC panic for offering the filesystem a
    chance to sync

  - Support official HID "GOOG0016" for ChromeOS ACPI

  Fixes:

  - Print hex string instead of using "%s" for ACPI_TYPE_BUFFER

  Misc:

  - Update MAINTAINERS"

* tag 'tag-chrome-platform-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: chromeos_acpi: print hex string for ACPI_TYPE_BUFFER
  platform/chrome: chromeos_acpi: support official HID GOOG0016
  platform/chrome: cros_ec_lpc: Remove EC panic shutdown timeout
  MAINTAINERS: update maintainers of chrome-platform
2023-08-28 17:49:33 -07:00
Linus Torvalds
6f49693a6c Updates for the CPU hotplug core:
- Support partial SMT enablement.
 
     So far the sysfs SMT control only allows to toggle between SMT on and
     off. That's sufficient for x86 which usually has at max two threads
     except for the Xeon PHI platform which has four threads per core.
 
     Though PowerPC has up to 16 threads per core and so far it's only
     possible to control the number of enabled threads per core via a
     command line option. There is some way to control this at runtime, but
     that lacks enforcement and the usability is awkward.
 
     This update expands the sysfs interface and the core infrastructure to
     accept numerical values so PowerPC can build SMT runtime control for
     partial SMT enablement on top.
 
     The core support has also been provided to the PowerPC maintainers who
     added the PowerPC related changes on top.
 
   - Minor cleanups and documentation updates.
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Merge tag 'smp-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull CPU hotplug updates from Thomas Gleixner:
 "Updates for the CPU hotplug core:

   - Support partial SMT enablement.

     So far the sysfs SMT control only allows to toggle between SMT on
     and off. That's sufficient for x86 which usually has at max two
     threads except for the Xeon PHI platform which has four threads per
     core

     Though PowerPC has up to 16 threads per core and so far it's only
     possible to control the number of enabled threads per core via a
     command line option. There is some way to control this at runtime,
     but that lacks enforcement and the usability is awkward

     This update expands the sysfs interface and the core infrastructure
     to accept numerical values so PowerPC can build SMT runtime control
     for partial SMT enablement on top

     The core support has also been provided to the PowerPC maintainers
     who added the PowerPC related changes on top

   - Minor cleanups and documentation updates"

* tag 'smp-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation: core-api/cpuhotplug: Fix state names
  cpu/hotplug: Remove unused function declaration cpu_set_state_online()
  cpu/SMT: Fix cpu_smt_possible() comment
  cpu/SMT: Allow enabling partial SMT states via sysfs
  cpu/SMT: Create topology_smt_thread_allowed()
  cpu/SMT: Remove topology_smt_supported()
  cpu/SMT: Store the current/max number of threads
  cpu/SMT: Move smt/control simple exit cases earlier
  cpu/SMT: Move SMT prototypes into cpu_smt.h
  cpu/hotplug: Remove dependancy against cpu_primary_thread_mask
2023-08-28 15:04:43 -07:00
Eric DeVolder
88a6f89944 crash: memory and CPU hotplug sysfs attributes
Introduce the crash_hotplug attribute for memory and CPUs for use by
userspace.  These attributes directly facilitate the udev rule for
managing userspace re-loading of the crash kernel upon hot un/plug
changes.

For memory, expose the crash_hotplug attribute to the
/sys/devices/system/memory directory.  For example:

 # udevadm info --attribute-walk /sys/devices/system/memory/memory81
  looking at device '/devices/system/memory/memory81':
    KERNEL=="memory81"
    SUBSYSTEM=="memory"
    DRIVER==""
    ATTR{online}=="1"
    ATTR{phys_device}=="0"
    ATTR{phys_index}=="00000051"
    ATTR{removable}=="1"
    ATTR{state}=="online"
    ATTR{valid_zones}=="Movable"

  looking at parent device '/devices/system/memory':
    KERNELS=="memory"
    SUBSYSTEMS==""
    DRIVERS==""
    ATTRS{auto_online_blocks}=="offline"
    ATTRS{block_size_bytes}=="8000000"
    ATTRS{crash_hotplug}=="1"

For CPUs, expose the crash_hotplug attribute to the
/sys/devices/system/cpu directory. For example:

 # udevadm info --attribute-walk /sys/devices/system/cpu/cpu0
  looking at device '/devices/system/cpu/cpu0':
    KERNEL=="cpu0"
    SUBSYSTEM=="cpu"
    DRIVER=="processor"
    ATTR{crash_notes}=="277c38600"
    ATTR{crash_notes_size}=="368"
    ATTR{online}=="1"

  looking at parent device '/devices/system/cpu':
    KERNELS=="cpu"
    SUBSYSTEMS==""
    DRIVERS==""
    ATTRS{crash_hotplug}=="1"
    ATTRS{isolated}==""
    ATTRS{kernel_max}=="8191"
    ATTRS{nohz_full}=="  (null)"
    ATTRS{offline}=="4-7"
    ATTRS{online}=="0-3"
    ATTRS{possible}=="0-7"
    ATTRS{present}=="0-3"

With these sysfs attributes in place, it is possible to efficiently
instruct the udev rule to skip crash kernel reloading for kernels
configured with crash hotplug support.

For example, the following is the proposed udev rule change for RHEL
system 98-kexec.rules (as the first lines of the rule file):

 # The kernel updates the crash elfcorehdr for CPU and memory changes
 SUBSYSTEM=="cpu", ATTRS{crash_hotplug}=="1", GOTO="kdump_reload_end"
 SUBSYSTEM=="memory", ATTRS{crash_hotplug}=="1", GOTO="kdump_reload_end"

When examined in the context of 98-kexec.rules, the above rules test if
crash_hotplug is set, and if so, the userspace initiated
unload-then-reload of the crash kernel is skipped.

CPU and memory checks are separated in accordance with CONFIG_HOTPLUG_CPU
and CONFIG_MEMORY_HOTPLUG kernel config options.  If an architecture
supports, for example, memory hotplug but not CPU hotplug, then the
/sys/devices/system/memory/crash_hotplug attribute file is present, but
the /sys/devices/system/cpu/crash_hotplug attribute file will NOT be
present.  Thus the udev rule skips userspace processing of memory hot
un/plug events, but the udev rule will evaluate false for CPU events, thus
allowing userspace to process CPU hot un/plug events (ie the
unload-then-reload of the kdump capture kernel).

Link: https://lkml.kernel.org/r/20230814214446.6659-5-eric.devolder@oracle.com
Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>
Reviewed-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Acked-by: Hari Bathini <hbathini@linux.ibm.com>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Akhil Raj <lf32.dev@gmail.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Mimi Zohar <zohar@linux.ibm.com>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Weißschuh <linux@weissschuh.net>
Cc: Valentin Schneider <vschneid@redhat.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-24 16:25:14 -07:00
Vadim Pasternak
42bab8eac4 Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
Add documentation for the new attributes:
- CPLD versioning: "cpld5_pn", "cpld5_version", "cpld5_version_min".
- JTAG capability: "jtag_cap", indicating the available method of
  CPLD/FPGA devices field update.
- System lid status: "lid_open".
- Reset caused by long press of power button: "reset_long_pwr_pb".
- Reset caused by switch board DC-DC converter device failure:
  "reset_swb_dc_dc_pwr_fail".

Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230822113451.13785-17-vadimp@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-08-23 17:31:30 +02:00
David Thompson
7e38a7422f mlxbf-bootctl: Support sysfs entries for MFG fields
This patch extends the mlxbf-bootctl driver's sysfs entries
to support read and write access for the manufacturing (MFG)
fields in the board-level EEPROM.  The MFG fields are set
once during the board manufacturing phase, and then the MFG
fields are write-protected.

Signed-off-by: David Thompson <davthompson@nvidia.com>
Reviewed-by: Shravan Kumar Ramani <shravankr@nvidia.com>
Link: https://lore.kernel.org/r/20230821183939.3229-1-davthompson@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-08-23 17:31:27 +02:00
Marek Behún
44f0fb8dfe leds: trigger: netdev: rename 'hw_control' sysfs entry to 'offloaded'
Commit b655892ffd ("leds: trigger: netdev: expose hw_control status
via sysfs") exposed to sysfs the flag that tells whether the LED trigger
is offloaded to hardware, under the name "hw_control", since that is the
name under which this setting is called in the code.

Everywhere else in kernel when some work that is normally done in
software can be made to be done by hardware instead, we use the word
"offloading" to describe this, e.g. "LED blinking is offloaded to
hardware".

Normally renaming sysfs entries is a no-go because of backwards
compatibility. But since this patch was not yet released in a stable
kernel, I think it is still possible to rename it, if there is
consensus.

Fixes: b655892ffd ("leds: trigger: netdev: expose hw_control status via sysfs")
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230821121453.30203-1-kabel@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-22 11:02:29 -07:00
Greg Kroah-Hartman
a65ce15718 First set of Counter updates for the 6.6 cycle
This set consists primarily of minor clean-ups. The counter_priv()
 'const' attribute change does yield a small improvement in reducing
 the binary size.
 
 Changes
 * rz-mtu3-cnt
   - Reorder locking sequence for consistency
 * Documentation
   - sysfs-bus-counter: Fix indentation
 * counter
   - Declare counter_priv() to be const
 * microchip-tcb-capture
   - Explicitly include correct DT includes
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Merge tag 'counter-updates-for-6.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/wbg/counter into char-misc-next

William writes:

First set of Counter updates for the 6.6 cycle

This set consists primarily of minor clean-ups. The counter_priv()
'const' attribute change does yield a small improvement in reducing
the binary size.

Changes
* rz-mtu3-cnt
  - Reorder locking sequence for consistency
* Documentation
  - sysfs-bus-counter: Fix indentation
* counter
  - Declare counter_priv() to be const
* microchip-tcb-capture
  - Explicitly include correct DT includes

* tag 'counter-updates-for-6.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/wbg/counter:
  counter: rz-mtu3-cnt: Reorder locking sequence for consistency
  Documentation: ABI: sysfs-bus-counter: Fix indentation
  counter: Declare counter_priv() to be const
  counter: Explicitly include correct DT includes
2023-08-22 15:53:38 +02:00
Greg Kroah-Hartman
7ccecc84ef thunderbolt: Changes for v6.6 merge window
This includes following Thunderbolt/USB4 changes for the v6.6 merge
 window:
 
   - Replace broken mailing list address in the ABI document
   - Small improvements.
 
 All these have been in linux-next with no reported issues.
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Merge tag 'thunderbolt-for-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next

Mika writes:

thunderbolt: Changes for v6.6 merge window

This includes following Thunderbolt/USB4 changes for the v6.6 merge
window:

  - Replace broken mailing list address in the ABI document
  - Small improvements.

All these have been in linux-next with no reported issues.

* tag 'thunderbolt-for-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
  Documentation/ABI: thunderbolt: Replace 01.org in contact
  thunderbolt: Check Intel vendor ID in tb_switch_get_generation()
  thunderbolt: Log a warning if device links are not found
  thunderbolt: Set variable tmu_params storage class specifier to static
2023-08-22 14:22:35 +02:00
SeongJae Park
d3d21d91ae Docs/ABI/damon: update for DAMON monitoring target type DAMOS filter
Update DAMON ABI document for the newly added DAMON monitoring target type
DAMOS filter.

Link: https://lkml.kernel.org/r/20230802214312.110532-13-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-21 13:37:38 -07:00
SeongJae Park
2beb97fcbf Docs/ABI/damon: update for address range DAMOS filter
Update DAMON ABI document for address ranges type DAMOS filter files.

Link: https://lkml.kernel.org/r/20230802214312.110532-7-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-21 13:37:36 -07:00
SeongJae Park
e91b5ccf1f Docs/ABI/damon: update for tried_regions/total_bytes
Update the DAMON ABI document for newly added
schemes/.../tried_regions/total_bytes file and the
update_schemes_tried_bytes command.

Link: https://lkml.kernel.org/r/20230802213222.109841-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-21 13:37:35 -07:00
Chao Yu
726865e69a f2fs: doc: fix description of max_small_discards
The description of max_small_discards is out-of-update in below two
aspects, fix it.
- it is disabled by default
- small discards will be issued during checkpoint

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-08-18 14:28:26 -07:00
Bjorn Helgaas
ebab9426cd Documentation/ABI: Fix typos
Fix typos in Documentation/ABI.  The changes are in descriptions or
comments where they shouldn't affect use of the ABIs.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230814212822.193684-2-helgaas@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2023-08-18 11:28:40 -06:00
Randy Dunlap
d03668803b HWPOISON: offline support: fix spelling in Documentation/ABI/
Correct spelling problems as identified by codespell.

Link: https://lkml.kernel.org/r/20230710052223.18254-1-rdunlap@infradead.org
Fixes: facb6011f3 ("HWPOISON: Add soft page offline support")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-18 10:12:18 -07:00
Jean-Jacques Hiblot
c7d80059b0 leds: class: Store the color index in struct led_classdev
Store the color of the LED so that it is not lost after the LED's
name has been composed. This color information can then be exposed to
the user space or used by the LED consumer.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@traphandler.com>
Link: https://lore.kernel.org/r/20230728153731.3742339-3-jjhiblot@traphandler.com
Signed-off-by: Lee Jones <lee@kernel.org>
2023-08-17 09:00:34 +01:00
Kajol Jain
8df9906694 docs: ABI: sysfs-bus-event_source-devices-hv_gpci: Document affinity_domain_via_partition sysfs interface file
Add details of the new hv-gpci interface file called
"affinity_domain_via_partition" in the ABI documentation.

Reviewed-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230729073455.7918-11-kjain@linux.ibm.com
2023-08-16 23:54:49 +10:00
Kajol Jain
ab7e991286 docs: ABI: sysfs-bus-event_source-devices-hv_gpci: Document affinity_domain_via_domain sysfs interface file
Add details of the new hv-gpci interface file called
"affinity_domain_via_domain" in the ABI documentation.

Reviewed-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230729073455.7918-9-kjain@linux.ibm.com
2023-08-16 23:54:49 +10:00
Kajol Jain
cc89ff3491 docs: ABI: sysfs-bus-event_source-devices-hv_gpci: Document affinity_domain_via_virtual_processor sysfs interface file
Add details of the new hv-gpci interface file called
"affinity_domain_via_virtual_processor" in the ABI documentation.

Reviewed-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230729073455.7918-7-kjain@linux.ibm.com
2023-08-16 23:54:49 +10:00
Kajol Jain
3255171d3e docs: ABI: sysfs-bus-event_source-devices-hv_gpci: Document processor_config sysfs interface file
Add details of the new hv-gpci interface file called
"processor_config" in the ABI documentation.

Reviewed-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230729073455.7918-5-kjain@linux.ibm.com
2023-08-16 23:54:49 +10:00
Kajol Jain
9caf9e2b8b docs: ABI: sysfs-bus-event_source-devices-hv_gpci: Document processor_bus_topology sysfs interface file
Add details of the new hv-gpci interface file called
"processor_bus_topology" in the ABI documentation.

Reviewed-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230729073455.7918-3-kjain@linux.ibm.com
2023-08-16 23:54:49 +10:00
Biju Das
3a91388002 Documentation: ABI: sysfs-bus-counter: Fix indentation
Fix the indentation of the KernelVersion, Contact, and Description in
external_input_phase_clock_select_available block by replacing
spaces with tabs similar to other blocks.

Reported-by: Pavel Machek <pavel@denx.de>
Closes: https://lore.kernel.org/r/ZH8D3lCobUJP2T4K@duo.ucw.cz/
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20230721151243.282435-1-biju.das.jz@bp.renesas.com/
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
2023-08-16 09:41:29 -04:00
Randy Dunlap
c709d099a0 f2fs: fix spelling in ABI documentation
Correct spelling problems as identified by codespell.

Fixes: 9e615dbba4 ("f2fs: add missing description for ipu_policy node")
Fixes: b2e4a2b300 ("f2fs: expose discard related parameters in sysfs")
Fixes: 846ae671ad ("f2fs: expose extension_list sysfs entry")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Chao Yu <chao@kernel.org>
Cc: linux-f2fs-devel@lists.sourceforge.net
Cc: Yangtao Li <frank.li@vivo.com>
Cc: Konstantin Vyshetsky <vkon@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2023-08-14 13:41:07 -07:00
Greg Kroah-Hartman
bbb9e06d2c Merge 6.5-rc6 into usb-next
We need the USB and Thunderbolt fixes in here to build on.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-08-14 22:22:31 +02:00
Greg Kroah-Hartman
e75850b457 Merge 6.5-rc6 into char-misc-next
We need the char/misc fixes in here as well to build on top of.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-08-13 22:14:51 +02:00
Arnd Bergmann
bb2974ffff HiSilicon driver updates for v6.6
- Add HCCS driver for HiSilicon Kunpeng SoC and document the sysfs description
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Merge tag 'hisi-drivers-for-6.6' of https://github.com/hisilicon/linux-hisi into soc/drivers

HiSilicon driver updates for v6.6

- Add HCCS driver for HiSilicon Kunpeng SoC and document the sysfs description

* tag 'hisi-drivers-for-6.6' of https://github.com/hisilicon/linux-hisi:
  doc: soc: hisilicon: Add Kunpeng HCCS driver documentation
  soc: hisilicon: add sysfs entry to query information of HCCS
  soc: hisilicon: Support HCCS driver on Kunpeng SoC

Link: https://lore.kernel.org/r/64D605DE.2070303@hisilicon.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-08-12 12:10:46 +02:00
Greg Kroah-Hartman
25a7de32c8 MHI Host
========
 
 Core
 ----
 
 - Skipped MHI reset if the device is in RDDM EE (Ramdump mode) since the device
   cannot process reset request.
 
 - Updated the sysfs contact details to use MHI list instead of bouncing
   codeaurora email ids.
 
 - Added support to allow MHI client drivers to provide the device firmware via
   a pointer. This is required to support new firmware format to be used by
   ath11k drivers.
 
 - Used vcalloc instead of vzalloc to protect against multiplication overflows.
 
 - Removed decrementing one unused parameter.
 
 pci_generic
 -----------
 
 - Added support for MHI SW channels (IP_SW0) so that the host can transfer data
   from devices over networking interface through this specific channel.
 
 - Added support for a clone of Quectel RM520N-GL modem which uses a different
   PID as it is targeted for laptop usecase.
 
 - Added support for a clone of Quectel EM160R-GL modem which uses a different
   PID as it is targeted for laptop usecase.
 
 - Added support for another clone of Quectel RM520N-GL modem which uses a
   different PID as it is targeted for Lenovo laptop usecase.
 
 - Added support for Dell DW5932e modem (both eSIM and non-eSIM variants).
 
 - Added support for Telit FE990 modem.
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Merge tag 'mhi-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next

Manivannan writes:

MHI Host
========

Core
----

- Skipped MHI reset if the device is in RDDM EE (Ramdump mode) since the device
  cannot process reset request.

- Updated the sysfs contact details to use MHI list instead of bouncing
  codeaurora email ids.

- Added support to allow MHI client drivers to provide the device firmware via
  a pointer. This is required to support new firmware format to be used by
  ath11k drivers.

- Used vcalloc instead of vzalloc to protect against multiplication overflows.

- Removed decrementing one unused parameter.

pci_generic
-----------

- Added support for MHI SW channels (IP_SW0) so that the host can transfer data
  from devices over networking interface through this specific channel.

- Added support for a clone of Quectel RM520N-GL modem which uses a different
  PID as it is targeted for laptop usecase.

- Added support for a clone of Quectel EM160R-GL modem which uses a different
  PID as it is targeted for laptop usecase.

- Added support for another clone of Quectel RM520N-GL modem which uses a
  different PID as it is targeted for Lenovo laptop usecase.

- Added support for Dell DW5932e modem (both eSIM and non-eSIM variants).

- Added support for Telit FE990 modem.

* tag 'mhi-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
  bus: mhi: host: pci_generic: add support for Telit FE990 modem
  bus: mhi: host: remove unused-but-set parameter
  bus: mhi: host: pci_generic: Add support for Quectel RM520N-GL Lenovo variant
  bus: mhi: host: allow MHI client drivers to provide the firmware via a pointer
  docs: ABI: sysfs-bus-mhi: Update contact info
  bus: mhi: host: use vmalloc_array and vcalloc
  bus: mhi: host: pci_generic: Add support for Dell DW5932e
  bus: mhi: host: pci_generic: Add support for Quectel RM520N-GL modem
  bus: mhi: host: pci_generic: Add support for Quectel EM160R-GL modem
  bus: mhi: host: pci_generic: Add support for IP_SW0 channels
  bus: mhi: host: Skip MHI reset if device is in RDDM
2023-08-11 21:26:23 +02:00
Greg Kroah-Hartman
22884cf84c FSI changes for v6.6
* New drivers for the I2C Responder master and SCOM device
 
  * Misc janitor fixes
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Merge tag 'fsi-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi into char-misc-next

Joen writes:

FSI changes for v6.6

 * New drivers for the I2C Responder master and SCOM device

 * Misc janitor fixes

* tag 'fsi-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/fsi:
  fsi: fix some spelling mistakes in comment
  fsi: master-ast-cf: Add MODULE_FIRMWARE macro
  docs: ABI: fix spelling/grammar in SBEFIFO timeout interface
  fsi: Add I2C Responder SCOM driver
  fsi: Add IBM I2C Responder virtual FSI master
  dt-bindings: fsi: Document the IBM I2C Responder virtual FSI master
  fsi: Lock mutex for master device registration
  fsi: Improve master indexing
  fsi: core: Switch to ida_alloc/free
  fsi: core: Fix legacy minor numbering
  fsi: core: Add trace events for scan and unregister
  fsi: aspeed: Reset master errors after CFAM reset
  fsi: sbefifo: Remove limits on user-specified read timeout
  fsi: sbefifo: Add configurable in-command timeout
  fsi: sbefifo: Don't check status during probe
  fsi: Use of_match_table for bus matching if specified
  fsi: Add aliased device numbering
  fsi: Move fsi_slave structure definition to header
  fsi: Use of_property_read_reg() to parse "reg"
  fsi: Explicitly include correct DT includes
2023-08-11 21:24:31 +02:00
Greg Kroah-Hartman
43fbd50649 1st set of IIO new device support, features and cleanup for 6.6
New device support
 * adi,ad8366
   - Add support for the HMC792 digital attenuator (mostly chip specific data)
 * alwinner,sun20i-gpadc
   - New driver for the integrated ADC on a number of allwinner SoCs
     including dt-binding documentation.
 * microchip,mcp4728
   - New driver for this quad channel DAC. Includes dt-bindings.
 * miramems, da280
   - Add ID for DA217 accelerometer which is compatible with the da280.
 * murata,irs-d200
   - New driver for this passive infrared sensor typically used for human
     detection. Includes bindings and a few pieces of new ABI to
     cover a case of needing to count a number of repeats of an event
     before reporting it.
 * rohm,bu27008
   - Add initial support for the BU27010 RGB + flickering sensor to this
     driver. Substantial refactoring was needed to enable this.
 
 Features
 * adi,admv8818
   - Add mode that bypasses the input and output filters.
 * amlogic,meson
   - Support control of the MUX on channel 7, exposed as multiple channels.
   - Support channel labels.
 * sensirion,scd4x
   - Add pressure compensation. Controlled via an 'output' pressure channel.
 * ti,lmp92040
   - Add IIO buffered supported (read via chrdev).
 * vishay,vcnl4000
   - Add proximity interrupt support for vcnl4200.
   - Add proximity integration time control for vcnl4200.
   - Add illuminance integration time control for vcnl4040 and vcnl4200.
   - Add calibration bias, proximity and illuminance event period, and
     oversampling ratio control for vcnl4040 and vncl4200.
 
 Cleanup and minor fixes
 * core
   - Tidy up handling of set_trigger_state() callback return values
     to consistently assume no positive return values.
   - Use min() rather than min_t() in a case where types were clearly
     the same.
   - Drop some else statements that follow continue with a loop or
     a returns.
   - White space and comment format cleanup.
   - Use sysfs_match_string() helper to improve readability.
   - Use krealloc_array() to make it explicit a krealloc is for an array
     of structures, not just one.
 * tools
   - Tidy up potential overflow in array index.
 * tree wide
   - Fix up includes for DT related headers.
   - Drop some error prints in places where as similar error message
     is printed by the function being called.
   - Tidy up handling of return value from platform_get_irq() to no longer
     take into account 0 as a value that might be returned. Similar for
     fwnode_irq_get().
 * adi,ad7192
   - Add missing error check and improved debug logging.
   - Use sysfs_emit_at() rather than open coded variant.
 * adi,adis16475
   - Drop unused scan element enum entries.
   - Specify that a few more devices support burst32 mode.
 * adi,admv1013
   - Enable all required regulators and document as required in the
     dt-binding.
 * adi,admv1014
   - Make all regulators required in the dt-binding as the device needs
     them all enabled.
 * adi,adxl313
   - Fix wrong enum values being used in the i2c_device_id table.
   - Use i2c_get_match_data() to reduce open coded handling of the
     various id tables.
 * allwinner,gpadc
   - Make the kconfig text more specific to make space for separate drivers
     for other Allwinner devices.
 * amlogic,meson
   - Drop unused timestamp channels as no buffer support.
   - Various minor reorganizations to enable addition of support channel 7
     MUX.
   - Initialize some default values to account for potential previous user
     since reboot.
 * qcom,spmi-adc5
   - Add ADC5_GPIO2_100K_PU support to driver to line up with bindings.
 * qcom,spmi-adc7
   - Use predefined channel ID definitions rather than values.
 * invensense, common
   - Factor out the timestamp handling to a module used by both mpu6050 and
     icm42600.
 * invensense,mpu6050
   - Read as many FIFO elements as possible in one bus access.
 * men,s188
   - Drop redundant initialization of driver owner field.
 * microchip,mcp4018 and mcp4531
   - Use i2c_get_match_data() instead of open coding. Includes making the
     data format the same for the i2c_device_id and firmware match
     tables.
 * semtech,sx9310
   - dt-bindings: Add reference to IIO schema to provide the label property.
 * semtech,sx9324
   - dt-bindings: Add reference to IIO schema to provide the label property.
 * st,stm32-adc
   - Use devm_platform_get_and_ioremap_resource() instead of open coded
     version.
 * st,stm-lptimer-trigger
   - Drop setting platform drvdata as it wasn't then used.
 * ti,ads1015
   - Fix wrong dt binding description of ti,datarate for some devices.
 * vishay,vcnl4200
   - Move to switch statements for channel type checking to make later
     additions simpler.
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Merge tag 'iio-for-6.6a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

1st set of IIO new device support, features and cleanup for 6.6

New device support
* adi,ad8366
  - Add support for the HMC792 digital attenuator (mostly chip specific data)
* alwinner,sun20i-gpadc
  - New driver for the integrated ADC on a number of allwinner SoCs
    including dt-binding documentation.
* microchip,mcp4728
  - New driver for this quad channel DAC. Includes dt-bindings.
* miramems, da280
  - Add ID for DA217 accelerometer which is compatible with the da280.
* murata,irs-d200
  - New driver for this passive infrared sensor typically used for human
    detection. Includes bindings and a few pieces of new ABI to
    cover a case of needing to count a number of repeats of an event
    before reporting it.
* rohm,bu27008
  - Add initial support for the BU27010 RGB + flickering sensor to this
    driver. Substantial refactoring was needed to enable this.

Features
* adi,admv8818
  - Add mode that bypasses the input and output filters.
* amlogic,meson
  - Support control of the MUX on channel 7, exposed as multiple channels.
  - Support channel labels.
* sensirion,scd4x
  - Add pressure compensation. Controlled via an 'output' pressure channel.
* ti,lmp92040
  - Add IIO buffered supported (read via chrdev).
* vishay,vcnl4000
  - Add proximity interrupt support for vcnl4200.
  - Add proximity integration time control for vcnl4200.
  - Add illuminance integration time control for vcnl4040 and vcnl4200.
  - Add calibration bias, proximity and illuminance event period, and
    oversampling ratio control for vcnl4040 and vncl4200.

Cleanup and minor fixes
* core
  - Tidy up handling of set_trigger_state() callback return values
    to consistently assume no positive return values.
  - Use min() rather than min_t() in a case where types were clearly
    the same.
  - Drop some else statements that follow continue with a loop or
    a returns.
  - White space and comment format cleanup.
  - Use sysfs_match_string() helper to improve readability.
  - Use krealloc_array() to make it explicit a krealloc is for an array
    of structures, not just one.
* tools
  - Tidy up potential overflow in array index.
* tree wide
  - Fix up includes for DT related headers.
  - Drop some error prints in places where as similar error message
    is printed by the function being called.
  - Tidy up handling of return value from platform_get_irq() to no longer
    take into account 0 as a value that might be returned. Similar for
    fwnode_irq_get().
* adi,ad7192
  - Add missing error check and improved debug logging.
  - Use sysfs_emit_at() rather than open coded variant.
* adi,adis16475
  - Drop unused scan element enum entries.
  - Specify that a few more devices support burst32 mode.
* adi,admv1013
  - Enable all required regulators and document as required in the
    dt-binding.
* adi,admv1014
  - Make all regulators required in the dt-binding as the device needs
    them all enabled.
* adi,adxl313
  - Fix wrong enum values being used in the i2c_device_id table.
  - Use i2c_get_match_data() to reduce open coded handling of the
    various id tables.
* allwinner,gpadc
  - Make the kconfig text more specific to make space for separate drivers
    for other Allwinner devices.
* amlogic,meson
  - Drop unused timestamp channels as no buffer support.
  - Various minor reorganizations to enable addition of support channel 7
    MUX.
  - Initialize some default values to account for potential previous user
    since reboot.
* qcom,spmi-adc5
  - Add ADC5_GPIO2_100K_PU support to driver to line up with bindings.
* qcom,spmi-adc7
  - Use predefined channel ID definitions rather than values.
* invensense, common
  - Factor out the timestamp handling to a module used by both mpu6050 and
    icm42600.
* invensense,mpu6050
  - Read as many FIFO elements as possible in one bus access.
* men,s188
  - Drop redundant initialization of driver owner field.
* microchip,mcp4018 and mcp4531
  - Use i2c_get_match_data() instead of open coding. Includes making the
    data format the same for the i2c_device_id and firmware match
    tables.
* semtech,sx9310
  - dt-bindings: Add reference to IIO schema to provide the label property.
* semtech,sx9324
  - dt-bindings: Add reference to IIO schema to provide the label property.
* st,stm32-adc
  - Use devm_platform_get_and_ioremap_resource() instead of open coded
    version.
* st,stm-lptimer-trigger
  - Drop setting platform drvdata as it wasn't then used.
* ti,ads1015
  - Fix wrong dt binding description of ti,datarate for some devices.
* vishay,vcnl4200
  - Move to switch statements for channel type checking to make later
    additions simpler.

* tag 'iio-for-6.6a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (73 commits)
  Documentation: ABI: testing: admv8818: add bypass
  drivers: iio: filter: admv8818: add bypass mode
  iio: light: bd27008: Support BD27010 RGB
  iio: light: bu27008: add chip info
  dt-bindings: iio: ROHM BU27010 RGBC + flickering sensor
  iio: add MCP4728 I2C DAC driver
  dt-bindings: iio: dac: add mcp4728.yaml
  drivers: iio: admv1013: add vcc regulators
  dt-bindings: iio: admv1013: add vcc regulators
  iio: trigger: stm32-lptimer-trigger: remove unneeded platform_set_drvdata()
  iio: adc: men_z188_adc: Remove redundant initialization owner in men_z188_driver
  dt-bindings: iio: admv1014: make all regs required
  iio: cdc: ad7150: relax return value check for IRQ get
  iio: mb1232: relax return value check for IRQ get
  iio: adc: fix the return value handle for platform_get_irq()
  tools: iio: iio_generic_buffer: Fix some integer type and calculation
  iio: potentiometer: mcp4531: Use i2c_get_match_data()
  iio: potentiometer: mcp4018: Use i2c_get_match_data()
  iio: core: Fix issues and style of the comments
  iio: core: Switch to krealloc_array()
  ...
2023-08-11 21:22:33 +02:00
Randy Dunlap
2cd9ec2a51 docs: ABI: fix spelling/grammar in SBEFIFO timeout interface
Correct spelling problems as identified by codespell.
Correct one grammar error.

Fixes: 9a93de620e ("docs: ABI: testing: Document the SBEFIFO timeout interface")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Eddie James <eajames@linux.ibm.com>
Cc: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20230710052305.29611-1-rdunlap@infradead.org
Signed-off-by: Joel Stanley <joel@jms.id.au>
2023-08-11 13:32:14 +09:30
Linus Torvalds
30813656c6 dmaengine fixes for v6.5
- HAS_IOMEM fixes for fsl edma and intel idma
 - Return value fix, interrupt vector setting and typo fix for xilinx xdma
 - Email updates for codeaurora email domain move
 - correct pause status for pl330 driver
 - idxd clear flag on disable fix
 - function documentation fix for owl dma
 - potential un-allocated memory fix for mcf driver
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Merge tag 'dmaengine-fix-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine fixes from Vinod Koul:

 - HAS_IOMEM fixes for fsl edma and intel idma

 - return-value fix, interrupt vector setting and typo fix for xilinx
   xdma

 - email updates for codeaurora email domain move

 - correct pause status for pl330 driver

 - idxd clear flag on disable fix

 - function documentation fix for owl dma

 - potential un-allocated memory fix for mcf driver

* tag 'dmaengine-fix-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
  dmaengine: xilinx: xdma: Fix typo
  dmaengine: xilinx: xdma: Fix interrupt vector setting
  dmaengine: owl-dma: Modify mismatched function name
  dmaengine: idxd: Clear PRS disable flag when disabling IDXD device
  dmaengine: pl330: Return DMA_PAUSED when transaction is paused
  dmaengine: qcom_hidma: Update codeaurora email domain
  dmaengine: mcf-edma: Fix a potential un-allocated memory access
  dmaengine: xilinx: xdma: Fix Judgment of the return value
  idmaengine: make FSL_EDMA and INTEL_IDMA64 depends on HAS_IOMEM
2023-08-10 11:32:26 -07:00
Tzung-Bi Shih
0820debb7d platform/chrome: chromeos_acpi: print hex string for ACPI_TYPE_BUFFER
`element->buffer.pointer` should be binary blob.  `%s` doesn't work
perfect for them.

Print hex string for ACPI_TYPE_BUFFER.  Also update the documentation
to reflect this.

Fixes: 0a4cad9c11 ("platform/chrome: Add ChromeOS ACPI device driver")
Cc: stable@vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230803011245.3773756-1-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
2023-08-10 11:10:56 +08:00
Alan Stern
f176638af4 USB: Remove Wireless USB and UWB documentation
Support for Wireless USB and Ultra WideBand was removed in 2020 by
commit caa6772db4 ("Staging: remove wusbcore and UWB from the kernel
tree.").  But the documentation files were left behind.

Let's get rid of that out-of-date documentation.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/015d4310-bcd3-4ba4-9a0e-3664f281a9be@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-08-09 14:17:32 +02:00
Huisong Li
b51022b416 doc: soc: hisilicon: Add Kunpeng HCCS driver documentation
Document the sysfs attributes description provided by HCCS driver on
Kunpeng SoC.

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
2023-08-08 12:36:31 +00:00
Antoniu Miclaus
14b7447cec Documentation: ABI: testing: admv8818: add bypass
Add documentation for the use of the bypass filter mode.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20230731084928.8302-2-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-08-08 09:51:06 +01:00
Mika Westerberg
a3f6445842 Documentation/ABI: thunderbolt: Replace 01.org in contact
The mailing list on 01.org does not work anymore and the whole site
redirects to intel.com Open Source page so replace the 01.org address
with my email address.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2023-08-08 08:13:22 +03:00
Linus Torvalds
64094e7e31 Mitigate Gather Data Sampling issue
* Add Base GDS mitigation
  * Support GDS_NO under KVM
  * Fix a documentation typo
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Merge tag 'gds-for-linus-2023-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86/gds fixes from Dave Hansen:
 "Mitigate Gather Data Sampling issue:

   - Add Base GDS mitigation

   - Support GDS_NO under KVM

   - Fix a documentation typo"

* tag 'gds-for-linus-2023-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation/x86: Fix backwards on/off logic about YMM support
  KVM: Add GDS_NO support to KVM
  x86/speculation: Add Kconfig option for GDS
  x86/speculation: Add force option to GDS mitigation
  x86/speculation: Add Gather Data Sampling mitigation
2023-08-07 17:03:54 -07:00
Tzung-Bi Shih
703e77134e platform/chrome: chromeos_acpi: support official HID GOOG0016
Support official HID GOOG0016 for ChromeOS ACPI (see [1]).

[1]: https://crrev.com/c/2266713

Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20230731024214.908235-1-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
2023-08-07 11:00:02 +08:00
Jeffrey Hugo
e2dcbc330f dmaengine: qcom_hidma: Update codeaurora email domain
The codeaurora.org email domain is defunct and will bounce.

Update entries to Sinan's kernel.org address which is the address in
MAINTAINERS for this component.

Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Acked-By: Sinan Kaya <okaya@kernel.org>
Link: https://lore.kernel.org/r/20230707195003.6619-1-quic_jhugo@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2023-08-07 00:01:41 +05:30
Linus Torvalds
638c1913d2 cxl fixes for v6.5-rc5
- Fixup the Sanitixe device ABI that was merged for v6.5 to hide some
   sysfs files when the necessary support is missing. Update the ABI
   documentation around this as well.
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Merge tag 'cxl-fixes-6.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull cxl fixes from Vishal Verma:

 - Fixup the Sanitixe device ABI that was merged for v6.5 to hide some
   sysfs files when the necessary support is missing. Update the ABI
   documentation around this as well.

* tag 'cxl-fixes-6.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
  cxl/memdev: Only show sanitize sysfs files when supported
  cxl/memdev: Document security state in kern-doc
  cxl/memdev: Improve sanitize ABI descriptions
2023-08-03 15:41:48 -07:00
Jeffrey Hugo
14a2714085 docs: ABI: sysfs-bus-mhi: Update contact info
@codeaurora.org email addresses are no longer valid and will bounce to
sender.  Also, Bhaumik has previously indicated he is no longer interested
in participating in MHI bus discussions.

Update contact info from Bhaumik to the mhi mail list so that mails will
be routed to the MHI maintainers and interested parties.

Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20230628182346.3855-1-quic_jhugo@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
2023-08-02 16:51:46 +05:30
Eric Snowberg
f20765fdfd integrity: Always reference the blacklist keyring with appraisal
Commit 273df864cf ("ima: Check against blacklisted hashes for files with
modsig") introduced an appraise_flag option for referencing the blacklist
keyring.  Any matching binary found on this keyring fails signature
validation. This flag only works with module appended signatures.

An important part of a PKI infrastructure is to have the ability to do
revocation at a later time should a vulnerability be found.  Expand the
revocation flag usage to all appraisal functions. The flag is now
enabled by default. Setting the flag with an IMA policy has been
deprecated. Without a revocation capability like this in place, only
authenticity can be maintained. With this change, integrity can now be
achieved with digital signature based IMA appraisal.

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Nayna Jain <nayna@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
2023-08-01 08:17:25 -04:00
Greg Kroah-Hartman
98a9e32bdf Merge 6.5-rc4 into usb-next
We need the USB fixes in here for testing and for other patches to be
applied on top of.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-31 09:36:55 +02:00
Davidlohr Bueso
ad64f5952c cxl/memdev: Only show sanitize sysfs files when supported
If the device does not support Sanitize or Secure Erase commands,
hide the respective sysfs interfaces such that the operation can
never be attempted.

In order to be generic, keep track of the enabled security commands
found in the CEL - the driver does not support Security Passthrough.

Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Link: https://lore.kernel.org/r/20230726051940.3570-4-dave@stgolabs.net
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
2023-07-28 13:16:54 -06:00
Davidlohr Bueso
0fcde5989e cxl/memdev: Improve sanitize ABI descriptions
Be more detailed about the CPU cache management situation. The same
goes for both sanitize and secure erase.

Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Link: https://lore.kernel.org/r/20230726051940.3570-2-dave@stgolabs.net
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
2023-07-28 13:16:54 -06:00
Michael Ellerman
7f48405c3c cpu/SMT: Allow enabling partial SMT states via sysfs
Add support to the /sys/devices/system/cpu/smt/control interface for
enabling a specified number of SMT threads per core, including partial
SMT states where not all threads are brought online.

The current interface accepts "on" and "off", to enable either 1 or all
SMT threads per core.

This commit allows writing an integer, between 1 and the number of SMT
threads supported by the machine. Writing 1 is a synonym for "off", 2 or
more enables SMT with the specified number of threads.

When reading the file, if all threads are online "on" is returned, to
avoid changing behaviour for existing users. If some other number of
threads is online then the integer value is returned.

Architectures like x86 only supporting 1 thread or all threads, should not
define CONFIG_SMT_NUM_THREADS_DYNAMIC. Architecture supporting partial SMT
states, like PowerPC, should define it.

[ ldufour: Slightly reword the commit's description ]
[ ldufour: Remove switch() in __store_smt_control() ]
[ ldufour: Rix build issue in control_show() ]

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20230705145143.40545-8-ldufour@linux.ibm.com
2023-07-28 09:53:37 +02:00
Demi Marie Obenour
c04e989484 xen: speed up grant-table reclaim
When a grant entry is still in use by the remote domain, Linux must put
it on a deferred list.  Normally, this list is very short, because
the PV network and block protocols expect the backend to unmap the grant
first.  However, Qubes OS's GUI protocol is subject to the constraints
of the X Window System, and as such winds up with the frontend unmapping
the window first.  As a result, the list can grow very large, resulting
in a massive memory leak and eventual VM freeze.

To partially solve this problem, make the number of entries that the VM
will attempt to free at each iteration tunable.  The default is still
10, but it can be overridden via a module parameter.

This is Cc: stable because (when combined with appropriate userspace
changes) it fixes a severe performance and stability problem for Qubes
OS users.

Cc: stable@vger.kernel.org
Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20230726165354.1252-1-demi@invisiblethingslab.com
Signed-off-by: Juergen Gross <jgross@suse.com>
2023-07-27 07:53:12 +02:00
Takashi Iwai
a85ff0db48 usb: gadget: midi2: More flexible MIDI 1.0 configuration
This patch allows users to set up MIDI 1.0 ports more flexibly.
Namely, instead of the fixed mapping only from FB 0, now multiple
block definitions are applied to build up the MIDI 1.0 mapping.

The each block config has midi1_first_group and midi1_num_groups
attributes, and those specify which Groups are used for MIDI 1.0.
Those fields must be within the UMP Groups defined in the block
itself.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20230725062206.9674-8-tiwai@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-26 06:38:14 +02:00
Takashi Iwai
29ee7a4ddd usb: gadget: midi2: Add configfs support
This patch adds the support of configfs to MIDI 2.0 function driver
for users to allow configuring the UMP Endpoint and Function Blocks
more flexibly.  The configuration is in a tree form.  The top-most
contains some card-level configurations.  UMP Endpoints are defined in
subdirectories (ep.0, ep.1, etc) that contain Endpoint-specific
configurations such as ep_name, etc.  And, UMP Function Blocks are
defined in the subdirectories (block.0, block.1, etc) under EP
subdirectory.  As default, the driver creates a single UMP Endpoint
(ep.0) and a single Function Block (block.0) to work in a minimalistic
manner.  User can modify those attributes freely to fit with the
demands.

When multiple Function Blocks are required, user can create another
directory as block.1, block.2, and so on (up to block.31).  A block.*
directory can be deleted dynamically, too.  A caveat is that the block
number has to be continuous.

Similarly, when multiple UMP Endpoints are required, user can create
another directory as ep.1, ep.2, up to ep.3.

Also, some driver behavior can be controlled in the card top-level
configs.  e.g. you can pass process_ump=0 to disable the processing of
UMP Stream messages.  This would be equivalent with the older MIDI 2.0
spec that doesn't support UMP v1.1 features.

The configfs interface checks upper- / lower-bound of input values,
and more sanity checks are performed at binding.

Attributes can't be changed any longer once when the instance is
linked to UDC.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20230725062206.9674-3-tiwai@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-07-26 06:38:14 +02:00
Bart Van Assche
7e9609d2da scsi: ufs: core: Remove HPB support
Interest among UFS users in HPB has reduced significantly. I am not aware
of any current users of the HPB functionality. Hence remove HPB support
from the kernel.

A note: the work in JEDEC on a successor for HPB is nearing completion.
Zoned storage for UFS or ZUFS combines the UFS standard with ZBC-2.

Acked-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: ChanWoo Lee <cw9316.lee@samsung.com>
Cc: Daejun Park <daejun7.park@samsung.com>
Cc: Keoseong Park <keosung.park@samsung.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230719165758.2787573-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-07-23 16:40:39 -04:00
Waqar Hameed
5e1cd3e97e iio: Add event enums for running period and count
There are devices (such as Murata IRS-D200 PIR proximity sensor) that
check the data signal with a running period. I.e. for a specified time,
they count the number of conditions that have occurred, and then signal
if that is more than a specified amount.

`IIO_EV_INFO_PERIOD` resets when the condition no longer is true and is
therefore not suitable for these devices. Add a new `iio_event_info`
`IIO_EV_INFO_RUNNING_PERIOD` that can be used as a running period. Also
add a new `IIO_EV_INFO_RUNNING_COUNT` that can be used to specify the
number of conditions that must occur during this running period.

Signed-off-by: Waqar Hameed <waqar.hameed@axis.com>
Link: https://lore.kernel.org/r/ee4a801ae9b9c4716c7bd23d8f79f232351df8bd.1689753076.git.waqar.hameed@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-07-23 13:16:18 +01:00