The old csrowX sysfs directories have per-csrow error counters, but the
new dimmX directories do not currently expose error counts.
EDAC already keeps these counts, add them to sysfs so per-DIMM counts
are still available when CONFIG_EDAC_LEGACY_SYSFS=n.
Signed-off-by: Aaron Miller <aaronmiller@fb.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20161103220153.3997328-1-aaronmiller@fb.com
Signed-off-by: Borislav Petkov <bp@suse.de>
This reverts commit 6751667a29.
Rob Herring objected to it, and a replacement for it will be added using
debugfs in the future.
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To follow iio guidelines Where possible we stick to the raw SI unit, so
specify meters for proximity.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Add new channel types support for gravity sensor.
Gravity sensor provides an application-level or physical collection that
identifies a device that measures exclusively the force of Earth's
gravity along any number of axes.
More information can be found in:
http://www.usb.org/developers/hidpage/HUTRR59_-_Usages_for_Wearables.pdf
Signed-off-by: Song Hongyan <hongyan.song@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
cudeaurora.org is used in place of codeaurora.org
in the contact field.
Signed-off-by: Amit Kumar <free.amit.kumar@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
trivial fix to spelling mistake in iio documentation
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Pull x86 cache allocation interface from Thomas Gleixner:
"This provides support for Intel's Cache Allocation Technology, a cache
partitioning mechanism.
The interface is odd, but the hardware interface of that CAT stuff is
odd as well.
We tried hard to come up with an abstraction, but that only allows
rather simple partitioning, but no way of sharing and dealing with the
per package nature of this mechanism.
In the end we decided to expose the allocation bitmaps directly so all
combinations of the hardware can be utilized.
There are two ways of associating a cache partition:
- Task
A task can be added to a resource group. It uses the cache
partition associated to the group.
- CPU
All tasks which are not member of a resource group use the group to
which the CPU they are running on is associated with.
That allows for simple CPU based partitioning schemes.
The main expected user sare:
- Virtualization so a VM can only trash only the associated part of
the cash w/o disturbing others
- Real-Time systems to seperate RT and general workloads.
- Latency sensitive enterprise workloads
- In theory this also can be used to protect against cache side
channel attacks"
[ Intel RDT is "Resource Director Technology". The interface really is
rather odd and very specific, which delayed this pull request while I
was thinking about it. The pull request itself came in early during
the merge window, I just delayed it until things had calmed down and I
had more time.
But people tell me they'll use this, and the good news is that it is
_so_ specific that it's rather independent of anything else, and no
user is going to depend on the interface since it's pretty rare. So if
push comes to shove, we can just remove the interface and nothing will
break ]
* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (31 commits)
x86/intel_rdt: Implement show_options() for resctrlfs
x86/intel_rdt: Call intel_rdt_sched_in() with preemption disabled
x86/intel_rdt: Update task closid immediately on CPU in rmdir and unmount
x86/intel_rdt: Fix setting of closid when adding CPUs to a group
x86/intel_rdt: Update percpu closid immeditately on CPUs affected by changee
x86/intel_rdt: Reset per cpu closids on unmount
x86/intel_rdt: Select KERNFS when enabling INTEL_RDT_A
x86/intel_rdt: Prevent deadlock against hotplug lock
x86/intel_rdt: Protect info directory from removal
x86/intel_rdt: Add info files to Documentation
x86/intel_rdt: Export the minimum number of set mask bits in sysfs
x86/intel_rdt: Propagate error in rdt_mount() properly
x86/intel_rdt: Add a missing #include
MAINTAINERS: Add maintainer for Intel RDT resource allocation
x86/intel_rdt: Add scheduler hook
x86/intel_rdt: Add schemata file
x86/intel_rdt: Add tasks files
x86/intel_rdt: Add cpus file
x86/intel_rdt: Add mkdir to resctrl file system
x86/intel_rdt: Add "info" files to resctrl file system
...
Subsystem:
- non-modular drivers are now explicitly non-modular
New driver:
- Epson Toyocom rtc-7301sf/dg
Drivers:
- cmos: reject unsupported alarm values wrt the RTC capabilities
- ds1307: ACPI support
- jz4740: DT support, jz4780 handling, can now be used as a system power
controller
- mcp795: many fixes, in particular proper month handling
- twl: driver is now DT only
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Merge tag 'rtc-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- non-modular drivers are now explicitly non-modular
New driver:
- Epson Toyocom rtc-7301sf/dg
Drivers:
- cmos: reject unsupported alarm values wrt the RTC capabilities
- ds1307: ACPI support
- jz4740: DT support, jz4780 handling, can now be used as a system
power controller
- mcp795: many fixes, in particular proper month handling
- twl: driver is now DT only"
* tag 'rtc-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (31 commits)
rtc: mcp795: Fix whitespace and indentation.
rtc: mcp795: Prefer using the BIT() macro.
rtc: mcp795: fix month write resetting date to 1.
rtc: mcp795: fix time range difference between linux and RTC chip.
rtc: mcp795: fix bitmask value for leap year (LP).
rtc: mcp795: use bcd2bin/bin2bcd.
rtc: add support for EPSON TOYOCOM RTC-7301SF/DG
rtc: ds1307: Add ACPI support
rtc: imxdi: (trivial) fix a typo
rtc: ds1374: Merge conditional + WARN_ON()
rtc: twl: make driver DT only
rtc: twl: kill static variables
rtc: fix typos in Kconfig
rtc: jz4740: make the driver builtin only
rtc: jz4740: remove unused EXPORT_SYMBOL
Documentation: bindings: fix twl-rtc documentation
rtc: Enable compile testing for Maxim and Samsung drivers
MIPS: jz4740: Remove obsolete code
MIPS: qi_lb60: Probe RTC driver from DT and use it as power controller
MIPS: jz4740: DTS: Probe the jz4740-rtc driver from devicetree
...
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Merge tag 'pci-v4.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"PCI changes:
- add support for PCI on ARM64 boxes with ACPI. We already had this
for theoretical spec-compliant hardware; now we're adding quirks
for the actual hardware (Cavium, HiSilicon, Qualcomm, X-Gene)
- add runtime PM support for hotplug ports
- enable runtime suspend for Intel UHCI that uses platform-specific
wakeup signaling
- add yet another host bridge registration interface. We hope this is
extensible enough to subsume the others
- expose device revision in sysfs for DRM
- to avoid device conflicts, make sure any VF BAR updates are done
before enabling the VF
- avoid unnecessary link retrains for ASPM
- allow INTx masking on Mellanox devices that support it
- allow access to non-standard VPD for Chelsio devices
- update Broadcom iProc support for PAXB v2, PAXC v2, inbound DMA,
etc
- update Rockchip support for max-link-speed
- add NVIDIA Tegra210 support
- add Layerscape LS1046a support
- update R-Car compatibility strings
- add Qualcomm MSM8996 support
- remove some uninformative bootup messages"
* tag 'pci-v4.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (115 commits)
PCI: Enable access to non-standard VPD for Chelsio devices (cxgb3)
PCI: Expand "VPD access disabled" quirk message
PCI: pciehp: Remove loading message
PCI: hotplug: Remove hotplug core message
PCI: Remove service driver load/unload messages
PCI/AER: Log AER IRQ when claiming Root Port
PCI/AER: Log errors with PCI device, not PCIe service device
PCI/AER: Remove unused version macros
PCI/PME: Log PME IRQ when claiming Root Port
PCI/PME: Drop unused support for PMEs from Root Complex Event Collectors
PCI: Move config space size macros to pci_regs.h
x86/platform/intel-mid: Constify mid_pci_platform_pm
PCI/ASPM: Don't retrain link if ASPM not possible
PCI: iproc: Skip check for legacy IRQ on PAXC buses
PCI: pciehp: Leave power indicator on when enabling already-enabled slot
PCI: pciehp: Prioritize data-link event over presence detect
PCI: rcar: Add gen3 fallback compatibility string for pcie-rcar
PCI: rcar: Use gen2 fallback compatibility last
PCI: rcar-gen2: Use gen2 fallback compatibility last
PCI: rockchip: Move the deassert of pm/aclk/pclk after phy_init()
..
No dramatic changes are found in this development cycle, but as usual,
many commits are applied in a wide range of drivers.
Most of big changes are in ASoC, where a few bits of framework work
and quite a lot of cleanups and improvements to existing code have
been done. The rest are usual stuff, a few HD-audio and USB-audio
quirks and fixes, as well as the drop of kthread usages in the whole
subsystem.
Below are some highlights:
ASoC:
- Support for stereo DAPM controls
- Some initial work on the of-graph sound card
- regmap conversions of the remaining AC'97 drivers
- A new version of the topology ABI; this should be backward compatible
- Updates / cleanups of rsnd, sunxi, sti, nau8825, samsung, arizona,
Intel skylake, atom-sst
- New drivers for Cirrus Logic CS42L42, Qualcomm MSM8916-WCD, and
Realtek RT5665
USB-audio:
- Yet another race fix at disconnection
- Tolerated packet size calculation for some Android devices
- Quirks for Axe-Fx II, QuickCam, TEAC 501/503
HD-audio:
- Improvement of Dell pin fixup mapping
- Quirks for HP Z1 Gen3, Alienware 15 R2 2016 and ALC622 headset mic
Misc:
- Replace all kthread usages with simple works
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Merge tag 'sound-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"No dramatic changes are found in this development cycle, but as usual,
many commits are applied in a wide range of drivers.
Most of big changes are in ASoC, where a few bits of framework work
and quite a lot of cleanups and improvements to existing code have
been done. The rest are usual stuff, a few HD-audio and USB-audio
quirks and fixes, as well as the drop of kthread usages in the whole
subsystem.
Below are some highlights:
ASoC:
- support for stereo DAPM controls
- some initial work on the of-graph sound card
- regmap conversions of the remaining AC'97 drivers
- a new version of the topology ABI; this should be backward
compatible
- updates / cleanups of rsnd, sunxi, sti, nau8825, samsung, arizona,
Intel skylake, atom-sst
- new drivers for Cirrus Logic CS42L42, Qualcomm MSM8916-WCD, and
Realtek RT5665
USB-audio:
- yet another race fix at disconnection
- tolerated packet size calculation for some Android devices
- quirks for Axe-Fx II, QuickCam, TEAC 501/503
HD-audio:
- improvement of Dell pin fixup mapping
- quirks for HP Z1 Gen3, Alienware 15 R2 2016 and ALC622 headset mic
Misc:
- replace all kthread usages with simple works"
* tag 'sound-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (296 commits)
ALSA: hiface: Fix M2Tech hiFace driver sampling rate change
ALSA: usb-audio: Eliminate noise at the start of DSD playback.
ALSA: usb-audio: Add native DSD support for TEAC 501/503 DAC
ASoC: wm_adsp: wm_adsp_buf_alloc should use kfree in error path
ASoC: topology: avoid uninitialized kcontrol_type
ALSA: usb-audio: Add QuickCam Communicate Deluxe/S7500 to volume_control_quirks
ALSA: usb-audio: add implicit fb quirk for Axe-Fx II
ASoC: zte: spdif: correct ZX_SPDIF_CLK_RAT define
ASoC: zte: spdif and i2s drivers are not zx296702 specific
ASoC: rsnd: setup BRGCKR/BRRA/BRRB when starting
ASoC: rsnd: enable/disable ADG when suspend/resume timing
ASoC: rsnd: tidyup ssi->usrcnt counter check in hw_params
ALSA: cs46xx: add a new line
ASoC: Intel: update bxt_da7219_max98357a to support quad ch dmic capture
ASoC: nau8825: disable sinc filter for high THD of ADC
ALSA: usb-audio: more tolerant packetsize
ALSA: usb-audio: avoid setting of sample rate multiple times on bus
ASoC: cs35l34: Simplify the logic to set CS35L34_MCLK_CTL setting
ALSA: hda - Gate the mic jack on HP Z1 Gen3 AiO
ALSA: hda: when comparing pin configurations, ignore assoc in addition to seq
...
Here's the big char/misc driver patches for 4.10-rc1. Lots of tiny
changes over lots of "minor" driver subsystems, the largest being some
new FPGA drivers. Other than that, a few other new drivers, but no new
driver subsystems added for this kernel cycle, a nice change.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here's the big char/misc driver patches for 4.10-rc1. Lots of tiny
changes over lots of "minor" driver subsystems, the largest being some
new FPGA drivers. Other than that, a few other new drivers, but no new
driver subsystems added for this kernel cycle, a nice change.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (107 commits)
uio-hv-generic: store physical addresses instead of virtual
Tools: hv: kvp: configurable external scripts path
uio-hv-generic: new userspace i/o driver for VMBus
vmbus: add support for dynamic device id's
hv: change clockevents unbind tactics
hv: acquire vmbus_connection.channel_mutex in vmbus_free_channels()
hyperv: Fix spelling of HV_UNKOWN
mei: bus: enable non-blocking RX
mei: fix the back to back interrupt handling
mei: synchronize irq before initiating a reset.
VME: Remove shutdown entry from vme_driver
auxdisplay: ht16k33: select framebuffer helper modules
MAINTAINERS: add git url for fpga
fpga: Clarify how write_init works streaming modes
fpga zynq: Fix incorrect ISR state on bootup
fpga zynq: Remove priv->dev
fpga zynq: Add missing \n to messages
fpga: Add COMPILE_TEST to all drivers
uio: pruss: add clk_disable()
char/pcmcia: add some error checking in scr24x_read()
...
Here's the new driver core patches for 4.10-rc1.
Big thing here is the nice addition of "functional dependencies" to the
driver core. The idea has been talked about for a very long time, great
job to Rafael for stepping up and implementing it. It's been tested for
longer than the 4.9-rc1 date, we held off on merging it earlier in order
to feel more comfortable about it.
Other than that, it's just a handful of small other patches, some good
cleanups to the mess that is the firmware class code, and we have a test
driver for the deferred probe logic.
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 'driver-core-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here's the new driver core patches for 4.10-rc1.
Big thing here is the nice addition of "functional dependencies" to
the driver core. The idea has been talked about for a very long time,
great job to Rafael for stepping up and implementing it. It's been
tested for longer than the 4.9-rc1 date, we held off on merging it
earlier in order to feel more comfortable about it.
Other than that, it's just a handful of small other patches, some good
cleanups to the mess that is the firmware class code, and we have a
test driver for the deferred probe logic.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (30 commits)
firmware: Correct handling of fw_state_wait() return value
driver core: Silence device links sphinx warning
firmware: remove warning at documentation generation time
drivers: base: dma-mapping: Fix typo in dmam_alloc_non_coherent comments
driver core: test_async: fix up typo found by 0-day
firmware: move fw_state_is_done() into UHM section
firmware: do not use fw_lock for fw_state protection
firmware: drop bit ops in favor of simple state machine
firmware: refactor loading status
firmware: fix usermode helper fallback loading
driver core: firmware_class: convert to use class_groups
driver core: devcoredump: convert to use class_groups
driver core: class: add class_groups support
kernfs: Declare two local data structures static
driver-core: fix platform_no_drv_owner.cocci warnings
drivers/base/memory.c: Remove unused 'first_page' variable
driver core: add CLASS_ATTR_WO()
drivers: base: cacheinfo: support DT overrides for cache properties
drivers: base: cacheinfo: add pr_fmt logging
drivers: base: cacheinfo: fix boot error message when acpi is enabled
...
Here's the "big" staging/iio pull request for 4.10-rc1.
Not as big as 4.9 was, but still just over a thousand changes. We
almost broke even of lines added vs. removed, as the slicoss driver was
removed (got a "clean" driver for the same hardware through the netdev
tree), and some iio drivers were also dropped, but I think we ended up
adding a few thousand lines to the source tree in the end. Other than
that it's a lot of minor fixes all over the place, nothing major stands
out at all.
All of these have been in linux-next for a while. There will be a merge
conflict with Al's vfs tree in the lustre code, but the resolution for
that should be pretty simple, that too has been in linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO updates from Greg KH:
"Here's the "big" staging/iio pull request for 4.10-rc1.
Not as big as 4.9 was, but still just over a thousand changes. We
almost broke even of lines added vs. removed, as the slicoss driver
was removed (got a "clean" driver for the same hardware through the
netdev tree), and some iio drivers were also dropped, but I think we
ended up adding a few thousand lines to the source tree in the end.
Other than that it's a lot of minor fixes all over the place, nothing
major stands out at all.
All of these have been in linux-next for a while. There will be a
merge conflict with Al's vfs tree in the lustre code, but the
resolution for that should be pretty simple, that too has been in
linux-next"
* tag 'staging-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1002 commits)
staging: comedi: comedidev.h: Document usage of 'detach' handler
staging: fsl-mc: remove unnecessary info prints from bus driver
staging: fsl-mc: add sysfs ABI doc
staging/lustre/o2iblnd: Fix misspelled attemps->attempts
staging/lustre/o2iblnd: Fix misspelling intialized->intialized
staging/lustre: Convert all bare unsigned to unsigned int
staging/lustre/socklnd: Fix whitespace problem
staging/lustre/o2iblnd: Add missing space
staging/lustre/lnetselftest: Fix potential integer overflow
staging: greybus: audio_module: remove redundant OOM message
staging: dgnc: Fix lines longer than 80 characters
staging: dgnc: fix blank line after '{' warnings.
staging/android: remove Sync Framework tasks from TODO
staging/lustre/osc: Revert erroneous list_for_each_entry_safe use
staging: slicoss: remove the staging driver
staging: lustre: libcfs: remove lnet upcall code
staging: lustre: remove set but unused variables
staging: lustre: osc: set lock data for readahead lock
staging: lustre: import: don't reconnect during connect interpret
staging: lustre: clio: remove mtime check in vvp_io_fault_start()
...
Here's the big set of USB/PHY patches for 4.10-rc1.
A number of new drivers are here in this set of changes. We have a new
USB controller type "mtu3", a new usb-serial driver, and the usual churn
in the gadget subsystem and the xhci host controller driver, along with
a few other new small drivers added. And lots of little other changes
all over the USB and PHY driver tree. Full details are in the shortlog
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 'usb-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here's the big set of USB/PHY patches for 4.10-rc1.
A number of new drivers are here in this set of changes. We have a new
USB controller type "mtu3", a new usb-serial driver, and the usual
churn in the gadget subsystem and the xhci host controller driver,
along with a few other new small drivers added. And lots of little
other changes all over the USB and PHY driver tree. Full details are
in the shortlog
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (309 commits)
USB: serial: option: add dlink dwm-158
USB: serial: option: add support for Telit LE922A PIDs 0x1040, 0x1041
USB: OHCI: nxp: fix code warnings
USB: OHCI: nxp: remove useless extern declaration
USB: OHCI: at91: remove useless extern declaration
usb: misc: rio500: fix result type for error message
usb: mtu3: fix U3 port link issue
usb: mtu3: enable auto switch from U3 to U2
usbip: fix warning in vhci_hcd_probe/lockdep_init_map
usb: core: usbport: Use proper LED API to fix potential crash
usbip: add missing compile time generated files to .gitignore
usb: hcd.h: construct hub class request constants from simpler constants
USB: OHCI: ohci-pxa27x: remove useless functions
USB: OHCI: omap: remove useless extern declaration
USB: OHCI: ohci-omap: remove useless functions
USB: OHCI: ohci-s3c2410: remove useless functions
USB: cdc-acm: add device id for GW Instek AFG-125
fsl/usb: Workarourd for USB erratum-A005697
usb: hub: Wait for connection to be reestablished after port reset
usbip: vudc: Refactor init_vudc_hw() to be more obvious
...
- New cpufreq driver for Broadcom STB SoCs and a Device Tree binding
for it (Markus Mayer).
- Support for ARM Integrator/AP and Integrator/CP in the generic
DT cpufreq driver and elimination of the old Integrator cpufreq
driver (Linus Walleij).
- Support for the zx296718, r8a7743 and r8a7745, Socionext UniPhier,
and PXA SoCs in the the generic DT cpufreq driver (Baoyou Xie,
Geert Uytterhoeven, Masahiro Yamada, Robert Jarzmik).
- cpufreq core fix to eliminate races that may lead to using
inactive policy objects and related cleanups (Rafael Wysocki).
- cpufreq schedutil governor update to make it use SCHED_FIFO
kernel threads (instead of regular workqueues) for doing delayed
work (to reduce the response latency in some cases) and related
cleanups (Viresh Kumar).
- New cpufreq sysfs attribute for resetting statistics (Markus
Mayer).
- cpufreq governors fixes and cleanups (Chen Yu, Stratos Karafotis,
Viresh Kumar).
- Support for using generic cpufreq governors in the intel_pstate
driver (Rafael Wysocki).
- Support for per-logical-CPU P-state limits and the EPP/EPB
(Energy Performance Preference/Energy Performance Bias) knobs
in the intel_pstate driver (Srinivas Pandruvada).
- New CPU ID for Knights Mill in intel_pstate (Piotr Luc).
- intel_pstate driver modification to use the P-state selection
algorithm based on CPU load on platforms with the system profile
in the ACPI tables set to "mobile" (Srinivas Pandruvada).
- intel_pstate driver cleanups (Arnd Bergmann, Rafael Wysocki,
Srinivas Pandruvada).
- cpufreq powernv driver updates including fast switching support
(for the schedutil governor), fixes and cleanus (Akshay Adiga,
Andrew Donnellan, Denis Kirjanov).
- acpi-cpufreq driver rework to switch it over to the new CPU
offline/online state machine (Sebastian Andrzej Siewior).
- Assorted cleanups in cpufreq drivers (Wei Yongjun, Prashanth
Prakash).
- Idle injection rework (to make it use the regular idle path
instead of a home-grown custom one) and related powerclamp
thermal driver updates (Peter Zijlstra, Jacob Pan, Petr Mladek,
Sebastian Andrzej Siewior).
- New CPU IDs for Atom Z34xx and Knights Mill in intel_idle (Andy
Shevchenko, Piotr Luc).
- intel_idle driver cleanups and switch over to using the new CPU
offline/online state machine (Anna-Maria Gleixner, Sebastian
Andrzej Siewior).
- cpuidle DT driver update to support suspend-to-idle properly
(Sudeep Holla).
- cpuidle core cleanups and misc updates (Daniel Lezcano, Pan Bian,
Rafael Wysocki).
- Preliminary support for power domains including CPUs in the
generic power domains (genpd) framework and related DT bindings
(Lina Iyer).
- Assorted fixes and cleanups in the generic power domains (genpd)
framework (Colin Ian King, Dan Carpenter, Geert Uytterhoeven).
- Preliminary support for devices with multiple voltage regulators
and related fixes and cleanups in the Operating Performance Points
(OPP) library (Viresh Kumar, Masahiro Yamada, Stephen Boyd).
- System sleep state selection interface rework to make it easier
to support suspend-to-idle as the default system suspend method
(Rafael Wysocki).
- PM core fixes and cleanups, mostly related to the interactions
between the system suspend and runtime PM frameworks (Ulf Hansson,
Sahitya Tummala, Tony Lindgren).
- Latency tolerance PM QoS framework imorovements (Andrew
Lutomirski).
- New Knights Mill CPU ID for the Intel RAPL power capping driver
(Piotr Luc).
- Intel RAPL power capping driver fixes, cleanups and switch over
to using the new CPU offline/online state machine (Jacob Pan,
Thomas Gleixner, Sebastian Andrzej Siewior).
- Fixes and cleanups in the exynos-ppmu, exynos-nocp, rk3399_dmc,
rockchip-dfi devfreq drivers and the devfreq core (Axel Lin,
Chanwoo Choi, Javier Martinez Canillas, MyungJoo Ham, Viresh
Kumar).
- Fix for false-positive KASAN warnings during resume from ACPI S3
(suspend-to-RAM) on x86 (Josh Poimboeuf).
- Memory map verification during resume from hibernation on x86 to
ensure a consistent address space layout (Chen Yu).
- Wakeup sources debugging enhancement (Xing Wei).
- rockchip-io AVS driver cleanup (Shawn Lin).
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Merge tag 'pm-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"Again, cpufreq gets more changes than the other parts this time (one
new driver, one old driver less, a bunch of enhancements of the
existing code, new CPU IDs, fixes, cleanups)
There also are some changes in cpuidle (idle injection rework, a
couple of new CPU IDs, online/offline rework in intel_idle, fixes and
cleanups), in the generic power domains framework (mostly related to
supporting power domains containing CPUs), and in the Operating
Performance Points (OPP) library (mostly related to supporting devices
with multiple voltage regulators)
In addition to that, the system sleep state selection interface is
modified to make it easier for distributions with unchanged user space
to support suspend-to-idle as the default system suspend method, some
issues are fixed in the PM core, the latency tolerance PM QoS
framework is improved a bit, the Intel RAPL power capping driver is
cleaned up and there are some fixes and cleanups in the devfreq
subsystem
Specifics:
- New cpufreq driver for Broadcom STB SoCs and a Device Tree binding
for it (Markus Mayer)
- Support for ARM Integrator/AP and Integrator/CP in the generic DT
cpufreq driver and elimination of the old Integrator cpufreq driver
(Linus Walleij)
- Support for the zx296718, r8a7743 and r8a7745, Socionext UniPhier,
and PXA SoCs in the the generic DT cpufreq driver (Baoyou Xie,
Geert Uytterhoeven, Masahiro Yamada, Robert Jarzmik)
- cpufreq core fix to eliminate races that may lead to using inactive
policy objects and related cleanups (Rafael Wysocki)
- cpufreq schedutil governor update to make it use SCHED_FIFO kernel
threads (instead of regular workqueues) for doing delayed work (to
reduce the response latency in some cases) and related cleanups
(Viresh Kumar)
- New cpufreq sysfs attribute for resetting statistics (Markus Mayer)
- cpufreq governors fixes and cleanups (Chen Yu, Stratos Karafotis,
Viresh Kumar)
- Support for using generic cpufreq governors in the intel_pstate
driver (Rafael Wysocki)
- Support for per-logical-CPU P-state limits and the EPP/EPB (Energy
Performance Preference/Energy Performance Bias) knobs in the
intel_pstate driver (Srinivas Pandruvada)
- New CPU ID for Knights Mill in intel_pstate (Piotr Luc)
- intel_pstate driver modification to use the P-state selection
algorithm based on CPU load on platforms with the system profile in
the ACPI tables set to "mobile" (Srinivas Pandruvada)
- intel_pstate driver cleanups (Arnd Bergmann, Rafael Wysocki,
Srinivas Pandruvada)
- cpufreq powernv driver updates including fast switching support
(for the schedutil governor), fixes and cleanus (Akshay Adiga,
Andrew Donnellan, Denis Kirjanov)
- acpi-cpufreq driver rework to switch it over to the new CPU
offline/online state machine (Sebastian Andrzej Siewior)
- Assorted cleanups in cpufreq drivers (Wei Yongjun, Prashanth
Prakash)
- Idle injection rework (to make it use the regular idle path instead
of a home-grown custom one) and related powerclamp thermal driver
updates (Peter Zijlstra, Jacob Pan, Petr Mladek, Sebastian Andrzej
Siewior)
- New CPU IDs for Atom Z34xx and Knights Mill in intel_idle (Andy
Shevchenko, Piotr Luc)
- intel_idle driver cleanups and switch over to using the new CPU
offline/online state machine (Anna-Maria Gleixner, Sebastian
Andrzej Siewior)
- cpuidle DT driver update to support suspend-to-idle properly
(Sudeep Holla)
- cpuidle core cleanups and misc updates (Daniel Lezcano, Pan Bian,
Rafael Wysocki)
- Preliminary support for power domains including CPUs in the generic
power domains (genpd) framework and related DT bindings (Lina Iyer)
- Assorted fixes and cleanups in the generic power domains (genpd)
framework (Colin Ian King, Dan Carpenter, Geert Uytterhoeven)
- Preliminary support for devices with multiple voltage regulators
and related fixes and cleanups in the Operating Performance Points
(OPP) library (Viresh Kumar, Masahiro Yamada, Stephen Boyd)
- System sleep state selection interface rework to make it easier to
support suspend-to-idle as the default system suspend method
(Rafael Wysocki)
- PM core fixes and cleanups, mostly related to the interactions
between the system suspend and runtime PM frameworks (Ulf Hansson,
Sahitya Tummala, Tony Lindgren)
- Latency tolerance PM QoS framework imorovements (Andrew Lutomirski)
- New Knights Mill CPU ID for the Intel RAPL power capping driver
(Piotr Luc)
- Intel RAPL power capping driver fixes, cleanups and switch over to
using the new CPU offline/online state machine (Jacob Pan, Thomas
Gleixner, Sebastian Andrzej Siewior)
- Fixes and cleanups in the exynos-ppmu, exynos-nocp, rk3399_dmc,
rockchip-dfi devfreq drivers and the devfreq core (Axel Lin,
Chanwoo Choi, Javier Martinez Canillas, MyungJoo Ham, Viresh Kumar)
- Fix for false-positive KASAN warnings during resume from ACPI S3
(suspend-to-RAM) on x86 (Josh Poimboeuf)
- Memory map verification during resume from hibernation on x86 to
ensure a consistent address space layout (Chen Yu)
- Wakeup sources debugging enhancement (Xing Wei)
- rockchip-io AVS driver cleanup (Shawn Lin)"
* tag 'pm-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (127 commits)
devfreq: rk3399_dmc: Don't use OPP structures outside of RCU locks
devfreq: rk3399_dmc: Remove dangling rcu_read_unlock()
devfreq: exynos: Don't use OPP structures outside of RCU locks
Documentation: intel_pstate: Document HWP energy/performance hints
cpufreq: intel_pstate: Support for energy performance hints with HWP
cpufreq: intel_pstate: Add locking around HWP requests
PM / sleep: Print active wakeup sources when blocking on wakeup_count reads
PM / core: Fix bug in the error handling of async suspend
PM / wakeirq: Fix dedicated wakeirq for drivers not using autosuspend
PM / Domains: Fix compatible for domain idle state
PM / OPP: Don't WARN on multiple calls to dev_pm_opp_set_regulators()
PM / OPP: Allow platform specific custom set_opp() callbacks
PM / OPP: Separate out _generic_set_opp()
PM / OPP: Add infrastructure to manage multiple regulators
PM / OPP: Pass struct dev_pm_opp_supply to _set_opp_voltage()
PM / OPP: Manage supply's voltage/current in a separate structure
PM / OPP: Don't use OPP structure outside of rcu protected section
PM / OPP: Reword binding supporting multiple regulators per device
PM / OPP: Fix incorrect cpu-supply property in binding
cpuidle: Add a kerneldoc comment to cpuidle_use_deepest_state()
..
Pull block layer updates from Jens Axboe:
"This is the main block pull request this series. Contrary to previous
release, I've kept the core and driver changes in the same branch. We
always ended up having dependencies between the two for obvious
reasons, so makes more sense to keep them together. That said, I'll
probably try and keep more topical branches going forward, especially
for cycles that end up being as busy as this one.
The major parts of this pull request is:
- Improved support for O_DIRECT on block devices, with a small
private implementation instead of using the pig that is
fs/direct-io.c. From Christoph.
- Request completion tracking in a scalable fashion. This is utilized
by two components in this pull, the new hybrid polling and the
writeback queue throttling code.
- Improved support for polling with O_DIRECT, adding a hybrid mode
that combines pure polling with an initial sleep. From me.
- Support for automatic throttling of writeback queues on the block
side. This uses feedback from the device completion latencies to
scale the queue on the block side up or down. From me.
- Support from SMR drives in the block layer and for SD. From Hannes
and Shaun.
- Multi-connection support for nbd. From Josef.
- Cleanup of request and bio flags, so we have a clear split between
which are bio (or rq) private, and which ones are shared. From
Christoph.
- A set of patches from Bart, that improve how we handle queue
stopping and starting in blk-mq.
- Support for WRITE_ZEROES from Chaitanya.
- Lightnvm updates from Javier/Matias.
- Supoort for FC for the nvme-over-fabrics code. From James Smart.
- A bunch of fixes from a whole slew of people, too many to name
here"
* 'for-4.10/block' of git://git.kernel.dk/linux-block: (182 commits)
blk-stat: fix a few cases of missing batch flushing
blk-flush: run the queue when inserting blk-mq flush
elevator: make the rqhash helpers exported
blk-mq: abstract out blk_mq_dispatch_rq_list() helper
blk-mq: add blk_mq_start_stopped_hw_queue()
block: improve handling of the magic discard payload
blk-wbt: don't throttle discard or write zeroes
nbd: use dev_err_ratelimited in io path
nbd: reset the setup task for NBD_CLEAR_SOCK
nvme-fabrics: Add FC LLDD loopback driver to test FC-NVME
nvme-fabrics: Add target support for FC transport
nvme-fabrics: Add host support for FC transport
nvme-fabrics: Add FC transport LLDD api definitions
nvme-fabrics: Add FC transport FC-NVME definitions
nvme-fabrics: Add FC transport error codes to nvme.h
Add type 0x28 NVME type code to scsi fc headers
nvme-fabrics: patch target code in prep for FC transport support
nvme-fabrics: set sqe.command_id in core not transports
parser: add u64 number parser
nvme-rdma: align to generic ib_event logging helper
...
- VFIO updates for v4.10 primarily include a new Mediated Device
interface, which essentially allows software defined devices to be
exposed to users through VFIO. The host vendor driver providing
this virtual device polices, or mediates user access to the device.
These devices often incorporate portions of real devices, for
instance the primary initial users of this interface expose vGPUs
which allow the user to map mediated devices, or mdevs, to a
portion of a physical GPU. QEMU composes these mdevs into PCI
representations using the existing VFIO user API. This enables
both Intel KVM-GT support, which is also expected to arrive into
Linux mainline during the v4.10 merge window, as well as NVIDIA
vGPU, and also Channel I/O devices (aka CCW devices) for s390
virtualization support. (Kirti Wankhede, Neo Jia)
- Drop unnecessary uses of pcibios_err_to_errno() (Cao Jin)
- Fixes to VFIO capability chain handling (Eric Auger)
- Error handling fixes for fallout from mdev (Christophe JAILLET)
- Notifiers to expose struct kvm to mdev vendor drivers (Jike Song)
- type1 IOMMU model search fixes (Kirti Wankhede, Neo Jia)
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Merge tag 'vfio-v4.10-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- VFIO updates for v4.10 primarily include a new Mediated Device
interface, which essentially allows software defined devices to be
exposed to users through VFIO. The host vendor driver providing this
virtual device polices, or mediates user access to the device.
These devices often incorporate portions of real devices, for
instance the primary initial users of this interface expose vGPUs
which allow the user to map mediated devices, or mdevs, to a portion
of a physical GPU. QEMU composes these mdevs into PCI representations
using the existing VFIO user API. This enables both Intel KVM-GT
support, which is also expected to arrive into Linux mainline during
the v4.10 merge window, as well as NVIDIA vGPU, and also Channel I/O
devices (aka CCW devices) for s390 virtualization support. (Kirti
Wankhede, Neo Jia)
- Drop unnecessary uses of pcibios_err_to_errno() (Cao Jin)
- Fixes to VFIO capability chain handling (Eric Auger)
- Error handling fixes for fallout from mdev (Christophe JAILLET)
- Notifiers to expose struct kvm to mdev vendor drivers (Jike Song)
- type1 IOMMU model search fixes (Kirti Wankhede, Neo Jia)
* tag 'vfio-v4.10-rc1' of git://github.com/awilliam/linux-vfio: (30 commits)
vfio iommu type1: Fix size argument to vfio_find_dma() in pin_pages/unpin_pages
vfio iommu type1: Fix size argument to vfio_find_dma() during DMA UNMAP.
vfio iommu type1: WARN_ON if notifier block is not unregistered
kvm: set/clear kvm to/from vfio_group when group add/delete
vfio: support notifier chain in vfio_group
vfio: vfio_register_notifier: classify iommu notifier
vfio: Fix handling of error returned by 'vfio_group_get_from_dev()'
vfio: fix vfio_info_cap_add/shift
vfio/pci: Drop unnecessary pcibios_err_to_errno()
MAINTAINERS: Add entry VFIO based Mediated device drivers
docs: Sample driver to demonstrate how to use Mediated device framework.
docs: Sysfs ABI for mediated device framework
docs: Add Documentation for Mediated devices
vfio: Define device_api strings
vfio_platform: Updated to use vfio_set_irqs_validate_and_prepare()
vfio_pci: Updated to use vfio_set_irqs_validate_and_prepare()
vfio: Introduce vfio_set_irqs_validate_and_prepare()
vfio_pci: Update vfio_pci to use vfio_info_add_capability()
vfio: Introduce common function to add capabilities
vfio iommu: Add blocking notifier to notify DMA_UNMAP
...
Introduces remoteproc "subdevice" support, which allows remoteproc
driver to associate devices to the "running" state of the remoteproc,
allowing devices to be probed and removed as the remote processor is
booted, shut down or recovering from a crash.
Handling of virtio device resources was improved, vring memory is now
allocated as part of other memory allocation. This ensures that all
vrings for all virtio devices are allocated before we boot the remote
processor.
The debugfs mechanism for starting and stopping remoteproc instances was
replaced with a sysfs interface, also providing a mechanism for
specifying firmware to use by the instance. This allows user space to
load and boot use case specific firmware on remote processors.
New drivers for the ST Slimcore and Qualcomm Hexagon DSP as well as
removal of the unused StE modem loader.
Finally support for crash recovery in the Qualcomm Wirelss subsystem
(used for WiFi/BT/FM on a number of platforms) and a number of bug fixes
and cleanups.
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Merge tag 'rproc-v4.10' of git://github.com/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
- introduce remoteproc "subdevice" support, which allows remoteproc
driver to associate devices to the "running" state of the remoteproc,
allowing devices to be probed and removed as the remote processor is
booted, shut down or recovering from a crash.
- handling of virtio device resources was improved, vring memory is now
allocated as part of other memory allocation. This ensures that all
vrings for all virtio devices are allocated before we boot the remote
processor.
- the debugfs mechanism for starting and stopping remoteproc instances
was replaced with a sysfs interface, also providing a mechanism for
specifying firmware to use by the instance. This allows user space to
load and boot use case specific firmware on remote processors.
- new drivers for the ST Slimcore and Qualcomm Hexagon DSP as well as
removal of the unused StE modem loader.
- finally support for crash recovery in the Qualcomm Wirelss subsystem
(used for WiFi/BT/FM on a number of platforms) and a number of bug
fixes and cleanups
* tag 'rproc-v4.10' of git://github.com/andersson/remoteproc: (49 commits)
remoteproc: qcom_adsp_pil: select qcom_scm
remoteproc: Drop wait in __rproc_boot()
remoteproc/ste: Delete unused driver
remoteproc: Remove "experimental" warning
remoteproc: qcom_adsp_pil: select qcom_scm
dt-binding: soc: qcom: smd: Add label property
remoteproc: qcom: mdt_loader: add include for sizes
remoteproc: Update last rproc_put users to rproc_free
remoteproc: qcom: adsp: Add missing MODULE_DEVICE_TABLE
remoteproc: wcnss-pil: add QCOM_SMD dependency
dmaengine: st_fdma: Revert: "Revert: Update st_fdma to 'depends on REMOTEPROC'"
remoteproc: Add support for xo clock
remoteproc: adsp-pil: fix recursive dependency
remoteproc: Introduce Qualcomm ADSP PIL
dt-binding: remoteproc: Introduce ADSP loader binding
remoteproc: qcom_wcnss: Fix circular module dependency
remoteproc: Merge table_ptr and cached_table pointers
remoteproc: Remove custom vdev handler list
remoteproc: Update max_notifyid as we allocate vrings
remoteproc: Decouple vdev resources and devices
...
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Merge tag 'leds_for_4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
- userspace LED class driver - it can be useful for testing triggers
and can also be used to implement virtual LEDs
- LED class driver for NIC78bx device
- LED core fixes for preventing potential races while setting
brightness when software blinking is enabled
- improvements in LED documentation to mention semantics on changing
brightness while trigger is active
* tag 'leds_for_4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: pca955x: Add ACPI support
leds: netxbig: fix module autoload for OF registration
leds: pca963x: Add ACPI support
leds: leds-cobalt-raq: use builtin_platform_driver
led: core: Fix blink_brightness setting race
led: core: Use atomic bit-field for the blink-flags
leds: Add user LED driver for NIC78bx device
leds: verify vendor and change license in mlxcpld driver
leds: pca963x: enable low-power state
leds: pca9532: Use default trigger value from platform data
leds: pca963x: workaround group blink scaling issue
cleanup LED documentation and make it match reality
leds: lp3952: Export I2C module alias information for module autoload
leds: mc13783: Fix MC13892 keypad led access
ledtrig-cpu.c: fix english
leds/leds-lp5523.txt: make documentation match reality
tools/leds: Add uledmon program for monitoring userspace LEDs
leds: Use macro for max device node name size
leds: Introduce userspace LED class driver
mfd: qcom-pm8xxx: Clean up PM8XXX namespace
It's another busy cycle for the docs tree, as the sphinx conversion
continues. Highlights include:
- Further work on PDF output, which remains a bit of a pain but should be
more solid now.
- Five more DocBook template files converted to Sphinx. Only 27 to go...
Lots of plain-text files have also been converted and integrated.
- Images in binary formats have been replaced with more source-friendly
versions.
- Various bits of organizational work, including the renaming of various
files discussed at the kernel summit.
- New documentation for the device_link mechanism.
...and, of course, lots of typo fixes and small updates.
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Merge tag 'docs-4.10' of git://git.lwn.net/linux
Pull documentation update from Jonathan Corbet:
"These are the documentation changes for 4.10.
It's another busy cycle for the docs tree, as the sphinx conversion
continues. Highlights include:
- Further work on PDF output, which remains a bit of a pain but
should be more solid now.
- Five more DocBook template files converted to Sphinx. Only 27 to
go... Lots of plain-text files have also been converted and
integrated.
- Images in binary formats have been replaced with more
source-friendly versions.
- Various bits of organizational work, including the renaming of
various files discussed at the kernel summit.
- New documentation for the device_link mechanism.
... and, of course, lots of typo fixes and small updates"
* tag 'docs-4.10' of git://git.lwn.net/linux: (193 commits)
dma-buf: Extract dma-buf.rst
Update Documentation/00-INDEX
docs: 00-INDEX: document directories/files with no docs
docs: 00-INDEX: remove non-existing entries
docs: 00-INDEX: add missing entries for documentation files/dirs
docs: 00-INDEX: consolidate process/ and admin-guide/ description
scripts: add a script to check if Documentation/00-INDEX is sane
Docs: change sh -> awk in REPORTING-BUGS
Documentation/core-api/device_link: Add initial documentation
core-api: remove an unexpected unident
ppc/idle: Add documentation for powersave=off
Doc: Correct typo, "Introdution" => "Introduction"
Documentation/atomic_ops.txt: convert to ReST markup
Documentation/local_ops.txt: convert to ReST markup
Documentation/assoc_array.txt: convert to ReST markup
docs-rst: parse-headers.pl: cleanup the documentation
docs-rst: fix media cleandocs target
docs-rst: media/Makefile: reorganize the rules
docs-rst: media: build SVG from graphviz files
docs-rst: replace bayer.png by a SVG image
...
define the bind/unbind sysfs interfaces for the fsl-mc bus
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For ASoC Intel SST Atom based devices a sysfs entry is created
in order to track FW version. The FW version is useful in order to
check the different Version of LPE DSP FW across Intel SoCs.
Signed-off-by: Sebastien Guiriec <sebastien.guiriec@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This adds a new block layer operation to zero out a range of
LBAs. This allows to implement zeroing for devices that don't use
either discard with a predictable zero pattern or WRITE SAME of zeroes.
The prominent example of that is NVMe with the Write Zeroes command,
but in the future, this should also help with improving the way
zeroing discards work. For this operation, suitable entry is exported in
sysfs which indicate the number of maximum bytes allowed in one
write zeroes operation by the device.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@hgst.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Merge contains:
*) Add new usb2 phy driver for Meson8b and GXBB
*) Remove phy drivers added for miphy365 and STiH415/6 (as support for
these SoCs are removed from the kernel)
*) Add a sysfs entry to facilitate usb role swap in rcar SoC
*) Add support for otg port in rk3399
*) misc fixes in various phy drivers and cleanups
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
phy: for 4.10
Merge contains:
*) Add new usb2 phy driver for Meson8b and GXBB
*) Remove phy drivers added for miphy365 and STiH415/6 (as support for
these SoCs are removed from the kernel)
*) Add a sysfs entry to facilitate usb role swap in rcar SoC
*) Add support for otg port in rk3399
*) misc fixes in various phy drivers and cleanups
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
sysfs-class-led fails to mention some important details. Also fix led
vs LED and english.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Currently the revision isn't available via sysfs/libudev thus if one wants
to know the value one needs to read through the config file, which can be
quite time-consuming because it wakes/powers up the device.
There are at least two userspace components which could make use the new
file: libpciaccess and libdrm. The former wakes up _every_ PCI device,
which can be observed via glxinfo when using Mesa 10.0+ drivers. The
latter, in association with Mesa 13.0, can lead to 2-3 second delays while
starting firefox, thunderbird or chromium.
Link: https://bugs.freedesktop.org/show_bug.cgi?id=98502
Tested-by: Mauro Santos <registo.mailling@gmail.com>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch
CC: Greg KH <gregkh@linuxfoundation.org>
There are systems in which the platform doesn't support any special
sleep states, so suspend-to-idle (PM_SUSPEND_FREEZE) is the only
available system sleep state. However, some user space frameworks
only use the "mem" and (sometimes) "standby" sleep state labels, so
the users of those systems need to modify user space in order to be
able to use system suspend at all and that may be a pain in practice.
Commit 0399d4db3e (PM / sleep: Introduce command line argument for
sleep state enumeration) attempted to address this problem by adding
a command line argument to change the meaning of the "mem" string in
/sys/power/state to make it trigger suspend-to-idle (instead of
suspend-to-RAM).
However, there also are systems in which the platform does support
special sleep states, but suspend-to-idle is the preferred one anyway
(it even may save more energy than the platform-provided sleep states
in some cases) and the above commit doesn't help in those cases.
For this reason, rework the system sleep state selection interface
again (but preserve backwards compatibiliby). Namely, add a new
sysfs file, /sys/power/mem_sleep, that will control the system
suspend mode triggered by writing "mem" to /sys/power/state (in
analogy with what /sys/power/disk does for hibernation). Make it
select suspend-to-RAM ("deep" sleep) by default (if supported) and
fall back to suspend-to-idle ("s2idle") otherwise and add a new
command line argument, mem_sleep_default, allowing that default to
be overridden if need be.
At the same time, drop the relative_sleep_states command line
argument that doesn't make sense any more.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Mario Limonciello <mario.limonciello@dell.com>
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Merge tag 'v4.9-rc4' into sound
Bring in -rc4 patches so I can successfully merge the sound doc changes.
This patch adds sysfs "role" for usb role swap. This parameter can be
read and write. If you use this file as the following, you can swap
the usb role.
For example:
1) Connect a usb cable using 2 Salvator-x boards
2) On A-Device (ID pin is low), you input the following command:
# echo peripheral > /sys/devices/platform/soc/ee080200.usb-phy/role
3) On B-Device (ID pin is high), you input the following command:
# echo host > /sys/devices/platform/soc/ee080200.usb-phy/role
Then, the A-device acts as a peripheral and the B-device acts as a host.
Please note that A-Device must input the following command if you
want the board to act as a host again. (even if you disconnect the usb
cable, since id state may be the same, the A-Device keeps to act as
peripheral.)
# echo host > /sys/devices/platform/soc/ee080200.usb-phy/role
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Includes Peter Rosin's interesting drivers for a comparator. First complex
use we have had with an analog front end made from discrete components.
Brian Masney's work on moving the tsl2583 driver out of staging also
feature extensively!
New Drivers
* DAC based on a digital potentiometer
- New driver for the use of a dpot as a DAC. Includes bindings and Axentia
entry in vendor prefixes.
* Envelope detector baed on DAC and a comparator including device tree
bindings.
Staging Graduation
* tsl2583.
Core new features
- Core provision for _available attributes. This one had been stalled for
a long time until Peter picked it up and ran with it!
- In kernel interface helpers to retrieve available info from channels.
Driver new features
* mcp4531
- Add range of available raw values (used for the dpot dac driver).
Driver cleanups and fixes for issues introduced
* ad7766
- Testing the wrong variable following devm_regulator_bulk_get introduced
with the driver earlier in this cycle.
* ad9832
- Fix a wrong ordering in the probe introduced in the previous set of
patches. A use before allocation bug.
* cros_ec_sensors
- Testing for an error in a u8 will never work.
* mpu3050
- Remove duplicate initializer for the module owner.
- Add missing i2c dependency.
- Inform the i2c mux core how it is used - step one in implifying device
tree bindings.
* st-sensors
- Get rid of large number of uninformative defines in favour of putting the
constants where they are relevant. It is clear what they are from where
they are used.
* tsl2583
- Fix unused function warning when CONFIG_PM disabled and remove the
ifdefs in favour of __maybe_unused.
- Refactor taos_chip_on to only read relevant registers.
- Make sure calibscale and integration time are being set.
- Verify chip is in ready to be used before calibration.
- Remove some repeated checks for chip status (it's protected by a mutex
so can't change until it's released)
- Change current state storage from a tristate enum to a boolean seeing as
only two values are actually used now.
- Drop a redundant write to the control regiser in taos_probe (it's a noop)
- Drop the FSF mailing address.
- Clean up logging to not use hard coded function names (use __func__
instead).
- Cleanup up variable and function name prefixes.
- Alignment of #define fixes.
- Fix comparison between signed and unsigned integer warnings.
- Add some newlines in favour of readability.
- Combine the two sysfs ABI docs that somehow ended up in different places.
- Fix multiline comment syntax.
- Move a code block to inside an else statement as it makes more sense there.
- Change tsl2583_als_calibrate to return 0 rather than a value nothing
reads.
- Drop some pointless brackets
- Don't assume 32bit unsigned int.
- Change to a per device instance lux table.
- Add missing tsl2583 to the list of supported devices in the intro comments.
- Improve commment on clearing of interrupts.
- Drop some uninformative comments.
- Drop a memset call that doesn't do anything useful any more.
- Don't initialize some return variables that are always set.
- Add Brian Masney as a module author after all these changes.
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Merge tag 'iio-for-4.10c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Third set of IIO new device support, features and cleanup for the 4.10 cycle.
Includes Peter Rosin's interesting drivers for a comparator. First complex
use we have had with an analog front end made from discrete components.
Brian Masney's work on moving the tsl2583 driver out of staging also
feature extensively!
New Drivers
* DAC based on a digital potentiometer
- New driver for the use of a dpot as a DAC. Includes bindings and Axentia
entry in vendor prefixes.
* Envelope detector baed on DAC and a comparator including device tree
bindings.
Staging Graduation
* tsl2583.
Core new features
- Core provision for _available attributes. This one had been stalled for
a long time until Peter picked it up and ran with it!
- In kernel interface helpers to retrieve available info from channels.
Driver new features
* mcp4531
- Add range of available raw values (used for the dpot dac driver).
Driver cleanups and fixes for issues introduced
* ad7766
- Testing the wrong variable following devm_regulator_bulk_get introduced
with the driver earlier in this cycle.
* ad9832
- Fix a wrong ordering in the probe introduced in the previous set of
patches. A use before allocation bug.
* cros_ec_sensors
- Testing for an error in a u8 will never work.
* mpu3050
- Remove duplicate initializer for the module owner.
- Add missing i2c dependency.
- Inform the i2c mux core how it is used - step one in implifying device
tree bindings.
* st-sensors
- Get rid of large number of uninformative defines in favour of putting the
constants where they are relevant. It is clear what they are from where
they are used.
* tsl2583
- Fix unused function warning when CONFIG_PM disabled and remove the
ifdefs in favour of __maybe_unused.
- Refactor taos_chip_on to only read relevant registers.
- Make sure calibscale and integration time are being set.
- Verify chip is in ready to be used before calibration.
- Remove some repeated checks for chip status (it's protected by a mutex
so can't change until it's released)
- Change current state storage from a tristate enum to a boolean seeing as
only two values are actually used now.
- Drop a redundant write to the control regiser in taos_probe (it's a noop)
- Drop the FSF mailing address.
- Clean up logging to not use hard coded function names (use __func__
instead).
- Cleanup up variable and function name prefixes.
- Alignment of #define fixes.
- Fix comparison between signed and unsigned integer warnings.
- Add some newlines in favour of readability.
- Combine the two sysfs ABI docs that somehow ended up in different places.
- Fix multiline comment syntax.
- Move a code block to inside an else statement as it makes more sense there.
- Change tsl2583_als_calibrate to return 0 rather than a value nothing
reads.
- Drop some pointless brackets
- Don't assume 32bit unsigned int.
- Change to a per device instance lux table.
- Add missing tsl2583 to the list of supported devices in the intro comments.
- Improve commment on clearing of interrupts.
- Drop some uninformative comments.
- Drop a memset call that doesn't do anything useful any more.
- Don't initialize some return variables that are always set.
- Add Brian Masney as a module author after all these changes.
Move tsl2580, tsl2581, tsl2583 driver out of staging into mainline.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
The DAC is used to find the peak level of an alternating voltage input
signal by a binary search using the output of a comparator wired to
an interrupt pin. Like so:
_
| \
input +------>-------|+ \
| \
.-------. | }---.
| | | / |
| dac|-->--|- / |
| | |_/ |
| | |
| | |
| irq|------<-------'
| |
'-------'
Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
It is assumed that the dpot is used as a voltage divider between the
current dpot wiper setting and the maximum resistance of the dpot. The
divided voltage is provided by a vref regulator.
.------.
.-----------. | |
| vref |--' .---.
| regulator |--. | |
'-----------' | | d |
| | p |
| | o | wiper
| | t |<---------+
| | |
| '---' dac output voltage
| |
'------+------------+
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Example:
$ cat '/sys/bus/iio/devices/iio:device0/out_resistance_raw_available'
[0 1 256]
Meaning: min 0, step 1 and max 256.
Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Minor doc fix, a DMI match for ideapad and a fix to toshiba-wmi to avoid loading
on non-toshiba systems.
Documentation/ABI:
- ibm_rtl: The "What:" fields are incomplete
toshiba-wmi:
- Fix loading the driver on non Toshiba laptops
ideapad-laptop:
- Add another DMI entry for Yoga 900
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Merge tag 'platform-drivers-x86-v4.9-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver fixes from Darren Hart:
"Minor doc fix, a DMI match for ideapad and a fix to toshiba-wmi to
avoid loading on non-toshiba systems.
Documentation/ABI:
- ibm_rtl: The "What:" fields are incomplete
toshiba-wmi:
- Fix loading the driver on non Toshiba laptops
ideapad-laptop:
- Add another DMI entry for Yoga 900"
* tag 'platform-drivers-x86-v4.9-3' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
Documentation/ABI: ibm_rtl: The "What:" fields are incomplete
toshiba-wmi: Fix loading the driver on non Toshiba laptops
ideapad-laptop: Add another DMI entry for Yoga 900
It is sometimes useful to know that a device is on the deferred probe
list rather than, say, not having a driver available. Expose this
information to user-space.
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This includes two branch merges for elements that may also go via MFD.
New device support
* cros_ec
- new driver to support these Chrome OS contiguous sensors which are behind
the Chrome OS embedded controller. Requires a few minor MFD and chrome
platform changes. One follow up fix deals with some dependency issues in
Kconfig.
* mpu-3050
- new driver and device tree bindings for this venerable device.
* st_accel
- support for the lng2dm an
Driver features
* ad7192
- Add DVdd regulator handling
* ad9832
- Add DVDD regulator handling
* at91
- Suspend and resume support
* si7020
- Device tree bindings
* ti-am335x
- DMA support - uses dma to accelerate short bursts of read back rather
than full blown DMA buffer support. Greatly improved performance.
Includes an MFD addition to give access to the address needed for DMA.
* tsl2583
- Device tree bindings
Cleanups and minor fixes
* ad7192
- Fix regulator naming to match datasheet
- Handle regulator errors correctly (so as to not break deferred probing)
- Rename reg variable to reflect which regulator it is
* ad5933
- Fix regulator naming to match datasheet
- Handle regulator errors correctly (so as to not break deferred probing)
* ad7746
- Fix a missing return value (fallout from previous patch set)
* ad7780
- Fix regulator naming to match datasheet
- Handle regulator errors correctly (so as to not break deferred probing)
* ad9832
- Fix regulator naming to match datasheet
- Handle regulator errors correctly (so as to not break deferred probing)
- Rename reg regulator to reflect which one it is
* ad9834
- Fix regulator naming to match datasheet
- Handle regulator errors correctly (so as to not break deferred probing)
* hts221
- Remove a duplicated include
* maxim thermocouple
- Handle a wrong storage side in read function. Prevent any problems that
might be introduced by additions to this driver in future.
* tsl2583 - big set from Brian Masney to drive this towards a staging
graduation.
- Convert to iio_chan_spec and read_raw / write_raw (in a couple of steps)
- Improved error handling in various functions
- Drop redundant power_state custom sysfs attribute.
- Use IIO_*_ATTR* macros for remaining attributes.
- Return an error code to userspace on invalid parameters being writen to
sysfs files.
- Add locking to various attribute accesses to remove possible races.
- Add defines for various magic numbers.
- Use smbus_read_byte_data instead of a write_byte followed by read_byte.
- Query only relevant registers in probe.
- Tidy up ordering of code comments.
- Remove a pointless power off sequence in taos_chip_on.
- Don't bother shutting down the chip when updating the lux table.
The table is held entirely in the driver and doesn't effect the chip at all.
- Drop a redundant i2c call in taos_als_calibrate where the same register
is read twice in a row.
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Merge tag 'iio-for-4.10b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-testing
Jonathan writes:
Second round of new device support, cleanups and fixes for IIO in the 4.10 cycle
This includes two branch merges for elements that may also go via MFD.
New device support
* cros_ec
- new driver to support these Chrome OS contiguous sensors which are behind
the Chrome OS embedded controller. Requires a few minor MFD and chrome
platform changes. One follow up fix deals with some dependency issues in
Kconfig.
* mpu-3050
- new driver and device tree bindings for this venerable device.
* st_accel
- support for the lng2dm an
Driver features
* ad7192
- Add DVdd regulator handling
* ad9832
- Add DVDD regulator handling
* at91
- Suspend and resume support
* si7020
- Device tree bindings
* ti-am335x
- DMA support - uses dma to accelerate short bursts of read back rather
than full blown DMA buffer support. Greatly improved performance.
Includes an MFD addition to give access to the address needed for DMA.
* tsl2583
- Device tree bindings
Cleanups and minor fixes
* ad7192
- Fix regulator naming to match datasheet
- Handle regulator errors correctly (so as to not break deferred probing)
- Rename reg variable to reflect which regulator it is
* ad5933
- Fix regulator naming to match datasheet
- Handle regulator errors correctly (so as to not break deferred probing)
* ad7746
- Fix a missing return value (fallout from previous patch set)
* ad7780
- Fix regulator naming to match datasheet
- Handle regulator errors correctly (so as to not break deferred probing)
* ad9832
- Fix regulator naming to match datasheet
- Handle regulator errors correctly (so as to not break deferred probing)
- Rename reg regulator to reflect which one it is
* ad9834
- Fix regulator naming to match datasheet
- Handle regulator errors correctly (so as to not break deferred probing)
* hts221
- Remove a duplicated include
* maxim thermocouple
- Handle a wrong storage side in read function. Prevent any problems that
might be introduced by additions to this driver in future.
* tsl2583 - big set from Brian Masney to drive this towards a staging
graduation.
- Convert to iio_chan_spec and read_raw / write_raw (in a couple of steps)
- Improved error handling in various functions
- Drop redundant power_state custom sysfs attribute.
- Use IIO_*_ATTR* macros for remaining attributes.
- Return an error code to userspace on invalid parameters being writen to
sysfs files.
- Add locking to various attribute accesses to remove possible races.
- Add defines for various magic numbers.
- Use smbus_read_byte_data instead of a write_byte followed by read_byte.
- Query only relevant registers in probe.
- Tidy up ordering of code comments.
- Remove a pointless power off sequence in taos_chip_on.
- Don't bother shutting down the chip when updating the lux table.
The table is held entirely in the driver and doesn't effect the chip at all.
- Drop a redundant i2c call in taos_als_calibrate where the same register
is read twice in a row.
The "What:" field at the ABI should describe the location of
the ABI, e. g. the position under a mounted sysfs. However,
this file has only the basename without the path.
Fix it.
Cc: Vernon Mauery <vernux@us.ibm.com>
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch adds a sysfs interface to rproc allowing the firmware name
and processor state to be changed dynamically.
State was previously available in debugfs, and is replicated here. The
firmware file allows retrieval of the running firmware name, and a new
one to be specified at run time, so long as the remote processor has
been stopped.
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The HBM protocol version is negotiated during the setup phase, then settled
on a highest possible common version of the driver and the firmware.
The sysfs API advertises both negotiated and driver supported versions
in the device attributes.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The "What:" field at the ABI should describe the location of
the ABI, e. g. the position under a mounted sysfs.
Fix it.
Cc: Mark Godfrey <mark.godfrey@stericsson.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: rtc-linux@googlegroups.com
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This resolves a merge issue with
drivers/staging/iio/accel/sca3000_core.c and we want the fixes all in
here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add the core functions to be able to support the sensors attached behind
the ChromeOS Embedded Controller and used by other IIO cros-ec sensor
drivers.
The cros_ec_sensor_core driver matches with current driver in ChromeOS
4.4 tree, so it includes all the fixes at the moment. The support for
this driver was made by Gwendal Grignou. The original patch and all the
fixes has been squashed and rebased on top of mainline.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Guenter Roeck <groeck@chromium.org>
[eballetbo: split, squash and rebase on top of mainline the patches
found in ChromeOS tree]
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
The previous patch renamed several files that are cross-referenced
along the Kernel documentation. Adjust the links to point to
the right places.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Fair number of outreachy related patches in here. Some of these may well
have already been picked up by Greg but git will sort that out for us.
Also some good staging cleanup work from other sources. Thanks Brian and Lars
in particular for this.
New device support
* ACCES 104-quad-8
- New driver for this 8 channel encoder input board. Lots of new ABI with
this one.
* AD7766
- New driver supporting AD7766, AD7766-1, AD7766-2, AD7767, AD7767-1 and
AD7767-2 24 bit ADCs.
* dmard 10
- New driver for this 3 axis accelerometer.
* Honeywell ABP pressure sensors.
- New driver covering 56 parts in this series (too many to list here!)
* HTS221
- New driver to support this relative humidiy and temperature device.
* LMP91000
- New driver for this potentiostat (form of chemical sensor). Nice example
of use of the buffered consumer interfaces and the use of a consumer
provided trigger.
* MiraMEMS DA311
- New driver for this 3 axis accelerometer.
* MiraMEMS DA280
- New driver for this 3 axis accelerometer. Follow up caught up with
vendor prefixes for these.
Staging graduations
* isl29018 light sensor
- Fixes and cleanups listed below (thanks for your hard work on this Brian!)
* sca3000
- Fixes and cleanups listed below. This was one of the small set of drivers
that went into staging when IIO was first added. Turns out it had a few
bugs and needed to be brought into the modern era! Not clear if I am
the only person who actually has one of these still wired to a board.
New features (Core)
- Add an iio_trigger_validate_own_device helper which relies on the device
and trigger having the same parent. Convenient to have this for some
of the more complex trigger / device interactions. Was hand rolled in
a few drivers already so good to bring it into the core.
- Add an iio_read_channel_offset in kernel access helper (similar to
the existing one for scale).
- IIO_ATTR_{RO, WO, RW} and IIO_DEVICE_ATTR_{RO, WO, RW} macros. These
lead some rather contrived function naming, but there is no denying they
do reduced boilerplate. I'm going to resist their introduction in
drivers 'unless' they form part of a larger set of cleanups.
- Counter channel type and index type.
New features (Drivers)
* hdc100x
- Triggered buffer support.
* mcp4725
- Device tree bindings and support.
- Voltage reference selection.
* ti-adc0832
- Triggered buffer support.
* ti-adc161s626
- Add regulator support allowing _scale and _offset values to be established
and exported.
New features (Tools)
* iio_generic_buffer
- -A option to force enable all channels rather than faulting if some are
already enabled (like -a does). Followup patches tidied this support up.
Cleanups (Core)
- Use kmalloc_array in iio_scan_mask_set.
- Take event_attrs field of iio_info structure constant
- Staging todo list updates. Most of it was long done.
- MAINTAINERS had a wrong directory listing.
Cleanups (Drivers)
* Missing i2c trivial devices entries.
* ad5592r
- Fix an endian type related sparse warnings.
* ad7150
- Constify the event attribute_group structures.
* ad7152
- Add some blank lines to improve readability.
- Sampling frequency control via chan-info element rather than hand rolled
attributes.
- add a new lock to avoid use of mlock for non state change related locking.
* ad7280
- Constify atrribute_group structure (second patch covers the event ones)
* ad7606 (Lars is driving most of the cleanup on this with some additions from
Eva)
- Fix improper setting of oversampling pins. This has been broken a very
long time in this staging driver, so not going to push this back to stable.
- Implement oversampling configuration via the chan_info mask element.
- Remove an unused int_vref_mv field.
- Remove a reundant name field from ad7606_chip_info.
- Remove default device configuration from platform_data in favour of
whatever the power on defaults are.
- Remove out of band error reporting in the kernel log as not providing
much information.
- Fix oversampling ratio by having 1 be the value for no oversampling.
- Avoid allocating buffer for each data capture.
- Factor out common code between periodic and one-shot capture.
- Move set_drvdat into common code.
- Let the common probe function return int rather than jumping through
an ERR_PTR.
- Pass struct device * into common remove to simplify code.
- Always run trigger handler only once per event (no one can remember why
it was being possibly done twice).
- Move over to the GPIO descriptor API to shorten and clarify code.
- Move the buffer code into the main file as it's not optional and is
now rather short in this driver.
- Fix the naming of the supply regulator.
- Rework regulator handling to handle errors including deferred probing.
- Tidy up a ptr_err or 0 return.
* ad7746
- Sampling frequency control via info_mask element rather than hand rolled
* ad7758
- Sampling frequency control via info_mask element rather than hand rolled
attributes.
* ad7816
- Constify the event attribute_group structure.
* adt7316
- Constify the event attribute group structures.
* ak8974
- Cleanup some sparse warnings about endian types.
* ak8975
- Cleanup some sparse warnings about endian types.
* bmi160
- Spare endian warning cleanups.
* isl29018 (towards staging graduation)
- Remove unusedvariables and defines.
- Improve consistency of error handling.
- Signed / unsigned comparison fixes.
- Use the IIO_DEVICE_ATTR_{RO, RW} macros
- Fix a race in in_illuminance_scale_available_show.
- Cleanup exit points of _read_raw
- Sanity check if in suspended state during a write_raw call as was already
done for read_raw.
- Document device tree bidnings.
- Document infrared supression controls.
- Add some newlines to improve readability and drop one that shouldn't be
there.
- Fix a poorly named functions name.
- Fix multiline coment syntax.
- Tidy up a pair or return statements by unifying them.
- Rename description in Kconfig for consistency with similar drivers.
* lidar
- cleanup power management by dropping unnecessary call.
* ltr501
- Use the claim_direct_mode helpers. Fix a race condition along the way.
* max1027
- Fix a dubious x | !y sparse warning.
- Use the new iio_trigger_validate_own_device helper.
* max440000
- Clean up some sparse warnings about endian types.
* mcp4725
- Use the regulator framework to establish the reference voltage rather than
getting it from platform data.
- Tidy up a comment typo.
- Fix a wrong PTR_ERR query (wrong regulator).
* mma7660
- Take a mma7660_nscale static.
* mma8452
- Use the new iio_trigger_validate_own_device helper.
- Use claim_direct_mode helpers - fix a race condition along the way.
* mpl3115
- Use claim_direct_mode helpers - fix a race condition along the way.
* ms65611
- Tidy up regulator error handling and clean out a static warning in the mix.
* sca3000
- Avoid a potential unitialized variable if a hardware read returns a value
that isn't actually supported (mostly warning supression).
- Fix a use before setting of the indio_dev->buffer pointer. Broken for
a very long time so not going to rush this into stable.
- Merge buffer file with core file. We used to always split these.
Sometimes it's just not worth the hassle. In this case the device's main
feature is it's hardware fifos so unlikely anyone would want to run it
without.
- Drop the sca3000_register_ring_funcs function as it's a pointless wrapper
once we have only one file.
- Fix cleaning of flag + setting of size of scan. Without this you can't
start the buffer twice and expect sensible (or any) results. Again,
broken for a long time so not heading for stable.
- Drop the custom watershed setting ABI - for now we'll just support one
value.
- Move to a hybrid hard / soft buffer design (how we've been doing it
for similar devices for a while now!)
- Cleanup some unusued variables.
- Use a fake channel to support core handling of freefall event registration.
- Cleanup the register defines.
- Fix an off by one error in axis due to IIO_NO_MOD taking up the 0 value.
Been broken since first admission of IIO to the staging tree.
- Add readback of the 3db low pass filter frequency and later writing
allowing droppign of custom measurement mode attributes as they can
be represented by the filter choices that is their main characteristic.
- Drop non standard revision attr and replace with dev_info on probe.
- Avoid a race in probe.
- Various formatting fixes.
- Kernel-docify docs that were very nearly in the write format.
* tsl2583
- Constify attribute_group structure.
* zpa2326
- Drop a redundant DEBUG ifdef.
Cleanups (Tools)
* iio_generic_buffer
- Fix the ? arguement. Previously it sort of worked as you got the help
message as a result of it not recognising the arguement.
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Merge tag 'iio-for-4.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First round of IIO new device support, features and cleanups for the 4.10 cycle.
Fair number of outreachy related patches in here. Some of these may well
have already been picked up by Greg but git will sort that out for us.
Also some good staging cleanup work from other sources. Thanks Brian and Lars
in particular for this.
New device support
* ACCES 104-quad-8
- New driver for this 8 channel encoder input board. Lots of new ABI with
this one.
* AD7766
- New driver supporting AD7766, AD7766-1, AD7766-2, AD7767, AD7767-1 and
AD7767-2 24 bit ADCs.
* dmard 10
- New driver for this 3 axis accelerometer.
* Honeywell ABP pressure sensors.
- New driver covering 56 parts in this series (too many to list here!)
* HTS221
- New driver to support this relative humidiy and temperature device.
* LMP91000
- New driver for this potentiostat (form of chemical sensor). Nice example
of use of the buffered consumer interfaces and the use of a consumer
provided trigger.
* MiraMEMS DA311
- New driver for this 3 axis accelerometer.
* MiraMEMS DA280
- New driver for this 3 axis accelerometer. Follow up caught up with
vendor prefixes for these.
Staging graduations
* isl29018 light sensor
- Fixes and cleanups listed below (thanks for your hard work on this Brian!)
* sca3000
- Fixes and cleanups listed below. This was one of the small set of drivers
that went into staging when IIO was first added. Turns out it had a few
bugs and needed to be brought into the modern era! Not clear if I am
the only person who actually has one of these still wired to a board.
New features (Core)
- Add an iio_trigger_validate_own_device helper which relies on the device
and trigger having the same parent. Convenient to have this for some
of the more complex trigger / device interactions. Was hand rolled in
a few drivers already so good to bring it into the core.
- Add an iio_read_channel_offset in kernel access helper (similar to
the existing one for scale).
- IIO_ATTR_{RO, WO, RW} and IIO_DEVICE_ATTR_{RO, WO, RW} macros. These
lead some rather contrived function naming, but there is no denying they
do reduced boilerplate. I'm going to resist their introduction in
drivers 'unless' they form part of a larger set of cleanups.
- Counter channel type and index type.
New features (Drivers)
* hdc100x
- Triggered buffer support.
* mcp4725
- Device tree bindings and support.
- Voltage reference selection.
* ti-adc0832
- Triggered buffer support.
* ti-adc161s626
- Add regulator support allowing _scale and _offset values to be established
and exported.
New features (Tools)
* iio_generic_buffer
- -A option to force enable all channels rather than faulting if some are
already enabled (like -a does). Followup patches tidied this support up.
Cleanups (Core)
- Use kmalloc_array in iio_scan_mask_set.
- Take event_attrs field of iio_info structure constant
- Staging todo list updates. Most of it was long done.
- MAINTAINERS had a wrong directory listing.
Cleanups (Drivers)
* Missing i2c trivial devices entries.
* ad5592r
- Fix an endian type related sparse warnings.
* ad7150
- Constify the event attribute_group structures.
* ad7152
- Add some blank lines to improve readability.
- Sampling frequency control via chan-info element rather than hand rolled
attributes.
- add a new lock to avoid use of mlock for non state change related locking.
* ad7280
- Constify atrribute_group structure (second patch covers the event ones)
* ad7606 (Lars is driving most of the cleanup on this with some additions from
Eva)
- Fix improper setting of oversampling pins. This has been broken a very
long time in this staging driver, so not going to push this back to stable.
- Implement oversampling configuration via the chan_info mask element.
- Remove an unused int_vref_mv field.
- Remove a reundant name field from ad7606_chip_info.
- Remove default device configuration from platform_data in favour of
whatever the power on defaults are.
- Remove out of band error reporting in the kernel log as not providing
much information.
- Fix oversampling ratio by having 1 be the value for no oversampling.
- Avoid allocating buffer for each data capture.
- Factor out common code between periodic and one-shot capture.
- Move set_drvdat into common code.
- Let the common probe function return int rather than jumping through
an ERR_PTR.
- Pass struct device * into common remove to simplify code.
- Always run trigger handler only once per event (no one can remember why
it was being possibly done twice).
- Move over to the GPIO descriptor API to shorten and clarify code.
- Move the buffer code into the main file as it's not optional and is
now rather short in this driver.
- Fix the naming of the supply regulator.
- Rework regulator handling to handle errors including deferred probing.
- Tidy up a ptr_err or 0 return.
* ad7746
- Sampling frequency control via info_mask element rather than hand rolled
* ad7758
- Sampling frequency control via info_mask element rather than hand rolled
attributes.
* ad7816
- Constify the event attribute_group structure.
* adt7316
- Constify the event attribute group structures.
* ak8974
- Cleanup some sparse warnings about endian types.
* ak8975
- Cleanup some sparse warnings about endian types.
* bmi160
- Spare endian warning cleanups.
* isl29018 (towards staging graduation)
- Remove unusedvariables and defines.
- Improve consistency of error handling.
- Signed / unsigned comparison fixes.
- Use the IIO_DEVICE_ATTR_{RO, RW} macros
- Fix a race in in_illuminance_scale_available_show.
- Cleanup exit points of _read_raw
- Sanity check if in suspended state during a write_raw call as was already
done for read_raw.
- Document device tree bidnings.
- Document infrared supression controls.
- Add some newlines to improve readability and drop one that shouldn't be
there.
- Fix a poorly named functions name.
- Fix multiline coment syntax.
- Tidy up a pair or return statements by unifying them.
- Rename description in Kconfig for consistency with similar drivers.
* lidar
- cleanup power management by dropping unnecessary call.
* ltr501
- Use the claim_direct_mode helpers. Fix a race condition along the way.
* max1027
- Fix a dubious x | !y sparse warning.
- Use the new iio_trigger_validate_own_device helper.
* max440000
- Clean up some sparse warnings about endian types.
* mcp4725
- Use the regulator framework to establish the reference voltage rather than
getting it from platform data.
- Tidy up a comment typo.
- Fix a wrong PTR_ERR query (wrong regulator).
* mma7660
- Take a mma7660_nscale static.
* mma8452
- Use the new iio_trigger_validate_own_device helper.
- Use claim_direct_mode helpers - fix a race condition along the way.
* mpl3115
- Use claim_direct_mode helpers - fix a race condition along the way.
* ms65611
- Tidy up regulator error handling and clean out a static warning in the mix.
* sca3000
- Avoid a potential unitialized variable if a hardware read returns a value
that isn't actually supported (mostly warning supression).
- Fix a use before setting of the indio_dev->buffer pointer. Broken for
a very long time so not going to rush this into stable.
- Merge buffer file with core file. We used to always split these.
Sometimes it's just not worth the hassle. In this case the device's main
feature is it's hardware fifos so unlikely anyone would want to run it
without.
- Drop the sca3000_register_ring_funcs function as it's a pointless wrapper
once we have only one file.
- Fix cleaning of flag + setting of size of scan. Without this you can't
start the buffer twice and expect sensible (or any) results. Again,
broken for a long time so not heading for stable.
- Drop the custom watershed setting ABI - for now we'll just support one
value.
- Move to a hybrid hard / soft buffer design (how we've been doing it
for similar devices for a while now!)
- Cleanup some unusued variables.
- Use a fake channel to support core handling of freefall event registration.
- Cleanup the register defines.
- Fix an off by one error in axis due to IIO_NO_MOD taking up the 0 value.
Been broken since first admission of IIO to the staging tree.
- Add readback of the 3db low pass filter frequency and later writing
allowing droppign of custom measurement mode attributes as they can
be represented by the filter choices that is their main characteristic.
- Drop non standard revision attr and replace with dev_info on probe.
- Avoid a race in probe.
- Various formatting fixes.
- Kernel-docify docs that were very nearly in the write format.
* tsl2583
- Constify attribute_group structure.
* zpa2326
- Drop a redundant DEBUG ifdef.
Cleanups (Tools)
* iio_generic_buffer
- Fix the ? arguement. Previously it sort of worked as you got the help
message as a result of it not recognising the arguement.
Add ABI documentation from the ISL29018 Data Sheet (FN6619.4, Oct 8,
2012) about the infrared suppression that can be controlled
with the proximity_on_chip_ambient_infrared_suppression sysfs attribute.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch prevents resetting the cxl adapter via sysfs in presence of
one or more active cxl_context on it. This protects against an
unrecoverable error caused by PSL owning a dirty cache line even after
reset and host tries to touch the same cache line. In case a force reset
of the card is required irrespective of any active contexts, the int
value -1 can be stored in the 'reset' sysfs attribute of the card.
The patch introduces a new atomic_t member named contexts_num inside
struct cxl that holds the number of active context attached to the card
, which is checked against '0' before proceeding with the reset. To
prevent against a race condition where a context is activated just after
reset check is performed, the contexts_num is atomically set to '-1'
after reset-check to indicate that no more contexts can be activated on
the card anymore.
Before activating a context we atomically test if contexts_num is
non-negative and if so, increment its value by one. In case the value of
contexts_num is negative then it indicates that the card is about to be
reset and context activation is error-ed out at that point.
Fixes: 62fa19d4b4 ("cxl: Add ability to reset the card")
Cc: stable@vger.kernel.org # v4.0+
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
The queue limits already have a 'chunk_sectors' setting, so
we should be presenting it via sysfs.
Signed-off-by: Hannes Reinecke <hare@suse.de>
[Damien: Updated Documentation/ABI/testing/sysfs-block]
Signed-off-by: Damien Le Moal <damien.lemoal@hgst.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Shaun Tancheff <shaun.tancheff@seagate.com>
Tested-by: Shaun Tancheff <shaun.tancheff@seagate.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Add the zoned queue limit to indicate the zoning model of a block device.
Defined values are 0 (BLK_ZONED_NONE) for regular block devices,
1 (BLK_ZONED_HA) for host-aware zone block devices and 2 (BLK_ZONED_HM)
for host-managed zone block devices. The standards defined drive managed
model is not defined here since these block devices do not provide any
command for accessing zone information. Drive managed model devices will
be reported as BLK_ZONED_NONE.
The helper functions blk_queue_zoned_model and bdev_zoned_model return
the zoned limit and the functions blk_queue_is_zoned and bdev_is_zoned
return a boolean for callers to test if a block device is zoned.
The zoned attribute is also exported as a string to applications via
sysfs. BLK_ZONED_NONE shows as "none", BLK_ZONED_HA as "host-aware" and
BLK_ZONED_HM as "host-managed".
Signed-off-by: Damien Le Moal <damien.lemoal@hgst.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Shaun Tancheff <shaun.tancheff@seagate.com>
Tested-by: Shaun Tancheff <shaun.tancheff@seagate.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
with maintenance operations offloaded to userspace (Douglas Fuller,
Mike Christie and myself). Another block device bullet is a series
fixing up layering error paths (myself).
On the filesystem side, we've got patches that improve our handling of
buffered vs dio write races (Neil Brown) and a few assorted fixes from
Zheng. Also included a couple of random cleanups and a minor CRUSH
update.
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Merge tag 'ceph-for-4.9-rc1' of git://github.com/ceph/ceph-client
Pull Ceph updates from Ilya Dryomov:
"The big ticket item here is support for rbd exclusive-lock feature,
with maintenance operations offloaded to userspace (Douglas Fuller,
Mike Christie and myself). Another block device bullet is a series
fixing up layering error paths (myself).
On the filesystem side, we've got patches that improve our handling of
buffered vs dio write races (Neil Brown) and a few assorted fixes from
Zheng. Also included a couple of random cleanups and a minor CRUSH
update"
* tag 'ceph-for-4.9-rc1' of git://github.com/ceph/ceph-client: (39 commits)
crush: remove redundant local variable
crush: don't normalize input of crush_ln iteratively
libceph: ceph_build_auth() doesn't need ceph_auth_build_hello()
libceph: use CEPH_AUTH_UNKNOWN in ceph_auth_build_hello()
ceph: fix description for rsize and rasize mount options
rbd: use kmalloc_array() in rbd_header_from_disk()
ceph: use list_move instead of list_del/list_add
ceph: handle CEPH_SESSION_REJECT message
ceph: avoid accessing / when mounting a subpath
ceph: fix mandatory flock check
ceph: remove warning when ceph_releasepage() is called on dirty page
ceph: ignore error from invalidate_inode_pages2_range() in direct write
ceph: fix error handling of start_read()
rbd: add rbd_obj_request_error() helper
rbd: img_data requests don't own their page array
rbd: don't call rbd_osd_req_format_read() for !img_data requests
rbd: rework rbd_img_obj_exists_submit() error paths
rbd: don't crash or leak on errors in rbd_img_obj_parent_read_full_callback()
rbd: move bumping img_request refcount into rbd_obj_request_submit()
rbd: mark the original request as done if stat request fails
...
Pull HID updates from Jiri Kosina:
- Integrated Sensor Hub support (Cherrytrail+) from Srinivas Pandruvada
- Big cleanup of Wacom driver; namely it's now using devres, and the
standardized LED API so that libinput doesn't need to have root
access any more, with substantial amount of other cleanups
piggy-backing on top. All this from Benjamin Tissoires
- Report descriptor parsing would now ignore and out-of-range System
controls in case of the application actually being System Control.
This fixes quite some issues with several devices, and allows us to
remove a few ->report_fixup callbacks. From Benjamin Tissoires
- ... a lot of other assorted small fixes and device ID additions
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (76 commits)
HID: add missing \n to end of dev_warn messages
HID: alps: fix multitouch cursor issue
HID: hid-logitech: Documentation updates/corrections
HID: hid-logitech: Improve Wingman Formula Force GP support
HID: hid-logitech: Rewrite of descriptor for all DF wheels
HID: hid-logitech: Compute combined pedals value
HID: hid-logitech: Add combined pedal support Logitech wheels
HID: hid-logitech: Introduce control for combined pedals feature
HID: sony: Update copyright and add Dualshock 4 rate control note
HID: sony: Defer the initial USB Sixaxis output report
HID: sony: Relax duplicate checking for USB-only devices
Revert "HID: microsoft: fix invalid rdesc for 3k kbd"
HID: alps: fix error return code in alps_input_configured()
HID: alps: fix stick device not working after resume
HID: support for keyboard - Corsair STRAFE
HID: alps: Fix memory leak
HID: uclogic: Add support for UC-Logic TWHA60 v3
HID: uclogic: Override constant descriptors
HID: uclogic: Support UGTizer GP0610 partially
HID: uclogic: Add support for several more tablets
...
Pull LED driver updates from Jacek Anaszewski:
"Three new LED class drivers and some minor fixes and improvementes to
the leds-gpio driver, LED Trigger core and documentation"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: triggers: Check return value of kobject_uevent_env()
leds: triggers: Return from led_trigger_set() if there is nothing to do
leds: gpio: fix and simplify error handling in gpio_leds_create
leds: gpio: switch to managed version of led_classdev_register
leds: gpio: fix and simplify reading property "label"
leds: gpio: simplify gpio_leds_create
leds: gpio: add helper cdev_to_gpio_led_data
leds: gpio: fix an unhandled error case in create_gpio_led
leds: gpio: introduce gpio_blink_set_t
leds: add driver for Mellanox systems LEDs
Documentation: move oneshot trigger attributes documentation to ABI
leds: centralize definition of "default-state" property
leds: add PM8058 LEDs driver
leds: pm8058: add device tree bindings
leds: do not overflow sysfs buffer in led_trigger_show
leds: make triggers explicitly non-modular
DT: leds: Add bindings for ISSI is31fl319x
leds: is31fl319x: 1/3/6/9-channel light effect led driver
Here is the big USB, and PHY, and extcon, patchsets for 4.9-rc1.
Full details are in the shortlog, but generally a lot of new hardware
support, usb gadget updates, and Wolfram's great cleanup of USB error
message handling, making the kernel image a tad bit smaller.
All of this has been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull usb/phy/extcon updates from Greg KH:
"Here is the big USB, and PHY, and extcon, patchsets for 4.9-rc1.
Full details are in the shortlog, but generally a lot of new hardware
support, usb gadget updates, and Wolfram's great cleanup of USB error
message handling, making the kernel image a tad bit smaller.
All of this has been in linux-next with no reported issues"
* tag 'usb-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (343 commits)
Revert "usbtmc: convert to devm_kzalloc"
USB: serial: cp210x: Add ID for a Juniper console
usb: Kconfig: using select for USB_COMMON dependency
bluetooth: bcm203x: don't print error when allocating urb fails
mmc: host: vub300: don't print error when allocating urb fails
usb: hub: change CLEAR_FEATURE to SET_FEATURE
usb: core: Introduce a USB port LED trigger
USB: bcma: drop Northstar PHY 2.0 initialization code
usb: core: hcd: add missing header dependencies
usb: musb: da8xx: fix error handling message in probe
usb: musb: Fix session based PM for first invalid VBUS
usb: musb: Fix PM runtime for disconnect after unconfigure
musb: Export musb_root_disconnect for use in modules
usb: misc: legousbtower: Fix NULL pointer deference
cdc-acm: hardening against malicious devices
Revert "usb: gadget: NCM: Protect dev->port_usb using dev->lock"
include: extcon: Fix compilation error caused because of incomplete merge
MAINTAINERS: add tree entry for USB Serial
phy-twl4030-usb: initialize charging-related stuff via pm_runtime
phy-twl4030-usb: better handle musb_mailbox() failure
...
Here's the "big" char and misc driver update for 4.9-rc1.
Lots of little things here, all over the driver tree for subsystems that
flow through me. Nothing major that I can discern, full details are in
the shortlog.
All have been in the linux-next tree with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here's the "big" char and misc driver update for 4.9-rc1.
Lots of little things here, all over the driver tree for subsystems
that flow through me. Nothing major that I can discern, full details
are in the shortlog.
All have been in the linux-next tree with no reported issues"
* tag 'char-misc-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (144 commits)
drivers/misc/hpilo: Changes to support new security states in iLO5 FW
at25: fix debug and error messaging
misc/genwqe: ensure zero initialization
vme: fake: remove unexpected unlock in fake_master_set()
vme: fake: mark symbols static where possible
spmi: pmic-arb: Return an error code if sanity check fails
Drivers: hv: get rid of id in struct vmbus_channel
Drivers: hv: make VMBus bus ids persistent
mcb: Add a dma_device to mcb_device
mcb: Enable PCI bus mastering by default
mei: stop the stall timer worker if not needed
clk: probe common clock drivers earlier
vme: fake: fix build for 64-bit dma_addr_t
ttyprintk: Neaten and simplify printing
mei: me: add kaby point device ids
coresight: tmc: mark symbols static where possible
coresight: perf: deal with error condition properly
Drivers: hv: hv_util: Avoid dynamic allocation in time synch
fpga manager: Add hardware dependency to Zynq driver
Drivers: hv: utils: Support TimeSync version 4.0 protocol samples.
...
The ACCES 104-QUAD-8 is a general purpose quadrature encoder
counter/interface board. The 104-QUAD-8 is capable of monitoring the
outputs of eight encoders via four on-board LSI/CSI LS7266R1 24-bit
dual-axis quadrature counter chips. Core functions handled by the
LS7266R1, such as direction and total count, are available.
Performing a write to a counter's IIO_CHAN_INFO_RAW sets the counter and
also clears the counter's respective error flag. Although the counters
have a 25-bit range, only the lower 24 bits may be set, either directly
or via a counter's preset attribute. Interrupts are not supported by
this driver.
This driver adds IIO support for the ACCES 104-QUAD-8 and ACCES
104-QUAD-4. The base port addresses for the devices may be configured
via the base array module parameter.
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Quadrature encoders, such as rotary encoders and linear encoders, are
devices which are capable of encoding the relative position and
direction of motion of a shaft. This patch introduces several IIO
constants for supporting quadrature encoder counter devices.
IIO_COUNT: Current count (main data provided by the counter device)
IIO_INDEX: Counter device index value
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit adds a new trigger responsible for turning on LED when USB
device gets connected to the selected USB port. This can can useful for
various home routers that have USB port(s) and a proper LED telling user
a device is connected.
The trigger gets its documentation file but basically it just requires
enabling it and selecting USB ports (e.g. echo 1 > ports/usb1-1).
There was a long discussion on design of this driver. Its current state
is a result of picking them most adjustable solution as others couldn't
handle all cases.
1) It wasn't possible for the driver to register separated trigger for
each USB port. Some physical USB ports are handled by more than one
controller and so by more than one USB port. E.g. USB 2.0 physical
port may be handled by OHCI's port and EHCI's port.
It's also not possible to assign more than 1 trigger to a single LED
and implementing such feature would be tricky due to syncing triggers
and sysfs conflicts with old triggers.
2) Another idea was to register trigger per USB hub. This wouldn't allow
handling devices with multiple USB LEDs and controllers (hubs)
controlling more than 1 physical port. It's common for hubs to have
few ports and each may have its own LED.
This final trigger is highly flexible. It allows selecting any USB ports
for any LED. It was also modified (comparing to the initial version) to
allow choosing ports rather than having user /guess/ proper names. It
was successfully tested on SmartRG SR400ac which has 3 USB LEDs,
2 physical ports and 3 controllers.
It was noted USB subsystem already has usb-gadget and usb-host triggers
but they are pretty trivial ones. They indicate activity only and can't
have ports specified.
In future it may be good idea to consider adding activity support to
usbport as well. This should allow switching to this more generic driver
and maybe marking old ones as obsolete.
This can be implemented with another sysfs file for setting mode. The
default mode wouldn't change so there won't be ABI breakage and so such
feature can be safely implemented later.
There was also an idea of supporting other devices (PCI, SDIO, etc.) but
as this driver already contains some USB specific code (and will get
more) these should be probably separated drivers (triggers).
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce a dev_attr which can be used to combine the accelerator
and brake pedals into a single axis. This is useful for older games
which can not handle seperate accelerator and brake.
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
- ACPI IORT core code
- IORT support for the GICv3 ITS
- A few of GIC cleanups
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Merge tag 'irqchip-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Merge the first drop of irqchip updates for 4.9 from Marc Zyngier:
- ACPI IORT core code
- IORT support for the GICv3 ITS
- A few of GIC cleanups
Information about interrupts is exposed via /proc/interrupts, but the
format of that file has changed over kernel versions and differs across
architectures. It also has varying column numbers depending on hardware.
That all makes it hard for tools to parse.
To solve this, expose the information through sysfs so each irq attribute
is in a separate file in a consistent, machine parsable way.
This feature is only available when both CONFIG_SPARSE_IRQ and
CONFIG_SYSFS are enabled.
Examples:
/sys/kernel/irq/18/actions: i801_smbus,ehci_hcd:usb1,uhci_hcd:usb7
/sys/kernel/irq/18/chip_name: IR-IO-APIC
/sys/kernel/irq/18/hwirq: 18
/sys/kernel/irq/18/name: fasteoi
/sys/kernel/irq/18/per_cpu_count: 0,0
/sys/kernel/irq/18/type: level
/sys/kernel/irq/25/actions: ahci0
/sys/kernel/irq/25/chip_name: IR-PCI-MSI
/sys/kernel/irq/25/hwirq: 512000
/sys/kernel/irq/25/name: edge
/sys/kernel/irq/25/per_cpu_count: 29036,0
/sys/kernel/irq/25/type: edge
[ tglx: Moved kobject_del() under sparse_irq_lock, massaged code comments
and changelog ]
Signed-off-by: Craig Gallek <kraig@google.com>
Cc: David Decotigny <decot@google.com>
Link: http://lkml.kernel.org/r/1473783291-122873-1-git-send-email-kraigatgoog@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Patches merged to the IIO BMP085 driver makes it fully compliant
with all features found in this old misc driver. Retire this old
driver in favor of the new one in the proper subsystem.
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Marek Belisko <marek@goldelico.com>
Acked-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation of sysfs interface should be in ABI in the first place.
This moves relevant part of documentation and mentions where to look for
it.
Fix trivial typos whilst we are at it.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
This adds a force close option, so we can force the unmapping
of a rbd device that is open. If a path/device is blacklisted, apps
like multipathd can map a new device and then unmap the old one.
The unmapping cleanup would then be handled by the generic hotunplug
code paths in multipahd like is done for iSCSI, FC/FCOE, SAS, etc.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Export the info used to setup the rbd image, so it can be used to remap
the image.
Signed-off-by: Mike Christie <mchristi@redhat.com>
[idryomov@gmail.com: do_rbd_add() EH]
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Export snap id in sysfs, so tools like multipathd can use it in a uuid.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Export the cluster fsid, so tools like udev and multipath-tools can use
it for part of the uuid.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Export client addr/nonce, so userspace can check if a image is being
blacklisted.
Signed-off-by: Mike Christie <mchristi@redhat.com>
[idryomov@gmail.com: ceph_client_addr(), endianess fix]
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Change my email address to kernel.org instead of Samsung one for the
purpose of any future contact. The copyrights remain untouched and are
attributed to Samsung.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This set of changes improve some aspects of the atomic API as well as
make use of this new API in the regulator framework to allow properly
dealing with critical regulators controlled by a PWM.
Aside from that there's a bunch of updates and cleanups for existing
drivers, as well as the addition of new drivers for the Broadcom iProc,
STMPE and ChromeOS EC controllers.
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Merge tag 'pwm/for-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This set of changes improve some aspects of the atomic API as well as
make use of this new API in the regulator framework to allow properly
dealing with critical regulators controlled by a PWM.
Aside from that there's a bunch of updates and cleanups for existing
drivers, as well as the addition of new drivers for the Broadcom
iProc, STMPE and ChromeOS EC controllers"
* tag 'pwm/for-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (44 commits)
regulator: pwm: Document pwm-dutycycle-unit and pwm-dutycycle-range
regulator: pwm: Support extra continuous mode cases
pwm: Add ChromeOS EC PWM driver
dt-bindings: pwm: Add binding for ChromeOS EC PWM
mfd: cros_ec: Add EC_PWM function definitions
mfd: cros_ec: Add cros_ec_cmd_xfer_status() helper
pwm: atmel: Use of_device_get_match_data()
pwm: atmel: Fix checkpatch warnings
pwm: atmel: Fix disabling of PWM channels
dt-bindings: pwm: Add R-Car H3 device tree bindings
pwm: rcar: Use ARCH_RENESAS
pwm: tegra: Add support for Tegra186
dt-bindings: pwm: tegra: Add compatible string for Tegra186
pwm: tegra: Avoid overflow when calculating duty cycle
pwm: tegra: Allow 100 % duty cycle
pwm: tegra: Add support for reset control
pwm: tegra: Rename mmio_base to regs
pwm: tegra: Remove useless padding
pwm: tegra: Drop NUM_PWM macro
pwm: lpc32xx: Set PWM_PIN_LEVEL bit to default value
...
The now obsolete sysfs files for LEDs and EKRemote are kept for backward
compatibility.
Both the EKR (read-only) and the regular Cintiqs and Intuos are now
sharing the same led API.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull networking updates from David Miller:
1) Unified UDP encapsulation offload methods for drivers, from
Alexander Duyck.
2) Make DSA binding more sane, from Andrew Lunn.
3) Support QCA9888 chips in ath10k, from Anilkumar Kolli.
4) Several workqueue usage cleanups, from Bhaktipriya Shridhar.
5) Add XDP (eXpress Data Path), essentially running BPF programs on RX
packets as soon as the device sees them, with the option to mirror
the packet on TX via the same interface. From Brenden Blanco and
others.
6) Allow qdisc/class stats dumps to run lockless, from Eric Dumazet.
7) Add VLAN support to b53 and bcm_sf2, from Florian Fainelli.
8) Simplify netlink conntrack entry layout, from Florian Westphal.
9) Add ipv4 forwarding support to mlxsw spectrum driver, from Ido
Schimmel, Yotam Gigi, and Jiri Pirko.
10) Add SKB array infrastructure and convert tun and macvtap over to it.
From Michael S Tsirkin and Jason Wang.
11) Support qdisc packet injection in pktgen, from John Fastabend.
12) Add neighbour monitoring framework to TIPC, from Jon Paul Maloy.
13) Add NV congestion control support to TCP, from Lawrence Brakmo.
14) Add GSO support to SCTP, from Marcelo Ricardo Leitner.
15) Allow GRO and RPS to function on macsec devices, from Paolo Abeni.
16) Support MPLS over IPV4, from Simon Horman.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1622 commits)
xgene: Fix build warning with ACPI disabled.
be2net: perform temperature query in adapter regardless of its interface state
l2tp: Correctly return -EBADF from pppol2tp_getname.
net/mlx5_core/health: Remove deprecated create_singlethread_workqueue
net: ipmr/ip6mr: update lastuse on entry change
macsec: ensure rx_sa is set when validation is disabled
tipc: dump monitor attributes
tipc: add a function to get the bearer name
tipc: get monitor threshold for the cluster
tipc: make cluster size threshold for monitoring configurable
tipc: introduce constants for tipc address validation
net: neigh: disallow transition to NUD_STALE if lladdr is unchanged in neigh_update()
MAINTAINERS: xgene: Add driver and documentation path
Documentation: dtb: xgene: Add MDIO node
dtb: xgene: Add MDIO node
drivers: net: xgene: ethtool: Use phy_ethtool_gset and sset
drivers: net: xgene: Use exported functions
drivers: net: xgene: Enable MDIO driver
drivers: net: xgene: Add backward compatibility
drivers: net: phy: xgene: Add MDIO driver
...
- Kexec support for arm64
- Kprobes support
- Expose MIDR_EL1 and REVIDR_EL1 CPU identification registers to sysfs
- Trapping of user space cache maintenance operations and emulation in
the kernel (CPU errata workaround)
- Clean-up of the early page tables creation (kernel linear mapping, EFI
run-time maps) to avoid splitting larger blocks (e.g. pmds) into
smaller ones (e.g. ptes)
- VDSO support for CLOCK_MONOTONIC_RAW in clock_gettime()
- ARCH_HAS_KCOV enabled for arm64
- Optimise IP checksum helpers
- SWIOTLB optimisation to only allocate/initialise the buffer if the
available RAM is beyond the 32-bit mask
- Properly handle the "nosmp" command line argument
- Fix for the initialisation of the CPU debug state during early boot
- vdso-offsets.h build dependency workaround
- Build fix when RANDOMIZE_BASE is enabled with MODULES off
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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:
- Kexec support for arm64
- Kprobes support
- Expose MIDR_EL1 and REVIDR_EL1 CPU identification registers to sysfs
- Trapping of user space cache maintenance operations and emulation in
the kernel (CPU errata workaround)
- Clean-up of the early page tables creation (kernel linear mapping,
EFI run-time maps) to avoid splitting larger blocks (e.g. pmds) into
smaller ones (e.g. ptes)
- VDSO support for CLOCK_MONOTONIC_RAW in clock_gettime()
- ARCH_HAS_KCOV enabled for arm64
- Optimise IP checksum helpers
- SWIOTLB optimisation to only allocate/initialise the buffer if the
available RAM is beyond the 32-bit mask
- Properly handle the "nosmp" command line argument
- Fix for the initialisation of the CPU debug state during early boot
- vdso-offsets.h build dependency workaround
- Build fix when RANDOMIZE_BASE is enabled with MODULES off
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (64 commits)
arm64: arm: Fix-up the removal of the arm64 regs_query_register_name() prototype
arm64: Only select ARM64_MODULE_PLTS if MODULES=y
arm64: mm: run pgtable_page_ctor() on non-swapper translation table pages
arm64: mm: make create_mapping_late() non-allocating
arm64: Honor nosmp kernel command line option
arm64: Fix incorrect per-cpu usage for boot CPU
arm64: kprobes: Add KASAN instrumentation around stack accesses
arm64: kprobes: Cleanup jprobe_return
arm64: kprobes: Fix overflow when saving stack
arm64: kprobes: WARN if attempting to step with PSTATE.D=1
arm64: debug: remove unused local_dbg_{enable, disable} macros
arm64: debug: remove redundant spsr manipulation
arm64: debug: unmask PSTATE.D earlier
arm64: localise Image objcopy flags
arm64: ptrace: remove extra define for CPSR's E bit
kprobes: Add arm64 case in kprobe example module
arm64: Add kernel return probes support (kretprobes)
arm64: Add trampoline code for kretprobes
arm64: kprobes instruction simulation support
arm64: Treat all entry code as non-kprobe-able
...
- Support for ACPI SSDT overlays allowing Secondary System
Description Tables (SSDTs) to be loaded at any time from EFI
variables or via configfs (Octavian Purdila, Mika Westerberg).
- Support for the ACPI LPI (Low-Power Idle) feature introduced in
ACPI 6.0 and allowing processor idle states to be represented in
ACPI tables in a hierarchical way (with the help of Processor
Container objects) and support for ACPI idle states management
on ARM64, based on LPI (Sudeep Holla).
- General improvements of ACPI support for NUMA and ARM64 support
for ACPI-based NUMA (Hanjun Guo, David Daney, Robert Richter).
- General improvements of the ACPI table upgrade mechanism and
ARM64 support for that feature (Aleksey Makarov, Jon Masters).
- Support for the Boot Error Record Table (BERT) in APEI and
improvements of kernel messages printed by the error injection
code (Huang Ying, Borislav Petkov).
- New driver for the Intel Broxton WhiskeyCove PMIC operation
region and support for the REGS operation region on Broxton,
PMIC code cleanups (Bin Gao, Felipe Balbi, Paul Gortmaker).
- New driver for the power participant device which is part of the
Dynamic Power and Thermal Framework (DPTF) and DPTF-related code
reorganization (Srinivas Pandruvada).
- Support for the platform-initiated graceful shutdown feature
introduced in ACPI 6.1 (Prashanth Prakash).
- ACPI button driver update related to lid input events generated
automatically on initialization and system resume that have been
problematic for some time (Lv Zheng).
- ACPI EC driver cleanups (Lv Zheng).
- Documentation of the ACPICA release automation process and the
in-kernel ACPI AML debugger (Lv Zheng).
- New blacklist entry and two fixes for the ACPI backlight driver
(Alex Hung, Arvind Yadav, Ralf Gerbig).
- Cleanups of the ACPI pci_slot driver (Joe Perches, Paul Gortmaker).
- ACPI CPPC code changes to make it more robust against possible
defects in ACPI tables and new symbol definitions for PCC (Hoan
Tran).
- System reboot code modification to execute the ACPI _PTS (Prepare
To Sleep) method in addition to _TTS (Ocean He).
- ACPICA-related change to carry out lock ordering checks in ACPICA
if ACPICA debug is enabled in the kernel (Lv Zheng).
- Assorted minor fixes and cleanups (Andy Shevchenko, Baoquan He,
Bhaktipriya Shridhar, Paul Gortmaker, Rafael Wysocki).
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Merge tag 'acpi-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"The new feaures here are the support for ACPI overlays (allowing ACPI
tables to be loaded at any time from EFI variables or via configfs)
and the LPI (Low-Power Idle) support. Also notable is the ACPI-based
NUMA support for ARM64.
Apart from that we have two new drivers, for the DPTF (Dynamic Power
and Thermal Framework) power participant device and for the Intel
Broxton WhiskeyCove PMIC, some more PMIC-related changes, support for
the Boot Error Record Table (BERT) in APEI and support for
platform-initiated graceful shutdown.
Plus two new pieces of documentation and usual assorted fixes and
cleanups in quite a few places.
Specifics:
- Support for ACPI SSDT overlays allowing Secondary System
Description Tables (SSDTs) to be loaded at any time from EFI
variables or via configfs (Octavian Purdila, Mika Westerberg).
- Support for the ACPI LPI (Low-Power Idle) feature introduced in
ACPI 6.0 and allowing processor idle states to be represented in
ACPI tables in a hierarchical way (with the help of Processor
Container objects) and support for ACPI idle states management on
ARM64, based on LPI (Sudeep Holla).
- General improvements of ACPI support for NUMA and ARM64 support for
ACPI-based NUMA (Hanjun Guo, David Daney, Robert Richter).
- General improvements of the ACPI table upgrade mechanism and ARM64
support for that feature (Aleksey Makarov, Jon Masters).
- Support for the Boot Error Record Table (BERT) in APEI and
improvements of kernel messages printed by the error injection code
(Huang Ying, Borislav Petkov).
- New driver for the Intel Broxton WhiskeyCove PMIC operation region
and support for the REGS operation region on Broxton, PMIC code
cleanups (Bin Gao, Felipe Balbi, Paul Gortmaker).
- New driver for the power participant device which is part of the
Dynamic Power and Thermal Framework (DPTF) and DPTF-related code
reorganization (Srinivas Pandruvada).
- Support for the platform-initiated graceful shutdown feature
introduced in ACPI 6.1 (Prashanth Prakash).
- ACPI button driver update related to lid input events generated
automatically on initialization and system resume that have been
problematic for some time (Lv Zheng).
- ACPI EC driver cleanups (Lv Zheng).
- Documentation of the ACPICA release automation process and the
in-kernel ACPI AML debugger (Lv Zheng).
- New blacklist entry and two fixes for the ACPI backlight driver
(Alex Hung, Arvind Yadav, Ralf Gerbig).
- Cleanups of the ACPI pci_slot driver (Joe Perches, Paul Gortmaker).
- ACPI CPPC code changes to make it more robust against possible
defects in ACPI tables and new symbol definitions for PCC (Hoan
Tran).
- System reboot code modification to execute the ACPI _PTS (Prepare
To Sleep) method in addition to _TTS (Ocean He).
- ACPICA-related change to carry out lock ordering checks in ACPICA
if ACPICA debug is enabled in the kernel (Lv Zheng).
- Assorted minor fixes and cleanups (Andy Shevchenko, Baoquan He,
Bhaktipriya Shridhar, Paul Gortmaker, Rafael Wysocki)"
* tag 'acpi-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (71 commits)
ACPI: enable ACPI_PROCESSOR_IDLE on ARM64
arm64: add support for ACPI Low Power Idle(LPI)
drivers: firmware: psci: initialise idle states using ACPI LPI
cpuidle: introduce CPU_PM_CPU_IDLE_ENTER macro for ARM{32, 64}
arm64: cpuidle: drop __init section marker to arm_cpuidle_init
ACPI / processor_idle: Add support for Low Power Idle(LPI) states
ACPI / processor_idle: introduce ACPI_PROCESSOR_CSTATE
ACPI / DPTF: move int340x_thermal.c to the DPTF folder
ACPI / DPTF: Add DPTF power participant driver
ACPI / lpat: make it explicitly non-modular
ACPI / dock: make dock explicitly non-modular
ACPI / PCI: make pci_slot explicitly non-modular
ACPI / PMIC: remove modular references from non-modular code
ACPICA: Linux: Enable ACPI_MUTEX_DEBUG for Linux kernel
ACPI: Rename configfs.c to acpi_configfs.c to prevent link error
ACPI / debugger: Add AML debugger documentation
ACPI: Add documentation describing ACPICA release automation
ACPI: add support for loading SSDTs via configfs
ACPI: add support for configfs
efi / ACPI: load SSTDs from EFI variables
...
It can be useful for JIT software to be aware of MIDR_EL1 and
REVIDR_EL1 to ascertain the presence of any core errata that could
affect code generation.
This patch exposes these registers through sysfs:
/sys/devices/system/cpu/cpu$ID/regs/identification/midr_el1
/sys/devices/system/cpu/cpu$ID/regs/identification/revidr_el1
where $ID is the cpu number. For big.LITTLE systems, one can have a
mixture of cores (e.g. Cortex A53 and Cortex A57), thus all CPUs need
to be enumerated.
If the kernel does not have valid information to populate these entries
with, an empty string is returned to userspace.
Cc: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Steve Capper <steve.capper@linaro.org>
[suzuki.poulose@arm.com: ABI documentation updates, hotplug notifiers, kobject changes]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
New tables can be loaded by creating directories under /config/table/
and writing the AML code into the aml table attribute. Various table
attributes will be readable once the table is successfully loaded.
Unloading tables is not supported at the moment, but it can be easily
implemented once ACPI loading functions provide a table handle to be
used for unloading.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Register the ACPI subsystem with configfs.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- two patches with minimal clean up work by Antonio Quartulli and
Simon Wunderlich
- eight patches of B.A.T.M.A.N. V, API and documentation clean
up work, by Antonio Quartulli and Marek Lindner
- Andrew Lunn fixed the skb priority adoption when forwarding
fragmented packets (two patches)
- Multicast optimization support is now enabled for bridges which
comes with some protocol updates, by Linus Luessing
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Merge tag 'batadv-next-for-davem-20160701' of git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
This feature patchset includes the following changes:
- two patches with minimal clean up work by Antonio Quartulli and
Simon Wunderlich
- eight patches of B.A.T.M.A.N. V, API and documentation clean
up work, by Antonio Quartulli and Marek Lindner
- Andrew Lunn fixed the skb priority adoption when forwarding
fragmented packets (two patches)
- Multicast optimization support is now enabled for bridges which
comes with some protocol updates, by Linus Luessing
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds a new per-device sysfs attribute "current_timestamp_clock" to allow
userspace to select a particular POSIX clock for buffered samples and
events timestamping.
Following clocks, as listed in clock_gettime(2), are supported:
CLOCK_REALTIME, CLOCK_MONOTONIC, CLOCK_MONOTONIC_RAW,
CLOCK_REALTIME_COARSE, CLOCK_MONOTONIC_COARSE, CLOCK_BOOTTIME and
CLOCK_TAI.
Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Acked-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Acked-by: Antonio Quartulli <a@unstable.cc>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Also update obsolete email address.
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Acked-by: Antonio Quartulli <a@unstable.cc>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
We want the fixes in here, and we can resolve a merge issue in
drivers/iio/industrialio-trigger.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are a bunch (65) of USB fixes for 4.7-rc4. Sorry about the
quantity, I've been slow in getting these out. The majority are the
"normal" gadget, musb, and xhci fixes, that we all are used to. There
are also a few other tiny fixes resolving a number of reported issues
that showed up in 4.7-rc1.
All of these have been in linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a bunch (65) of USB fixes for 4.7-rc4. Sorry about the
quantity, I've been slow in getting these out.
The majority are the "normal" gadget, musb, and xhci fixes, that we
all are used to. There are also a few other tiny fixes resolving a
number of reported issues that showed up in 4.7-rc1.
All of these have been in linux-next"
* tag 'usb-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (65 commits)
usbip: rate limit get_frame_number message
usb: musb: sunxi: Remove bogus "Frees glue" comment
usb: musb: sunxi: Fix NULL ptr deref when gadget is registered before musb
usb: echi-hcd: Add ehci_setup check before echi_shutdown
usb: host: ehci-msm: Conditionally call ehci suspend/resume
MAINTAINERS: Add file patterns for usb device tree bindings
usb: host: ehci-tegra: Avoid getting the same reset twice
usb: host: ehci-tegra: Grab the correct UTMI pads reset
USB: mos7720: delete parport
USB: OHCI: Don't mark EDs as ED_OPER if scheduling fails
phy: ti-pipe3: Program the DPLL even if it was already locked
usb: musb: Stop bulk endpoint while queue is rotated
usb: musb: Ensure rx reinit occurs for shared_fifo endpoints
usb: musb: host: correct cppi dma channel for isoch transfer
usb: musb: only restore devctl when session was set in backup
usb: phy: Check initial state for twl6030
usb: musb: Use normal module_init for 2430 glue
usb: musb: Remove pm_runtime_set_irq_safe
usb: musb: Remove extra PM runtime calls from 2430 glue layer
usb: musb: Return error value from musb_mailbox
...
Allow a user to read PWM capture results from sysfs. To start a capture
and read the result, simply read the file:
$ cat $PWMCHIP/capture
The output format is "<period> <duty cycle>".
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
New device support
* ads1015
- add ads1115 support
* bma220 accelerometer
- new driver
- triggered buffer support.
* bmc150
- add bmm150 support.
* bmp280
- bme280 support with addition of humidity channel.
* max5487 potentiometer
- new driver
* MMA7660FC accelerometer.
- New driver
* st-pressure
- support for the lps22hb
* loop trigger.
- This one is *nasty* but we have real applications (parrot drones) where
it is useful. The trigger basically spins as hard as it can firing off
a new trigger each time all triggered devices come back to say they are
done. It doesn't hang a machine even when doing it on a dummy driver.
A lot nicer than having this implemented within lots of device drivers
anyway.
Core stuff
* Add support to create IIO devices via configfs (similar to we did for
triggers a while back) + docs.
* New channel types
- IIO_ELECTRICAL_CONDUCTIVITY
* Couple of MAINTAINERS patches to list the device tree bindings.
* Make trigger ops structure non optional (comment fix). It hasn't been for
an awful long time, but that's not what the description said.
New features
* ak8975
- support adapters that are limited to byte data only by allowing the
emulated block read i2c function that was recently introduced.
* atlas-ph
- support atlas-ec (electrical conductivity sensor)
* bmi160
- add available frequency and scale attributes to make the driver
more user friendly (and avoid having to read the datasheet to know
what will work).
* dummy
- move creation to configfs interface. It's not real hardware so we
are not that worried about the ABI breakage ;)
* mma8452
- oversampling ration support
* nau7802
- expose available gains to make life easier for userspace.
* st-sensors
- allow use of emulation for SMBus block reads as all the st parts support
it.
* ti-ads1015
- list datasheet names to allow their use by inkernel consumers.
* Various module alias additions to help auto probing. Drop one redundant one
as well.
Cleanups
* ad7266, ad7476, ad7887, ad7923, ad799x
- use direct mode claim function rather than open coding it during sensor
read (prevents switching on buffers mid read).
* ad7793, ad7791
- use direct mode claim to prevent frequency changes when buffers running.
* afe440x - These are ABI breaking but the driver requires custom userspace
code to do anything useful anyway and that is still being written and under
control of TI. Ultimately we may have other libraries to do pulse
oximetry with these devices but we aren't aware of any yet.
- kernel-doc format fixes
- drop ifdef fun around of_match_ptr - it's not worth the mess to save
a tiny amount of space.
- drop some unnecessary register initializations.
- drop the weird locked gain modes as they gain us nothing (can just set
all gains separately).
- remove handling of offset attributes seeing as no channels actually have
them (oops)
- Drop the LED3 input channel as it's an alias for ALED2.
- *big one* remove channel names - an experiment that turned out to not
make sense - see patch for details.
- use regmap fields to clean up code.
- tie the tia gain stages to appropriate channels in the ABI as that is
what they really effect. Same with the LED currents.
- cleanout some unused defines and fix a missnamed one.
* atlas-ph
- reorganise to allow support of other similar parts.
* bmc150
- document supported chips in kconfig help.
* jsa1212
- drop an unneeded i2c functionality check for functionality the driver
doesn't use.
* mxs-lradc
- simply touch screen registration code.
- remove the touch screen unregister as all devm based now.
- disable only those channels that are masked in hardware stop (others
are already dealt with elsewhere)
* st-sensors
- unexport st_sensors_get_buffer_element as nothing outside the st-sensors
core driver uses it.
- fix handling of failure to start up regulators.
* tpl0102
- drop an i2c functionality test for features that aren't needed.
* ti-am335x
- use variable name rather than type in sizeof for clarity.
- use SIMPLE_DEV_PM_OPS helper macro to tidy up a bit.
Tools
* Add install / uninstall to makefile. Someone cares, so presumably
some people will find it useful!
* generic_buffer
- rename to iio_generic_buffer to line up with other tools.
- handle cleanup when receiving signals
- Add a --device-num option and a --trigger-num option rather than
relying on naming which doesn't work if you have two of the same part.
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Merge tag 'iio-for-4.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First round of IIO new device support, features and cleanups for the 4.8 cycle.
New device support
* ads1015
- add ads1115 support
* bma220 accelerometer
- new driver
- triggered buffer support.
* bmc150
- add bmm150 support.
* bmp280
- bme280 support with addition of humidity channel.
* max5487 potentiometer
- new driver
* MMA7660FC accelerometer.
- New driver
* st-pressure
- support for the lps22hb
* loop trigger.
- This one is *nasty* but we have real applications (parrot drones) where
it is useful. The trigger basically spins as hard as it can firing off
a new trigger each time all triggered devices come back to say they are
done. It doesn't hang a machine even when doing it on a dummy driver.
A lot nicer than having this implemented within lots of device drivers
anyway.
Core stuff
* Add support to create IIO devices via configfs (similar to we did for
triggers a while back) + docs.
* New channel types
- IIO_ELECTRICAL_CONDUCTIVITY
* Couple of MAINTAINERS patches to list the device tree bindings.
* Make trigger ops structure non optional (comment fix). It hasn't been for
an awful long time, but that's not what the description said.
New features
* ak8975
- support adapters that are limited to byte data only by allowing the
emulated block read i2c function that was recently introduced.
* atlas-ph
- support atlas-ec (electrical conductivity sensor)
* bmi160
- add available frequency and scale attributes to make the driver
more user friendly (and avoid having to read the datasheet to know
what will work).
* dummy
- move creation to configfs interface. It's not real hardware so we
are not that worried about the ABI breakage ;)
* mma8452
- oversampling ration support
* nau7802
- expose available gains to make life easier for userspace.
* st-sensors
- allow use of emulation for SMBus block reads as all the st parts support
it.
* ti-ads1015
- list datasheet names to allow their use by inkernel consumers.
* Various module alias additions to help auto probing. Drop one redundant one
as well.
Cleanups
* ad7266, ad7476, ad7887, ad7923, ad799x
- use direct mode claim function rather than open coding it during sensor
read (prevents switching on buffers mid read).
* ad7793, ad7791
- use direct mode claim to prevent frequency changes when buffers running.
* afe440x - These are ABI breaking but the driver requires custom userspace
code to do anything useful anyway and that is still being written and under
control of TI. Ultimately we may have other libraries to do pulse
oximetry with these devices but we aren't aware of any yet.
- kernel-doc format fixes
- drop ifdef fun around of_match_ptr - it's not worth the mess to save
a tiny amount of space.
- drop some unnecessary register initializations.
- drop the weird locked gain modes as they gain us nothing (can just set
all gains separately).
- remove handling of offset attributes seeing as no channels actually have
them (oops)
- Drop the LED3 input channel as it's an alias for ALED2.
- *big one* remove channel names - an experiment that turned out to not
make sense - see patch for details.
- use regmap fields to clean up code.
- tie the tia gain stages to appropriate channels in the ABI as that is
what they really effect. Same with the LED currents.
- cleanout some unused defines and fix a missnamed one.
* atlas-ph
- reorganise to allow support of other similar parts.
* bmc150
- document supported chips in kconfig help.
* jsa1212
- drop an unneeded i2c functionality check for functionality the driver
doesn't use.
* mxs-lradc
- simply touch screen registration code.
- remove the touch screen unregister as all devm based now.
- disable only those channels that are masked in hardware stop (others
are already dealt with elsewhere)
* st-sensors
- unexport st_sensors_get_buffer_element as nothing outside the st-sensors
core driver uses it.
- fix handling of failure to start up regulators.
* tpl0102
- drop an i2c functionality test for features that aren't needed.
* ti-am335x
- use variable name rather than type in sizeof for clarity.
- use SIMPLE_DEV_PM_OPS helper macro to tidy up a bit.
Tools
* Add install / uninstall to makefile. Someone cares, so presumably
some people will find it useful!
* generic_buffer
- rename to iio_generic_buffer to line up with other tools.
- handle cleanup when receiving signals
- Add a --device-num option and a --trigger-num option rather than
relying on naming which doesn't work if you have two of the same part.
A slightly bumper set due to travel delaying the pull request and a fair few
issues with the recent merge window patches. Patches all over the place.
The st-sensors one is probably the most involved, but definitly solves the
issues seen. Note there are some other issues around that handler
(and the fact that a lot of boards tie a level interrupt chip to an
edge interrupt only irq chip). These are not regressions however, so
will turn up the slow route.
* core
- iio_trigger_attach_pollfunc had some really badly wrong error handling.
Another nasty triggered whilst chasing down issues with the st sensors
rework below.
* ad5592r
- fix an off by one error when allocating channels.
* am2315
- a stray mutex unlock before we ever take the lock.
* apds9960
- missing a parent in the driver model (which should be the i2c device).
Result is it doesn't turn up under /sys/bus/i2c/devices which some
userspace code uses for repeatable device identification.
* as3935
- ABI usage bug which meant a processed value was reported as raw. Now
reporting scale as well to ensure userspace has the info it needs.
- Don't return processed value via the buffer - it doesn't conform to
the ABI and will overflow in some cases.
- Fix a wrongly sized buffer which would overflow trashing part of the
stack. Also move it onto the heap as part of the fix.
* bh1780
- a missing return after write in debugfs lead to an incorrect read and
a null pointer dereference.
- dereferencing the wrong pointer in suspend and resume leading to
unpredictable results.
- assign a static name to avoid accidentally ending up with no name if
loaded via device tree.
* bmi160
- output data rate for the accelerometer was incorrectly reported. Fix it.
- writing the output data rate was also wrong due to reverse parameters.
* bmp280
- error message for wrong chip ID gave the wrong expected value.
* hdc100x
- mask for writing the integration time was wrong allowin g us to get
'stuck' in a particular value with no way back.
- temperature reported in celsius rather than millicelsius as per the
ABI.
- Get rid of some incorrect data shifting which lead to readings being
rather incorrect.
* max44000
- drop scale attribute for proximity as it is an unscaled value (depends
on what is in range rather than anything knowable at the detector).
* st-pressure
- ABI compliance fixes - units were wrong.
* st-sensors
- We introduced some nasty issues with the recent switch over to a
a somewhat threaded handler in that we broke using a software trigger
with these devices. Now do it properly. It's a larger patch than ideal
for a fix, but the logic is straight forward.
- Make sure the trigger is initialized before requesting the interrupt.
This matters now the interrupt can be shared. Before it was ugly and wrong
but short of flakey hardware could not be triggered.
- Hammer down the dataready pin at boot - otherwise with really
unlucky timing things could get interestingly wedged requiring a hard power
down of the chip.
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Merge tag 'iio-fixes-for-4.7a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First round of iio fixes for the 4.7 cycle.
A slightly bumper set due to travel delaying the pull request and a fair few
issues with the recent merge window patches. Patches all over the place.
The st-sensors one is probably the most involved, but definitly solves the
issues seen. Note there are some other issues around that handler
(and the fact that a lot of boards tie a level interrupt chip to an
edge interrupt only irq chip). These are not regressions however, so
will turn up the slow route.
* core
- iio_trigger_attach_pollfunc had some really badly wrong error handling.
Another nasty triggered whilst chasing down issues with the st sensors
rework below.
* ad5592r
- fix an off by one error when allocating channels.
* am2315
- a stray mutex unlock before we ever take the lock.
* apds9960
- missing a parent in the driver model (which should be the i2c device).
Result is it doesn't turn up under /sys/bus/i2c/devices which some
userspace code uses for repeatable device identification.
* as3935
- ABI usage bug which meant a processed value was reported as raw. Now
reporting scale as well to ensure userspace has the info it needs.
- Don't return processed value via the buffer - it doesn't conform to
the ABI and will overflow in some cases.
- Fix a wrongly sized buffer which would overflow trashing part of the
stack. Also move it onto the heap as part of the fix.
* bh1780
- a missing return after write in debugfs lead to an incorrect read and
a null pointer dereference.
- dereferencing the wrong pointer in suspend and resume leading to
unpredictable results.
- assign a static name to avoid accidentally ending up with no name if
loaded via device tree.
* bmi160
- output data rate for the accelerometer was incorrectly reported. Fix it.
- writing the output data rate was also wrong due to reverse parameters.
* bmp280
- error message for wrong chip ID gave the wrong expected value.
* hdc100x
- mask for writing the integration time was wrong allowin g us to get
'stuck' in a particular value with no way back.
- temperature reported in celsius rather than millicelsius as per the
ABI.
- Get rid of some incorrect data shifting which lead to readings being
rather incorrect.
* max44000
- drop scale attribute for proximity as it is an unscaled value (depends
on what is in range rather than anything knowable at the detector).
* st-pressure
- ABI compliance fixes - units were wrong.
* st-sensors
- We introduced some nasty issues with the recent switch over to a
a somewhat threaded handler in that we broke using a software trigger
with these devices. Now do it properly. It's a larger patch than ideal
for a fix, but the logic is straight forward.
- Make sure the trigger is initialized before requesting the interrupt.
This matters now the interrupt can be shared. Before it was ugly and wrong
but short of flakey hardware could not be triggered.
- Hammer down the dataready pin at boot - otherwise with really
unlucky timing things could get interestingly wedged requiring a hard power
down of the chip.
v3.20 doesn't exist, it is actually v4.0.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
IIO_CHAN_INFO_RAW was returning processed data which was incorrect.
This also adds the IIO_CHAN_INFO_SCALE value to convert to a processed value.
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Merge more updates from Andrew Morton:
- the rest of MM
- KASAN updates
- procfs updates
- exit, fork updates
- printk updates
- lib/ updates
- radix-tree testsuite updates
- checkpatch updates
- kprobes updates
- a few other misc bits
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (162 commits)
samples/kprobes: print out the symbol name for the hooks
samples/kprobes: add a new module parameter
kprobes: add the "tls" argument for j_do_fork
init/main.c: simplify initcall_blacklisted()
fs/efs/super.c: fix return value
checkpatch: improve --git <commit-count> shortcut
checkpatch: reduce number of `git log` calls with --git
checkpatch: add support to check already applied git commits
checkpatch: add --list-types to show message types to show or ignore
checkpatch: advertise the --fix and --fix-inplace options more
checkpatch: whine about ACCESS_ONCE
checkpatch: add test for keywords not starting on tabstops
checkpatch: improve CONSTANT_COMPARISON test for structure members
checkpatch: add PREFER_IS_ENABLED test
lib/GCD.c: use binary GCD algorithm instead of Euclidean
radix-tree: free up the bottom bit of exceptional entries for reuse
dax: move RADIX_DAX_ definitions to dax.c
radix-tree: make radix_tree_descend() more useful
radix-tree: introduce radix_tree_replace_clear_tags()
radix-tree: tidy up __radix_tree_create()
...
Here's the big staging and iio driver update for 4.7-rc1.
I think we almost broke even with this release, only adding a few more
lines than we removed, which isn't bad overall given that there's a
bunch of new iio drivers added. The Lustre developers seem to have
woken up from their sleep and have been doing a great job in cleaning up
the code and pruning unused or old cruft, the filesystem is almost
readable :)
Other than that, just a lot of basic coding style cleanups in the churn.
All 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 'staging-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO driver updates from Greg KH:
"Here's the big staging and iio driver update for 4.7-rc1.
I think we almost broke even with this release, only adding a few more
lines than we removed, which isn't bad overall given that there's a
bunch of new iio drivers added.
The Lustre developers seem to have woken up from their sleep and have
been doing a great job in cleaning up the code and pruning unused or
old cruft, the filesystem is almost readable :)
Other than that, just a lot of basic coding style cleanups in the
churn. All have been in linux-next for a while with no reported
issues"
* tag 'staging-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (938 commits)
Staging: emxx_udc: emxx_udc: fixed coding style issue
staging/gdm724x: fix "alignment should match open parenthesis" issues
staging/gdm724x: Fix avoid CamelCase
staging: unisys: rename misleading var ii with frag
staging: unisys: visorhba: switch success handling to error handling
staging: unisys: visorhba: main path needs to flow down the left margin
staging: unisys: visorinput: handle_locking_key() simplifications
staging: unisys: visorhba: fail gracefully for thread creation failures
staging: unisys: visornic: comment restructuring and removing bad diction
staging: unisys: fix format string %Lx to %llx for u64
staging: unisys: remove unused struct members
staging: unisys: visorchannel: correct variable misspelling
staging: unisys: visorhba: replace functionlike macro with function
staging: dgnc: Need to check for NULL of ch
staging: dgnc: remove redundant condition check
staging: dgnc: fix 'line over 80 characters'
staging: dgnc: clean up the dgnc_get_modem_info()
staging: lustre: lnet: enable configuration per NI interface
staging: lustre: o2iblnd: properly set ibr_why
staging: lustre: o2iblnd: remove last of kiblnd_tunables_fini
...
Here's the big char and misc driver update for 4.7-rc1.
Lots of different tiny driver subsystems have updates here with new
drivers and functionality. Details in the shortlog.
All have been in linux-next with no reported issues for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver updates from Greg KH:
"Here's the big char and misc driver update for 4.7-rc1.
Lots of different tiny driver subsystems have updates here with new
drivers and functionality. Details in the shortlog.
All have been in linux-next with no reported issues for a while"
* tag 'char-misc-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (125 commits)
mcb: Delete num_cells variable which is not required
mcb: Fixed bar number assignment for the gdd
mcb: Replace ioremap and request_region with the devm version
mcb: Implement bus->dev.release callback
mcb: export bus information via sysfs
mcb: Correctly initialize the bus's device
mei: bus: call mei_cl_read_start under device lock
coresight: etb10: adjust read pointer only when needed
coresight: configuring ETF in FIFO mode when acting as link
coresight: tmc: implementing TMC-ETF AUX space API
coresight: moving struct cs_buffers to header file
coresight: tmc: keep track of memory width
coresight: tmc: make sysFS and Perf mode mutually exclusive
coresight: tmc: dump system memory content only when needed
coresight: tmc: adding mode of operation for link/sinks
coresight: tmc: getting rid of multiple read access
coresight: tmc: allocating memory when needed
coresight: tmc: making prepare/unprepare functions generic
coresight: tmc: splitting driver in ETB/ETF and ETR components
coresight: tmc: cleaning up header file
...
Here's the big pull request for USB and PHY drivers for 4.7-rc1
Full details in the shortlog, but it's the normal major gadget driver
updates, phy updates, new usbip code, as well as a bit of lots of other
stuff.
All 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-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big pull request for USB and PHY drivers for 4.7-rc1
Full details in the shortlog, but it's the normal major gadget driver
updates, phy updates, new usbip code, as well as a bit of lots of
other stuff.
All have been in linux-next with no reported issues"
* tag 'usb-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (164 commits)
USB: serial: ti_usb_3410_5052: add MOXA UPORT 11x0 support
USB: serial: fix minor-number allocation
USB: serial: quatech2: fix use-after-free in probe error path
USB: serial: mxuport: fix use-after-free in probe error path
USB: serial: keyspan: fix debug and error messages
USB: serial: keyspan: fix URB unlink
USB: serial: keyspan: fix use-after-free in probe error path
USB: serial: io_edgeport: fix memory leaks in probe error path
USB: serial: io_edgeport: fix memory leaks in attach error path
usb: Remove unnecessary space before operator ','.
usb: Remove unnecessary space before open square bracket.
USB: FHCI: avoid redundant condition
usb: host: xhci-rcar: Avoid long wait in xhci_reset()
usb/host/fotg210: remove dead code in create_sysfs_files
usb: wusbcore: Do not initialise statics to 0.
usb: wusbcore: Remove space before ',' and '(' .
USB: serial: cp210x: clean up CRTSCTS flag code
USB: serial: cp210x: get rid of magic numbers in CRTSCTS flag code
USB: serial: cp210x: fix hardware flow-control disable
USB: serial: option: add even more ZTE device ids
...
debug_stat sysfs is read-only and represents various debugging data that
zram developers may need. This file is not meant to be used by anyone
else: its content is not documented and will change any time w/o any
notice. Therefore, the output of debug_stat file contains a version
string. To avoid any confusion, we will increase the version number
every time we modify the output.
At the moment this file exports only one value -- the number of
re-compressions, IOW, the number of times compression fast path has
failed. This stat is temporary any will be useful in case if any
per-cpu compression streams regressions will be reported.
Link: http://lkml.kernel.org/r/20160513230834.GB26763@bbox
Link: http://lkml.kernel.org/r/20160511134553.12655-1-sergey.senozhatsky@gmail.com
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Highlights:
- Support for Power ISA 3.0 (Power9) Radix Tree MMU from Aneesh Kumar K.V
- Live patching support for ppc64le (also merged via livepatching.git)
Various cleanups & minor fixes from:
- Aaro Koskinen, Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V,
Chris Smart, Daniel Axtens, Frederic Barrat, Gavin Shan, Ian Munsie, Lennart
Sorensen, Madhavan Srinivasan, Mahesh Salgaonkar, Markus Elfring, Michael
Ellerman, Oliver O'Halloran, Paul Gortmaker, Paul Mackerras, Rashmica Gupta,
Russell Currey, Suraj Jitindar Singh, Thiago Jung Bauermann, Valentin
Rothberg, Vipin K Parashar.
General:
- Update LMB associativity index during DLPAR add/remove from Nathan Fontenot
- Fix branching to OOL handlers in relocatable kernel from Hari Bathini
- Add support for userspace Power9 copy/paste from Chris Smart
- Always use STRICT_MM_TYPECHECKS from Michael Ellerman
- Add mask of possible MMU features from Michael Ellerman
PCI:
- Enable pass through of NVLink to guests from Alexey Kardashevskiy
- Cleanups in preparation for powernv PCI hotplug from Gavin Shan
- Don't report error in eeh_pe_reset_and_recover() from Gavin Shan
- Restore initial state in eeh_pe_reset_and_recover() from Gavin Shan
- Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell" from Guilherme G. Piccoli
- Remove the dependency on EEH struct in DDW mechanism from Guilherme G. Piccoli
selftests:
- Test cp_abort during context switch from Chris Smart
- Add several tests for transactional memory support from Rashmica Gupta
perf:
- Add support for sampling interrupt register state from Anju T
- Add support for unwinding perf-stackdump from Chandan Kumar
cxl:
- Configure the PSL for two CAPI ports on POWER8NVL from Philippe Bergheaud
- Allow initialization on timebase sync failures from Frederic Barrat
- Increase timeout for detection of AFU mmio hang from Frederic Barrat
- Handle num_of_processes larger than can fit in the SPA from Ian Munsie
- Ensure PSL interrupt is configured for contexts with no AFU IRQs from Ian Munsie
- Add kernel API to allow a context to operate with relocate disabled from Ian Munsie
- Check periodically the coherent platform function's state from Christophe Lombard
Freescale:
- Updates from Scott: "Contains 86xx fixes, minor device tree fixes, an erratum
workaround, and a kconfig dependency fix."
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Merge tag 'powerpc-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Highlights:
- Support for Power ISA 3.0 (Power9) Radix Tree MMU from Aneesh Kumar K.V
- Live patching support for ppc64le (also merged via livepatching.git)
Various cleanups & minor fixes from:
- Aaro Koskinen, Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V,
Chris Smart, Daniel Axtens, Frederic Barrat, Gavin Shan, Ian Munsie,
Lennart Sorensen, Madhavan Srinivasan, Mahesh Salgaonkar, Markus Elfring,
Michael Ellerman, Oliver O'Halloran, Paul Gortmaker, Paul Mackerras,
Rashmica Gupta, Russell Currey, Suraj Jitindar Singh, Thiago Jung
Bauermann, Valentin Rothberg, Vipin K Parashar.
General:
- Update LMB associativity index during DLPAR add/remove from Nathan
Fontenot
- Fix branching to OOL handlers in relocatable kernel from Hari Bathini
- Add support for userspace Power9 copy/paste from Chris Smart
- Always use STRICT_MM_TYPECHECKS from Michael Ellerman
- Add mask of possible MMU features from Michael Ellerman
PCI:
- Enable pass through of NVLink to guests from Alexey Kardashevskiy
- Cleanups in preparation for powernv PCI hotplug from Gavin Shan
- Don't report error in eeh_pe_reset_and_recover() from Gavin Shan
- Restore initial state in eeh_pe_reset_and_recover() from Gavin Shan
- Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
from Guilherme G Piccoli
- Remove the dependency on EEH struct in DDW mechanism from Guilherme
G Piccoli
selftests:
- Test cp_abort during context switch from Chris Smart
- Add several tests for transactional memory support from Rashmica
Gupta
perf:
- Add support for sampling interrupt register state from Anju T
- Add support for unwinding perf-stackdump from Chandan Kumar
cxl:
- Configure the PSL for two CAPI ports on POWER8NVL from Philippe
Bergheaud
- Allow initialization on timebase sync failures from Frederic Barrat
- Increase timeout for detection of AFU mmio hang from Frederic
Barrat
- Handle num_of_processes larger than can fit in the SPA from Ian
Munsie
- Ensure PSL interrupt is configured for contexts with no AFU IRQs
from Ian Munsie
- Add kernel API to allow a context to operate with relocate disabled
from Ian Munsie
- Check periodically the coherent platform function's state from
Christophe Lombard
Freescale:
- Updates from Scott: "Contains 86xx fixes, minor device tree fixes,
an erratum workaround, and a kconfig dependency fix."
* tag 'powerpc-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (192 commits)
powerpc/86xx: Fix PCI interrupt map definition
powerpc/86xx: Move pci1 definition to the include file
powerpc/fsl: Fix build of the dtb embedded kernel images
powerpc/fsl: Fix rcpm compatible string
powerpc/fsl: Remove FSL_SOC dependency from FSL_LBC
powerpc/fsl-pci: Add a workaround for PCI 5 errata
powerpc/fsl: Fix SPI compatible on t208xrdb and t1040rdb
powerpc/powernv/npu: Add PE to PHB's list
powerpc/powernv: Fix insufficient memory allocation
powerpc/iommu: Remove the dependency on EEH struct in DDW mechanism
Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
powerpc/eeh: Drop unnecessary label in eeh_pe_change_owner()
powerpc/eeh: Ignore handlers in eeh_pe_reset_and_recover()
powerpc/eeh: Restore initial state in eeh_pe_reset_and_recover()
powerpc/eeh: Don't report error in eeh_pe_reset_and_recover()
Revert "powerpc/powernv: Exclude root bus in pnv_pci_reset_secondary_bus()"
powerpc/powernv/npu: Enable NVLink pass through
powerpc/powernv/npu: Rework TCE Kill handling
powerpc/powernv/npu: Add set/unset window helpers
powerpc/powernv/ioda2: Export debug helper pe_level_printk()
...
infrastructural work to allow documents to be written using restructured
text. Maybe someday, in a galaxy far far away, we'll be able to eliminate
the DocBook dependency and have a much better integrated set of kernel
docs. Someday.
Beyond that, there's a new document on security hardening from Kees, the
movement of some sample code over to samples/, a number of improvements to
the serial docs from Geert, and the usual collection of corrections, typo
fixes, etc.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux
Pull Documentation updates from Jon Corbet:
"A bit busier this time around.
The most interesting thing (IMO) this time around is some beginning
infrastructural work to allow documents to be written using
restructured text. Maybe someday, in a galaxy far far away, we'll be
able to eliminate the DocBook dependency and have a much better
integrated set of kernel docs. Someday.
Beyond that, there's a new document on security hardening from Kees,
the movement of some sample code over to samples/, a number of
improvements to the serial docs from Geert, and the usual collection
of corrections, typo fixes, etc"
* tag 'docs-for-linus' of git://git.lwn.net/linux: (55 commits)
doc: self-protection: provide initial details
serial: doc: Use port->state instead of info
serial: doc: Always refer to tty_port->mutex
Documentation: vm: Spelling s/paltform/platform/g
Documentation/memcg: update kmem limit doc as codes behavior
docproc: print a comment about autogeneration for rst output
docproc: add support for reStructuredText format via --rst option
docproc: abstract terminating lines at first space
docproc: abstract docproc directive detection
docproc: reduce unnecessary indentation
docproc: add variables for subcommand and filename
kernel-doc: use rst C domain directives and references for types
kernel-doc: produce RestructuredText output
kernel-doc: rewrite usage description, remove duplicated comments
Doc: correct the location of sysrq.c
Documentation: fix common spelling mistakes
samples: v4l: from Documentation to samples directory
samples: connector: from Documentation to samples directory
Documentation: xillybus: fix spelling mistake
Documentation: x86: fix spelling mistakes
...
This time round the update brings in following changes:
- New tegra driver for ADMA device
- Support for Xilinx AXI Direct Memory Access Engine and Xilinx AXI Central
Direct Memory Access Engine and few updates to this driver.
- New cyclic capability to sun6i and few updates.
- Slave-sg support in bcm2835.
- Updates to many drivers like designware, hsu, mv_xor, pxa, edma,
qcom_hidma & bam.
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Merge tag 'dmaengine-4.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This time round the update brings in following changes:
- new tegra driver for ADMA device
- support for Xilinx AXI Direct Memory Access Engine and Xilinx AXI
Central Direct Memory Access Engine and few updates to this driver
- new cyclic capability to sun6i and few updates
- slave-sg support in bcm2835
- updates to many drivers like designware, hsu, mv_xor, pxa, edma,
qcom_hidma & bam"
* tag 'dmaengine-4.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (84 commits)
dmaengine: ioatdma: disable relaxed ordering for ioatdma
dmaengine: of_dma: approximate an average distribution
dmaengine: core: Use IS_ENABLED() instead of checking for built-in or module
dmaengine: edma: Re-evaluate errors when ccerr is triggered w/o error event
dmaengine: qcom_hidma: add support for object hierarchy
dmaengine: qcom_hidma: add debugfs hooks
dmaengine: qcom_hidma: implement lower level hardware interface
dmaengine: vdma: Add clock support
Documentation: DT: vdma: Add clock support for dmas
dmaengine: vdma: Add config structure to differentiate dmas
MAINTAINERS: Update Tegra DMA maintainers
dmaengine: tegra-adma: Add support for Tegra210 ADMA
Documentation: DT: Add binding documentation for NVIDIA ADMA
dmaengine: vdma: Add Support for Xilinx AXI Central Direct Memory Access Engine
Documentation: DT: vdma: update binding doc for AXI CDMA
dmaengine: vdma: Add Support for Xilinx AXI Direct Memory Access Engine
Documentation: DT: vdma: update binding doc for AXI DMA
dmaengine: vdma: Rename xilinx_vdma_ prefix to xilinx_dma
dmaengine: slave means at least one of DMA_SLAVE, DMA_CYCLIC
dmaengine: mv_xor: Allow selecting mv_xor for mvebu only compatible SoC
...
Pull iscsi_ibft updates from Konrad Rzeszutek Wilk:
"The pull has two features - both of them expand the SysFS entries:
- 'prefix-len' - which is subnet_mask_prefix of the iBFT header.
- 'acpi_header' dir with: 'iBFT', OEM-ID (whatever it extracts from
the iBFT header) and OEM_TABLE_ID (also whatever it extracts from
the iBFT header). This is to help NIC drivers to figure out during
bootup how to deal with BIOS created iBFT tables (like by TianoCore
UEFI implemenation)"
* 'stable/for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
ibft: Expose iBFT acpi header via sysfs
iscsi_ibft: Add prefix-len attr and display netmask
Some ethernet adapter vendors are supplying products which support optional
(payed license) features. On some adapters this includes a hardware iscsi
initiator. The same adapters in a normal (no extra licenses) mode of
operation can be used as a software iscsi initiator. In addition, software
iscsi boot initiators are becoming a standard part of many vendors uefi
implementations. This is creating difficulties during early boot/install
determining the proper configuration method for these adapters when they
are used as a boot device.
The attached patch creates sysfs entries to expose information from the
acpi header of the ibft table. This information allows for a method to
easily determining if an ibft table was created by a ethernet card's
firmware or the system uefi/bios. In the case of a hardware initiator this
information in combination with the pci vendor and device id can be used
to ascertain any vendor specific behaviors that need to be accommodated.
Reviewed-by: Lee Duncan <lduncan@suse.com>
Signed-off-by: David Bond <dbond@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
In order to create a relationship model between the channels and the
management object, we are adding support for object hierarchy to the
drivers. This patch simplifies the userspace application development.
We will not have to traverse different firmware paths based on device
tree or ACPI based kernels.
No matter what flavor of kernel is used, objects will be represented as
platform devices.
The new layout is as follows:
hidmam_10: hidma-mgmt@0x5A000000 {
compatible = "qcom,hidma-mgmt-1.0";
...
hidma_10: hidma@0x5a010000 {
compatible = "qcom,hidma-1.0";
...
}
}
The hidma_mgmt_init detects each instance of the hidma-mgmt-1.0 objects
in device tree and calls into the channel driver to create platform devices
for each child of the management object.
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Currently the TIA gain settings are exported to userspace as sysfs
entries that do not clearly represent their internal relation to the
sampling stages. The gain settings are enabled on a per-stage basis,
this can be seen in figure 24 of the current AFE4404 datasheet.
These gain settings should therefore be tied to the channels that are
read during these stages. Make this change here.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
These AFEs have 4 ADC mesuring stages (called LED2, ALED2, LED1, and
ALED1 in the datasheet), we map these as channels, these stages can serve
different purposes depending on the application. For instance the AFE4404
has an additional LED (LED3), this LED can be timed to be active during
stage 2 (or anystage, but the datasheet describes this case and the name
of the stage reflects this use). This ability is used further in upcoming
parts that tie the front-end gain and the LED timings together. For these
reasons we remove explicit naming the channels.
Without channel names it is best that the index numbers are in order to
match the stage number, reorder the channel numbers.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Locking the two gain stages to the same setting adds no value for us,
so initialize them as unlocked and remove the sysfs for unlocking them.
This also allows us to greatly simplify showing and setting the gain
registers.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Export information about the bus stored in the FPGA's header to userspace via
sysfs, instead of hiding it in pr_debug()s from everyone.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Andreas Werner <andreas.werner@men.de>
Tested-by: Andreas Werner <andreas.werner@men.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding management registers that convey implementation
specific characteristics. Those are useful for trace
configuration and collection along with general trouble
shooting.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This driver adds support for the STM CoreSight IP block, allowing any
system compoment (HW or SW) to log and aggregate messages via a
single entity.
The CoreSight STM exposes an application defined number of channels
called stimulus port. Configuration is done using entries in sysfs
and channels made available to userspace via configfs.
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Michael Williams <michael.williams@arm.com>
Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some STM devices adjust software assigned master numbers depending on
the trace source and its runtime state and whatnot. This patch adds
a sysfs attribute to inform the trace-side software that master numbers
assigned to software sources will not match those in the STP stream,
so that, for example, master/channel allocation policy can be adjusted
accordingly.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The sysFS "status" entry conveys a wealth of information about
the status of the HW but goes agains the sysFS rule of one topic
per file.
This patch rectify the situation by adding read-only entries for
each of the field formaly displayed by "status". The ABI
documentation is kept up to date.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding new sysFS management interface to query the configuration
and the traceid registers. Both are required to convey information
to the perf cmd line tools when using ETMv4 tracers as PMU.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As vudc provides some new attributes using sysfs infrastructure,
add a suitable documentation file for those attributes.
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This fixes several spelling mistakes in the Documentation/ tree, which
are caught by checkpatch.pl's spell checking.
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Bit of a bumper set for new drivers but plenty of other stuff here as well!
New device support
* ad5592R ADC/DAC
- new driver supporting ad5592r and ad5593r combined ADC/DAC and gpio chips.
* Aosong am2315 relative humidity
- new driver with triggered buffer support in follow up patch.
* bmi160 imu
- new driver
* bmp280
- bmp180 support - note there is support in the misc/bmp085 driver. Intent
is to remove that driver long term.
* invensense mpu6050
- cleanup leading to explicit support of mpu9150 with a good few cleanups
along the way.
* Hope RF hp03 pressure and temperature sensor.
- new driver
* maxim DS1803 potentiometer
- new driver
* maxim max44000 light and proximity sensor
- new driver built in a series of steps to support pretty much everything.
* ROHM BH1780 light sensor
- new driver. There is an existing driver in misc that this is pretty much
intended to replace. The discussion on whether to support the non standard
interface of that driver is some way is continuing.
* st-gyro
- lsm9ds0-gyro. The accel/magn side of this will take a while longer as
extensions to the st library are needed for cases where two types of sensor
share a single i2c address.
* ti-adc081c
- support the adc101c and adc121c
* Vishay VEML6070 UV sensor
- new driver.
New features
* core
- devm_ APIs for channel_get and channel_get_all. The first user of these
is the generic ADC based thermal driver. As it is going through the
thermal tree these will be picked up as a patch to that next cycle as that
is how the author preferred to do it.
- mounting matrix support. This new core support allows devices to provide
to userspace (typically from the device tree) allowing compensation for how
the sensor is mounted on the device. First examples are on UAVs but it
has a more mundane use on typical phone where the chip may be on the front
or the back of the circuit board and soldered at any angle. Includes
support for this ABI in ak8975 (which has an older interface, now
deprecated) and mpu6050.
* tools
- add a -a option to enable all available channels in generic_buffer sample.
Makes it somewhat easier to use.
* adis library and drivers
- support manual self test flag clearing. This has technically been broken
for a very long time - result is an offset on readings as the applied field
is on all the time.
* ak8975
- triggered buffer support
* bmc150
- spi support (including splitting the driver into core and i2c parts)
* bmp280
- oversampling support.
* dht11
- improved logging - useful to debug timing issues on this quirky device.
* st-sensors
- read each channel invidivually as not all support the optimization of
reading in bulk. This is technically a fix, but will need to be backported
if desired.
- support open drain and shared interrupts.
* ti-adc081c
- triggered buffer support.
Cleanups
* inkern
- white space fix.
* ad7606
- use the iio_device_claim_direct_mode call rather than open coding equiv.
* ad799x
- white space fix.
* ad9523
- unsigned -> unsigned int
* apds9660
- brace location tidying up.
- silence an uninitialized variable warning.
* ak8975
- else and brace on same line fix.
* at91_adc
- white space fixes.
* bmc150
- use regmap stored copy of the device pointer rather than having an
additional copy.
* bmg160
- use regmap stored copy of the device pointer rather than having an
additional copy.
* hid-sensors
- white space fixes.
* mcp3422
- white space fix.
* mma7455
- use regmap to retrieve the device struct rather than carrying another copy
in the private data.
* ms_sensors
- white space fix.
* mxs-lradc
- move current bindings out of staging - some will be shortly deprecated but
the reality is that we have device trees out there using them so they will
need to be supported for some time. They accidentally got left behind
when the driver graduated from staging.
- white space cleanup.
- set INPUT_PROP_DIRECT.
- move ts config into a better function.
- move the STMP reset out of the ADC init.
* vf610_adc
- case label indenting fix.
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Merge tag 'iio-for-4.7b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-testing
Jonathan writes:
2nd set of new device support, features and cleanup for IIO in the 4.7 cycle.
Bit of a bumper set for new drivers but plenty of other stuff here as well!
New device support
* ad5592R ADC/DAC
- new driver supporting ad5592r and ad5593r combined ADC/DAC and gpio chips.
* Aosong am2315 relative humidity
- new driver with triggered buffer support in follow up patch.
* bmi160 imu
- new driver
* bmp280
- bmp180 support - note there is support in the misc/bmp085 driver. Intent
is to remove that driver long term.
* invensense mpu6050
- cleanup leading to explicit support of mpu9150 with a good few cleanups
along the way.
* Hope RF hp03 pressure and temperature sensor.
- new driver
* maxim DS1803 potentiometer
- new driver
* maxim max44000 light and proximity sensor
- new driver built in a series of steps to support pretty much everything.
* ROHM BH1780 light sensor
- new driver. There is an existing driver in misc that this is pretty much
intended to replace. The discussion on whether to support the non standard
interface of that driver is some way is continuing.
* st-gyro
- lsm9ds0-gyro. The accel/magn side of this will take a while longer as
extensions to the st library are needed for cases where two types of sensor
share a single i2c address.
* ti-adc081c
- support the adc101c and adc121c
* Vishay VEML6070 UV sensor
- new driver.
New features
* core
- devm_ APIs for channel_get and channel_get_all. The first user of these
is the generic ADC based thermal driver. As it is going through the
thermal tree these will be picked up as a patch to that next cycle as that
is how the author preferred to do it.
- mounting matrix support. This new core support allows devices to provide
to userspace (typically from the device tree) allowing compensation for how
the sensor is mounted on the device. First examples are on UAVs but it
has a more mundane use on typical phone where the chip may be on the front
or the back of the circuit board and soldered at any angle. Includes
support for this ABI in ak8975 (which has an older interface, now
deprecated) and mpu6050.
* tools
- add a -a option to enable all available channels in generic_buffer sample.
Makes it somewhat easier to use.
* adis library and drivers
- support manual self test flag clearing. This has technically been broken
for a very long time - result is an offset on readings as the applied field
is on all the time.
* ak8975
- triggered buffer support
* bmc150
- spi support (including splitting the driver into core and i2c parts)
* bmp280
- oversampling support.
* dht11
- improved logging - useful to debug timing issues on this quirky device.
* st-sensors
- read each channel invidivually as not all support the optimization of
reading in bulk. This is technically a fix, but will need to be backported
if desired.
- support open drain and shared interrupts.
* ti-adc081c
- triggered buffer support.
Cleanups
* inkern
- white space fix.
* ad7606
- use the iio_device_claim_direct_mode call rather than open coding equiv.
* ad799x
- white space fix.
* ad9523
- unsigned -> unsigned int
* apds9660
- brace location tidying up.
- silence an uninitialized variable warning.
* ak8975
- else and brace on same line fix.
* at91_adc
- white space fixes.
* bmc150
- use regmap stored copy of the device pointer rather than having an
additional copy.
* bmg160
- use regmap stored copy of the device pointer rather than having an
additional copy.
* hid-sensors
- white space fixes.
* mcp3422
- white space fix.
* mma7455
- use regmap to retrieve the device struct rather than carrying another copy
in the private data.
* ms_sensors
- white space fix.
* mxs-lradc
- move current bindings out of staging - some will be shortly deprecated but
the reality is that we have device trees out there using them so they will
need to be supported for some time. They accidentally got left behind
when the driver graduated from staging.
- white space cleanup.
- set INPUT_PROP_DIRECT.
- move ts config into a better function.
- move the STMP reset out of the ADC init.
* vf610_adc
- case label indenting fix.
Add a new rotation matrix sysfs attribute compliant with IIO core
mounting matrix API.
Matrix is retrieved from "in_anglvel_mount_matrix" and
"in_accel_mount_matrix" sysfs attributes. It is declared into mpu6050 DTS
entry as a "mount-matrix" property.
Old interface is kept for backward userspace compatibility and may be
retrieved from legacy platform_data mechanism only.
Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Expose a rotation matrix to indicate userspace the chip placement with
respect to the overall hardware system. This is needed to adjust
coordinates sampled from a sensor chip when its position deviates from the
main hardware system.
Final coordinates computation is delegated to userspace since:
* computation may involve floating point arithmetics ;
* it allows an application to combine adjustments with arbitrary
transformations.
This 3 dimentional space rotation matrix is expressed as 3x3 array of
strings to support floating point numbers. It may be retrieved from a
"[<dir>_][<type>_]mount_matrix" sysfs attribute file. It is declared into a
device / driver specific DTS property or platform data.
Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Failure to synchronize the PSL timebase currently prevents the
initialization of the cxl card, thus rendering the card useless. This
is too extreme for a feature which is rarely used, if at all. No
hardware AFUs or software is currently using PSL timebase.
This patch still tries to synchronize the PSL timebase when the card
is initialized, but ignores the error if it can't. Instead, it reports
a status via /sys.
Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This resolves a lot of merge issues with PAGE_CACHE_* changes, and an
iio driver merge issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Update the docs according to the recent code changes, too.
Fixes: c0c508a418 ("i2c: mux: demux-pinctrl: Clean up sysfs attributes")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
New core support
* UV light modifier (for intensity)
* UV light index channel type.
New device support
* hp206c barometer and altimeter
- new driver.
* mcp4131 potentiometer
- new driver supporting lots of parts from Microchip.
* mma8452
- FXLS8471Q support
- NXP LPC18XX SOC ADC
- new driver.
- NXP LPC18XX SOC DAC
- new driver.
- rockchip_saradc
- support rk3399
* st accel
- h3lis331dl support
Staging driver removals
* adis16204
- obsolete part making it hard to get parts to test the driver in order
to clean it up.
* adis16220
- obsolete part making it hard to get the parts test the driver in order
to clean it up.
Features
* core
- convenience functions to claim / release direct access to the device.
Makes more consistent handling of this corner easier. Used in ad7192 driver.
* ak8975
- power regulator support.
* at91-sama5d2
- differential channel support.
* mma8452
- runtime pm support
- drop device specific autosleep and use the runtime pm one instead.
* ms5611
- DT bindings
- oversampling ratio support
Cleanups and minor fixes
* MAINTAINERS
- Peter got married - hence name change!
* Documentation
- Fix a typo in in_proximity_raw description.
- Add some missing docs for iio_buffer_access_funcs.
* Tools
- update iio_event_monitor names to match new stuff.
- make generic_buffer look for triggers ending in -trigger as we let these in
for a number of drivers a long time back and now it is a fairly common
option.
Drivers
* staging wide
- convert bare unsigned usage to unsigned int to comply with coding style.
* non staging wide:
- since boiler plate gpio handling of interrupts has been moved into the
ACPI core we don't need to include gpio/consumer.h in a load of drivers so
drop it.
* ad7606
- fix an endian casting sparse warning.
* ak8975
- fix a possible unitialized warning from gcc.
- drop and unused field left over from earlier cleanups
- fix a missing regulator_disable on exit.
* at91-sama5d2
- typo and indentation
- missing IOMEM dependency.
- cleanup mode register usage by avoidling erasing whole thing when changing
the sampling frequency.
* bmc150
- use the core demux and available_scan_masks to simplify buffer handling
- optimize the transfers in the trigger handler now we have a magic function
to emulate bulk reads (under circumstances met here). This matters with some
rather dumb i2c adapters in particular.
- use a single regmap_conf for all bus types as they were all the same.
* bmg160
- use the core demux and available_scan_masks to simplify the buffer handling
- optimize the transfers in the trigger handler now we have a magic funciton
to emulate bulk rads (under circumstances met here).
- drop gpio interrupt probing from the driver (ACPI) as now handled by the
ACPI core.
* ina2xx-adc
- update the CALIB register when RShunt changes.
- fix scale for VShunt - in reality this error canceled out when used.
* isl29028
- use regmap to retrieve the struct device instead of carrying a second
copy of it around.
* kxcjk-1013
- use core demux
- optimize i2c transfers in the trigger handler.
* mcp4531
- refactor to use a pointer to access model parameters instead of indexing
into the array each time.
* mma8452
- style fixes
- avoid swtiching to active whenever the config changes
- add missin i2c_device_id for mma8451
* mpu6050
- fix possible NULL dereference.
- fix the name / chip_id used when ACPI used (otherwise reports as NULL).
* ms5611
- fix a missing regulator_disable that left the regulator on during removal.
* mxc4005
- drop gpio interrupt handling for ACPI case from driver as the core now
handles this case.
* st-sensors
- note that there are only ever a maximum of 3 axis on current st-sensors
so just allocate a fixed sized buffer big enough for that.
* tpl0102
- change the i2c_check_functionality condition to bring it inline with other
IIO users as EOPNOTSUPP.
* tsl2563
- replace deprecated flush_scheduled_work
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Merge tag 'iio-for-4.7a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First round of IIO new device support, features and cleanups for the 4.7 cycle.
New core support
* UV light modifier (for intensity)
* UV light index channel type.
New device support
* hp206c barometer and altimeter
- new driver.
* mcp4131 potentiometer
- new driver supporting lots of parts from Microchip.
* mma8452
- FXLS8471Q support
- NXP LPC18XX SOC ADC
- new driver.
- NXP LPC18XX SOC DAC
- new driver.
- rockchip_saradc
- support rk3399
* st accel
- h3lis331dl support
Staging driver removals
* adis16204
- obsolete part making it hard to get parts to test the driver in order
to clean it up.
* adis16220
- obsolete part making it hard to get the parts test the driver in order
to clean it up.
Features
* core
- convenience functions to claim / release direct access to the device.
Makes more consistent handling of this corner easier. Used in ad7192 driver.
* ak8975
- power regulator support.
* at91-sama5d2
- differential channel support.
* mma8452
- runtime pm support
- drop device specific autosleep and use the runtime pm one instead.
* ms5611
- DT bindings
- oversampling ratio support
Cleanups and minor fixes
* MAINTAINERS
- Peter got married - hence name change!
* Documentation
- Fix a typo in in_proximity_raw description.
- Add some missing docs for iio_buffer_access_funcs.
* Tools
- update iio_event_monitor names to match new stuff.
- make generic_buffer look for triggers ending in -trigger as we let these in
for a number of drivers a long time back and now it is a fairly common
option.
Drivers
* staging wide
- convert bare unsigned usage to unsigned int to comply with coding style.
* non staging wide:
- since boiler plate gpio handling of interrupts has been moved into the
ACPI core we don't need to include gpio/consumer.h in a load of drivers so
drop it.
* ad7606
- fix an endian casting sparse warning.
* ak8975
- fix a possible unitialized warning from gcc.
- drop and unused field left over from earlier cleanups
- fix a missing regulator_disable on exit.
* at91-sama5d2
- typo and indentation
- missing IOMEM dependency.
- cleanup mode register usage by avoidling erasing whole thing when changing
the sampling frequency.
* bmc150
- use the core demux and available_scan_masks to simplify buffer handling
- optimize the transfers in the trigger handler now we have a magic function
to emulate bulk reads (under circumstances met here). This matters with some
rather dumb i2c adapters in particular.
- use a single regmap_conf for all bus types as they were all the same.
* bmg160
- use the core demux and available_scan_masks to simplify the buffer handling
- optimize the transfers in the trigger handler now we have a magic funciton
to emulate bulk rads (under circumstances met here).
- drop gpio interrupt probing from the driver (ACPI) as now handled by the
ACPI core.
* ina2xx-adc
- update the CALIB register when RShunt changes.
- fix scale for VShunt - in reality this error canceled out when used.
* isl29028
- use regmap to retrieve the struct device instead of carrying a second
copy of it around.
* kxcjk-1013
- use core demux
- optimize i2c transfers in the trigger handler.
* mcp4531
- refactor to use a pointer to access model parameters instead of indexing
into the array each time.
* mma8452
- style fixes
- avoid swtiching to active whenever the config changes
- add missin i2c_device_id for mma8451
* mpu6050
- fix possible NULL dereference.
- fix the name / chip_id used when ACPI used (otherwise reports as NULL).
* ms5611
- fix a missing regulator_disable that left the regulator on during removal.
* mxc4005
- drop gpio interrupt handling for ACPI case from driver as the core now
handles this case.
* st-sensors
- note that there are only ever a maximum of 3 axis on current st-sensors
so just allocate a fixed sized buffer big enough for that.
* tpl0102
- change the i2c_check_functionality condition to bring it inline with other
IIO users as EOPNOTSUPP.
* tsl2563
- replace deprecated flush_scheduled_work
UV index indicating strength of sunburn-producing ultraviolet (UV) radiation
Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
- Fix for an intel_pstate driver issue related to the handling of
MSR updates uncovered by the recent cpufreq rework (Rafael Wysocki).
- cpufreq core cleanups related to starting governors and frequency
synchronization during resume from system suspend and a locking
fix for cpufreq_quick_get() (Rafael Wysocki, Richard Cochran).
- acpi-cpufreq and powernv cpufreq driver updates (Jisheng Zhang,
Michael Neuling, Richard Cochran, Shilpasri Bhat).
- intel_idle driver update preventing some Skylake-H systems
from hanging during initialization by disabling deep C-states
mishandled by the platform in the problematic configurations (Len
Brown).
- Intel Xeon Phi Processor x200 support for intel_idle (Dasaratharaman
Chandramouli).
- cpuidle menu governor updates to make it always honor PM QoS
latency constraints (and prevent C1 from being used as the
fallback C-state on x86 when they are set below its exit latency)
and to restore the previous behavior to fall back to C1 if the next
timer event is set far enough in the future that was changed in 4.4
which led to an energy consumption regression (Rik van Riel, Rafael
Wysocki).
- New device ID for a future AMD UART controller in the ACPI driver
for AMD SoCs (Wang Hongcheng).
- Rockchip rk3399 support for the rockchip-io-domain adaptive voltage
scaling (AVS) driver (David Wu).
- ACPI PCI resources management fix for the handling of IO space
resources on architectures where the IO space is memory mapped
(IA64 and ARM64) broken by the introduction of common ACPI
resources parsing for PCI host bridges in 4.4 (Lorenzo Pieralisi).
- Fix for the ACPI backend of the generic device properties API
to make it parse non-device (data node only) children of an
ACPI device correctly (Irina Tirdea).
- Fixes for the handling of global suspend flags (introduced in 4.4)
during hibernation and resume from it (Lukas Wunner).
- Support for obtaining configuration information from Device Trees
in the PM clocks framework (Jon Hunter).
- ACPI _DSM helper code and devfreq framework cleanups (Colin Ian
King, Geert Uytterhoeven).
/
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Merge tag 'pm+acpi-4.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI updates from Rafael Wysocki:
"The second batch of power management and ACPI updates for v4.6.
Included are fixups on top of the previous PM/ACPI pull request and
other material that didn't make into it but still should go into 4.6.
Among other things, there's a fix for an intel_pstate driver issue
uncovered by recent cpufreq changes, a workaround for a boot hang on
Skylake-H related to the handling of deep C-states by the platform and
a PCI/ACPI fix for the handling of IO port resources on non-x86
architectures plus some new device IDs and similar.
Specifics:
- Fix for an intel_pstate driver issue related to the handling of MSR
updates uncovered by the recent cpufreq rework (Rafael Wysocki).
- cpufreq core cleanups related to starting governors and frequency
synchronization during resume from system suspend and a locking fix
for cpufreq_quick_get() (Rafael Wysocki, Richard Cochran).
- acpi-cpufreq and powernv cpufreq driver updates (Jisheng Zhang,
Michael Neuling, Richard Cochran, Shilpasri Bhat).
- intel_idle driver update preventing some Skylake-H systems from
hanging during initialization by disabling deep C-states mishandled
by the platform in the problematic configurations (Len Brown).
- Intel Xeon Phi Processor x200 support for intel_idle
(Dasaratharaman Chandramouli).
- cpuidle menu governor updates to make it always honor PM QoS
latency constraints (and prevent C1 from being used as the fallback
C-state on x86 when they are set below its exit latency) and to
restore the previous behavior to fall back to C1 if the next timer
event is set far enough in the future that was changed in 4.4 which
led to an energy consumption regression (Rik van Riel, Rafael
Wysocki).
- New device ID for a future AMD UART controller in the ACPI driver
for AMD SoCs (Wang Hongcheng).
- Rockchip rk3399 support for the rockchip-io-domain adaptive voltage
scaling (AVS) driver (David Wu).
- ACPI PCI resources management fix for the handling of IO space
resources on architectures where the IO space is memory mapped
(IA64 and ARM64) broken by the introduction of common ACPI
resources parsing for PCI host bridges in 4.4 (Lorenzo Pieralisi).
- Fix for the ACPI backend of the generic device properties API to
make it parse non-device (data node only) children of an ACPI
device correctly (Irina Tirdea).
- Fixes for the handling of global suspend flags (introduced in 4.4)
during hibernation and resume from it (Lukas Wunner).
- Support for obtaining configuration information from Device Trees
in the PM clocks framework (Jon Hunter).
- ACPI _DSM helper code and devfreq framework cleanups (Colin Ian
King, Geert Uytterhoeven)"
* tag 'pm+acpi-4.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
PM / AVS: rockchip-io: add io selectors and supplies for rk3399
intel_idle: Support for Intel Xeon Phi Processor x200 Product Family
intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled
ACPI / PM: Runtime resume devices when waking from hibernate
PM / sleep: Clear pm_suspend_global_flags upon hibernate
cpufreq: governor: Always schedule work on the CPU running update
cpufreq: Always update current frequency before startig governor
cpufreq: Introduce cpufreq_update_current_freq()
cpufreq: Introduce cpufreq_start_governor()
cpufreq: powernv: Add sysfs attributes to show throttle stats
cpufreq: acpi-cpufreq: make Intel/AMD MSR access, io port access static
PCI: ACPI: IA64: fix IO port generic range check
ACPI / util: cast data to u64 before shifting to fix sign extension
cpufreq: powernv: Define per_cpu chip pointer to optimize hot-path
cpuidle: menu: Fall back to polling if next timer event is near
cpufreq: acpi-cpufreq: Clean up hot plug notifier callback
intel_pstate: Do not call wrmsrl_on_cpu() with disabled interrupts
cpufreq: Make cpufreq_quick_get() safe to call
ACPI / property: fix data node parsing in acpi_get_next_subnode()
ACPI / APD: Add device HID for future AMD UART controller
...
Significant refactoring of Dell laptop drivers, modularizing the smbios code.
Multiple new platforms added for ideapad, asus, dell, and alienware using
existing quirks. A few fixes and cleanups.
hp-wmi:
- Remove GPS rfkill support via pre-2009 interface
- fix unregister order in hp_wmi_rfkill_setup() once again
ideapad-laptop:
- Add ideapad Y700 (15) to the no_hw_rfkill DMI list
fujitsu-laptop:
- Support radio toggle button
intel-hid:
- allocate correct amount of memory for private struct
platform/x86:
- Make intel_scu_ipc explicitly non-modular
intel_pmc_ipc:
- Avoid pending IPC1 command during legacy suspend
- Fix GCR register base address and length
asus-nb-wmi:
- add wapf=4 quirk for ASUS X75VD
intel_telemetry_pltdrv:
- Change verbosity control bits
dell-rbtn:
- Add a comment about the XPS 13 9350
dell-wmi, dell-laptop:
- depends DMI
dell-wmi:
- support Dell Inspiron M5110
- properly process Dell Instant Launch hotkey
- enable receiving WMI events on Dell Vostro V131
- Support new hotkeys on the XPS 13 9350 (Skylake)
- Clean up hotkey table size check
- Stop storing pointers to DMI tables
dell-laptop:
- move dell_smi_error() to dell-smbios
- use dell_smbios_find_token() instead of find_token_location()
- use dell_smbios_find_token() instead of find_token_id()
- extract SMBIOS-related code to a separate module
dell-smbios:
- rename dell_smi_error() to dell_smbios_error()
- make da_tokens static
- remove find_token_{id,location}()
- implement new function for finding DMI table 0xDA tokens
- make the SMBIOS buffer static
- return the SMBIOS buffer from dell_smbios_get_buffer()
- don't return an SMBIOS buffer from dell_smbios_send_request()
- don't pass an SMBIOS buffer to dell_smbios_send_request()
- rename dell_send_request() to dell_smbios_send_request()
- rename release_buffer() to dell_smbios_release_buffer()
- rename clear_buffer() to dell_smbios_clear_buffer()
- rename get_buffer() to dell_smbios_get_buffer()
dell-led:
- use dell_smbios_send_request() for performing SMBIOS calls
- use dell_smbios_find_token() for finding mic DMI tokens
toshiba_acpi:
- Add a module parameter to disable hotkeys registration
- Add sysfs entries for the Cooling Method feature
- Add support for cooling method feature
Documentation/ABI:
- Update sysfs-driver-toshiba_acpi file
thinkpad_acpi:
- Remove ambiguous logging for "Unsupported brightness interface"
alienware-wmi:
- whitespace improvements
- Add support for two new systems: ASM200 and ASM201.
- Add support for deep sleep control.
- Add initial support for alienware graphics amplifier.
- Add support for new platform: X51-R3
- Clean up whitespace for ASM100 platform
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Merge tag 'platform-drivers-x86-v4.6-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Significant refactoring of Dell laptop drivers, modularizing the
smbios code. Multiple new platforms added for ideapad, asus, dell,
and alienware using existing quirks. A few fixes and cleanups.
hp-wmi:
- Remove GPS rfkill support via pre-2009 interface
- fix unregister order in hp_wmi_rfkill_setup() once again
ideapad-laptop:
- Add ideapad Y700 (15) to the no_hw_rfkill DMI list
fujitsu-laptop:
- Support radio toggle button
intel-hid:
- allocate correct amount of memory for private struct
platform/x86:
- Make intel_scu_ipc explicitly non-modular
intel_pmc_ipc:
- Avoid pending IPC1 command during legacy suspend
- Fix GCR register base address and length
asus-nb-wmi:
- add wapf=4 quirk for ASUS X75VD
intel_telemetry_pltdrv:
- Change verbosity control bits
dell-rbtn:
- Add a comment about the XPS 13 9350
dell-wmi, dell-laptop:
- depends DMI
dell-wmi:
- support Dell Inspiron M5110
- properly process Dell Instant Launch hotkey
- enable receiving WMI events on Dell Vostro V131
- Support new hotkeys on the XPS 13 9350 (Skylake)
- Clean up hotkey table size check
- Stop storing pointers to DMI tables
dell-laptop:
- move dell_smi_error() to dell-smbios
- use dell_smbios_find_token() instead of find_token_location()
- use dell_smbios_find_token() instead of find_token_id()
- extract SMBIOS-related code to a separate module
dell-smbios:
- rename dell_smi_error() to dell_smbios_error()
- make da_tokens static
- remove find_token_{id,location}()
- implement new function for finding DMI table 0xDA tokens
- make the SMBIOS buffer static
- return the SMBIOS buffer from dell_smbios_get_buffer()
- don't return an SMBIOS buffer from dell_smbios_send_request()
- don't pass an SMBIOS buffer to dell_smbios_send_request()
- rename dell_send_request() to dell_smbios_send_request()
- rename release_buffer() to dell_smbios_release_buffer()
- rename clear_buffer() to dell_smbios_clear_buffer()
- rename get_buffer() to dell_smbios_get_buffer()
dell-led:
- use dell_smbios_send_request() for performing SMBIOS calls
- use dell_smbios_find_token() for finding mic DMI tokens
toshiba_acpi:
- Add a module parameter to disable hotkeys registration
- Add sysfs entries for the Cooling Method feature
- Add support for cooling method feature
Documentation/ABI:
- Update sysfs-driver-toshiba_acpi file
thinkpad_acpi:
- Remove ambiguous logging for "Unsupported brightness interface"
alienware-wmi:
- whitespace improvements
- Add support for two new systems: ASM200 and ASM201.
- Add support for deep sleep control.
- Add initial support for alienware graphics amplifier.
- Add support for new platform: X51-R3
- Clean up whitespace for ASM100 platform"
* tag 'platform-drivers-x86-v4.6-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (47 commits)
hp-wmi: Remove GPS rfkill support via pre-2009 interface
hp-wmi: fix unregister order in hp_wmi_rfkill_setup() once again
dell-wmi: support Dell Inspiron M5110
dell-wmi: properly process Dell Instant Launch hotkey
dell-wmi: enable receiving WMI events on Dell Vostro V131
dell-smbios: rename dell_smi_error() to dell_smbios_error()
dell-laptop: move dell_smi_error() to dell-smbios
ideapad-laptop: Add ideapad Y700 (15) to the no_hw_rfkill DMI list
fujitsu-laptop: Support radio toggle button
intel-hid: allocate correct amount of memory for private struct
platform/x86: Make intel_scu_ipc explicitly non-modular
intel_pmc_ipc: Avoid pending IPC1 command during legacy suspend
intel_pmc_ipc: Fix GCR register base address and length
asus-nb-wmi: add wapf=4 quirk for ASUS X75VD
intel_telemetry_pltdrv: Change verbosity control bits
dell-rbtn: Add a comment about the XPS 13 9350
dell-wmi: Support new hotkeys on the XPS 13 9350 (Skylake)
dell-wmi: Clean up hotkey table size check
dell-wmi, dell-laptop: depends DMI
dell-wmi: Stop storing pointers to DMI tables
...
This patch updates the documentation file adding the Cooling Method
entry.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Create sysfs attributes to export throttle information in
/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats directory. The
newly added sysfs files are as follows:
1)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/turbo_stat
2)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/sub-turbo_stat
3)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/unthrottle
4)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/powercap
5)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overtemp
6)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/supply_fault
7)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/overcurrent
8)/sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/occ_reset
Detailed explanation of each attribute is added to
Documentation/ABI/testing/sysfs-devices-system-cpu
Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Pull i2c updates from Wolfram Sang:
"Mostly usual driver updates and improvements. The changelog should
give an idea. Standing out is the i2c-qup driver with lots of new
capabilities and we also have now an i2c-demuxer.
I'd especially like to welcome Peter Rosin as the i2c-mux maintainer.
He has an interesting series for muxes in the queue and agreed to look
after this part of the subsystem. Thank you, Peter, and welcome
again!
The octeon changes were applied pretty recently before the merge
window. I am aware. They are the first (and relatively simple)
patches of a larger overhaul to this driver. In case something goes
wrong with them, they are easy to fix (or revert). The advantage I
see is that they are out of the way, and I can concentrate on the next
block of patches. I really would like to apply the overhaul in
smaller batches to avoid regressions. And waiting a cycle for the
introductory patches seemed too much of a delay for me"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (39 commits)
i2c: octeon: Support I2C_M_RECV_LEN
i2c: octeon: Cleanup resource allocation code
i2c: octeon: Cleanup i2c-octeon driver
MAINTAINERS: add Peter Rosin as i2c mux maintainer
dt-bindings: i2c: Spelling s/propoerty/property/
i2c: immediately mark ourselves as registered
i2c: i801: sort IDs alphabetically
MAINTAINERS: Mika and me are designated reviewers for I2C DESIGNWARE
i2c: octeon: Cleanup kerneldoc comments
i2c: do not use internal data from driver core
i2c: cadence: Fix the kernel-doc warnings
i2c: imx: remove extra spaces.
i2c: rcar: don't open code of_device_get_match_data()
i2c: qup: Fix fifo handling after adding V2 support
i2c: xiic: Implement power management
i2c: piix4: Pre-shift the port number
i2c: piix4: Always use the same type for port
i2c: piix4: Support alternative port selection register
i2c: tegra: don't open code of_device_get_match_data()
i2c: riic, sh_mobile, rcar: Use ARCH_RENESAS
...
Pull f2fs updates from Jaegeuk Kim:
"New Features:
- uplift filesystem encryption into fs/crypto/
- give sysfs entries to control memroy consumption
Enhancements:
- aio performance by preallocating blocks in ->write_iter
- use writepages lock for only WB_SYNC_ALL
- avoid redundant inline_data conversion
- enhance forground GC
- use wait_for_stable_page as possible
- speed up SEEK_DATA and fiiemap
Bug Fixes:
- corner case in terms of -ENOSPC for inline_data
- hung task caused by long latency in shrinker
- corruption between atomic write and f2fs_trace_pid
- avoid garbage lengths in dentries
- revoke atomicly written pages if an error occurs
In addition, there are various minor bug fixes and clean-ups"
* tag 'for-f2fs-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (81 commits)
f2fs: submit node page write bios when really required
f2fs: add missing argument to f2fs_setxattr stub
f2fs: fix to avoid unneeded unlock_new_inode
f2fs: clean up opened code with f2fs_update_dentry
f2fs: declare static functions
f2fs: use cryptoapi crc32 functions
f2fs: modify the readahead method in ra_node_page()
f2fs crypto: sync ext4_lookup and ext4_file_open
fs crypto: move per-file encryption from f2fs tree to fs/crypto
f2fs: mutex can't be used by down_write_nest_lock()
f2fs: recovery missing dot dentries in root directory
f2fs: fix to avoid deadlock when merging inline data
f2fs: introduce f2fs_flush_merged_bios for cleanup
f2fs: introduce f2fs_update_data_blkaddr for cleanup
f2fs crypto: fix incorrect positioning for GCing encrypted data page
f2fs: fix incorrect upper bound when iterating inode mapping tree
f2fs: avoid hungtask problem caused by losing wake_up
f2fs: trace old block address for CoWed page
f2fs: try to flush inode after merging inline data
f2fs: show more info about superblock recovery
...
Highlights:
- Restructure Linux PTE on Book3S/64 to Radix format from Paul Mackerras
- Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh Kumar K.V
- Add POWER9 cputable entry from Michael Neuling
- FPU/Altivec/VSX save/restore optimisations from Cyril Bur
- Add support for new ftrace ABI on ppc64le from Torsten Duwe
Various cleanups & minor fixes from:
- Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy, Cyril
Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell Currey,
Sukadev Bhattiprolu, Suraj Jitindar Singh.
General:
- atomics: Allow architectures to define their own __atomic_op_* helpers from
Boqun Feng
- Implement atomic{, 64}_*_return_* variants and acquire/release/relaxed
variants for (cmp)xchg from Boqun Feng
- Add powernv_defconfig from Jeremy Kerr
- Fix BUG_ON() reporting in real mode from Balbir Singh
- Add xmon command to dump OPAL msglog from Andrew Donnellan
- Add xmon command to dump process/task similar to ps(1) from Douglas Miller
- Clean up memory hotplug failure paths from David Gibson
pci/eeh:
- Redesign SR-IOV on PowerNV to give absolute isolation between VFs from Wei
Yang.
- EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
- PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
- PCI: Add pcibios_bus_add_device() weak function from Wei Yang
- MAINTAINERS: Update EEH details and maintainership from Russell Currey
cxl:
- Support added to the CXL driver for running on both bare-metal and
hypervisor systems, from Christophe Lombard and Frederic Barrat.
- Ignore probes for virtual afu pci devices from Vaibhav Jain
perf:
- Export Power8 generic and cache events to sysfs from Sukadev Bhattiprolu
- hv-24x7: Fix usage with chip events, display change in counter values,
display domain indices in sysfs, eliminate domain suffix in event names,
from Sukadev Bhattiprolu
Freescale:
- Updates from Scott: "Highlights include 8xx optimizations, 32-bit checksum
optimizations, 86xx consolidation, e5500/e6500 cpu hotplug, more fman and
other dt bits, and minor fixes/cleanup."
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Merge tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"This was delayed a day or two by some build-breakage on old toolchains
which we've now fixed.
There's two PCI commits both acked by Bjorn.
There's one commit to mm/hugepage.c which is (co)authored by Kirill.
Highlights:
- Restructure Linux PTE on Book3S/64 to Radix format from Paul
Mackerras
- Book3s 64 MMU cleanup in preparation for Radix MMU from Aneesh
Kumar K.V
- Add POWER9 cputable entry from Michael Neuling
- FPU/Altivec/VSX save/restore optimisations from Cyril Bur
- Add support for new ftrace ABI on ppc64le from Torsten Duwe
Various cleanups & minor fixes from:
- Adam Buchbinder, Andrew Donnellan, Balbir Singh, Christophe Leroy,
Cyril Bur, Luis Henriques, Madhavan Srinivasan, Pan Xinhui, Russell
Currey, Sukadev Bhattiprolu, Suraj Jitindar Singh.
General:
- atomics: Allow architectures to define their own __atomic_op_*
helpers from Boqun Feng
- Implement atomic{, 64}_*_return_* variants and acquire/release/
relaxed variants for (cmp)xchg from Boqun Feng
- Add powernv_defconfig from Jeremy Kerr
- Fix BUG_ON() reporting in real mode from Balbir Singh
- Add xmon command to dump OPAL msglog from Andrew Donnellan
- Add xmon command to dump process/task similar to ps(1) from Douglas
Miller
- Clean up memory hotplug failure paths from David Gibson
pci/eeh:
- Redesign SR-IOV on PowerNV to give absolute isolation between VFs
from Wei Yang.
- EEH Support for SRIOV VFs from Wei Yang and Gavin Shan.
- PCI/IOV: Rename and export virtfn_{add, remove} from Wei Yang
- PCI: Add pcibios_bus_add_device() weak function from Wei Yang
- MAINTAINERS: Update EEH details and maintainership from Russell
Currey
cxl:
- Support added to the CXL driver for running on both bare-metal and
hypervisor systems, from Christophe Lombard and Frederic Barrat.
- Ignore probes for virtual afu pci devices from Vaibhav Jain
perf:
- Export Power8 generic and cache events to sysfs from Sukadev
Bhattiprolu
- hv-24x7: Fix usage with chip events, display change in counter
values, display domain indices in sysfs, eliminate domain suffix in
event names, from Sukadev Bhattiprolu
Freescale:
- Updates from Scott: "Highlights include 8xx optimizations, 32-bit
checksum optimizations, 86xx consolidation, e5500/e6500 cpu
hotplug, more fman and other dt bits, and minor fixes/cleanup"
* tag 'powerpc-4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
powerpc: Fix unrecoverable SLB miss during restore_math()
powerpc/8xx: Fix do_mtspr_cpu6() build on older compilers
powerpc/rcpm: Fix build break when SMP=n
powerpc/book3e-64: Use hardcoded mttmr opcode
powerpc/fsl/dts: Add "jedec,spi-nor" flash compatible
powerpc/T104xRDB: add tdm riser card node to device tree
powerpc32: PAGE_EXEC required for inittext
powerpc/mpc85xx: Add pcsphy nodes to FManV3 device tree
powerpc/mpc85xx: Add MDIO bus muxing support to the board device tree(s)
powerpc/86xx: Introduce and use common dtsi
powerpc/86xx: Update device tree
powerpc/86xx: Move dts files to fsl directory
powerpc/86xx: Switch to kconfig fragments approach
powerpc/86xx: Update defconfigs
powerpc/86xx: Consolidate common platform code
powerpc32: Remove one insn in mulhdu
powerpc32: small optimisation in flush_icache_range()
powerpc: Simplify test in __dma_sync()
powerpc32: move xxxxx_dcache_range() functions inline
powerpc32: Remove clear_pages() and define clear_page() inline
...
Pull networking updates from David Miller:
"Highlights:
1) Support more Realtek wireless chips, from Jes Sorenson.
2) New BPF types for per-cpu hash and arrap maps, from Alexei
Starovoitov.
3) Make several TCP sysctls per-namespace, from Nikolay Borisov.
4) Allow the use of SO_REUSEPORT in order to do per-thread processing
of incoming TCP/UDP connections. The muxing can be done using a
BPF program which hashes the incoming packet. From Craig Gallek.
5) Add a multiplexer for TCP streams, to provide a messaged based
interface. BPF programs can be used to determine the message
boundaries. From Tom Herbert.
6) Add 802.1AE MACSEC support, from Sabrina Dubroca.
7) Avoid factorial complexity when taking down an inetdev interface
with lots of configured addresses. We were doing things like
traversing the entire address less for each address removed, and
flushing the entire netfilter conntrack table for every address as
well.
8) Add and use SKB bulk free infrastructure, from Jesper Brouer.
9) Allow offloading u32 classifiers to hardware, and implement for
ixgbe, from John Fastabend.
10) Allow configuring IRQ coalescing parameters on a per-queue basis,
from Kan Liang.
11) Extend ethtool so that larger link mode masks can be supported.
From David Decotigny.
12) Introduce devlink, which can be used to configure port link types
(ethernet vs Infiniband, etc.), port splitting, and switch device
level attributes as a whole. From Jiri Pirko.
13) Hardware offload support for flower classifiers, from Amir Vadai.
14) Add "Local Checksum Offload". Basically, for a tunneled packet
the checksum of the outer header is 'constant' (because with the
checksum field filled into the inner protocol header, the payload
of the outer frame checksums to 'zero'), and we can take advantage
of that in various ways. From Edward Cree"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1548 commits)
bonding: fix bond_get_stats()
net: bcmgenet: fix dma api length mismatch
net/mlx4_core: Fix backward compatibility on VFs
phy: mdio-thunder: Fix some Kconfig typos
lan78xx: add ndo_get_stats64
lan78xx: handle statistics counter rollover
RDS: TCP: Remove unused constant
RDS: TCP: Add sysctl tunables for sndbuf/rcvbuf on rds-tcp socket
net: smc911x: convert pxa dma to dmaengine
team: remove duplicate set of flag IFF_MULTICAST
bonding: remove duplicate set of flag IFF_MULTICAST
net: fix a comment typo
ethernet: micrel: fix some error codes
ip_tunnels, bpf: define IP_TUNNEL_OPTS_MAX and use it
bpf, dst: add and use dst_tclassid helper
bpf: make skb->tc_classid also readable
net: mvneta: bm: clarify dependencies
cls_bpf: reset class and reuse major in da
ldmvsw: Checkpatch sunvnet.c and sunvnet_common.c
ldmvsw: Add ldmvsw.c driver code
...
Here is the big staging driver pull request for 4.6-rc1.
Lots of little things here, over 1600 patches or so. Notible is all of
the good Lustre work happening, those developers have finally woken up
and are cleaning up their code greatly. The Outreachy intern
application process is also happening, which brought in another 400 or
so patches. Full details are in the very long shortlog.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big staging driver pull request for 4.6-rc1.
Lots of little things here, over 1600 patches or so. Notable is all
of the good Lustre work happening, those developers have finally woken
up and are cleaning up their code greatly. The Outreachy intern
application process is also happening, which brought in another 400 or
so patches. Full details are in the very long shortlog.
All of these have been in linux-next with no reported issues"
* tag 'staging-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1673 commits)
staging: lustre: fix aligments in lnet selftest
staging: lustre: report minimum of two buffers for LNet selftest load test
staging: lustre: test for proper errno code in lstcon_rpc_trans_abort
staging: lustre: filter remaining extra spacing for lnet selftest
staging: lustre: remove extra spacing when setting variable for lnet selftest
staging: lustre: remove extra spacing of variable declartions for lnet selftest
staging: lustre: fix spacing issues checkpatch reported in lnet selftest
staging: lustre: remove returns in void function for lnet selftest
staging: lustre: fix bogus lst errors for lnet selftest
staging: netlogic: Replacing pr_err with dev_err after the call to devm_kzalloc
staging: mt29f_spinand: Replacing pr_info with dev_info after the call to devm_kzalloc
staging: android: ion: fix up file mode
staging: ion: debugfs invalid gfp mask
staging: rts5208: Replace pci_enable_device with pcim_enable_device
Staging: ieee80211: Place constant on right side of the test.
staging: speakup: Replace del_timer with del_timer_sync
staging: lowmemorykiller: fix 2 checks that checkpatch complained
staging: mt29f_spinand: Drop void pointer cast
staging: rdma: hfi1: file_ops: Replace ALIGN with PAGE_ALIGN
staging: rdma: hfi1: driver: Replace IS_ALIGNED with PAGE_ALIGNED
...
Core changes:
- The gpio_chip is now a *real device*. Until now the gpio chips
were just piggybacking the parent device or (gasp) floating in
space outside of the device model. We now finally make GPIO chips
devices. The gpio_chip will create a gpio_device which contains
a struct device, and this gpio_device struct is kept private.
Anything that needs to be kept private from the rest of the kernel
will gradually be moved over to the gpio_device.
- As a result of making the gpio_device a real device, we have added
resource management, so devm_gpiochip_add_data() will cut down on
overhead and reduce code lines. A huge slew of patches convert
almost all drivers in the subsystem to use this.
- Building on making the GPIO a real device, we add the first step
of a new userspace ABI: the GPIO character device. We take small
steps here, so we first add a pure *information* ABI and the tool
"lsgpio" that will list all GPIO devices on the system and all
lines on these devices. We can now discover GPIOs properly from
userspace. We still have not come up with a way to actually *use*
GPIOs from userspace.
- To encourage people to use the character device for the future,
we have it always-enabled when using GPIO. The old sysfs ABI is
still opt-in (and can be used in parallel), but is marked as
deprecated. We will keep it around for the foreseeable future,
but it will not be extended to cover ever more use cases.
Cleanup:
- Bjorn Helgaas removed a whole slew of per-architecture <asm/gpio.h>
includes. This dates back to when GPIO was an opt-in feature and
no shared library even existed: just a header file with proper
prototypes was provided and all semantics were up to the arch to
implement. These patches make the GPIO chip even more a proper
device and cleans out leftovers of the old in-kernel API here
and there. Still some cruft is left but it's very little now.
- There is still some clamping of return values for .get() going
on, but we now return sane values in the vast majority of drivers
and the errorpath is sanitized. Some patches for powerpc, blackfin
and unicore still drop in.
- We continue to switch the ARM, MIPS, blackfin, m68k local GPIO
implementations to use gpiochip_add_data() and cut down on code
lines.
- MPC8xxx is converted to use the generic GPIO helpers.
- ATH79 is converted to use the generic GPIO helpers.
New drivers:
- WinSystems WS16C48
- Acces 104-DIO-48E
- F81866 (a F7188x variant)
- Qoric (a MPC8xxx variant)
- TS-4800
- SPI serializers (pisosr): simple 74xx shift registers connected
to SPI to obtain a dirt-cheap output-only GPIO expander.
- Texas Instruments TPIC2810
- Texas Instruments TPS65218
- Texas Instruments TPS65912
- X-Gene (ARM64) standby GPIO controller
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Merge tag 'gpio-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for kernel v4.6. There is quite a
lot of interesting stuff going on.
The patches to other subsystems and arch-wide are ACKed as far as
possible, though I consider things like per-arch <asm/gpio.h> as
essentially a part of the GPIO subsystem so it should not be needed.
Core changes:
- The gpio_chip is now a *real device*. Until now the gpio chips
were just piggybacking the parent device or (gasp) floating in
space outside of the device model.
We now finally make GPIO chips devices. The gpio_chip will create
a gpio_device which contains a struct device, and this gpio_device
struct is kept private. Anything that needs to be kept private
from the rest of the kernel will gradually be moved over to the
gpio_device.
- As a result of making the gpio_device a real device, we have added
resource management, so devm_gpiochip_add_data() will cut down on
overhead and reduce code lines. A huge slew of patches convert
almost all drivers in the subsystem to use this.
- Building on making the GPIO a real device, we add the first step of
a new userspace ABI: the GPIO character device. We take small
steps here, so we first add a pure *information* ABI and the tool
"lsgpio" that will list all GPIO devices on the system and all
lines on these devices.
We can now discover GPIOs properly from userspace. We still have
not come up with a way to actually *use* GPIOs from userspace.
- To encourage people to use the character device for the future, we
have it always-enabled when using GPIO. The old sysfs ABI is still
opt-in (and can be used in parallel), but is marked as deprecated.
We will keep it around for the foreseeable future, but it will not
be extended to cover ever more use cases.
Cleanup:
- Bjorn Helgaas removed a whole slew of per-architecture <asm/gpio.h>
includes.
This dates back to when GPIO was an opt-in feature and no shared
library even existed: just a header file with proper prototypes was
provided and all semantics were up to the arch to implement. These
patches make the GPIO chip even more a proper device and cleans out
leftovers of the old in-kernel API here and there.
Still some cruft is left but it's very little now.
- There is still some clamping of return values for .get() going on,
but we now return sane values in the vast majority of drivers and
the errorpath is sanitized. Some patches for powerpc, blackfin and
unicore still drop in.
- We continue to switch the ARM, MIPS, blackfin, m68k local GPIO
implementations to use gpiochip_add_data() and cut down on code
lines.
- MPC8xxx is converted to use the generic GPIO helpers.
- ATH79 is converted to use the generic GPIO helpers.
New drivers:
- WinSystems WS16C48
- Acces 104-DIO-48E
- F81866 (a F7188x variant)
- Qoric (a MPC8xxx variant)
- TS-4800
- SPI serializers (pisosr): simple 74xx shift registers connected to
SPI to obtain a dirt-cheap output-only GPIO expander.
- Texas Instruments TPIC2810
- Texas Instruments TPS65218
- Texas Instruments TPS65912
- X-Gene (ARM64) standby GPIO controller"
* tag 'gpio-v4.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (194 commits)
Revert "Share upstreaming patches"
gpio: mcp23s08: Fix clearing of interrupt.
gpiolib: Fix comment referring to gpio_*() in gpiod_*()
gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit
gpio: xgene: Fix kconfig for standby GIPO contoller
gpio: Add generic serializer DT binding
gpio: uapi: use 0xB4 as ioctl() major
gpio: tps65912: fix bad merge
Revert "gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free"
gpio: omap: drop dev field from gpio_bank structure
gpio: mpc8xxx: Slightly update the code for better readability
gpio: mpc8xxx: Remove *read_reg and *write_reg from struct mpc8xxx_gpio_chip
gpio: mpc8xxx: Fixup setting gpio direction output
gpio: mcp23s08: Add support for mcp23s18
dt-bindings: gpio: altera: Fix altr,interrupt-type property
gpio: add driver for MEN 16Z127 GPIO controller
gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free
gpio: timberdale: Switch to devm_ioremap_resource()
gpio: ts4800: Add IMX51 dependency
gpiolib: rewrite gpiodev_add_to_list
...
Just a few patches this time around for the 4.6-rc1 merge window.
Largest is a new firmware driver, but there are some other updates to
the driver core in here as well, the shortlog has the details.
All 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 'driver-core-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Just a few patches this time around for the 4.6-rc1 merge window.
Largest is a new firmware driver, but there are some other updates to
the driver core in here as well, the shortlog has the details.
All have been in linux-next for a while with no reported issues"
* tag 'driver-core-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
Revert "driver-core: platform: probe of-devices only using list of compatibles"
firmware: qemu config needs I/O ports
firmware: qemu_fw_cfg.c: fix typo FW_CFG_DATA_OFF
driver-core: platform: probe of-devices only using list of compatibles
driver-core: platform: fix typo in documentation for multi-driver helper
component: remove impossible condition
drivers: dma-coherent: simplify dma_init_coherent_memory return value
devicetree: update documentation for fw_cfg ARM bindings
firmware: create directory hierarchy for sysfs fw_cfg entries
firmware: introduce sysfs driver for QEMU's fw_cfg device
kobject: export kset_find_obj() for module use
driver core: bus: use to_subsys_private and to_device_private_bus
driver core: bus: use list_for_each_entry*
debugfs: Add stub function for debugfs_create_automount().
kernfs: make kernfs_walk_ns() use kernfs_pr_cont_buf[]
This is smallish update with minor changes to core and new driver and usual
updates. Nothing super exciting here..
- We have made slave address as physical to enable driver to do the mapping.
- We now expose the maxburst for slave dma as new capability so clients can
know this and program accordingly
- addition of device synchronize callbacks on omap and edma.
- pl330 updates to support DMAFLUSHP for Rockchip platforms.
- Updates and improved sg handling in Xilinx VDMA driver.
- New hidma qualcomm dma driver, though some bits are still in progress
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Merge tag 'dmaengine-4.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This is smallish update with minor changes to core and new driver and
usual updates. Nothing super exciting here..
- We have made slave address as physical to enable driver to do the
mapping.
- We now expose the maxburst for slave dma as new capability so
clients can know this and program accordingly
- addition of device synchronize callbacks on omap and edma.
- pl330 updates to support DMAFLUSHP for Rockchip platforms.
- Updates and improved sg handling in Xilinx VDMA driver.
- New hidma qualcomm dma driver, though some bits are still in
progress"
* tag 'dmaengine-4.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (40 commits)
dmaengine: IOATDMA: revise channel reset workaround on CB3.3 platforms
dmaengine: add Qualcomm Technologies HIDMA channel driver
dmaengine: add Qualcomm Technologies HIDMA management driver
dmaengine: hidma: Add Device Tree binding
dmaengine: qcom_bam_dma: move to qcom directory
dmaengine: tegra: Move of_device_id table near to its user
dmaengine: xilinx_vdma: Remove unnecessary variable initializations
dmaengine: sirf: use __maybe_unused to hide pm functions
dmaengine: rcar-dmac: clear pertinence number of channels
dmaengine: sh: shdmac: don't open code of_device_get_match_data()
dmaengine: tegra: don't open code of_device_get_match_data()
dmaengine: qcom_bam_dma: Make driver work for BE
dmaengine: sun4i: support module autoloading
dma/mic_x100_dma: IS_ERR() vs PTR_ERR() typo
dmaengine: xilinx_vdma: Use readl_poll_timeout instead of do while loop's
dmaengine: xilinx_vdma: Simplify spin lock handling
dmaengine: xilinx_vdma: Fix issues with non-parking mode
dmaengine: xilinx_vdma: Improve SG engine handling
dmaengine: pl330: fix to support the burst mode
dmaengine: make slave address physical
...
Pull security layer updates from James Morris:
"There are a bunch of fixes to the TPM, IMA, and Keys code, with minor
fixes scattered across the subsystem.
IMA now requires signed policy, and that policy is also now measured
and appraised"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (67 commits)
X.509: Make algo identifiers text instead of enum
akcipher: Move the RSA DER encoding check to the crypto layer
crypto: Add hash param to pkcs1pad
sign-file: fix build with CMS support disabled
MAINTAINERS: update tpmdd urls
MODSIGN: linux/string.h should be #included to get memcpy()
certs: Fix misaligned data in extra certificate list
X.509: Handle midnight alternative notation in GeneralizedTime
X.509: Support leap seconds
Handle ISO 8601 leap seconds and encodings of midnight in mktime64()
X.509: Fix leap year handling again
PKCS#7: fix unitialized boolean 'want'
firmware: change kernel read fail to dev_dbg()
KEYS: Use the symbol value for list size, updated by scripts/insert-sys-cert
KEYS: Reserve an extra certificate symbol for inserting without recompiling
modsign: hide openssl output in silent builds
tpm_tis: fix build warning with tpm_tis_resume
ima: require signed IMA policy
ima: measure and appraise the IMA policy itself
ima: load policy using path
...
The Qualcomm Technologies HIDMA device has been designed to support
virtualization technology. The driver has been divided into two to follow
the hardware design.
1. HIDMA Management driver
2. HIDMA Channel driver
Each HIDMA HW consists of multiple channels. These channels share some set
of common parameters. These parameters are initialized by the management
driver during power up. Same management driver is used for monitoring the
execution of the channels. Management driver can change the performance
behavior dynamically such as bandwidth allocation and prioritization.
The management driver is executed in host context and is the main
management entity for all channels provided by the device.
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Filter out a few adapter parameters which don't make sense in a guest.
Document the changes.
Co-authored-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Reviewed-by: Manoj Kumar <manoj@linux.vnet.ibm.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Switch attribute wakeup_data from binary to a text attribute.
This makes it easier to handle in userspace and allows to
use the output of tools like mode2 almost as is to set a
wakeup sequence.
Changing to a text format and values in microseconds also
makes the userspace interface independent of the setting of
SAMPLE_PERIOD in the driver.
In addition document the new sysfs attribute in
Documentation/ABI/testing/sysfs-class-rc-nuvoton.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This attribute is exported to user space to disable the link
throughput auto-detection by setting a fixed value.
The throughput override value is used when batman-adv is
computing the link throughput towards a neighbour.
If the value is set to 0 then batman-adv will try to detect
the throughput by itself.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
This parameter can be set individually on each interface and
allows the configuration of the elp interval for the link
quality measurements during runtime. Usually it is desirable
to set it to a higher (= slower) value on interfaces which
have a more static characteristic (e.g. wired interfaces)
or very dense neighbourhoods to reduce overhead.
Developed by Linus during a 6 months trainee study period in
Ascom (Switzerland) AG.
Signed-off-by: Linus Luessing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
[antonio@open-mesh.com: respin on top of the latest master]
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Add driver support for DAC peripheral on Vybrid SoC.
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch introduces lifetime IO write statistics exposed to the sysfs interface.
The write IO amount is obtained from block layer, accumulated in the file system and
stored in the hot node summary of checkpoint.
Signed-off-by: Shuoran Liu <liushuoran@huawei.com>
Signed-off-by: Pengyang Hou <houpengyang@huawei.com>
[Jaegeuk Kim: add sysfs documentation]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This patch exports a new sysfs entry 'dirty_nat_ratio' to control threshold
of dirty nat entries, if current ratio exceeds configured threshold,
checkpoint will be triggered in f2fs_balance_fs_bg for flushing dirty nats.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Add ABI file documenting hmc5843 non-standard attributes
meas_conf and meas_conf_available for bias current
configuration.
Signed-off-by: Cristina Moraru <cristina.moraru09@gmail.com>
Cc: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Add IMA policy support for measuring/appraising the kexec image and
initramfs. Two new IMA policy identifiers KEXEC_KERNEL_CHECK and
KEXEC_INITRAMFS_CHECK are defined.
Example policy rules:
measure func=KEXEC_KERNEL_CHECK
appraise func=KEXEC_KERNEL_CHECK appraise_type=imasig
measure func=KEXEC_INITRAMFS_CHECK
appraise func=KEXEC_INITRAMFS_CHECK appraise_type=imasig
Moving the enumeration to the vfs layer simplified the patches, allowing
the IMA changes, for the most part, to be separated from the other
changes. Unfortunately, passing either a kernel_read_file_id or a
ima_hooks enumeration within IMA is messy.
Option 1: duplicate kernel_read_file enumeration in ima_hooks
enum kernel_read_file_id {
...
READING_KEXEC_IMAGE,
READING_KEXEC_INITRAMFS,
READING_MAX_ID
enum ima_hooks {
...
KEXEC_KERNEL_CHECK
KEXEC_INITRAMFS_CHECK
Option 2: define ima_hooks as extension of kernel_read_file
eg: enum ima_hooks {
FILE_CHECK = READING_MAX_ID,
MMAP_CHECK,
In order to pass both kernel_read_file_id and ima_hooks values, we
would need to specify a struct containing a union.
struct caller_id {
union {
enum ima_hooks func_id;
enum kernel_read_file_id read_id;
};
};
Option 3: incorportate the ima_hooks enumeration into kernel_read_file_id,
perhaps changing the enumeration name.
For now, duplicate the new READING_KEXEC_IMAGE/INITRAMFS in the ima_hooks.
Changelog v4:
- replaced switch statement with a kernel_read_file_id to an ima_hooks
id mapping array - Dmitry
- renamed ima_hook tokens KEXEC_CHECK and INITRAMFS_CHECK to
KEXEC_KERNEL_CHECK and KEXEC_INITRAMFS_CHECK respectively - Dave Young
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Acked-by: Petko Manolov <petkan@mip-labs.com>
Acked-by: Dmitry Kasatkin <dmitry.kasatkin@huawei.com>
Cc: Dave Young <dyoung@redhat.com>
This driver allows an I2C bus to switch between multiple masters. This
is not hot-switching because connected I2C slaves will be
re-instantiated. It is meant to select the best I2C core at runtime once
the task is known. Example: Prefer i2c-gpio over another I2C core
because of HW errata affecting your use case.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Each fw_cfg entry of type "file" has an associated 56-char,
nul-terminated ASCII string which represents its name. While
the fw_cfg device doesn't itself impose any specific naming
convention, QEMU developers have traditionally used path name
semantics (i.e. "etc/acpi/rsdp") to descriptively name the
various fw_cfg "blobs" passed into the guest.
This patch attempts, on a best effort basis, to create a
directory hierarchy representing the content of fw_cfg file
names, under /sys/firmware/qemu_fw_cfg/by_name.
Upon successful creation of all directories representing the
"dirname" portion of a fw_cfg file, a symlink will be created
to represent the "basename", pointing at the appropriate
/sys/firmware/qemu_fw_cfg/by_key entry. If a file name is not
suitable for this procedure (e.g., if its basename or dirname
components collide with an already existing dirname component
or basename, respectively) the corresponding fw_cfg blob is
skipped and will remain available in sysfs only by its selector
key value.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make fw_cfg entries of type "file" available via sysfs. Entries
are listed under /sys/firmware/qemu_fw_cfg/by_key, in folders
named after each entry's selector key. Filename, selector value,
and size read-only attributes are included for each entry. Also,
a "raw" attribute allows retrieval of the full binary content of
each entry.
The fw_cfg device can be instantiated automatically from ACPI or
the Device Tree, or manually by using a kernel module (or command
line) parameter, with a syntax outlined in the documentation file.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This marks the (optional) sysfs GPIO ABI as obsolete and schedules
it for removal in 2020.
Cc: Johan Hovold <johan@kernel.org>
Cc: Michael Welling <mwelling@ieee.org>
Cc: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Put in some documentation for the new character device ABI
so we can properly etch it in stone.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Linear Technology LTC2606, LTC2607, LTC2609, LTC2616, LTC2617,
LTC2619, LTC2626, LTC2627 and LTC2629 devices are very similar
to the AD5064 device.
This patch adds support for those devices.
Datasheet for LTC devices:
LTC2606, LTC2616, LTC2626: http://www.linear.com/docs/6398
LTC2607, LTC2617, LTC2627: http://www.linear.com/docs/8977
LTC2709, LTC2619, LTC2629: http://www.linear.com/docs/8477
Signed-off-by: Marc Andre <marc.andre@netline.ch>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Add driver for the TI AFE4404 heart rate monitor and pulse oximeter.
This device detects reflected LED light fluctuations and presents an ADC
value to the user space for further signal processing.
Datasheet: http://www.ti.com/product/AFE4404/datasheet
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Device Support
* ad5761
- new driver
* at91_sama5d2 ADC.
- new driver and MAINTAINERS entry.
- minor cleanups followed.
* atlas pH-SM
- new driver (this has possibly the prettiest data sheet I've ever seen)
* mcp3422
- mcp3425 ADC added.
* mcp4725
- mcp4726 DAC added.
* mma8452
- mma8451q accelerometer added.
* mpl115
- mpl115a1 added (a lot bigger than it seems as this is an SPI part whereas
previous parts were i2c).
* si7005
- Hoperf th02 (seems to be a repackaged part)
* si7020
- Hoperf th06 (seems to be a repackaged part)
New features
* Core
- IIO_PH type. Does what it says on the tin.
* max30100
- LED current configuration support.
* mcp320x
- more differential measurement combinations.
* mma8452
- free fall deteciton
- opt3001
- enable operation without a IRQ line.
- device tree docs. Somehow the original docs have disappeared down
a rabbit hole, so here is a new set.
* st-sensors
- Support active-low interrupts.
Cleanups and minor / not so minor reworks
* Documentation
- drop some defunct ABI from the docs in staging.
* presure / Kconfig
- white space cleanup.
* ad7150
- BIT macro usage
- Alignment fixes
* ad7192
- false indent fixed.
* ak8975
- constify the ak_def structures
* axp288
- drop a redundant double const.
* dht11
- substantial reliability improvements by being more tolerant
of missing start bits.
- simplify the decoding algorithm
* mma8452
- whitespace cleanup
* mpl115
- don't bother setting i2c_client_data as nothing uses it.
* mpu6050
- drop unused function parameter.
* opt3001
- extract integration time as constants.
- trivial refactoring.
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Merge tag 'iio-for-4.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First round of new IIO device support, features and cleanups for the 4.6 cycle.
Device Support
* ad5761
- new driver
* at91_sama5d2 ADC.
- new driver and MAINTAINERS entry.
- minor cleanups followed.
* atlas pH-SM
- new driver (this has possibly the prettiest data sheet I've ever seen)
* mcp3422
- mcp3425 ADC added.
* mcp4725
- mcp4726 DAC added.
* mma8452
- mma8451q accelerometer added.
* mpl115
- mpl115a1 added (a lot bigger than it seems as this is an SPI part whereas
previous parts were i2c).
* si7005
- Hoperf th02 (seems to be a repackaged part)
* si7020
- Hoperf th06 (seems to be a repackaged part)
New features
* Core
- IIO_PH type. Does what it says on the tin.
* max30100
- LED current configuration support.
* mcp320x
- more differential measurement combinations.
* mma8452
- free fall deteciton
- opt3001
- enable operation without a IRQ line.
- device tree docs. Somehow the original docs have disappeared down
a rabbit hole, so here is a new set.
* st-sensors
- Support active-low interrupts.
Cleanups and minor / not so minor reworks
* Documentation
- drop some defunct ABI from the docs in staging.
* presure / Kconfig
- white space cleanup.
* ad7150
- BIT macro usage
- Alignment fixes
* ad7192
- false indent fixed.
* ak8975
- constify the ak_def structures
* axp288
- drop a redundant double const.
* dht11
- substantial reliability improvements by being more tolerant
of missing start bits.
- simplify the decoding algorithm
* mma8452
- whitespace cleanup
* mpl115
- don't bother setting i2c_client_data as nothing uses it.
* mpu6050
- drop unused function parameter.
* opt3001
- extract integration time as constants.
- trivial refactoring.
- Remove usage of ib_query_device and instead store attributes in
ib_device struct
- Move iopoll out of block and into lib, rename to irqpoll, and use
in several places in the rdma stack as our new completion queue
polling library mechanism. Update the other block drivers that
already used iopoll to use the new mechanism too.
- Replace the per-entry GID table locks with a single GID table lock
- IPoIB multicast cleanup
- Cleanups to the IB MR facility
- Add support for 64bit extended IB counters
- Fix for netlink oops while parsing RDMA nl messages
- RoCEv2 support for the core IB code
- mlx4 RoCEv2 support
- mlx5 RoCEv2 support
- Cross Channel support for mlx5
- Timestamp support for mlx5
- Atomic support for mlx5
- Raw QP support for mlx5
- MAINTAINERS update for mlx4/mlx5
- Misc ocrdma, qib, nes, usNIC, cxgb3, cxgb4, mlx4, mlx5 updates
- Add support for remote invalidate to the iSER driver (pushed through the
RDMA tree due to dependencies, acknowledged by nab)
- Update to NFSoRDMA (pushed through the RDMA tree due to dependencies,
acknowledged by Bruce)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma updates from Doug Ledford:
"Initial roundup of 4.5 merge window patches
- Remove usage of ib_query_device and instead store attributes in
ib_device struct
- Move iopoll out of block and into lib, rename to irqpoll, and use
in several places in the rdma stack as our new completion queue
polling library mechanism. Update the other block drivers that
already used iopoll to use the new mechanism too.
- Replace the per-entry GID table locks with a single GID table lock
- IPoIB multicast cleanup
- Cleanups to the IB MR facility
- Add support for 64bit extended IB counters
- Fix for netlink oops while parsing RDMA nl messages
- RoCEv2 support for the core IB code
- mlx4 RoCEv2 support
- mlx5 RoCEv2 support
- Cross Channel support for mlx5
- Timestamp support for mlx5
- Atomic support for mlx5
- Raw QP support for mlx5
- MAINTAINERS update for mlx4/mlx5
- Misc ocrdma, qib, nes, usNIC, cxgb3, cxgb4, mlx4, mlx5 updates
- Add support for remote invalidate to the iSER driver (pushed
through the RDMA tree due to dependencies, acknowledged by nab)
- Update to NFSoRDMA (pushed through the RDMA tree due to
dependencies, acknowledged by Bruce)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (169 commits)
IB/mlx5: Unify CQ create flags check
IB/mlx5: Expose Raw Packet QP to user space consumers
{IB, net}/mlx5: Move the modify QP operation table to mlx5_ib
IB/mlx5: Support setting Ethernet priority for Raw Packet QPs
IB/mlx5: Add Raw Packet QP query functionality
IB/mlx5: Add create and destroy functionality for Raw Packet QP
IB/mlx5: Refactor mlx5_ib_qp to accommodate other QP types
IB/mlx5: Allocate a Transport Domain for each ucontext
net/mlx5_core: Warn on unsupported events of QP/RQ/SQ
net/mlx5_core: Add RQ and SQ event handling
net/mlx5_core: Export transport objects
IB/mlx5: Expose CQE version to user-space
IB/mlx5: Add CQE version 1 support to user QPs and SRQs
IB/mlx5: Fix data validation in mlx5_ib_alloc_ucontext
IB/sa: Fix netlink local service GFP crash
IB/srpt: Remove redundant wc array
IB/qib: Improve ipoib UD performance
IB/mlx4: Advertise RoCE v2 support
IB/mlx4: Create and use another QP1 for RoCEv2
IB/mlx4: Enable send of RoCE QP1 packets with IP/UDP headers
...
Pull SCSI target updates from Nicholas Bellinger:
"The highlights this round include:
- Introduce configfs support for unlocked configfs_depend_item()
(krzysztof + andrezej)
- Conversion of usb-gadget target driver to new function registration
interface (andrzej + sebastian)
- Enable qla2xxx FC target mode support for Extended Logins (himansu +
giridhar)
- Enable qla2xxx FC target mode support for Exchange Offload (himansu +
giridhar)
- Add qla2xxx FC target mode irq affinity notification + selective
command queuing. (quinn + himanshu)
- Fix iscsi-target deadlock in se_node_acl configfs deletion (sagi +
nab)
- Convert se_node_acl configfs deletion + se_node_acl->queue_depth to
proper se_session->sess_kref + target_get_session() usage. (hch +
sagi + nab)
- Fix long-standing race between se_node_acl->acl_kref get and
get_initiator_node_acl() lookup. (hch + nab)
- Fix target/user block-size handling, and make sure netlink reaches
all network namespaces (sheng + andy)
Note there is an outstanding bug-fix series for remote I_T nexus port
TMR LUN_RESET has been posted and still being tested, and will likely
become post -rc1 material at this point"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (56 commits)
scsi: qla2xxxx: avoid type mismatch in comparison
target/user: Make sure netlink would reach all network namespaces
target: Obtain se_node_acl->acl_kref during get_initiator_node_acl
target: Convert ACL change queue_depth se_session reference usage
iscsi-target: Fix potential dead-lock during node acl delete
ib_srpt: Convert acl lookup to modern get_initiator_node_acl usage
tcm_fc: Convert acl lookup to modern get_initiator_node_acl usage
tcm_fc: Wait for command completion before freeing a session
target: Fix a memory leak in target_dev_lba_map_store()
target: Support aborting tasks with a 64-bit tag
usb/gadget: Remove set-but-not-used variables
target: Remove an unused variable
target: Fix indentation in target_core_configfs.c
target/user: Allow user to set block size before enabling device
iser-target: Fix non negative ERR_PTR isert_device_get usage
target/fcoe: Add tag support to tcm_fc
qla2xxx: Check for online flag instead of active reset when transmitting responses
qla2xxx: Set all queues to 4k
qla2xxx: Disable ZIO at start time.
qla2xxx: Move atioq to a different lock to reduce lock contention
...
Pull watchdog updates from Wim Van Sebroeck:
"This adds following items:
- watchdog restart handler support
- watchdog reboot notifier support
- watchdog sysfs attributes
- support for the following new devices: AMD Mullins platform, AMD
Carrizo platform, meson8b SoC, CSRatlas7, TS-4800, Alphascale
asm9260-wdt, Zodiac, Sigma Designs SMP86xx/SMP87xx
- Changes in refcounting for the watchdog core
- watchdog core improvements
- and small fixes"
* git://www.linux-watchdog.org/linux-watchdog: (60 commits)
watchdog: asm9260: remove __init and __exit annotations
watchdog: Drop pointer to watchdog device from struct watchdog_device
watchdog: ziirave: Use watchdog infrastructure to create sysfs attributes
watchdog: Add support for creating driver specific sysfs attributes
watchdog: kill unref/ref ops
watchdog: stmp3xxx: Remove unused variables
watchdog: add MT7621 watchdog support
hwmon: (sch56xx) Drop watchdog driver data reference count callbacks
watchdog: da9055_wdt: Drop reference counting
watchdog: da9052_wdt: Drop reference counting
watchdog: Separate and maintain variables based on variable lifetime
watchdog: diag288: Stop re-using watchdog core internal flags
watchdog: Create watchdog device in watchdog_dev.c
watchdog: qcom-wdt: Do not set 'dev' in struct watchdog_device
watchdog: mena21: Do not use device pointer from struct watchdog_device
watchdog: gpio: Do not use device pointer from struct watchdog_device
watchdog: tangox: Print info message using pointer to platform device
watchdog: bcm2835_wdt: Drop log message if watchdog is stopped
devicetree: watchdog: add binding for Sigma Designs SMP8642 watchdog
watchdog: add support for Sigma Designs SMP86xx/SMP87xx
...
Pull trivial tree updates from Jiri Kosina.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
floppy: make local variable non-static
exynos: fixes an incorrect header guard
dt-bindings: fixes some incorrect header guards
cpufreq-dt: correct dead link in documentation
cpufreq: ARM big LITTLE: correct dead link in documentation
treewide: Fix typos in printk
Documentation: filesystem: Fix typo in fs/eventfd.c
fs/super.c: use && instead of & for warn_on condition
Documentation: fix sysfs-ptp
lib: scatterlist: fix Kconfig description
Pull livepatching updates from Jiri Kosina:
- RO/NX attribute fixes for patch module relocations from Josh
Poimboeuf. As part of this effort, module.c has been cleaned up as
well and livepatching is piggy-backing on this cleanup. Rusty is OK
with this whole lot going through livepatching tree.
- symbol disambiguation support from Chris J Arges. That series is
also
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
but this came in only after I've alredy pushed out. Didn't want to
rebase because of that, hence I am mentioning it here.
- symbol lookup fix from Miroslav Benes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: Cleanup module page permission changes
module: keep percpu symbols in module's symtab
module: clean up RO/NX handling.
module: use a structure to encapsulate layout.
gcov: use within_module() helper.
module: Use the same logic for setting and unsetting RO/NX
livepatch: function,sympos scheme in livepatch sysfs directory
livepatch: add sympos as disambiguator field to klp_reloc
livepatch: add old_sympos as disambiguator field to klp_func
Pull f2fs updates from Jaegeuk Kim:
"This series adds two ioctls to control cached data and fragmented
files. Most of the rest fixes missing error cases and bugs that we
have not covered so far. Summary:
Enhancements:
- support an ioctl to execute online file defragmentation
- support an ioctl to flush cached data
- speed up shrinking of extent_cache entries
- handle broken superblock
- refector dirty inode management infra
- revisit f2fs_map_blocks to handle more cases
- reduce global lock coverage
- add detecting user's idle time
Major bug fixes:
- fix data race condition on cached nat entries
- fix error cases of volatile and atomic writes"
* tag 'for-f2fs-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (87 commits)
f2fs: should unset atomic flag after successful commit
f2fs: fix wrong memory condition check
f2fs: monitor the number of background checkpoint
f2fs: detect idle time depending on user behavior
f2fs: introduce time and interval facility
f2fs: skip releasing nodes in chindless extent tree
f2fs: use atomic type for node count in extent tree
f2fs: recognize encrypted data in f2fs_fiemap
f2fs: clean up f2fs_balance_fs
f2fs: remove redundant calls
f2fs: avoid unnecessary f2fs_balance_fs calls
f2fs: check the page status filled from disk
f2fs: introduce __get_node_page to reuse common code
f2fs: check node id earily when readaheading node page
f2fs: read isize while holding i_mutex in fiemap
Revert "f2fs: check the node block address of newly allocated nid"
f2fs: cover more area with nat_tree_lock
f2fs: introduce max_file_blocks in sbi
f2fs crypto: check CONFIG_F2FS_FS_XATTR for encrypted symlink
f2fs: introduce zombie list for fast shrinking extent trees
...
Here is the big staging driver pull request for 4.5-rc1. Lots of
cleanups and fixes here, not as many as some releases, but 800+ isn't
that bad. Full details in the shortlog. All of these have been in
linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big staging driver pull request for 4.5-rc1.
Lots of cleanups and fixes here, not as many as some releases, but
800+ isn't that bad. Full details in the shortlog. All of these have
been in linux-next for a while"
* tag 'staging-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (843 commits)
Revert "arm64: dts: Add dts files to enable ION on Hi6220 SoC."
staging: gdm724x: constify tty_port_operations structs
staging: gdm72xx: add userspace data struct
staging: gdm72xx: Replace timeval with ktime_t
iio: adc: ina2xx: Fix incorrect report of data endianness to userspace.
iio: light: us5182d: Refactor read_raw function
iio: light: us5182d: Add interrupt support and events
iio: light: us5182d: Fix enable status inconcistency
iio: Make IIO value formating function globally available.
staging: emxx_udc: use list_first_entry_or_null()
staging/emxx_udc: fix 64-bit warnings
STAGING: COMEDI: Using kernel types in plx9080.h
STAGING: COMEDI: Added spaces around binary operators in plx9080.h
STAGING: COMEDI: Fixed format of comments in plx9080.h
staging: comedi: comedilib.h: Coding style warning fix for block comments
staging: comedi: s526: add macros for counter control reg values
staging: comedi: s526: replace counter mode bitfield struct
staging: comedi: check for more errors for zero-length write
staging: comedi: simplify returned errors for comedi_write()
staging: comedi: return error on "write" if no command set up
...
Here is the big USB drivers update for 4.5-rc1. Lots of gadget driver
updates and fixes, like usual, and a mix of other USB driver updates as
well. Full details in the shortlog. All of these have been in
linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here is the big USB drivers update for 4.5-rc1.
Lots of gadget driver updates and fixes, like usual, and a mix of
other USB driver updates as well. Full details in the shortlog. All
of these have been in linux-next for a while"
* tag 'usb-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (191 commits)
MAINTAINERS: change my email address
USB: usbmon: remove assignment from IS_ERR argument
USB: mxu11x0: drop redundant function name from error messages
USB: mxu11x0: fix debug-message typos
USB: mxu11x0: rename usb-serial driver
USB: mxu11x0: fix modem-control handling on B0-transitions
USB: mxu11x0: fix memory leak on firmware download
USB: mxu11x0: fix memory leak in port-probe error path
USB: serial: add Moxa UPORT 11x0 driver
USB: cp210x: add ID for ELV Marble Sound Board 1
usb: chipidea: otg: use usb autosuspend to suspend bus for HNP
usb: chipidea: host: set host to be null after hcd is freed
usb: chipidea: removing of_find_property
usb: chipidea: implement platform shutdown callback
usb: chipidea: clean up CONFIG_USB_CHIPIDEA_DEBUG reference
usb: chipidea: delete static debug support
usb: chipidea: support debugfs without CONFIG_USB_CHIPIDEA_DEBUG
usb: chipidea: udc: improve error handling on _hardware_enqueue
usb: chipidea: udc: _ep_queue and _hw_queue cleanup
usb: dwc3: of-simple: fix build warning on !PM
...
This patch adds last time that user requested filesystem operations.
This information is used to detect whether system is idle or not later.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
MCP4726 is a single channel 12-bit DAC. We can support MCP4726 with
a little changes to mcp4725 driver. In power-down mode, they have
different selection of VOUT pull-down registers.
MCP4726 also has features:
- Output gain options: 1x, 2x
- Voltage reference selection: VDD, VREF (Unbuffered or Buffered)
But these are not supported in this change. (1x gain, VDD is selected)
datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/22272C.pdf
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: linux-iio@vger.kernel.org
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch adds following attributes to watchdog device's sysfs interface
to read its different status.
* state - reads whether device is active or not
* identity - reads Watchdog device's identity string.
* timeout - reads current timeout.
* timeleft - reads timeleft before watchdog generates a reset
* bootstatus - reads status of the watchdog device at boot
* status - reads watchdog device's internal status bits
* nowayout - reads whether nowayout feature was set or not
Testing with iTCO_wdt:
# cd /sys/class/watchdog/watchdog1/
# ls
bootstatus dev device identity nowayout power state
subsystem timeleft timeout uevent
# cat identity
iTCO_wdt
# cat timeout
30
# cat state
inactive
# echo > /dev/watchdog1
# cat timeleft
26
# cat state
active
# cat bootstatus
0
# cat nowayout
0
Signed-off-by: Pratyush Anand <panand@redhat.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
A ton of improvements to dwc2 have been made. The
driver should be a lot more stable on v4.5 then ever
before.
Our good old dwc3 got a few cleanups and misc fixes
and also added support to Xilinx's integration of
this IP.
Yoshihiro Shimoda gives us support for a new USB3
peripheral controller from Renesas.
Other than these, the usual misc fixes all over the
place.
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Merge tag 'usb-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v4.5
A ton of improvements to dwc2 have been made. The
driver should be a lot more stable on v4.5 then ever
before.
Our good old dwc3 got a few cleanups and misc fixes
and also added support to Xilinx's integration of
this IP.
Yoshihiro Shimoda gives us support for a new USB3
peripheral controller from Renesas.
Other than these, the usual misc fixes all over the
place.
Users would like to control the behaviour of rdma_cm.
For example, old applications which don't set the
required RoCE gid type could be executed on RoCE V2
network types. In order to support this configuration,
we implement a configfs for rdma_cm.
In order to use the configfs, one needs to mount it and
mkdir <IB device name> inside rdma_cm directory.
The patch adds support for a single configuration file,
default_roce_mode. The mode can either be "IB/RoCE v1" or
"RoCE v2".
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This patch set adds attributes of net device and gid type to each GID
in the GID table. Users that use verbs directly need to specify
the GID index. Since the same GID could have different types or
associated net devices, users should have the ability to query the
associated GID attributes. Adding these attributes to sysfs.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Allow using the tcm function as a component of a gadget composed with
ConfigFS.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Documentation for attributes:
* in_allow_async_readout
* in_shunt_resistor
Signed-off-by: Marc Titinger <mtitinger@baylibre.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
s/avaiable/available/g
This fixup is already in scripts/spelling.txt.
The fix in Documentation/ABI/testing/sysfs-ptp affects documentation of
a /sys entry: the /sys entry itself is correct.
Signed-off-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Adding a writable sysfs attribute for the "NDP to end"
quirk flag.
This makes it easier for end users to test new devices for
this firmware bug. We've been lucky so far, but we should
not depend on reporters capable of rebuilding the driver.
Cc: Enrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
The following directory structure will allow for cases when the same
function name exists in a single object.
/sys/kernel/livepatch/<patch>/<object>/<function,sympos>
The sympos number corresponds to the nth occurrence of the symbol name in
kallsyms for the patched object.
An example of patching multiple symbols can be found here:
https://github.com/dynup/kpatch/issues/493
Signed-off-by: Chris J Arges <chris.j.arges@canonical.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
USB3 LPM is default on in Linux kernel if both xHCI host controller
and the USB devices declare to be LPM-capable. Unfortunately, some
devices are known to work well with LPM disabled, but to be broken
if LPM is enabled, although it declares the LPM capability. Users
won't be able to use this kind of devices, until someone puts them
in the kernel blacklist and gets the kernel upgraded.
This patch adds a sysfs node to permit or forbit USB3 LPM U1 or U2
entry for a port. The settings apply to both before and after device
enumeration. Supported values are "0" - neither u1 nor u2 permitted,
"u1" - only u1 is permitted, "u2" - only u2 is permitted, "u1_u2" -
both u1 and u2 are permitted. With this interface, users can use an
LPM-unfriendly USB device on a released Linux kernel.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Zhuang Jin Can <jin.can.zhuang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 655fe4effe ("usbcore: add sysfs support to xHCI usb3
hardware LPM") introduced usb3_hardware_lpm sysfs node. This
doesn't show the correct status of USB3 U1 and U2 LPM status.
This patch fixes this by replacing usb3_hardware_lpm with two
nodes, usb3_hardware_lpm_u1 (for U1) and usb3_hardware_lpm_u2
(for U2), and recording the U1/U2 LPM status in right places.
This patch should be back-ported to kernels as old as 4.3,
that contains Commit 655fe4effe ("usbcore: add sysfs support
to xHCI usb3 hardware LPM").
Cc: stable@vger.kernel.org
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sorry for the delay in this patch which was mostly caused by getting the
merger of the mpt2/mpt3sas driver, which was seen as an essential item of
maintenance work to do before the drivers diverge too much. Unfortunately,
this caused a compile failure (detected by linux-next), which then had to be
fixed up and incubated. In addition to the mpt2/3sas rework, there are
updates from pm80xx, lpfc, bnx2fc, hpsa, ipr, aacraid, megaraid_sas, storvsc
and ufs plus an assortment of changes including some year 2038 issues, a fix
for a remove before detach issue in some drivers and a couple of other minor
issues.
Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull final round of SCSI updates from James Bottomley:
"Sorry for the delay in this patch which was mostly caused by getting
the merger of the mpt2/mpt3sas driver, which was seen as an essential
item of maintenance work to do before the drivers diverge too much.
Unfortunately, this caused a compile failure (detected by linux-next),
which then had to be fixed up and incubated.
In addition to the mpt2/3sas rework, there are updates from pm80xx,
lpfc, bnx2fc, hpsa, ipr, aacraid, megaraid_sas, storvsc and ufs plus
an assortment of changes including some year 2038 issues, a fix for a
remove before detach issue in some drivers and a couple of other minor
issues"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (141 commits)
mpt3sas: fix inline markers on non inline function declarations
sd: Clear PS bit before Mode Select.
ibmvscsi: set max_lun to 32
ibmvscsi: display default value for max_id, max_lun and max_channel.
mptfusion: don't allow negative bytes in kbuf_alloc_2_sgl()
scsi: pmcraid: replace struct timeval with ktime_get_real_seconds()
mvumi: 64bit value for seconds_since1970
be2iscsi: Fix bogus WARN_ON length check
scsi_scan: don't dump trace when scsi_prep_async_scan() is called twice
mpt3sas: Bump mpt3sas driver version to 09.102.00.00
mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs
mpt2sas, mpt3sas: Update the driver versions
mpt3sas: setpci reset kernel oops fix
mpt3sas: Added OEM Gen2 PnP ID branding names
mpt3sas: Refcount fw_events and fix unsafe list usage
mpt3sas: Refcount sas_device objects and fix unsafe list usage
mpt3sas: sysfs attribute to report Backup Rail Monitor Status
mpt3sas: Ported WarpDrive product SSS6200 support
mpt3sas: fix for driver fails EEH, recovery from injected pci bus error
mpt3sas: Manage MSI-X vectors according to HBA device type
...
Change st driver to allow enabling or disabling debug output
via sysfs file /sys/bus/scsi/drivers/st/debug_flag.
Previously the only way to enable debug output was:
1. loading the driver with the module parameter debug_flag=1
2. an ioctl call (this method was also the only way to dynamically
disable debug output).
To use the ioctl you need a second tape drive (if you are
actively testing the first tape drive) since a second process
cannot open the first tape drive if it is in use.
The this change is only functional if the value of the macro
DEBUG in st.c is a non-zero value (which it is by default).
Signed-off-by: Shane Seymour <shane.seymour@hpe.com>
Reviewed-by: Laurence Oberman <oberman.l@gmail.com>
Acked-by: Kai Mäkisara <kai.makisara@kolumbus.fi>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Pull HID updates from Jiri Kosina:
"Highlights:
- Intel Skylake Win8 precision touchpads support fixes/improvements
from Mika Westerberg
- Lenovo Yoga 2 quirk from Ritesh Raj Sarraf
- potential uninitialized buffer access fix in HID core from Richard
Purdie
- Wacom Intuos and Wacom Cintiq 2 support improvements from Jason
Gerecke and Ping Cheng
- initiation of sysfs deprecation process for most of the roccat
drivers, from the roccat support maintiner Stefan Achatz
- quite a few device ID / quirk additions and small fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (30 commits)
HID: logitech: Add support for G29
HID: logitech: Simplify wheel detection scheme
HID: wacom: Call 'wacom_query_tablet_data' only after 'hid_hw_start'
HID: wacom: Fix ABS_MISC reporting for Cintiq Companion 2
HID: wacom: Remove useless conditions from 'wacom_query_tablet_data'
HID: wacom: fix Intuos wireless report id issue
HID: fix some indenting issues
HID: wacom: Expect 'touch_max' touches if HID_DG_CONTACTCOUNT not present
HID: wacom: Tie cached HID_DG_CONTACTCOUNT indices to report ID
HID: roccat: Fixed resubmit: Deprecating most Roccat sysfs attributes
HID: wacom: Report full pressure range for Intuos, Cintiq 13HD Touch
HID: wacom: Add support for Cintiq Companion 2
HID: multitouch: Fetch feature reports on demand for Win8 devices
HID: sensor-hub: Add quirk for Lenovo Yoga 2 with ITE Chips
HID: usbhid: Fix for the WiiU adapter from Mayflash
HID: corsair: boolify struct k90_led.removed
HID: corsair: Add Corsair Vengeance K90 driver
HID: hid-input: allow input_configured callback return errors
HID: multitouch: Add suffix for HID_DG_TOUCHPAD
HID: i2c-hid: Fill in physical device providing HID functionality
...
Pull security subsystem update from James Morris:
"This is mostly maintenance updates across the subsystem, with a
notable update for TPM 2.0, and addition of Jarkko Sakkinen as a
maintainer of that"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (40 commits)
apparmor: clarify CRYPTO dependency
selinux: Use a kmem_cache for allocation struct file_security_struct
selinux: ioctl_has_perm should be static
selinux: use sprintf return value
selinux: use kstrdup() in security_get_bools()
selinux: use kmemdup in security_sid_to_context_core()
selinux: remove pointless cast in selinux_inode_setsecurity()
selinux: introduce security_context_str_to_sid
selinux: do not check open perm on ftruncate call
selinux: change CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE default
KEYS: Merge the type-specific data with the payload data
KEYS: Provide a script to extract a module signature
KEYS: Provide a script to extract the sys cert list from a vmlinux file
keys: Be more consistent in selection of union members used
certs: add .gitignore to stop git nagging about x509_certificate_list
KEYS: use kvfree() in add_key
Smack: limited capability for changing process label
TPM: remove unnecessary little endian conversion
vTPM: support little endian guests
char: Drop owner assignment from i2c_driver
...
Pull f2fs updates from Jaegeuk Kim:
"Most part of the patches include enhancing the stability and
performance of in-memory extent caches feature.
In addition, it introduces several new features and configurable
points:
- F2FS_GOING_DOWN_METAFLUSH ioctl to test power failures
- F2FS_IOC_WRITE_CHECKPOINT ioctl to trigger checkpoint by users
- background_gc=sync mount option to do gc synchronously
- periodic checkpoints
- sysfs entry to control readahead blocks for free nids
And the following bug fixes have been merged.
- fix SSA corruption by collapse/insert_range
- correct a couple of gc behaviors
- fix the results of f2fs_map_blocks
- fix error case handling of volatile/atomic writes"
* tag 'for-f2fs-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (54 commits)
f2fs: fix to skip shrinking extent nodes
f2fs: fix error path of ->symlink
f2fs: fix to clear GCed flag for atomic written page
f2fs: don't need to submit bio on error case
f2fs: fix leakage of inmemory atomic pages
f2fs: refactor __find_rev_next_{zero}_bit
f2fs: support fiemap for inline_data
f2fs: flush dirty data for bmap
f2fs: relocate the tracepoint for background_gc
f2fs crypto: fix racing of accessing encrypted page among
f2fs: export ra_nid_pages to sysfs
f2fs: readahead for free nids building
f2fs: support lower priority asynchronous readahead in ra_meta_pages
f2fs: don't tag REQ_META for temporary non-meta pages
f2fs: add a tracepoint for f2fs_read_data_pages
f2fs: set GFP_NOFS for grab_cache_page
f2fs: fix SSA updates resulting in corruption
Revert "f2fs: do not skip dentry block writes"
f2fs: add F2FS_GOING_DOWN_METAFLUSH to test power-failure
f2fs: merge meta writes as many possible
...
Here is the big char/misc driver update for 4.4-rc1. Lots of different
driver and subsystem updates, hwtracing being the largest with the
addition of some new platforms that are now supported. Full details in
the shortlog.
All of these have been in linux-next for a long time with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.4-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 char/misc driver update for 4.4-rc1. Lots of
different driver and subsystem updates, hwtracing being the largest
with the addition of some new platforms that are now supported. Full
details in the shortlog.
All of these have been in linux-next for a long time with no reported
issues"
* tag 'char-misc-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (181 commits)
fpga: socfpga: Fix check of return value of devm_request_irq
lkdtm: fix ACCESS_USERSPACE test
mcb: Destroy IDA on module unload
mcb: Do not return zero on error path in mcb_pci_probe()
mei: bus: set the device name before running fixup
mei: bus: use correct lock ordering
mei: Fix debugfs filename in error output
char: ipmi: ipmi_ssif: Replace timeval with timespec64
fpga: zynq-fpga: Fix issue with drvdata being overwritten.
fpga manager: remove unnecessary null pointer checks
fpga manager: ensure lifetime with of_fpga_mgr_get
fpga: zynq-fpga: Change fw format to handle bin instead of bit.
fpga: zynq-fpga: Fix unbalanced clock handling
misc: sram: partition base address belongs to __iomem space
coresight: etm3x: adding documentation for sysFS's cpu interface
vme: 8-bit status/id takes 256 values, not 255
fpga manager: Adding FPGA Manager support for Xilinx Zynq 7000
ARM: zynq: dt: Updated devicetree for Zynq 7000 platform.
ARM: dt: fpga: Added binding docs for Xilinx Zynq FPGA manager.
ver_linux: proc/modules, limit text processing to 'sed'
...
Here's the big staging driver update for 4.4-rc1. If you were
disappointed for 4.3-rc1 that we didn't contribute enough changesets,
you should be happy with this pull request of over 2400 patches.
But overall we removed more lines of code than we added, which is nice
to see. Full details in the shortlog.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here's the big staging driver update for 4.4-rc1. If you were
disappointed for 4.3-rc1 that we didn't contribute enough changesets,
you should be happy with this pull request of over 2400 patches.
But overall we removed more lines of code than we added, which is nice
to see. Full details in the shortlog.
All of these have been in linux-next for a while"
Greg, I've never been disappointed in how few commits Staging
contributes to the kernel.. Never.
* tag 'staging-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (2431 commits)
Staging: rtl8192u: ieee80211: added missing blank lines
Staging: rtl8192u: ieee80211: removed unnecessary braces
Staging: rtl8192u: ieee80211: corrected block comments
Staging: rtl8192u: ieee80211: corrected indent
Staging: rtl8192u: ieee80211: added missing spaces after if
Staging: rtl8192u: ieee80211: added missing space around '='
Staging: rtl8192u: ieee80211: fixed position of else statements
Staging: rtl8192u: ieee80211: fixed open brace positions
staging: rdma: ipath: Remove unneeded vairable.
staging: rtl8188eu: pwrGrpCnt variable removed in store_pwrindex_offset function
staging: rtl8188eu: new variable for hal_data->MCSTxPowerLevelOriginalOffset[pwrGrpCnt] in store_pwrindex_offset function
staging: rtl8188eu: checkpatch fixes: 'Avoid CamelCase' in hal/bb_cfg.c
staging: rtl8188eu: checkpatch fixes: line over 80 characters splited into two parts
staging: rtl8188eu: checkpatch fixes: alignment should match open parenthesis
staging: rtl8188eu: checkpatch fixes: unnecessary parentheses removed in hal/bb_cfg.c
staging: rtl8188eu: checkpatch fixes: spaces preferred around that '|' in hal/bb_cfg.c
staging: rtl8188eu: operator = replaced by += in loop increment
staging: rtl8188eu: occurrence of the 5 GHz code marked
staging: rtl8188eu: increment placed into for loop header
staging: rtl8188eu: while loop replaced by for loop in rtw_restruct_wmm_ie
...
Here is the big USB patchset for 4.4-rc1.
As usual, most of the changes are in the gadget subsystem, and we
removed a host controller for a device that is no longer in existance,
and probably never was even made public. There is also other minor
driver updates and new device ids, full details in the changelog.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here is the big USB patchset for 4.4-rc1.
As usual, most of the changes are in the gadget subsystem, and we
removed a host controller for a device that is no longer in existance,
and probably never was even made public. There is also other minor
driver updates and new device ids, full details in the changelog.
All of these have been in linux-next for a while"
* tag 'usb-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (233 commits)
USB: core: Codestyle fix in urb.c
usb: misc: usb3503: Use i2c_add_driver helper macro
usb: host: lpc32xx: don't unregister phy device
usb: host: lpc32xx: balance clk enable/disable on removal
usb: host: lpc32xx: fix warnings caused by enabling unprepared clock
uwb: drp: Use setup_timer
uwb: neh: Use setup_timer
uwb: rsv: Use setup_timer
USB: qcserial: add Sierra Wireless MC74xx/EM74xx
usb: chipidea: otg: don't wait vbus drops below BSV when starts host
chipidea: ci_hdrc_pci: use PCI_VDEVICE() instead of PCI_DEVICE()
doc: dt-binding: ci-hdrc-usb2: split vendor specific properties
usb: chipidea: imx: add imx6ul usb support
doc: dt-binding: ci-hdrc-usb2: improve property description
usb: chipidea: imx: add usb support for imx7d
Doc: usb: ci-hdrc-usb2: Add phy-clkgate-delay-us entry
usb: chipidea: Add support for 'phy-clkgate-delay-us' property
usb: chipidea: Use extcon framework for VBUS and ID detect
usb: gadget: net2280: restore ep_cfg after defect7374 workaround
usb: dwc2: host: Fix use after free w/ simultaneous irqs
...
Pull block integrity updates from Jens Axboe:
""This is the joint work of Dan and Martin, cleaning up and improving
the support for block data integrity"
* 'for-4.4/integrity' of git://git.kernel.dk/linux-block:
block, libnvdimm, nvme: provide a built-in blk_integrity nop profile
block: blk_flush_integrity() for bio-based drivers
block: move blk_integrity to request_queue
block: generic request_queue reference counting
nvme: suspend i/o during runtime blk_integrity_unregister
md: suspend i/o during runtime blk_integrity_unregister
md, dm, scsi, nvme, libnvdimm: drop blk_integrity_unregister() at shutdown
block: Inline blk_integrity in struct gendisk
block: Export integrity data interval size in sysfs
block: Reduce the size of struct blk_integrity
block: Consolidate static integrity profile properties
block: Move integrity kobject to struct gendisk
The size of the data interval was not exported in the sysfs integrity
directory. Export it so that userland apps can tell whether the interval
is different from the device's logical block size.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Deprecates all Roccat sysfs attributes except the ones for the old Kone by
moving abi descriptions from testing to obsolete. For most devices everything
can be done using the hidraw ioctls HIDIOCGFEATURE and HIDIOCSFEATURE, so I
would suggest future removal of device specific drivers. The userspace tools
don't use these attributes for a year now. The first Kone is not fully
HID-compliant and will still need a module.
Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Updated Documentation/ABI/testing/sysfs-driver-ppi in order to explain
where PPI attributes are located and how backwards compatibility is
addressed.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Supplementing ABI documentation with a description of the newly
added interface.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
After finishing building free nid cache, we will try to readahead
asynchronously 4 more pages for the next reloading, the count of
readahead nid pages is fixed.
In some case, like SMR drive, read less sectors with fixed count
each time we trigger RA may be low efficient, since we will face
high seeking overhead, so we'd better let user to configure this
parameter from sysfs in specific workload.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Support for MS8607 temperature, pressure & humidity sensor.
This part is using functions from MS5637 for temperature and pressure
and HTU21 for humidity
Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Support for HTU21 temperature & humidity sensor
Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Support for TSYS02D temperature sensor
Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch introduces a periodic checkpoint feature.
Note that, this is not enforcing to conduct checkpoints very strictly in terms
of trigger timing, instead just hope to help user experiences.
The default value is 60 seconds.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Add documentation under drivers/staging for new fpga manager's
sysfs interface.
Signed-off-by: Alan Tull <atull@opensource.altera.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
SysFS rules stipulate that only one value can be conveyed per
file. As such splitting the "status" interface in individual files.
This is also useful for user space applications - that way they can
probe each file individually rather than having to parse a list of entries.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Parallel Trace Interface (PTI) unit is a trace output device that sends
data over a PTI port.
The driver provides interfaces to configure bus width, bus clock divider
and mode. Tracing is enabled via output device's "active" attribute.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Memory Storage Unit (MSU) is a trace output device that collects trace
data to system memory. It consists of 2 independent Memory Storage
Controllers (MSCs).
This driver provides userspace interfaces to configure in-memory tracing
parameters, such as contiguous (high-order allocation) buffer or multiblock
(scatter list) buffer mode, wrapping (data overwrite) and number and sizes
of windows in multiblock mode. Userspace can read the buffers via mmap()ing
or read()ing of the corresponding device node.
Signed-off-by: Laurent Fert <laurent.fert@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Global Trace Hub (GTH) is the central component of Intel TH architecture;
it carries out switching between the trace sources and trace outputs, can
enable/disable tracing, perform STP encoding, internal buffering, control
backpressure from outputs to sources and so on.
This property is also reflected in the software model; GTH (switch) driver
is required for the other subdevices to probe, because it matches trace
output devices against its output ports and configures them accordingly.
It also implements an interface for output ports to request trace enabling
or disabling and a few other useful things.
For userspace, it provides an attribute group "masters", which allows
configuration of per-master trace output destinations for up to master 255
and "256+" meaning "masters 256 and above". It also provides an attribute
group to discover and configure some of the parameters of its output ports,
called "outputs". Via these the user can set up data retention policy for
an individual output port or check if it is in reset state.
Signed-off-by: Laurent Fert <laurent.fert@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Intel(R) Trace Hub (TH) is a set of hardware blocks (subdevices) that
produce, switch and output trace data from multiple hardware and
software sources over several types of trace output ports encoded
in System Trace Protocol (MIPI STPv2) and is intended to perform
full system debugging.
For these subdevices, we create a bus, where they can be discovered
and configured by userspace software.
This patch creates this bus infrastructure, three types of devices
(source, output, switch), resource allocation, some callback mechanisms
to facilitate communication between the subdevices' drivers and some
common sysfs attributes.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A System Trace Module (STM) is a device exporting data in System Trace
Protocol (STP) format as defined by MIPI STP standards. Examples of such
devices are Intel(R) Trace Hub and Coresight STM.
This abstraction provides a unified interface for software trace sources
to send their data over an STM device to a debug host. In order to do
that, such a trace source needs to be assigned a pair of master/channel
identifiers that all the data from this source will be tagged with. The
STP decoder on the debug host side will use these master/channel tags to
distinguish different trace streams from one another inside one STP
stream.
This abstraction provides a configfs-based policy management mechanism
for dynamic allocation of these master/channel pairs based on trace
source-supplied string identifier. It has the flexibility of being
defined at runtime and at the same time (provided that the policy
definition is aligned with the decoding end) consistency.
For userspace trace sources, this abstraction provides write()-based and
mmap()-based (if the underlying stm device allows this) output mechanism.
For kernel-side trace sources, we provide "stm_source" device class that
can be connected to an stm device at run time.
Cc: linux-api@vger.kernel.org
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch updates the MIC host daemon to work with corresponding
changes in COSM. Other MIC daemon fixes, cleanups and enhancements as
are also rolled into this patch. Changes to MIC sysfs ABI which go
into effect with this patch are also documented.
Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch implements a HID driver for the Corsair Vengeance K90 keyboard.
It fixes the behaviour of the keys using incorrect HID usage codes and exposes
the macro playback mode and current profile to the user space through sysfs
attributes. It also adds two LED class devices controlling the "record" LED and
the backlight.
Signed-off-by: Clément Vuchener <clement.vuchener@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
New device support
* APDS9960 ALS + proximity driver
* bmg160 SPI devices.
* HDC100x humidity sensors
* Holt HI-8435 threshold detector
* mma8453Q accelerometer added to the mma8452 driver
* mma86452FC and mma8653FC accelerometers added to the mma8452 driver
* mxc4005 accelerometer
* PulsedLight LIDAR
* SensorTech VZ89x volatile organic compound sensor
* UPISEMI uS5182d ALS and proximity sensors
New core functionality
* triggered events - use triggers to check for changes in threshold type
detectors on devices with out interrupt support. First user is the holt
comparator.
* chemical concentration and resistance channel types.
New driver functionality
* vf610
- buffer support.
- followup coccinelle warning fix.
Core rework
* buffers
- break out callback buffer to own module.
- move buffer implementations to a new subdirectory
* percolate the error code form iio_event_getfd out to userspace
rather than giving a missleading error later on.
Cleanups
* adddac drivers
- use BIT macro where appropriate.
* meter drivers
- use BIT macro where appropriate.
* ad7303
- add an OF match table to line up with the binding docs.
* adc128s052
- add an OF match table to line up with the binding docs.
* adf4350
- add an OF match table to line up with the binding docs
* as3935
- add an OF match table to line up with the binding docs.
* berlin2-adc
- use GENMASK and BIT for masks
- prevent attempting to sample multiple channels at once by moving a
mutex scop
- coding style cleanups
* bmg150_magn
- kconfig sort order was wrong - fix it.
* bmg160
- use i2c regmap and drop all uses of i2c_client
- separate i2c and core driver
* cc10001_adc
- kconfig sort order was wrong - fix it.
* evgen (dummy driver helper module)
- move interrupt generation to irq_work to reduce differences between
the dummy driver and real hardware drivers.
* hmc5843
- set the name dynamically rather than to a fixed value for one of the
suported parts.
- export module alias information to allow autoprobing of module.
* lpc32xx
- on failure to get resource or irq return -ENXIO as uppose to -EBUSY
* max1027
- set .of_match_table to actually allow OF style matching.
* max5821
- add MODULE_DEVICE_TABLE for OF table.
* mma8452
- refactor to separate out chip specific data.
- add freefall / motion interrupt source for devices that do their
interrupts slightly differently.
- update copywrite notice.
- leave naming of events directory in sysfs to the core
* mcp320x
- set .of_match_table so that it can be use for OF style matching.
* mlx90614
- Implement filter configuration (note the datasheet changed as a result
of the driver reviews to include the values we needed ;)
* opt3001
- drop .owner field as assigned by platform driver core.
* si7020
- replace a bitmask on the humidity values with a more correct range
check.
* stk310
- improved error handling.
- use BIT macro where appropriate and use the resulting defines
instead of magic numbers in the code.
- fix indentation
* st-sensors
- add debugfs register read hook
* tsl4531
- fix error handling in check_id
* twl6030
- fix module autoload for OF
* iio-trig-sysfs
- document add and remove attribute
* trigger in staging
- code alignment fixes.
- braces on both branches of if statement if needed for one.
* xilinx-xadc
- push interrupts into hardirq context as there isn't much in them
any more and it avoids breaking PREEMPT_RT builds due to the use
of a spinlock between the hardirq and the thread.
Tools
* event-monitor
- report unsupported events. We keep expanding what can come from drivers
so give a helpful error if one turns up in an out of date userspace
program.
* generic-buffer
- helpful message about needing to enable a channel to start the buffer.
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Merge tag 'iio-for-4.4a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First round of new driver, new functionality and cleanups for IIO in the 4.4 cycle
New device support
* APDS9960 ALS + proximity driver
* bmg160 SPI devices.
* HDC100x humidity sensors
* Holt HI-8435 threshold detector
* mma8453Q accelerometer added to the mma8452 driver
* mma86452FC and mma8653FC accelerometers added to the mma8452 driver
* mxc4005 accelerometer
* PulsedLight LIDAR
* SensorTech VZ89x volatile organic compound sensor
* UPISEMI uS5182d ALS and proximity sensors
New core functionality
* triggered events - use triggers to check for changes in threshold type
detectors on devices with out interrupt support. First user is the holt
comparator.
* chemical concentration and resistance channel types.
New driver functionality
* vf610
- buffer support.
- followup coccinelle warning fix.
Core rework
* buffers
- break out callback buffer to own module.
- move buffer implementations to a new subdirectory
* percolate the error code form iio_event_getfd out to userspace
rather than giving a missleading error later on.
Cleanups
* adddac drivers
- use BIT macro where appropriate.
* meter drivers
- use BIT macro where appropriate.
* ad7303
- add an OF match table to line up with the binding docs.
* adc128s052
- add an OF match table to line up with the binding docs.
* adf4350
- add an OF match table to line up with the binding docs
* as3935
- add an OF match table to line up with the binding docs.
* berlin2-adc
- use GENMASK and BIT for masks
- prevent attempting to sample multiple channels at once by moving a
mutex scop
- coding style cleanups
* bmg150_magn
- kconfig sort order was wrong - fix it.
* bmg160
- use i2c regmap and drop all uses of i2c_client
- separate i2c and core driver
* cc10001_adc
- kconfig sort order was wrong - fix it.
* evgen (dummy driver helper module)
- move interrupt generation to irq_work to reduce differences between
the dummy driver and real hardware drivers.
* hmc5843
- set the name dynamically rather than to a fixed value for one of the
suported parts.
- export module alias information to allow autoprobing of module.
* lpc32xx
- on failure to get resource or irq return -ENXIO as uppose to -EBUSY
* max1027
- set .of_match_table to actually allow OF style matching.
* max5821
- add MODULE_DEVICE_TABLE for OF table.
* mma8452
- refactor to separate out chip specific data.
- add freefall / motion interrupt source for devices that do their
interrupts slightly differently.
- update copywrite notice.
- leave naming of events directory in sysfs to the core
* mcp320x
- set .of_match_table so that it can be use for OF style matching.
* mlx90614
- Implement filter configuration (note the datasheet changed as a result
of the driver reviews to include the values we needed ;)
* opt3001
- drop .owner field as assigned by platform driver core.
* si7020
- replace a bitmask on the humidity values with a more correct range
check.
* stk310
- improved error handling.
- use BIT macro where appropriate and use the resulting defines
instead of magic numbers in the code.
- fix indentation
* st-sensors
- add debugfs register read hook
* tsl4531
- fix error handling in check_id
* twl6030
- fix module autoload for OF
* iio-trig-sysfs
- document add and remove attribute
* trigger in staging
- code alignment fixes.
- braces on both branches of if statement if needed for one.
* xilinx-xadc
- push interrupts into hardirq context as there isn't much in them
any more and it avoids breaking PREEMPT_RT builds due to the use
of a spinlock between the hardirq and the thread.
Tools
* event-monitor
- report unsupported events. We keep expanding what can come from drivers
so give a helpful error if one turns up in an out of date userspace
program.
* generic-buffer
- helpful message about needing to enable a channel to start the buffer.
Add support for VZ89X sensors VOC and CO2 reporting channels in
percentage which can be converted to part per million.
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
There are air quality sensors that report data back in parts per million
of VOC (Volatile Organic Compounds) which are usually indexed from CO2
or another common pollutant.
This patchset adds an IIO_CONCENTRATION type that returns a percentage
of substance because no other channels types fit this use case.
Modifiers for IIO_MOD_CO2 and IIO_MOD_VOC gas types are defined.
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Add support for the HDC100x temperature and humidity sensors
including the resistive heater element.
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This part adds the documentation for the interface authorization.
Signed-off-by: Stefan Koch <stefan.koch10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
export me client protocol version to sysfs and uevent
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a sysfs attribute, /sys/power/pm_wakeup_irq, reporting the IRQ
number of the first wakeup interrupt (that is, the first interrupt
from an IRQ line armed for system wakeup) seen by the kernel during
the most recent system suspend/resume cycle.
This feature will be useful for system wakeup diagnostics of
spurious wakeup interrupts.
Signed-off-by: Alexandra Yates <alexandra.yates@linux.intel.com>
[ rjw: Fixed up pm_wakeup_irq definition ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Convert xen-blkfront to the multiqueue API
- [arm] Support binding event channels to different VCPUs.
- [x86] Support > 512 GiB in a PV guests (off by default as such a
guest cannot be migrated with the current toolstack).
- [x86] PMU support for PV dom0 (limited support for using perf with
Xen and other guests).
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Merge tag 'for-linus-4.3-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from David Vrabel:
"Xen features and fixes for 4.3:
- Convert xen-blkfront to the multiqueue API
- [arm] Support binding event channels to different VCPUs.
- [x86] Support > 512 GiB in a PV guests (off by default as such a
guest cannot be migrated with the current toolstack).
- [x86] PMU support for PV dom0 (limited support for using perf with
Xen and other guests)"
* tag 'for-linus-4.3-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (33 commits)
xen: switch extra memory accounting to use pfns
xen: limit memory to architectural maximum
xen: avoid another early crash of memory limited dom0
xen: avoid early crash of memory limited dom0
arm/xen: Remove helpers which are PV specific
xen/x86: Don't try to set PCE bit in CR4
xen/PMU: PMU emulation code
xen/PMU: Intercept PMU-related MSR and APIC accesses
xen/PMU: Describe vendor-specific PMU registers
xen/PMU: Initialization code for Xen PMU
xen/PMU: Sysfs interface for setting Xen PMU mode
xen: xensyms support
xen: remove no longer needed p2m.h
xen: allow more than 512 GB of RAM for 64 bit pv-domains
xen: move p2m list if conflicting with e820 map
xen: add explicit memblock_reserve() calls for special pages
mm: provide early_memremap_ro to establish read-only mapping
xen: check for initrd conflicting with e820 map
xen: check pre-allocated page tables for conflict with memory map
xen: check for kernel memory conflicting with memory layout
...
Core changes:
- Root out the wrapper devm_gpiod_get() and gpiod_get() etc
versions of the descriptor calls that did not use the flags
argument on the end. This was around for too long and eventually
Uwe Kleine-König took the time to clean it out and the last
users are removed along with the macros in this tag. In several
cases the use of flags simplifies the code. For this reason we
have (ACKed) patches hitting in DRM, IIO, media, NFC, USB+PHY
up until we hammer in the nail with removing the macros.
- Add a fat document describing how much ready-made GPIO stuff
we have i the kernel to discourage people from reinventing
a square wheel in userspace, as so often happens.
- Create a separate lockdep class for each instance of a GPIO
IRQ chip instead of using one class for all chips, as the current
code will not work with systems with several GPIO chips doing
lockdep debugging.
- Protect against driver unloading also when a GPIO line is only
used as IRQ for the GPIOLIB_IRQCHIP helpers.
- If the GPIO chip has no designated owner, assign the parent
device driver owner as owner.
- Consolidation of chained IRQ handler install/remove replacing
all call sites where irq_set_handler_data() and
irq_set_chained_handler() were done in succession with a
combined call to irq_set_chained_handler_and_data(). This
series was created by Thomas Gleixner after the problem was
observed by Russell King.
- Tglx also made another series of patches switching
__irq_set_handler_locked() for irq_set_handler_locked() which
is way cleaner.
- Tglx and Jiang Liu wrote a good bunch of patches to make use of
irq_desc_get_xxx() accessors and avoid looking up irq_descs
from IRQ numbers. The goal is to get rid of the irq number
from the handlers in the IRQ flow which is nice.
- Rob Herring killed off the set_irq_flags() for all GPIO
drivers. This was an ARM specific function that is replaced
with the generic irq_modify_status() where special flags
are actually needed.
- When an OF node has a pin range for its GPIOs, return
-EPROBE_DEFER if the pin controller isn't available.
Pretty logical, yet needed to be fixed.
- If a driver using GPIOLIB_IRQCHIP has its own
irq_*_resources call back, then call these instead of the
defaults provided by the GPIOLIB.
- Fix an undocumented ABI hole: named GPIOs were not
properly documented.
Driver improvements:
- Add get_direction() support to the generic GPIO driver, it's
strange that we didn't have that before.
- Make it possible to have input-only GPIO chips using the
generic GPIO driver.
- Clean out platform data support from the Emma Mobile (EM)
driver
- Finegrained runtime PM support for the RCAR driver.
- Support r8a7795 (R-car H3) in the RCAR driver.
- Support interrupts on GPIOs 16 thru 31 in the DaVinci driver.
- Some consolidation and new support in the MPC8xxx driver,
we now support MPC5125.
- Preempt-RT-friendly patches: the OMAP, MPC8xxx, drivers uses raw
spinlocks making it work better with the realime patches.
- Interrupt support for the EXTRAXFS GPIO driver.
- Make the ETRAXFS GPIO driver support also ARTPEC-3.
- Interrupt and wakeup support for the BRCMSTB driver, also for
wakeup from S5 cold boot.
- Mask MXC IRQs during suspend.
- Improve OMAP2 GPIO set_debounce() to work according to spec.
- The VF610 driver handles IRQs properly.
New drivers:
- ZTE ZX GPIO driver.
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Merge tag 'gpio-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v4.3 kernel cycle.
There is quite a lot going on in the GPIO subsystem this merge window,
so the main matter is decribed below.
The hits in other subsystems when making the GPIO flags optional are
all ACKed by their respective subsystem maintainers.
Core changes:
- Root out the wrapper devm_gpiod_get() and gpiod_get() etc versions
of the descriptor calls that did not use the flags argument on the
end. This was around for too long and eventually Uwe Kleine-König
took the time to clean it out and the last users are removed along
with the macros in this tag. In several cases the use of flags
simplifies the code. For this reason we have (ACKed) patches
hitting in DRM, IIO, media, NFC, USB+PHY up until we hammer in the
nail with removing the macros.
- Add a fat document describing how much ready-made GPIO stuff we
have i the kernel to discourage people from reinventing a square
wheel in userspace, as so often happens.
- Create a separate lockdep class for each instance of a GPIO IRQ
chip instead of using one class for all chips, as the current code
will not work with systems with several GPIO chips doing lockdep
debugging.
- Protect against driver unloading also when a GPIO line is only used
as IRQ for the GPIOLIB_IRQCHIP helpers.
- If the GPIO chip has no designated owner, assign the parent device
driver owner as owner.
- Consolidation of chained IRQ handler install/remove replacing all
call sites where irq_set_handler_data() and
irq_set_chained_handler() were done in succession with a combined
call to irq_set_chained_handler_and_data().
This series was created by Thomas Gleixner after the problem was
observed by Russell King.
- Tglx also made another series of patches switching
__irq_set_handler_locked() for irq_set_handler_locked() which is
way cleaner.
- Tglx and Jiang Liu wrote a good bunch of patches to make use of
irq_desc_get_xxx() accessors and avoid looking up irq_descs from
IRQ numbers. The goal is to get rid of the irq number from the
handlers in the IRQ flow which is nice.
- Rob Herring killed off the set_irq_flags() for all GPIO drivers.
This was an ARM specific function that is replaced with the generic
irq_modify_status() where special flags are actually needed.
- When an OF node has a pin range for its GPIOs, return -EPROBE_DEFER
if the pin controller isn't available. Pretty logical, yet needed
to be fixed.
- If a driver using GPIOLIB_IRQCHIP has its own irq_*_resources call
back, then call these instead of the defaults provided by the
GPIOLIB.
- Fix an undocumented ABI hole: named GPIOs were not properly
documented.
Driver improvements:
- Add get_direction() support to the generic GPIO driver, it's
strange that we didn't have that before.
- Make it possible to have input-only GPIO chips using the generic
GPIO driver.
- Clean out platform data support from the Emma Mobile (EM) driver
- Finegrained runtime PM support for the RCAR driver.
- Support r8a7795 (R-car H3) in the RCAR driver.
- Support interrupts on GPIOs 16 thru 31 in the DaVinci driver.
- Some consolidation and new support in the MPC8xxx driver, we now
support MPC5125.
- Preempt-RT-friendly patches: the OMAP, MPC8xxx, drivers uses raw
spinlocks making it work better with the realime patches.
- Interrupt support for the EXTRAXFS GPIO driver.
- Make the ETRAXFS GPIO driver support also ARTPEC-3.
- Interrupt and wakeup support for the BRCMSTB driver, also for
wakeup from S5 cold boot.
- Mask MXC IRQs during suspend.
- Improve OMAP2 GPIO set_debounce() to work according to spec.
- The VF610 driver handles IRQs properly.
New drivers:
- ZTE ZX GPIO driver"
* tag 'gpio-v4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (87 commits)
Revert "gpio: extraxfs: fix returnvar.cocci warnings"
gpio: tc3589x: use static container helper
gpio: xlp: fix error return code
gpio: vf610: handle level IRQ's properly
gpio: max732x: Fix error handling in probe()
gpio: omap: fix clk_prepare/unprepare usage
gpio: omap: protect regs access in omap_gpio_irq_handler
gpio: omap: fix omap2_set_gpio_debounce
gpio: omap: switch to use platform_get_irq
gpio: omap: remove wrong irq_domain_remove usage in probe
gpiolib: add description for gpio irqchip fields in struct gpio_chip
gpio: extraxfs: fix returnvar.cocci warnings
gpiolib: irqchip: use different lockdep class for each gpio irqchip
gpio/grgpio: fix deadlock in grgpio_irq_unmap()
Documentation: gpio: consumer: describe active low property
gpio: mxc: fix section mismatch warning
gpio/mxc: mask gpio interrupts in suspend
gpio: omap: Fix missing raw locks conversion
gpio: brcmstb: support wakeup from S5 cold boot
gpio: brcmstb: Add interrupt and wakeup source support
...
- Support "hybrid" iommu/direct DMA ops for coherent_mask < dma_mask from Benjamin Herrenschmidt
- EEH fixes for SRIOV from Gavin
- Introduce rtas_get_sensor_fast() for IRQ handlers from Thomas Huth
- Use hardware RNG for arch_get_random_seed_* not arch_get_random_* from Paul Mackerras
- Seccomp filter support from Michael Ellerman
- opal_cec_reboot2() handling for HMIs & machine checks from Mahesh Salgaonkar
- Add powerpc timebase as a trace clock source from Naveen N. Rao
- Misc cleanups in the xmon, signal & SLB code from Anshuman Khandual
- Add an inline function to update POWER8 HID0 from Gautham R. Shenoy
- Fix pte_pagesize_index() crash on 4K w/64K hash from Michael Ellerman
- Drop support for 64K local store on 4K kernels from Michael Ellerman
- move dma_get_required_mask() from pnv_phb to pci_controller_ops from Andrew Donnellan
- Initialize distance lookup table from drconf path from Nikunj A Dadhania
- Enable RTC class support from Vaibhav Jain
- Disable automatically blocked PCI config from Gavin Shan
- Add LEDs driver for PowerNV platform from Vasant Hegde
- Fix endianness issues in the HVSI driver from Laurent Dufour
- Kexec endian fixes from Samuel Mendoza-Jonas
- Fix corrupted pdn list from Gavin Shan
- Fix fenced PHB caused by eeh_slot_error_detail() from Gavin Shan
- Freescale updates from Scott: Highlights include 32-bit memcpy/memset
optimizations, checksum optimizations, 85xx config fragments and updates,
device tree updates, e6500 fixes for non-SMP, and misc cleanup and minor
fixes.
- A ton of cxl updates & fixes:
- Add explicit precision specifiers from Rasmus Villemoes
- use more common format specifier from Rasmus Villemoes
- Destroy cxl_adapter_idr on module_exit from Johannes Thumshirn
- Destroy afu->contexts_idr on release of an afu from Johannes Thumshirn
- Compile with -Werror from Daniel Axtens
- EEH support from Daniel Axtens
- Plug irq_bitmap getting leaked in cxl_context from Vaibhav Jain
- Add alternate MMIO error handling from Ian Munsie
- Allow release of contexts which have been OPENED but not STARTED from Andrew Donnellan
- Remove use of macro DEFINE_PCI_DEVICE_TABLE from Vaishali Thakkar
- Release irqs if memory allocation fails from Vaibhav Jain
- Remove racy attempt to force EEH invocation in reset from Daniel Axtens
- Fix + cleanup error paths in cxl_dev_context_init from Ian Munsie
- Fix force unmapping mmaps of contexts allocated through the kernel api from Ian Munsie
- Set up and enable PSL Timebase from Philippe Bergheaud
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Merge tag 'powerpc-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- support "hybrid" iommu/direct DMA ops for coherent_mask < dma_mask
from Benjamin Herrenschmidt
- EEH fixes for SRIOV from Gavin
- introduce rtas_get_sensor_fast() for IRQ handlers from Thomas Huth
- use hardware RNG for arch_get_random_seed_* not arch_get_random_*
from Paul Mackerras
- seccomp filter support from Michael Ellerman
- opal_cec_reboot2() handling for HMIs & machine checks from Mahesh
Salgaonkar
- add powerpc timebase as a trace clock source from Naveen N. Rao
- misc cleanups in the xmon, signal & SLB code from Anshuman Khandual
- add an inline function to update POWER8 HID0 from Gautham R. Shenoy
- fix pte_pagesize_index() crash on 4K w/64K hash from Michael Ellerman
- drop support for 64K local store on 4K kernels from Michael Ellerman
- move dma_get_required_mask() from pnv_phb to pci_controller_ops from
Andrew Donnellan
- initialize distance lookup table from drconf path from Nikunj A
Dadhania
- enable RTC class support from Vaibhav Jain
- disable automatically blocked PCI config from Gavin Shan
- add LEDs driver for PowerNV platform from Vasant Hegde
- fix endianness issues in the HVSI driver from Laurent Dufour
- kexec endian fixes from Samuel Mendoza-Jonas
- fix corrupted pdn list from Gavin Shan
- fix fenced PHB caused by eeh_slot_error_detail() from Gavin Shan
- Freescale updates from Scott: Highlights include 32-bit memcpy/memset
optimizations, checksum optimizations, 85xx config fragments and
updates, device tree updates, e6500 fixes for non-SMP, and misc
cleanup and minor fixes.
- a ton of cxl updates & fixes:
- add explicit precision specifiers from Rasmus Villemoes
- use more common format specifier from Rasmus Villemoes
- destroy cxl_adapter_idr on module_exit from Johannes Thumshirn
- destroy afu->contexts_idr on release of an afu from Johannes
Thumshirn
- compile with -Werror from Daniel Axtens
- EEH support from Daniel Axtens
- plug irq_bitmap getting leaked in cxl_context from Vaibhav Jain
- add alternate MMIO error handling from Ian Munsie
- allow release of contexts which have been OPENED but not STARTED
from Andrew Donnellan
- remove use of macro DEFINE_PCI_DEVICE_TABLE from Vaishali Thakkar
- release irqs if memory allocation fails from Vaibhav Jain
- remove racy attempt to force EEH invocation in reset from Daniel
Axtens
- fix + cleanup error paths in cxl_dev_context_init from Ian Munsie
- fix force unmapping mmaps of contexts allocated through the kernel
api from Ian Munsie
- set up and enable PSL Timebase from Philippe Bergheaud
* tag 'powerpc-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (140 commits)
cxl: Set up and enable PSL Timebase
cxl: Fix force unmapping mmaps of contexts allocated through the kernel api
cxl: Fix + cleanup error paths in cxl_dev_context_init
powerpc/eeh: Fix fenced PHB caused by eeh_slot_error_detail()
powerpc/pseries: Cleanup on pci_dn_reconfig_notifier()
powerpc/pseries: Fix corrupted pdn list
powerpc/powernv: Enable LEDS support
powerpc/iommu: Set default DMA offset in dma_dev_setup
cxl: Remove racy attempt to force EEH invocation in reset
cxl: Release irqs if memory allocation fails
cxl: Remove use of macro DEFINE_PCI_DEVICE_TABLE
powerpc/powernv: Fix mis-merge of OPAL support for LEDS driver
powerpc/powernv: Reset HILE before kexec_sequence()
powerpc/kexec: Reset secondary cpu endianness before kexec
powerpc/hvsi: Fix endianness issues in the HVSI driver
leds/powernv: Add driver for PowerNV platform
powerpc/powernv: Create LED platform device
powerpc/powernv: Add OPAL interfaces for accessing and modifying system LED states
powerpc/powernv: Fix the log message when disabling VF
cxl: Allow release of contexts which have been OPENED but not STARTED
...
Pull HID updates from Jiri Kosina:
"to receive patches queued for 4.3 merge window in HID tree. Highlights:
- a lot of improvements (regarding supported features and devices) to
Wacom driver, from Aaron Skomra and Jason Gerecke
- a lot of functional fixes and support for large I2C transfer to
cp2112 driver, from Ellen Wang
- HW support improvements to RMI driver, from Andrew Duggan
- quite some small fixes and device ID additions all over the place"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (44 commits)
HID: wacom: wacom_setup_numbered_buttons is local to wacom_wac
HID: wacom: Add support for Express Key Remote.
HID: wacom: Set button bits based on a new numbered_buttons
HID: quirks: add QUIRK_NOGET for an other TPV touchscreen
HID: usbhid: Fix the check for HID_RESET_PENDING in hid_io_error
HID: i2c-hid: Only disable irq wake if it was successfully enabled during suspend
HID: wacom: Use tablet-provided touch height/width values for INTUOSHT
HID: gembird: add new driver to fix Gembird JPD-DualForce 2
HID: lenovo: Hide middle-button press until release
HID: lenovo: Add missing return-value check
HID: lenovo: Use constants for axes names
HID: wacom: Simplify 'wacom_pl_irq'
HID: wacom: Do not repeatedly attempt to set device mode on error
HID: wacom: Do not repeatedly attempt to set device mode on error
HID: wacom: Remove WACOM_QUIRK_NO_INPUT
HID: wacom: Replace WACOM_QUIRK_MONITOR with WACOM_DEVICETYPE_WL_MONITOR
HID: wacom: Use calculated pkglen for wireless touch interface
HID: sony: Fix DS4 controller reporting rate issues
HID: chicony: Add support for Acer Aspire Switch 12
HID: hid-lg: Add USBID for Logitech G29 Wheel
...
* new reset driver for ZTE SoCs
* add support for sama5d3 reset handling
* overhaul of twl4030 charger driver
* misc. fixes and cleanups
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Merge tag 'for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset changes from Sebastian Reichel:
- new reset driver for ZTE SoCs
- add support for sama5d3 reset handling
- overhaul of twl4030 charger driver
- misc fixes and cleanups
* tag 'for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (35 commits)
bq2415x_charger: Allow to load and use driver even if notify device is not registered yet
twl4030_charger: fix compile error when TWL4030_MADC not available.
power: bq24190_charger: Fix charge type sysfs property
power: Allow compile test of GPIO consumers if !GPIOLIB
power: Export I2C module alias information in missing drivers
twl4030_charger: Increase current carefully while watching voltage.
twl4030_charger: add ac/mode to match usb/mode
twl4030_charger: add software controlled linear charging mode.
twl4030_charger: enable manual enable/disable of usb charging.
twl4030_charger: allow max_current to be managed via sysfs.
twl4030_charger: distinguish between USB current and 'AC' current
twl4030_charger: allow fine control of charger current.
twl4030_charger: split uA calculation into a function.
twl4030_charger: trust phy to determine when USB power is available.
twl4030_charger: correctly handle -EPROBE_DEFER from devm_usb_get_phy_by_node
twl4030_charger: convert to module_platform_driver instead of ..._probe.
twl4030_charger: use runtime_pm to keep usb phy active while charging.
rx51-battery: Set name to rx51-battery
MAINTAINERS: AVS is not maintained via power supply tree
power: olpc_battery: clean up eeprom read function
...
Here's the big USB and PHY patchset for 4.3-rc1.
As usual, the majority of the changes are in the USB gadget portion of
the tree, lots of little changes all over the place for bugs and new
hardware. Other than that, the normal mix of new hardware support and
bugfixes.
All 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-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big USB and PHY patchset for 4.3-rc1.
As usual, the majority of the changes are in the USB gadget portion of
the tree, lots of little changes all over the place for bugs and new
hardware. Other than that, the normal mix of new hardware support and
bugfixes.
All have been in linux-next with no reported issues"
* tag 'usb-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (261 commits)
USB: qcserial: add HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module
USB: ftdi_sio: Added custom PID for CustomWare products
USB: usb_wwan: silence read errors on disconnect
USB: option: silence interrupt errors
USB: symbolserial: Correct transferred data size
USB: symbolserial: Use usb_get_serial_port_data
usb: misc: usbtest: format max packet size for iso transfer
usb: host: ehci-sys: delete useless bus_to_hcd conversion
Revert "usb: interface authorization: Declare authorized attribute"
Revert "usb: interface authorization: Introduces the default interface authorization"
Revert "usb: interface authorization: Control interface probing and claiming"
Revert "usb: interface authorization: Introduces the USB interface authorization"
Revert "usb: interface authorization: SysFS part of USB interface authorization"
Revert "usb: interface authorization: Documentation part"
Revert "usb: interface authorization: Use a flag for the default device authorization"
usb: core: hub: Removed some warnings generated by checkpatch.pl
USB: host: ohci-at91: merge loops in ohci_hcd_at91_drv_probe
USB: host: ohci-at91: merge ohci_at91_of_init in ohci_hcd_at91_drv_probe
USB: host: ohci-at91: depend on OF
USB: host: ohci-at91: move at91_usbh_data definition in c file
...
Here is the big staging driver updates for 4.3-rc1.
Lots of things all over the place, almost all of them trivial fixups and
changes. The usual IIO updates and new drivers and we have added the
MOST driver subsystem which is getting cleaned up in the tree. The
ozwpan driver is finally being deleted as it is obviously abandoned and
no one cares about it.
Full details are in the shortlog, and all of these have been in
linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big staging driver updates for 4.3-rc1.
Lots of things all over the place, almost all of them trivial fixups
and changes. The usual IIO updates and new drivers and we have added
the MOST driver subsystem which is getting cleaned up in the tree.
The ozwpan driver is finally being deleted as it is obviously
abandoned and no one cares about it.
Full details are in the shortlog, and all of these have been in
linux-next with no reported issues"
* tag 'staging-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (912 commits)
staging/lustre/o2iblnd: remove references to ib_reg_phsy_mr()
staging: wilc1000: fix build warning with setup_timer()
staging: wilc1000: remove DECLARE_WILC_BUFFER()
staging: wilc1000: remove void function return statements that are not useful
staging: wilc1000: coreconfigurator.c: fix kmalloc error check
staging: wilc1000: coreconfigurator.c: use kmalloc instead of WILC_MALLOC
staging: wilc1000: remove unused codes of gps8ConfigPacket
staging: wilc1000: remove unnecessary void pointer cast
staging: wilc1000: remove WILC_NEW and WILC_NEW_EX
staging: wilc1000: use kmalloc instead of WILC_NEW
staging: wilc1000: Process WARN, INFO options of debug levels from user
staging: wilc1000: remove unneeded tstrWILC_MsgQueueAttrs typedef
staging: wilc1000: delete wilc_osconfig.h
staging: wilc1000: delete wilc_log.h
staging: wilc1000: delete wilc_timer.h
staging: wilc1000: remove WILC_TimerStart()
staging: wilc1000: remove WILC_TimerCreate()
staging: wilc1000: remove WILC_TimerDestroy()
staging: wilc1000: remove WILC_TimerStop()
staging: wilc1000: remove tstrWILC_TimerAttrs typedef
...
This device is pad (buttons) only, there is no stylus or touch. Up to
five remotes can pair with the device's associated USB dongle.
Signed-off-by: Aaron Skomra <aaron.skomra@wacom.com>
Reviewed-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Set Xen's PMU mode via /sys/hypervisor/pmu/pmu_mode. Add XENPMU hypercall.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
This reverts commit 6ef2bf7176 as the
signed-off-by address is invalid.
Cc: Stefan Koch <stefan.koch10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds the documentation ABI for the remove_trigger
attribute, provided by the iio-trig-sysfs stand-alone driver.
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch adds the ABI documentation for the add_trigger
attribute, which is provided by the iio-trig-sysfs stand-alone driver.
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This part adds the documentation for the interface authorization.
Signed-off-by: Stefan Koch <skoch@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
New support for Allwinne SoC on the MUSB driver has been added to the list of
glue layers. MUSB also got support for building all DMA engines in one binary;
this will be great for distros.
DWC3 now has no trace of dev_dbg()/dev_vdbg() usage. We will rely solely on
tracing to debug DWC3. There was also a fix for memory corruption with EP0 when
maxpacket size transfers are > 512 bytes.
Robert's EP capabilities flags is making EP selection a lot simpler. UDCs are
now required to set these flags up when adding endpoints to the framework.
Other than these, we have the usual set of miscelaneous cleanups and minor
fixes.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v4.3 merge window
New support for Allwinne SoC on the MUSB driver has been added to the list of
glue layers. MUSB also got support for building all DMA engines in one binary;
this will be great for distros.
DWC3 now has no trace of dev_dbg()/dev_vdbg() usage. We will rely solely on
tracing to debug DWC3. There was also a fix for memory corruption with EP0 when
maxpacket size transfers are > 512 bytes.
Robert's EP capabilities flags is making EP selection a lot simpler. UDCs are
now required to set these flags up when adding endpoints to the framework.
Other than these, we have the usual set of miscelaneous cleanups and minor
fixes.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Provide a kernel API and a sysfs entry which allow a user to specify
that when a card is PERSTed, it's image will stay the same, allowing
it to participate in EEH.
cxl_reset is used to reflash the card. In that case, we cannot safely
assert that the image will not change. Therefore, disallow cxl_reset
if the flag is set.
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
commit 926b663ce8
"gpiolib: allow GPIOs to be named" added the ability to
name GPIO lines by an array of names stored in the GPIO
chip. This was in 2009 and has been an ABI since. Let's
document it properly.
Cc: Daniel Silverstone <dsilvers@digital-scurf.org>
Cc: Markus Pargmann <mpa@pengutronix.de>
Cc: Johan Hovold <johan@kernel.org>
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Take 2 also includes a fix set that was too late for the 4.2 cycle.
As we had a lot of tools and docs work in this set, I have broken those
out into their own categories in this description.
Fixes from the pull request '4th set of IIO fixes for the 4.2 cycle'.
* Poll functions for both event chardev and the buffer one were returning
negative error codes (via a positive value).
* A recent change to lsiio adding some error handling that was wrong and
stopped the tool working.
* bmg160 was missing some dependencies in Kconfig
* berlin2-adc had a misshandled register (wrote a value rather than a bitmap)
New device support
* TI opt3001 light sensor
* TXC PA12 ALS and proximity sensor.
* mcp3301 ADC support (in mcp320x driver)
* ST lsm303agr accelerometer and magnetometer drivers (plus some st-sensors
common support to allow different WHOAMI register addresses, devices with
fixed scale and allow interrupt equiped magnetometers).
* ADIS16305, ADIS16367, ADIS16445IMUs (in the adis16400 driver)
* ADIS16266 gyro (in the adis16260 driver)
* ADIS16137 gyro (in the adis16136 driver)
New functionality
* mmc35240 DT bindings.
* Inverse unit conversion macros to aid handing of values written to sysfs
attributes.
Core cleanup
* Forward declaration of struct iio_trigger to avoid a compile warning.
Driver cleanup / fixes
* mxs-lradc
- Clarify which parts are supported.
- Fix spelling erorrs.
- Missing/extra includes
- reorder includes
- add datasheet name listings for all usable channels (to allow them
to be bound by name from consumer drivers)
* acpi-als - add some function prefixes as per general iio style.
* bmc150_magn - replace a magic value with the existing define.
* vf610 - determine possible sample frequencies taking into account the
electrical characteristics (defining a minimum sample time)
* dht11
- whitespace
- additional docs
- avoid mulitple assignments in one line
- Use the new funciton ktime_get_resolution_ns to cleanup a nasty trick
previously used for timing.
* Fix all drivers that consider 0 a valid IRQ for historical reasons.
* Export I2C module alias info where previously missing (to allow autoprobing)
* Export OF module alias info where previously missing.
* mmc35240 - switch some variables into arrays to improve readability.
* mlx90614 - define some magic numbers for readability.
* bmc150_magn
- expand area locked by a mutex to cover all the use of the
data->buffer.
- use descriptive naming for a mask instead of a magic value.
* berin2-adc
- pass up an error code rather that a generic error
- constify the iio_chan_spec
- some other little tidy ups.
* stk8312
- fix a dependency on triggered buffers in kconfig
- add a check for invalid attribute values
- improve error handling by returning error codes where possible and
return immediately where relevant
- rework macro defs to use GENMASK etc
- change some variable types to reduce unnecessary casting
- clean up code style
- drop a local buffer copy for bulk reads and use the one in data->buffer
instead.
* adis16400 - the adis16448 gyroscope scale was wrong.
* adis16480 - some more wrong scales for various parts.
* adis16300 - has an undocumented product id and serial number registers so
use them.
* iio_simple_dummy - fix some wrong code indentation.
* bmc150-accel - use the chip ID to detect the chip present rather than
verifying the expected part was there. This was in response to a wrong
ACPI entry on the WinBook TW100.
* mma8452
- fix _get_hp_filter_index
- drop a double include
- pass up an error code rather than rewriting it
- range check input values to attribute writes
- register defs tidy up using GENMASK and reordering them to be easier to
follow.
- various coding style cleanups
- put the Kconfig entry in the write place (alphabetically).
Tools related
* Tools cleanup - drop an explicity NULL comparison, some unnecessary braces,
use the ARRAY_SIZE macro, send error messages to stderr instead of dropping
them in the middle of normal output.
* Fix tools to allow that scale and offset attributes are optional.
* More tools fixes including allowing true 32bit data (previously an overflow
prevented more than 31bits)
* Drop a stray header guard that ended up in a c file.
* Make calc_digits static as it isn't exported or in the header.
* Set ci_array pointer to NULL after free as a protection against non safe
usage of the tools core code. Also convert a double pointer to a single
one as the extra level of indirection was unnecessary.
Docs
* DocBook introduction by Daniel Baluta. Glad we are beginning to
draw together some more introductory docs to suplement the various
tools / examples.
* Drop bytes_per_datum sysfs attribute docs as it no longer exists.
* A whole load of missing / fixing of kernel-doc for the core of IIO.
* Document the trigger name sysfs attribute in the ABI docs.
* Minor typos in the ABI docs related to power down modes.
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Merge tag 'iio-for-4.3b-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of new device support, features and cleanup for the 4.3 cycle.
Take 2 also includes a fix set that was too late for the 4.2 cycle.
As we had a lot of tools and docs work in this set, I have broken those
out into their own categories in this description.
Fixes from the pull request '4th set of IIO fixes for the 4.2 cycle'.
* Poll functions for both event chardev and the buffer one were returning
negative error codes (via a positive value).
* A recent change to lsiio adding some error handling that was wrong and
stopped the tool working.
* bmg160 was missing some dependencies in Kconfig
* berlin2-adc had a misshandled register (wrote a value rather than a bitmap)
New device support
* TI opt3001 light sensor
* TXC PA12 ALS and proximity sensor.
* mcp3301 ADC support (in mcp320x driver)
* ST lsm303agr accelerometer and magnetometer drivers (plus some st-sensors
common support to allow different WHOAMI register addresses, devices with
fixed scale and allow interrupt equiped magnetometers).
* ADIS16305, ADIS16367, ADIS16445IMUs (in the adis16400 driver)
* ADIS16266 gyro (in the adis16260 driver)
* ADIS16137 gyro (in the adis16136 driver)
New functionality
* mmc35240 DT bindings.
* Inverse unit conversion macros to aid handing of values written to sysfs
attributes.
Core cleanup
* Forward declaration of struct iio_trigger to avoid a compile warning.
Driver cleanup / fixes
* mxs-lradc
- Clarify which parts are supported.
- Fix spelling erorrs.
- Missing/extra includes
- reorder includes
- add datasheet name listings for all usable channels (to allow them
to be bound by name from consumer drivers)
* acpi-als - add some function prefixes as per general iio style.
* bmc150_magn - replace a magic value with the existing define.
* vf610 - determine possible sample frequencies taking into account the
electrical characteristics (defining a minimum sample time)
* dht11
- whitespace
- additional docs
- avoid mulitple assignments in one line
- Use the new funciton ktime_get_resolution_ns to cleanup a nasty trick
previously used for timing.
* Fix all drivers that consider 0 a valid IRQ for historical reasons.
* Export I2C module alias info where previously missing (to allow autoprobing)
* Export OF module alias info where previously missing.
* mmc35240 - switch some variables into arrays to improve readability.
* mlx90614 - define some magic numbers for readability.
* bmc150_magn
- expand area locked by a mutex to cover all the use of the
data->buffer.
- use descriptive naming for a mask instead of a magic value.
* berin2-adc
- pass up an error code rather that a generic error
- constify the iio_chan_spec
- some other little tidy ups.
* stk8312
- fix a dependency on triggered buffers in kconfig
- add a check for invalid attribute values
- improve error handling by returning error codes where possible and
return immediately where relevant
- rework macro defs to use GENMASK etc
- change some variable types to reduce unnecessary casting
- clean up code style
- drop a local buffer copy for bulk reads and use the one in data->buffer
instead.
* adis16400 - the adis16448 gyroscope scale was wrong.
* adis16480 - some more wrong scales for various parts.
* adis16300 - has an undocumented product id and serial number registers so
use them.
* iio_simple_dummy - fix some wrong code indentation.
* bmc150-accel - use the chip ID to detect the chip present rather than
verifying the expected part was there. This was in response to a wrong
ACPI entry on the WinBook TW100.
* mma8452
- fix _get_hp_filter_index
- drop a double include
- pass up an error code rather than rewriting it
- range check input values to attribute writes
- register defs tidy up using GENMASK and reordering them to be easier to
follow.
- various coding style cleanups
- put the Kconfig entry in the write place (alphabetically).
Tools related
* Tools cleanup - drop an explicity NULL comparison, some unnecessary braces,
use the ARRAY_SIZE macro, send error messages to stderr instead of dropping
them in the middle of normal output.
* Fix tools to allow that scale and offset attributes are optional.
* More tools fixes including allowing true 32bit data (previously an overflow
prevented more than 31bits)
* Drop a stray header guard that ended up in a c file.
* Make calc_digits static as it isn't exported or in the header.
* Set ci_array pointer to NULL after free as a protection against non safe
usage of the tools core code. Also convert a double pointer to a single
one as the extra level of indirection was unnecessary.
Docs
* DocBook introduction by Daniel Baluta. Glad we are beginning to
draw together some more introductory docs to suplement the various
tools / examples.
* Drop bytes_per_datum sysfs attribute docs as it no longer exists.
* A whole load of missing / fixing of kernel-doc for the core of IIO.
* Document the trigger name sysfs attribute in the ABI docs.
* Minor typos in the ABI docs related to power down modes.
Fix typos in ABI documentation
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch adds an entry in ABI Documentation for the name attribute
issued when a trigger is created.
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Acked-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Now that we have the nvmem framework, we can consolidate the common
driver code. Move the driver to the framework, and hopefully, it will
fix the sysfs file creation race.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
[srinivas.kandagatla: Moved to regmap based EEPROM framework]
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
'ctxid_val' array was used to store the value of ETM context ID comparator
which actually stores the process ID to be traced, so using 'ctxid_pid' as
its name instead make it easier to understand.
This patch also changes the ABI, it is normally not allowed, but
fortunately it is a testing ABI and very new for now. Nevertheless,
if you don't think it should be changed, we could always add an alias
for userspace.
Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
'ctxid_val' array was used to store the value of ETM context ID comparator
which actually stores the process ID to be traced, so using 'ctxid_pid' as
its name instead make it easier to understand.
This patch also changes the ABI, it is normally not allowed, but
fortunately it is a testing ABI and very new for now. Nevertheless,
if you don't think it should be changed, we could always add an alias
for userspace.
Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This allows AC charging to be turned off, much like usb charging.
"continuous" mode is not available though.
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Add a 'continuous' option for usb charging which enables
the "linear" charging mode of the twl4030.
Linear charging does a good job with not-so-reliable power sources.
Auto mode does not work well as it switches off when voltage drops
momentarily. Care must be taken not to over-charge.
It was used with a bike hub dynamo since a year or so. In that case
there are automatically charging stops when the cyclist needs a break.
Original-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
'off' or 'auto' to
/sys/class/power/twl4030_usb/mode
will now enable or disable charging from USB port. Normally this is
enabled on 'plug' and disabled on 'unplug'.
Unplug will still disable charging. 'plug' will only enable it if
'auto' if selected.
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
'max_current' sysfs attributes are created which allow the
max to be set.
Whenever a current source changes, the default is restored.
This will be followed by a uevent, so user-space can decide to
update again.
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
PM_RUNTIME has been replaced with PM by commit 464ed18ebd ("PM:
Eliminate CONFIG_PM_RUNTIME") hence substitute the reference on
PM_RUNTIME with PM and re-arrange the text to 80 column break.
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a sysfs node to make it easier to verify if LPM is supported and being
enabled for USB 3.0 devices.
Signed-off-by: Kevin Strasser <kevin.strasser@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove sysfs bytes_per_datum device attribute ABI documentation
since the attribute is not present anymore.
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Core and tools new stuff
* Allow explicit flush of hardware fifo by using an non blocking read.
This is needed to support some of the Android requirements for HW fifo
devices - also makes sense generally and clarifies a corner of the ABI.
* Add some missing modifier names. Mostly these exist for weird and
wonderful event types, but should still be present in the name array.
* Update iio_event_monitor to cope with new channel types.
* generic_buffer gains support for single byte scan elements (no idea
how this never got implemented before!)
New device support
* ROHM rpr0521 light and proximity sensor driver.
* bmc150 gains bmc156 support.
* ms5611 gains ms5607 temperature and pressure sensor support.
Driver functionality
* inv-mpu - add scale_available attributes to aid userspace in
configuring these devices.
* isl29125 - add scale_available attributes.
* stk8ba50 - sampling frequency control, triggered buffer support.
* stk8312 - sampling frequency control, triggered buffer support.
* cc10001 - ensure ADC powered up at probe time if shared by non linux
running CPUs.
* bmc150-magn - decouple the buffer and trigger allowing other triggers
to be used to drive this device's sampling.
Documentation
* Add some previously missed *scale_available attributes to the ABI docs.
Cleanups
* Clarify some crazy naming in iio_triggered_buffer_setup that seems to
have somehow ended up backwards (dates back a long way). Avoid the top
half and bottom half naming entirely given we are how dealing with a
handler and a thread in all cases.
* Tools cleanup including coding style, variable naming improvements, also
a new sanity check on a full event having been read.
* stk8ba50 - replace the scale table with a struct for clarity. Also suspend
the sensor if an error occurs in init.
* hid-sensor-prox - drop uneeded line break.
* mma9551 - use size in words for word read / write avoiding accidental
sending of an odd number of bytes.
* mma9553 - fix code alignment and document the use of a mutex.
* light/Kconfig - typo fix in commment.
* cm3323 - don't eat an error value, replace an unneeded local variable with
a generic local variable with the same use, add some blank lines for clarity.
* pressure/Kconfig - typo in Measurement Specialties name.
* bmc150-accel - actually use a mask definition rather than repeating the
value inline, code style cleanup.
* adc/Kconfig - general help description cleanup.
* ssp_sensors - drop redundant spi driver bus initialization (done in the
spi core)
* tmp006 - use genmask rather than hand generated masks.
* ms5611 - drop IIO_CHAN_INFO_SCALE as this driver provides a processed
output and as such the read only scale adds nothing useful.
* kxcjk-1013, adf4350, dummy - drop unwanted blank lines.
* Drop all owner assignments from i2c_drivers and this is done in the
i2c core.
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Merge tag 'iio-for-4.3a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First round of new drivers, cleanups and functionality for IIO in the 4.3 cycle.
Core and tools new stuff
* Allow explicit flush of hardware fifo by using an non blocking read.
This is needed to support some of the Android requirements for HW fifo
devices - also makes sense generally and clarifies a corner of the ABI.
* Add some missing modifier names. Mostly these exist for weird and
wonderful event types, but should still be present in the name array.
* Update iio_event_monitor to cope with new channel types.
* generic_buffer gains support for single byte scan elements (no idea
how this never got implemented before!)
New device support
* ROHM rpr0521 light and proximity sensor driver.
* bmc150 gains bmc156 support.
* ms5611 gains ms5607 temperature and pressure sensor support.
Driver functionality
* inv-mpu - add scale_available attributes to aid userspace in
configuring these devices.
* isl29125 - add scale_available attributes.
* stk8ba50 - sampling frequency control, triggered buffer support.
* stk8312 - sampling frequency control, triggered buffer support.
* cc10001 - ensure ADC powered up at probe time if shared by non linux
running CPUs.
* bmc150-magn - decouple the buffer and trigger allowing other triggers
to be used to drive this device's sampling.
Documentation
* Add some previously missed *scale_available attributes to the ABI docs.
Cleanups
* Clarify some crazy naming in iio_triggered_buffer_setup that seems to
have somehow ended up backwards (dates back a long way). Avoid the top
half and bottom half naming entirely given we are how dealing with a
handler and a thread in all cases.
* Tools cleanup including coding style, variable naming improvements, also
a new sanity check on a full event having been read.
* stk8ba50 - replace the scale table with a struct for clarity. Also suspend
the sensor if an error occurs in init.
* hid-sensor-prox - drop uneeded line break.
* mma9551 - use size in words for word read / write avoiding accidental
sending of an odd number of bytes.
* mma9553 - fix code alignment and document the use of a mutex.
* light/Kconfig - typo fix in commment.
* cm3323 - don't eat an error value, replace an unneeded local variable with
a generic local variable with the same use, add some blank lines for clarity.
* pressure/Kconfig - typo in Measurement Specialties name.
* bmc150-accel - actually use a mask definition rather than repeating the
value inline, code style cleanup.
* adc/Kconfig - general help description cleanup.
* ssp_sensors - drop redundant spi driver bus initialization (done in the
spi core)
* tmp006 - use genmask rather than hand generated masks.
* ms5611 - drop IIO_CHAN_INFO_SCALE as this driver provides a processed
output and as such the read only scale adds nothing useful.
* kxcjk-1013, adf4350, dummy - drop unwanted blank lines.
* Drop all owner assignments from i2c_drivers and this is done in the
i2c core.
* Fix a regression in hid sensors suspend time as a result of adding runtime
pm. The normal flow of waking up devices in order to go into suspend
(given the devices are normally suspended when not reading) to a regression
in suspend time on some laptops (reports of an additional 8 seconds).
Fix this by checking to see if a user action resulting in the wake up, and
make it a null operation if it didn't. Note that for hid sensors, there is
nothing useful to be done when moving into a full suspend from a runtime
suspend so they might as well be left alone.
* rochip_saradc: fix some missing MODULE_* data including the licence so that
the driver does not taint the kernel incorrectly and can build as a module.
* twl4030 - mark irq as oneshot as it always should have been.
* inv-mpu - write formats for attributes not specified, leading to miss
interpretation of the gyro scale channel when written.
* Proximity ABI clarification. This had snuck through as a mess. Some
drivers thought proximity went in one direction, some the other. We went
with the most common option, documented it and fixed up the drivers going
the other way. Fix for sx9500 included in this set.
* ad624r - fix a wrong shift in the output data.
* at91_adc - remove a false limit on the value of the STARTUP register
applied by too small a type for the device tree parameter.
* cm3323 - clear the bits when setting the integration time (otherwise
we can only ever set more bits in the relevant field).
* bmc150-accel - multiple triggers are registered, but on error were not being
unwound in the opposite order leading to removal of triggers that had not
yet successfully been registered (count down instead of up when unwinding).
* tcs3414 - ensure right part of val / val2 pair read so that the integration
time is not always 0.
* cc10001_adc - bug in kconfig dependency. Use of OR when AND was intended.
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Merge tag 'iio-fixes-for-4.2a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of IIO fixes for the 4.2 cycle.
* Fix a regression in hid sensors suspend time as a result of adding runtime
pm. The normal flow of waking up devices in order to go into suspend
(given the devices are normally suspended when not reading) to a regression
in suspend time on some laptops (reports of an additional 8 seconds).
Fix this by checking to see if a user action resulting in the wake up, and
make it a null operation if it didn't. Note that for hid sensors, there is
nothing useful to be done when moving into a full suspend from a runtime
suspend so they might as well be left alone.
* rochip_saradc: fix some missing MODULE_* data including the licence so that
the driver does not taint the kernel incorrectly and can build as a module.
* twl4030 - mark irq as oneshot as it always should have been.
* inv-mpu - write formats for attributes not specified, leading to miss
interpretation of the gyro scale channel when written.
* Proximity ABI clarification. This had snuck through as a mess. Some
drivers thought proximity went in one direction, some the other. We went
with the most common option, documented it and fixed up the drivers going
the other way. Fix for sx9500 included in this set.
* ad624r - fix a wrong shift in the output data.
* at91_adc - remove a false limit on the value of the STARTUP register
applied by too small a type for the device tree parameter.
* cm3323 - clear the bits when setting the integration time (otherwise
we can only ever set more bits in the relevant field).
* bmc150-accel - multiple triggers are registered, but on error were not being
unwound in the opposite order leading to removal of triggers that had not
yet successfully been registered (count down instead of up when unwinding).
* tcs3414 - ensure right part of val / val2 pair read so that the integration
time is not always 0.
* cc10001_adc - bug in kconfig dependency. Use of OR when AND was intended.
asus-wmi: Fan control
dell*: Add Dell airplane mode switch driver
ideapad-laptop: Platform rfkill fixes, and regression fix
pvpanic: Handle missing _STA correctly
toshiba*: Rafactor bluetooth support, haps documentation, driver cleanup
other: Use acpi_video_unregister_backlight instead of acpi_video_unregister in
serveral drivers.
Orphan msi-wmi.
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Merge tag 'platform-drivers-x86-v4.2-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"Fairly routine update for platform-drivers-x86.
Mostly fixes and cleanups, with a significant refactoring of toshiba*
drivers. Includes the addition of the dell-rbtn driver.
Details:
asus-wmi:
- fan control
dell*:
- add Dell airplane mode switch driver
ideapad-laptop:
- platform rfkill fixes, and regression fix
pvpanic:
- handle missing _STA correctly
toshiba*:
- rafactor bluetooth support
- haps documentation
- driver cleanup
other:
- Use acpi_video_unregister_backlight instead of
acpi_video_unregister in serveral drivers.
- Orphan msi-wmi.
* tag 'platform-drivers-x86-v4.2-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (24 commits)
MAINTAINERS: Orphan x86 driver msi-wmi
ideapad: fix software rfkill setting
dell-laptop: Use dell-rbtn instead i8042 filter when possible
dell-rbtn: Export notifier for other kernel modules
dell-rbtn: Dell Airplane Mode Switch driver
samsung-laptop: Use acpi_video_unregister_backlight instead of acpi_video_unregister
asus-wmi: Use acpi_video_unregister_backlight instead of acpi_video_unregister
apple_gmux: Use acpi_video_unregister_backlight instead of acpi_video_unregister
pvpanic: handle missing _STA correctly
ideapad_laptop: Lenovo G50-30 fix rfkill reports wireless blocked
asus-wmi: add fan control
Documentation/ABI: Add file describing the sysfs entries for toshiba_haps
toshiba_haps: Make use of DEVICE_ATTR_{RW, WO} macros
toshiba_haps: Replace sscanf with kstrtoint
toshiba_acpi: Bump driver version to 0.22
toshiba_acpi: Remove TOS_FAILURE check from some functions
toshiba_acpi: Comments cleanup
toshiba_acpi: Rename hci_{read, write}1 functions
toshiba_acpi: Remove no longer needed hci_{read, write}2 functions
toshiba_bluetooth: Change BT status message to debug
...
Pull security subsystem updates from James Morris:
"The main change in this kernel is Casey's generalized LSM stacking
work, which removes the hard-coding of Capabilities and Yama stacking,
allowing multiple arbitrary "small" LSMs to be stacked with a default
monolithic module (e.g. SELinux, Smack, AppArmor).
See
https://lwn.net/Articles/636056/
This will allow smaller, simpler LSMs to be incorporated into the
mainline kernel and arbitrarily stacked by users. Also, this is a
useful cleanup of the LSM code in its own right"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (38 commits)
tpm, tpm_crb: fix le64_to_cpu conversions in crb_acpi_add()
vTPM: set virtual device before passing to ibmvtpm_reset_crq
tpm_ibmvtpm: remove unneccessary message level.
ima: update builtin policies
ima: extend "mask" policy matching support
ima: add support for new "euid" policy condition
ima: fix ima_show_template_data_ascii()
Smack: freeing an error pointer in smk_write_revoke_subj()
selinux: fix setting of security labels on NFS
selinux: Remove unused permission definitions
selinux: enable genfscon labeling for sysfs and pstore files
selinux: enable per-file labeling for debugfs files.
selinux: update netlink socket classes
signals: don't abuse __flush_signals() in selinux_bprm_committed_creds()
selinux: Print 'sclass' as string when unrecognized netlink message occurs
Smack: allow multiple labels in onlycap
Smack: fix seq operations in smackfs
ima: pass iint to ima_add_violation()
ima: wrap event related data to the new ima_event_data structure
integrity: add validity checks for 'path' parameter
...
Here's the big USB patchset for 4.2-rc1. As is normal these days, the
majority of changes are in the gadget drivers, with a bunch of other
small driver changes.
All of these 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-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here's the big USB patchset for 4.2-rc1. As is normal these days, the
majority of changes are in the gadget drivers, with a bunch of other
small driver changes.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (175 commits)
usb: dwc3: Use ASCII space in Kconfig
usb: chipidea: add work-around for Marvell HSIC PHY startup
usb: chipidea: allow multiple instances to use default ci_default_pdata
dt-bindings: Consolidate ChipIdea USB ci13xxx bindings
phy: add Marvell HSIC 28nm PHY
phy: Add Marvell USB 2.0 OTG 28nm PHY
dt-bindings: Add Marvell PXA1928 USB and HSIC PHY bindings
USB: ssb: use devm_kzalloc
USB: ssb: fix error handling in ssb_hcd_create_pdev()
usb: isp1760: check for null return from kzalloc
cdc-acm: Add support of ATOL FPrint fiscal printers
usb: chipidea: usbmisc_imx: Remove unneeded semicolon
USB: usbtmc: add device quirk for Rigol DS6104
USB: serial: mos7840: Use setup_timer
phy: twl4030-usb: add ABI documentation
phy: twl4030-usb: remove incorrect pm_runtime_get_sync() in probe function.
phy: twl4030-usb: remove pointless 'suspended' test in 'suspend' callback.
phy: twl4030-usb: make runtime pm more reliable.
drivers:usb:fsl: Fix compilation error for fsl ehci drv
usb: renesas_usbhs: Don't disable the pipe if Control write status stage
...
Here's the big, really big, staging tree patches for 4.2-rc1.
Loads of stuff in here, almost all just coding style fixes / churn, and
a few new drivers as well, one of which I just disabled from the build a
few minutes ago due to way too many build warnings.
Other than the one "disable this driver" patch, all of these have been
in linux-next for quite a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here's the big, really big, staging tree patches for 4.2-rc1.
Loads of stuff in here, almost all just coding style fixes / churn,
and a few new drivers as well, one of which I just disabled from the
build a few minutes ago due to way too many build warnings.
Other than the one "disable this driver" patch, all of these have been
in linux-next for quite a while with no reported issues"
* tag 'staging-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1163 commits)
staging: wilc1000: disable driver due to build warnings
Staging: rts5208: fix CHANGE_LINK_STATE value
Staging: sm750fb: ddk750_swi2c.c: Insert spaces before parenthesis
Staging: sm750fb: ddk750_swi2c.c: Place braces on correct lines
Staging: sm750fb: ddk750_swi2c.c: Insert spaces around operators
Staging: sm750fb: ddk750_swi2c.c: Replace spaces with tabs
Staging: sm750fb: ddk750_swi2c.h: Shorten lines to under 80 characters
Staging: sm750fb: ddk750_swi2c.h: Replace spaces with tabs
Staging: sm750fb: modedb.h: Shorten lines to under 80 characters
Staging: sm750fb: modedb.h: Replace spaces with tabs
staging: comedi: addi_apci_3120: rename 'this_board' variables
staging: comedi: addi_apci_1516: rename 'this_board' variables
staging: comedi: ni_atmio: cleanup ni_getboardtype()
staging: comedi: vmk80xx: sanity check context used to get the boardinfo
staging: comedi: vmk80xx: rename 'boardinfo' variables
staging: comedi: dt3000: rename 'this_board' variables
staging: comedi: adv_pci_dio: rename 'this_board' variables
staging: comedi: cb_pcidas64: rename 'thisboard' variables
staging: comedi: cb_pcidas: rename 'thisboard' variables
staging: comedi: me4000: rename 'thisboard' variables
...
Here is the driver core / firmware changes for 4.2-rc1.
A number of small changes all over the place in the driver core, and in
the firmware subsystem. Nothing really major, full details in the
shortlog. Some of it is a bit of churn, given that the platform driver
probing changes was found to not work well, so they were reverted.
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 'driver-core-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the driver core / firmware changes for 4.2-rc1.
A number of small changes all over the place in the driver core, and
in the firmware subsystem. Nothing really major, full details in the
shortlog. Some of it is a bit of churn, given that the platform
driver probing changes was found to not work well, so they were
reverted.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (31 commits)
Revert "base/platform: Only insert MEM and IO resources"
Revert "base/platform: Continue on insert_resource() error"
Revert "of/platform: Use platform_device interface"
Revert "base/platform: Remove code duplication"
firmware: add missing kfree for work on async call
fs: sysfs: don't pass count == 0 to bin file readers
base:dd - Fix for typo in comment to function driver_deferred_probe_trigger().
base/platform: Remove code duplication
of/platform: Use platform_device interface
base/platform: Continue on insert_resource() error
base/platform: Only insert MEM and IO resources
firmware: use const for remaining firmware names
firmware: fix possible use after free on name on asynchronous request
firmware: check for file truncation on direct firmware loading
firmware: fix __getname() missing failure check
drivers: of/base: move of_init to driver_init
drivers/base: cacheinfo: fix annoying typo when DT nodes are absent
sysfs: disambiguate between "error code" and "failure" in comments
driver-core: fix build for !CONFIG_MODULES
driver-core: make __device_attach() static
...
Here's the big char/misc driver pull request for 4.2-rc1.
Lots of mei, extcon, coresight, uio, mic, and other driver updates in
here. Full details in the shortlog. All of these have been in
linux-next for some time with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here's the big char/misc driver pull request for 4.2-rc1.
Lots of mei, extcon, coresight, uio, mic, and other driver updates in
here. Full details in the shortlog. All of these have been in
linux-next for some time with no reported problems"
* tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (176 commits)
mei: me: wait for power gating exit confirmation
mei: reset flow control on the last client disconnection
MAINTAINERS: mei: add mei_cl_bus.h to maintained file list
misc: sram: sort and clean up included headers
misc: sram: move reserved block logic out of probe function
misc: sram: add private struct device and virt_base members
misc: sram: report correct SRAM pool size
misc: sram: bump error message level on unclean driver unbinding
misc: sram: fix device node reference leak on error
misc: sram: fix enabled clock leak on error path
misc: mic: Fix reported static checker warning
misc: mic: Fix randconfig build error by including errno.h
uio: pruss: Drop depends on ARCH_DAVINCI_DA850 from config
uio: pruss: Add CONFIG_HAS_IOMEM dependence
uio: pruss: Include <linux/sizes.h>
extcon: Redefine the unique id of supported external connectors without 'enum extcon' type
char:xilinx_hwicap:buffer_icap - change 1/0 to true/false for bool type variable in function buffer_icap_set_configuration().
Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion
parport: check exclusive access before register
w1: use correct lock on error in w1_seq_show()
...
Merge second patchbomb from Andrew Morton:
- most of the rest of MM
- lots of misc things
- procfs updates
- printk feature work
- updates to get_maintainer, MAINTAINERS, checkpatch
- lib/ updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (96 commits)
exit,stats: /* obey this comment */
coredump: add __printf attribute to cn_*printf functions
coredump: use from_kuid/kgid when formatting corename
fs/reiserfs: remove unneeded cast
NILFS2: support NFSv2 export
fs/befs/btree.c: remove unneeded initializations
fs/minix: remove unneeded cast
init/do_mounts.c: add create_dev() failure log
kasan: remove duplicate definition of the macro KASAN_FREE_PAGE
fs/efs: femove unneeded cast
checkpatch: emit "NOTE: <types>" message only once after multiple files
checkpatch: emit an error when there's a diff in a changelog
checkpatch: validate MODULE_LICENSE content
checkpatch: add multi-line handling for PREFER_ETHER_ADDR_COPY
checkpatch: suggest using eth_zero_addr() and eth_broadcast_addr()
checkpatch: fix processing of MEMSET issues
checkpatch: suggest using ether_addr_equal*()
checkpatch: avoid NOT_UNIFIED_DIFF errors on cover-letter.patch files
checkpatch: remove local from codespell path
checkpatch: add --showfile to allow input via pipe to show filenames
...
Pull DMI updates from Jean Delvare:
"The most important change is the new sysfs interface to the DMI table,
which will let user-space tools (such as dmidecode) access the table
without relying on /dev/mem"
* 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
firmware: dmi: struct dmi_header should be packed
firmware: dmi_scan: Coding style cleanups
Documentation: ABI: sysfs-firmware-dmi: add -entries suffix to file name
firmware: dmi_scan: add SBMIOS entry and DMI tables
firmware: dmi_scan: Trim DMI table length before exporting it
firmware: dmi_scan: Rename dmi_table to dmi_decode_table
firmware: dmi: List my quilt tree
firmware: dmi_scan: Only honor end-of-table for 64-bit tables
printk log_buf keeps various metadata for each message including its
sequence number and timestamp. The metadata is currently available only
through /dev/kmsg and stripped out before passed onto console drivers. We
want this metadata to be available to console drivers too so that console
consumers can get full information including the metadata and dictionary,
which among other things can be used to detect whether messages got lost
in transit.
This patch implements support for extended console drivers. Consoles can
indicate that they want extended messages by setting the new CON_EXTENDED
flag and they'll be fed messages formatted the same way as /dev/kmsg.
"<level>,<sequnum>,<timestamp>,<contflag>;<message text>\n"
If extended consoles exist, in-kernel fragment assembly is disabled. This
ensures that all messages emitted to consoles have full metadata including
sequence number. The contflag carries enough information to reassemble
the fragments from the reader side trivially. Note that this only affects
/dev/kmsg. Regular console and /proc/kmsg outputs are not affected by
this change.
* Extended message formatting for console drivers is enabled iff there
are registered extended consoles.
* Comment describing /dev/kmsg message format updated to add missing
contflag field and help distinguishing variable from verbatim terms.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Miller <davem@davemloft.net>
Cc: Kay Sievers <kay@vrfy.org>
Reviewed-by: Petr Mladek <pmladek@suse.cz>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
pratyush.anand@st.com email-id doesn't exist anymore as I have left the
company. Replace ST's id with pratyush.anand@gmail.com.
Signed-off-by: Pratyush Anand <pratyush.anand@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We currently don't support on-demand device creation. The one and only
way to have N zram devices is to specify num_devices module parameter
(default value: 1). IOW if, for some reason, at some point, user wants
to have N + 1 devies he/she must umount all the existing devices, unload
the module, load the module passing num_devices equals to N + 1. And do
this again, if needed.
This patch introduces zram control sysfs class, which has two sysfs
attrs:
- hot_add -- add a new zram device
- hot_remove -- remove a specific (device_id) zram device
hot_add sysfs attr is read-only and has only automatic device id
assignment mode (as requested by Minchan Kim). read operation performed
on this attr creates a new zram device and returns back its device_id or
error status.
Usage example:
# add a new specific zram device
cat /sys/class/zram-control/hot_add
2
# remove a specific zram device
echo 4 > /sys/class/zram-control/hot_remove
Returning zram_add() error code back to user (-ENOMEM in this case)
cat /sys/class/zram-control/hot_add
cat: /sys/class/zram-control/hot_add: Cannot allocate memory
NOTE, there might be users who already depend on the fact that at least
zram0 device gets always created by zram_init(). Preserve this behavior.
[minchan@kernel.org: use zram->claim to avoid lockdep splat]
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull libata updates from Tejun Heo:
- a number of libata core changes to better support NCQ TRIM.
- ahci now supports MSI-X in single IRQ mode to support a new
controller which doesn't implement MSI or INTX.
- ahci now supports edge-triggered IRQ mode to support a new controller
which for some odd reason did edge-triggered IRQ.
- the usual controller support additions and changes.
* 'for-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (27 commits)
libata: Do not blacklist Micron M500DC
ata: ahci_mvebu: add suspend/resume support
ahci, msix: Fix build error for !PCI_MSI
ahci: Add support for Cavium's ThunderX host controller
ahci: Add generic MSI-X support for single interrupts to SATA PCI driver
libata: finally use __initconst in ata_parse_force_one()
drivers: ata: add support for Ceva sata host controller
devicetree:bindings: add devicetree bindings for ceva ahci
ahci: added support for Freescale AHCI sata
ahci: Store irq number in struct ahci_host_priv
ahci: Move interrupt enablement code to a separate function
Doc: libata: Fix spelling typo found in libata.xml
ata:sata_nv - Change 1 to true for bool type variable.
ata: add Broadcom AHCI SATA3 driver for STB chips
Documentation: devicetree: add Broadcom SATA binding
libata: Fix regression when the NCQ Send and Receive log page is absent
ata: hpt366: fix constant cast warning
ata: ahci_xgene: potential NULL dereference in probe
ata: ahci_xgene: Add AHCI Support for 2nd HW version of APM X-Gene SoC AHCI SATA Host controller.
libahci: Add support to handle HOST_IRQ_STAT as edge trigger latch.
...
The dmi-sysfs module adds DMI table structures entries under
/sys/firmware/dmi/entries only, so rename documentation file to
sysfs-firmware-dmi-entries as more appropriate. Without renaming it's
confusing to differ this from sysfs-firmware-dmi-tables that adds raw
DMI table and actually adds "dmi" kobject.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@globallogic.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Some utils, like dmidecode and smbios, need to access SMBIOS entry
table area in order to get information like SMBIOS version, size, etc.
Currently it's done via /dev/mem. But for situation when /dev/mem
usage is disabled, the utils have to use dmi sysfs instead, which
doesn't represent SMBIOS entry and adds code/delay redundancy when direct
access for table is needed.
So this patch creates dmi/tables and adds SMBIOS entry point to allow
utils in question to work correctly without /dev/mem. Also patch adds
raw dmi table to simplify dmi table processing in user space, as
proposed by Jean Delvare.
Tested-by: Roy Franz <roy.franz@linaro.org>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@globallogic.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
The main thing here is Ingo's big subdirectory documenting feature support
for each architecture. Beyond that, it's the usual pile of fixes, tweaks,
and small additions.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux-2.6
Pull documentation updates from Jonathan Corbet:
"The main thing here is Ingo's big subdirectory documenting feature
support for each architecture. Beyond that, it's the usual pile of
fixes, tweaks, and small additions"
* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6: (79 commits)
doc:md: fix typo in md.txt.
Documentation/mic/mpssd: don't build x86 userspace when cross compiling
Documentation/prctl: don't build tsc tests when cross compiling
Documentation/vDSO: don't build tests when cross compiling
Doc:ABI/testing: Fix typo in sysfs-bus-fcoe
Doc: Docbook: Change wikipedia's URL from http to https in scsi.tmpl
Doc: Change wikipedia's URL from http to https
Documentation/kernel-parameters: add missing pciserial to the earlyprintk
Doc:pps: Fix typo in pps.txt
kbuild : Fix documentation of INSTALL_HDR_PATH
Documentation: filesystems: updated struct file_operations documentation in vfs.txt
kbuild: edit explanation of clean-files variable
Doc: ja_JP: Fix typo in HOWTO
Move freefall program from Documentation/ to tools/
Documentation: ARM: EXYNOS: Describe boot loaders interface
Doc:nfc: Fix typo in nfc-hci.txt
vfs: Minor documentation fix
Doc: networking: txtimestamp: fix printf format warning
Documentation, intel_pstate: Improve legacy mode internal governors description
Documentation: extend use case for EXPORT_SYMBOL_GPL()
...
Pull networking updates from David Miller:
1) Add TX fast path in mac80211, from Johannes Berg.
2) Add TSO/GRO support to ibmveth, from Thomas Falcon
3) Move away from cached routes in ipv6, just like ipv4, from Martin
KaFai Lau.
4) Lots of new rhashtable tests, from Thomas Graf.
5) Run ingress qdisc lockless, from Alexei Starovoitov.
6) Allow servers to fetch TCP packet headers for SYN packets of new
connections, for fingerprinting. From Eric Dumazet.
7) Add mode parameter to pktgen, for testing receive. From Alexei
Starovoitov.
8) Cache access optimizations via simplifications of build_skb(), from
Alexander Duyck.
9) Move page frag allocator under mm/, also from Alexander.
10) Add xmit_more support to hv_netvsc, from KY Srinivasan.
11) Add a counter guard in case we try to perform endless reclassify
loops in the packet scheduler.
12) Extern flow dissector to be programmable and use it in new "Flower"
classifier. From Jiri Pirko.
13) AF_PACKET fanout rollover fixes, performance improvements, and new
statistics. From Willem de Bruijn.
14) Add netdev driver for GENEVE tunnels, from John W Linville.
15) Add ingress netfilter hooks and filtering, from Pablo Neira Ayuso.
16) Fix handling of epoll edge triggers in TCP, from Eric Dumazet.
17) Add an ECN retry fallback for the initial TCP handshake, from Daniel
Borkmann.
18) Add tail call support to BPF, from Alexei Starovoitov.
19) Add several pktgen helper scripts, from Jesper Dangaard Brouer.
20) Add zerocopy support to AF_UNIX, from Hannes Frederic Sowa.
21) Favor even port numbers for allocation to connect() requests, and
odd port numbers for bind(0), in an effort to help avoid
ip_local_port_range exhaustion. From Eric Dumazet.
22) Add Cavium ThunderX driver, from Sunil Goutham.
23) Allow bpf programs to access skb_iif and dev->ifindex SKB metadata,
from Alexei Starovoitov.
24) Add support for T6 chips in cxgb4vf driver, from Hariprasad Shenai.
25) Double TCP Small Queues default to 256K to accomodate situations
like the XEN driver and wireless aggregation. From Wei Liu.
26) Add more entropy inputs to flow dissector, from Tom Herbert.
27) Add CDG congestion control algorithm to TCP, from Kenneth Klette
Jonassen.
28) Convert ipset over to RCU locking, from Jozsef Kadlecsik.
29) Track and act upon link status of ipv4 route nexthops, from Andy
Gospodarek.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1670 commits)
bridge: vlan: flush the dynamically learned entries on port vlan delete
bridge: multicast: add a comment to br_port_state_selection about blocking state
net: inet_diag: export IPV6_V6ONLY sockopt
stmmac: troubleshoot unexpected bits in des0 & des1
net: ipv4 sysctl option to ignore routes when nexthop link is down
net: track link-status of ipv4 nexthops
net: switchdev: ignore unsupported bridge flags
net: Cavium: Fix MAC address setting in shutdown state
drivers: net: xgene: fix for ACPI support without ACPI
ip: report the original address of ICMP messages
net/mlx5e: Prefetch skb data on RX
net/mlx5e: Pop cq outside mlx5e_get_cqe
net/mlx5e: Remove mlx5e_cq.sqrq back-pointer
net/mlx5e: Remove extra spaces
net/mlx5e: Avoid TX CQE generation if more xmit packets expected
net/mlx5e: Avoid redundant dev_kfree_skb() upon NOP completion
net/mlx5e: Remove re-assignment of wq type in mlx5e_enable_rq()
net/mlx5e: Use skb_shinfo(skb)->gso_segs rather than counting them
net/mlx5e: Static mapping of netdev priv resources to/from netdev TX queues
net/mlx4_en: Use HW counters for rx/tx bytes/packets in PF device
...
- Disable the 32-bit vdso when building LE, so we can build with a 64-bit only
toolchain.
- EEH fixes from Gavin & Richard.
- Enable the sys_kcmp syscall from Laurent.
- Sysfs control for fastsleep workaround from Shreyas.
- Expose OPAL events as an irq chip by Alistair.
- MSI ops moved to pci_controller_ops by Daniel.
- Fix for kernel to userspace backtraces for perf from Anton.
- Merge pseries and pseries_le defconfigs from Cyril.
- CXL in-kernel API from Mikey.
- OPAL prd driver from Jeremy.
- Fix for DSCR handling & tests from Anshuman.
- Powernv flash mtd driver from Cyril.
- Dynamic DMA Window support on powernv from Alexey.
- LLVM clang fixes & workarounds from Anton.
- Reworked version of the patch to abort syscalls when transactional.
- Fix the swap encoding to support 4TB, from Aneesh.
- Various fixes as usual.
- Freescale updates from Scott: Highlights include more 8xx optimizations, an
e6500 hugetlb optimization, QMan device tree nodes, t1024/t1023 support, and
various fixes and cleanup.
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Merge tag 'powerpc-4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux
Pull powerpc updates from Michael Ellerman:
- disable the 32-bit vdso when building LE, so we can build with a
64-bit only toolchain.
- EEH fixes from Gavin & Richard.
- enable the sys_kcmp syscall from Laurent.
- sysfs control for fastsleep workaround from Shreyas.
- expose OPAL events as an irq chip by Alistair.
- MSI ops moved to pci_controller_ops by Daniel.
- fix for kernel to userspace backtraces for perf from Anton.
- merge pseries and pseries_le defconfigs from Cyril.
- CXL in-kernel API from Mikey.
- OPAL prd driver from Jeremy.
- fix for DSCR handling & tests from Anshuman.
- Powernv flash mtd driver from Cyril.
- dynamic DMA Window support on powernv from Alexey.
- LLVM clang fixes & workarounds from Anton.
- reworked version of the patch to abort syscalls when transactional.
- fix the swap encoding to support 4TB, from Aneesh.
- various fixes as usual.
- Freescale updates from Scott: Highlights include more 8xx
optimizations, an e6500 hugetlb optimization, QMan device tree nodes,
t1024/t1023 support, and various fixes and cleanup.
* tag 'powerpc-4.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: (180 commits)
cxl: Fix typo in debug print
cxl: Add CXL_KERNEL_API config option
powerpc/powernv: Fix wrong IOMMU table in pnv_ioda_setup_bus_dma()
powerpc/mm: Change the swap encoding in pte.
powerpc/mm: PTE_RPN_MAX is not used, remove the same
powerpc/tm: Abort syscalls in active transactions
powerpc/iommu/ioda2: Enable compile with IOV=on and IOMMU_API=off
powerpc/include: Add opal-prd to installed uapi headers
powerpc/powernv: fix construction of opal PRD messages
powerpc/powernv: Increase opal-irqchip initcall priority
powerpc: Make doorbell check preemption safe
powerpc/powernv: pnv_init_idle_states() should only run on powernv
macintosh/nvram: Remove as unused
powerpc: Don't use gcc specific options on clang
powerpc: Don't use -mno-strict-align on clang
powerpc: Only use -mtraceback=no, -mno-string and -msoft-float if toolchain supports it
powerpc: Only use -mabi=altivec if toolchain supports it
powerpc: Fix duplicate const clang warning in user access code
vfio: powerpc/spapr: Support Dynamic DMA windows
vfio: powerpc/spapr: Register memory and define IOMMU v2
...
This is the usual grab bag of driver updates (lpfc, hpsa,
megaraid_sas, cxgbi, be2iscsi) plus an assortment of minor updates.
There are also one new driver: the Cisco snic; the advansys driver has
been rewritten to get rid of the warning about converting it to the
DMA API, the tape statistics patch got in and finally, there's a
resuffle of SCSI header files to separate more cleanly initiator from
target mode (and better share the common definitions).
Signed-off-by: James Bottomley <JBottomley@Odin.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:
"This is the usual grab bag of driver updates (lpfc, hpsa,
megaraid_sas, cxgbi, be2iscsi) plus an assortment of minor updates.
There is also one new driver: the Cisco snic. The advansys driver has
been rewritten to get rid of the warning about converting it to the
DMA API, the tape statistics patch got in and finally, there's a
resuffle of SCSI header files to separate more cleanly initiator from
target mode (and better share the common definitions)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (156 commits)
snic: driver for Cisco SCSI HBA
qla2xxx: Fix indentation
qla2xxx: Comment out unreachable code
fusion: remove dead MTRR code
advansys: fix compilation errors and warnings when CONFIG_PCI is not set
mptsas: fix depth param in scsi_track_queue_full
megaraid: fix irq setup process regression
lpfc: Update version to 10.7.0.0 for upstream patch set.
lpfc: Fix to drop PLOGIs from fabric node till LOGO processing completes
lpfc: Fix scsi task management error message.
lpfc: Fix cq_id masking problem.
lpfc: Fix scsi prep dma buf error.
lpfc: Add support for using block multi-queue
lpfc: Devices are not discovered during takeaway/giveback testing
lpfc: Fix vport deletion failure.
lpfc: Check for active portpeerbeacon.
lpfc: Update driver version for upstream patch set 10.6.0.1.
lpfc: Change buffer pool empty message to miscellaneous category
lpfc: Fix incorrect log message reported for empty FCF record.
lpfc: Fix rport leak.
...
Pull HID updates from Jiri Kosina:
- spurious power/wakeup sysfs files removal for I2C-HID devices, from
Andrew Duggan
- Logitech M560 support, from Goffredo Baroncelli
- a lot of housekeeping cleanups to hid-lg4ff driver, from Michal Maly
- improved support for Plantronics devices, from Terry Junge
- Sony Motion Controller and Navigation Controller support and
subsequent cleanups of hid-sony driver, from Frank Praznik and Simon
Wood
- HW support improvements to the Wacom driver, from Jason Gerecke and
Ping Cheng
- assorted small cleanups and device ID additions all over the place
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (69 commits)
HID: cypress: use swap() in cp_report_fixup()
HID: microsoft: Add Surface Power Cover
HID: hid-sony: Fix report descriptor for Navigation Controller
HID: hid-sony: Navigation controller only has 1 LED and no rumble
HID: hid-sony: Add BT support for Navigation Controller
HID: wacom: Introduce new 'touch_input' device
HID: wacom: Split apart 'wacom_setup_pentouch_input_capabilites'
HID: wacom: Introduce a new WACOM_DEVICETYPE_PAD device_type
HID: wacom: Treat features->device_type values as flags
HID: wacom: Simplify 'wacom_update_name'
HID: rmi: Disable populating F30 when the touchpad has physical buttons
HID: plantronics: Update to map volume up/down controls
HID: sony: PS Move fix report descriptor
HID: sony: PS3 Move enable LEDs and Rumble via BT
HID: sony: Add support PS3 Move Battery via BT
HID: sony: Add quirk for MOTION_CONTROLLER_BT
HID: sony: Support PS3 Move Controller when connected via Bluetooth
HID: i2c-hid: Do not set the ACPI companion field in the HID device
usb, HID: Remove Vernier devices from lsusb and hid_ignore_list
HID: hidpp: Add driver for mouse logitech M560
...
This patch fix some spelling typo in sysfs-bus-fcoe
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The current "mask" policy option matches files opened as MAY_READ,
MAY_WRITE, MAY_APPEND or MAY_EXEC. This patch extends the "mask"
option to match files opened containing one of these modes. For
example, "mask=^MAY_READ" would match files opened read-write.
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: Dr. Greg Wettstein <gw@idfusion.org>
Cc: stable@vger.kernel.org
The new "euid" policy condition measures files with the specified
effective uid (euid). In addition, for CAP_SETUID files it measures
files with the specified uid or suid.
Changelog:
- fixed checkpatch.pl warnings
- fixed avc denied {setuid} messages - based on Roberto's feedback
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: Dr. Greg Wettstein <gw@idfusion.org>
Cc: stable@vger.kernel.org
Current description for proximity measurement is ambiguous. While
the first part says that proximity is measured by observing
reflectivity, the second part incorrectly infers that reported values
should behave like a distance.
This is because of AS3935 lightning sensor which uses the proximity
API, while not being a true proximity sensor.
Note this is marked for stable as it accompanies a fix in ABI usage
to the sx9500 driver which would otherwise appear to be correct.
Fixes: 614e8842dd ("iio: ABI: add clarification for proximity")
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Added some more *scale_available attributes to the list that
are used in various drivers but were missiong from Documentation.
Signed-off-by: Adriana Reus <adriana.reus@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Given Linus announced a 4.8rc coming up, hopefully time for one more
lot of IIO patches this cycle. Some of these are actually
improvements / fixes for patches earlier in the cycle.
New device support
* st_accel driver - support devices with 8 bit channels.
Cleanup
* A general cleanup of the iio tools under /tools/ from Hartmut.
I'm more than a little embarassed by how bad some of these were! Are well,
much more refined and less bug prone now.
These cover lots of stuff like unhandled error returns, memory leaks as
well as general refactoring to tidy the code up.
* iio_simple_dummy - fix memory leaks in the init functions, drop some
pointless error returns from functions that never generate errors and
make the module parameter explicitly unsigned.
* More buffer handling reworks from Lars-Peter, this time targetting hardware
buffers (a little used corner that looks likely to get more use in the near
future). Specifically:
- Always compute the masklength as inkernel buffer users may need it.
- Add a means of labeling which buffer modes a given buffer implementation
supports.
- In the case of hardware buffers, require strict scan matching rather than
matching to a superset. Currently the demux is bypassed by these drivers
(this may well not change for efficiency reasons) so allowing a superset
of channels to be selected would otherwise lead to more data than requested
confusing userspace.
Driver funcationality improvments
* mmc35240 - adds a compensation to the raw values as borrowed form Memsic's
own input driver.
* mma8452
- event support
- event debouncing
- high pass filter configuration
- triggers
* vf610 - allow conversion mode to be adjusted
Fixlets
* mmc35240
- Off by one error that by coincidence had no real effect.
- i2c_device_name should be lowercase.
- Lack of null terminator at end of attributes array.
- Avoid computing the fractional part of the magnetic field by moving
the scaling into userspace where floating point is available to simplify
the maths.
- Use a smaller sleep before assuming the measurement is done. This is
safe and improves the possible polling rate.
- Fix sensitivity on z-axis - datasheet disagrees with Memsic's releasedd
code and the value used in the code seems to be correct.
* stk3310 - make a local variable signed to ensure error handling works.
* twl4030
- fix calculation of the temperature sense current - bug unlikely
to have ever been noticed as the difference is small.
- Fix errors in descriptions.
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Merge tag 'iio-for-v4.2c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Third round of new IIO drivers, cleanups and functionality for the 4.2 cycle.
Given Linus announced a 4.8rc coming up, hopefully time for one more
lot of IIO patches this cycle. Some of these are actually
improvements / fixes for patches earlier in the cycle.
New device support
* st_accel driver - support devices with 8 bit channels.
Cleanup
* A general cleanup of the iio tools under /tools/ from Hartmut.
I'm more than a little embarassed by how bad some of these were! Are well,
much more refined and less bug prone now.
These cover lots of stuff like unhandled error returns, memory leaks as
well as general refactoring to tidy the code up.
* iio_simple_dummy - fix memory leaks in the init functions, drop some
pointless error returns from functions that never generate errors and
make the module parameter explicitly unsigned.
* More buffer handling reworks from Lars-Peter, this time targetting hardware
buffers (a little used corner that looks likely to get more use in the near
future). Specifically:
- Always compute the masklength as inkernel buffer users may need it.
- Add a means of labeling which buffer modes a given buffer implementation
supports.
- In the case of hardware buffers, require strict scan matching rather than
matching to a superset. Currently the demux is bypassed by these drivers
(this may well not change for efficiency reasons) so allowing a superset
of channels to be selected would otherwise lead to more data than requested
confusing userspace.
Driver funcationality improvments
* mmc35240 - adds a compensation to the raw values as borrowed form Memsic's
own input driver.
* mma8452
- event support
- event debouncing
- high pass filter configuration
- triggers
* vf610 - allow conversion mode to be adjusted
Fixlets
* mmc35240
- Off by one error that by coincidence had no real effect.
- i2c_device_name should be lowercase.
- Lack of null terminator at end of attributes array.
- Avoid computing the fractional part of the magnetic field by moving
the scaling into userspace where floating point is available to simplify
the maths.
- Use a smaller sleep before assuming the measurement is done. This is
safe and improves the possible polling rate.
- Fix sensitivity on z-axis - datasheet disagrees with Memsic's releasedd
code and the value used in the code seems to be correct.
* stk3310 - make a local variable signed to ensure error handling works.
* twl4030
- fix calculation of the temperature sense current - bug unlikely
to have ever been noticed as the difference is small.
- Fix errors in descriptions.
This resolves a merge issue in musb_core.c and we want the fixes that
were in Linus's tree in this branch as well for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Support configurable conversion mode through sysfs. So far, the
mode used was low-power, which is enabled by default now. Beside
that, the modes normal and high-speed are selectable as well.
Use the new device tree property which specifies the maximum ADC
conversion clock frequencies. Depending on the mode used, the
available resulting conversion frequency are calculated
dynamically.
Acked-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Now that libcxl is public, let's document it.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Export the "AFU Error Buffer" via sysfs attribute (afu_err_buf). AFU
error buffer is used by the AFU to report application specific
errors. The contents of this buffer are AFU specific and are intended to
be interpreted by the application interacting with the afu.
Suggested-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This patch implements tape statistics in the st module via
sysfs. Current no statistics are available for tape I/O and there
is no easy way to reuse the block layer statistics for tape
as tape is a character device and does not have perform I/O in
sector sized chunks (the size of the data written to tape
can change). For tapes we also need extra stats related to
things like tape movement (via other I/O).
There have been multiple end users requesting statistics
including AT&T (and some HP customers who have not given
permission to be named). It is impossible for them
to investigate any issues related to tape performance
in a non-invasive way.
[jejb: eliminate PRId64]
Signed-off-by: Shane Seymour <shane.seymour@hp.com>
Tested-by: Shane Seymour <shane.seymour@hp.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
instead of returning '1' to indicate error - Dan Carpenter
* New support to expose the EFI System Resource Tables in sysfs, which
provides information for performing firmware updates - Peter Jones
* Documentation cleanup in the EFI handover protocol section which
falsely claimed that 'cmdline_size' needed to be filled out by the
boot loader - Alex Smith
* Align the order of SMBIOS tables in /sys/firmware/efi/systab to match
the way that we do things for ACPI and add documentation to
Documentation/ABI - Jean Delvare
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Merge tag 'efi-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into x86/efi
Pull EFI changes from Matt Fleming:
- Use idiomatic negative error values in efivar_create_sysfs_entry()
instead of returning '1' to indicate error. (Dan Carpenter)
- Implement new support to expose the EFI System Resource Tables in sysfs,
which provides information for performing firmware updates. (Peter Jones)
- Documentation cleanup in the EFI handover protocol section which
falsely claimed that 'cmdline_size' needed to be filled out by the
boot loader. (Alex Smith)
- Align the order of SMBIOS tables in /sys/firmware/efi/systab to match
the way that we do things for ACPI and add documentation to
Documentation/ABI. (Jean Delvare)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Conflicts:
drivers/net/phy/amd-xgbe-phy.c
drivers/net/wireless/iwlwifi/Kconfig
include/net/mac80211.h
iwlwifi/Kconfig and mac80211.h were both trivial overlapping
changes.
The drivers/net/phy/amd-xgbe-phy.c file got removed in 'net-next' and
the bug fix that happened on the 'net' side is already integrated
into the rest of the amd-xgbe driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
This driver device one local attribute: vbus.
Describe that in Documentation/ABI/testing/sysfs-platform/twl4030-usb.
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
It's not clear right now that the order in which entries are displayed
in /sys/firmware/efi/systab actually forms an ABI that userspace tools
rely upon.
Document the ABI along with the userspace tool that cares.
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ivan Khoronzhuk <ivan.khoronzhuk@globallogic.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
s/hierarcy/hierarchy/
Maybe the typo will annoy people enough so that they add the missing
nodes to their device-tree files, but I still think this is better off
fixed.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Export name and uuid via sysfs and uevent
Cc: linux-api@vger.kernel.org
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In order to automate modules matching add device uuid
which is reported in client enumeration, keep also
the name that is needed in for nfc distinguishing radio vendor
Report mei:name:uuid
Cc: linux-api@vger.kernel.org
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
ETM ID registers contain valuable information about the capabilities
of the implementation and are very useful when configuring the device for
various trace scenarios.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Having access to the ETMv4 management registers is very useful as they
give meaningful information on how the IP block has been configured at
synthesis time.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding sysfs entries to control the selection of the resources the
trace unit will use as triggers to perform a trace run.
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding sysfs entries related to the counter functionality, more
specifically to set, control and reload the counters.
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding sysfs entries to access the sequencers related registers,
more specifically the sequencer state, the sequencer state
transition and the sequencer reset control registers.
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding sysfs entries to control the various mode the address comparator
registers can enact, i.e, start/top, single, and range. Also supplementing
with address comparator types configuration registers access, mandatory
to complete the configuration of the comparator functions.
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding sysfs entries to configure:
. global timestamp.
. how often trace synchronisation occur.
. the threashold value for cycle counting.
. branch and broadcasting regions.
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding sysfs entries to:
. set the tracing entity with default values.
. set various mode associated to the tracing entity.
. select the processing entity the tracing entity relates to.
. select various events of interest.
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tracers can be configured with various options at synthesis
time and knowing what resources are available is important for
SW configuration purposes.
As such adding RO sysfs entries for characteristics related to the
tracer implementation.
Signed-off-by: Pratik Patel <pratikp@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
I/Q modifiers can be used to denote signals which are represented by a
in-phase and a quadrature component.
The ABI documentation describes the I and Q modifiers for current and
voltage channels for now as those will be the most likely users.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Include don't appraise or measure rules for the NSFS filesystem
in the builtin ima_tcb and ima_appraise_tcb policies.
Changelog:
- Update documentation
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: stable@vger.kernel.org # 3.19
This patch adds a rule in the default measurement policy to skip inodes
in the cgroupfs filesystem. Measurements for this filesystem can be
avoided, as all the digests collected have the same value of the digest of
an empty file.
Furthermore, this patch updates the documentation of IMA policies in
Documentation/ABI/testing/ima_policy to make it consistent with
the policies set in security/integrity/ima/ima_policy.c.
Signed-off-by: Roberto Sassu <rsassu@suse.de>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Add a high pass filter attribute for measurements
(like the existing low pass)
Also add both high and low pass attributes for events.
Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch adds a new file describing the sysfs entries for the
toshiba_haps driver.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Some magnetometers can perform a number of repetitions in HW
for each measurement to increase accuracy. One example is
Bosch BMC150:
http://ae-bst.resource.bosch.com/media/products/dokumente/bmc150/BST-BMC150-DS000-04.pdf.
Introduce an interface to set the oversampling ratio
for these devices.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
New drivers / device support
* st sensors driver, lsm303dlh magnetometer support.
* ltr501 - support ltr301 and ltr559 chips.
New functionality
* IIO_CHAN_INFO_CALIBEMISSIVITY for thermopile sensors.
* kxcjk1013 - make driver operational with external trigger.
* Add iio targets to the tools Makefile.
Cleanups
* st sensors - more helpful error message if device id wrong or irq request
fails, explicitly make the Block Data Update optional rather
than relying on writes to address 0 not doing anything, make interrupt
support optional (Not always wired, and not all devices actually have
an interrupt line.)
* kxcjk-1013 white space additions for readability, add the KXCJ9000 ACPI
id as seen in the wild.
* sx9500 - GPIO reset support, refactor the GPIO interrupt code, add power
management, optimize power usage by powering down when possible, rename
the gpio interrupt pin to be more useful, trivial return path simplification,
trivial formatting fixes.
* isl29018 - move towards ABI compliance with a view to moving this driver
out of staging, add some brackets to ensure code works as expected. Note
there is no actual bug as the condition being tested is always true
(with current devices).
* ltr501 - add regmap support to get caching etc for later patches,
fix a parameter sanity check that always fails (bug introduced
earlier in this series), ACPI enumeration support,
interrupt rate control support, interrupt support in general and
integration time control support, code alignment cleanups.
* mma9553 - a number of little cleanups following a review from Hartmut
after I'd already applied the original driver patch.
* tmp006 - prefix some defines with TMP006 for consistency.
* tsl4531 - cleanup some wrong prefixes, presumably from copy and paste.
* mlx90614 - check for errors in read values, add power management,
add emissivity setting, add device tree binding documentation,
fix a duplicate const warning.
* ti_am335x_adc - refactor the DT parsing into a separate function.
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Merge tag 'iio-for-v4.2a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First round of new drivers, functionality and cleanups for the 4.2 cycle
New drivers / device support
* st sensors driver, lsm303dlh magnetometer support.
* ltr501 - support ltr301 and ltr559 chips.
New functionality
* IIO_CHAN_INFO_CALIBEMISSIVITY for thermopile sensors.
* kxcjk1013 - make driver operational with external trigger.
* Add iio targets to the tools Makefile.
Cleanups
* st sensors - more helpful error message if device id wrong or irq request
fails, explicitly make the Block Data Update optional rather
than relying on writes to address 0 not doing anything, make interrupt
support optional (Not always wired, and not all devices actually have
an interrupt line.)
* kxcjk-1013 white space additions for readability, add the KXCJ9000 ACPI
id as seen in the wild.
* sx9500 - GPIO reset support, refactor the GPIO interrupt code, add power
management, optimize power usage by powering down when possible, rename
the gpio interrupt pin to be more useful, trivial return path simplification,
trivial formatting fixes.
* isl29018 - move towards ABI compliance with a view to moving this driver
out of staging, add some brackets to ensure code works as expected. Note
there is no actual bug as the condition being tested is always true
(with current devices).
* ltr501 - add regmap support to get caching etc for later patches,
fix a parameter sanity check that always fails (bug introduced
earlier in this series), ACPI enumeration support,
interrupt rate control support, interrupt support in general and
integration time control support, code alignment cleanups.
* mma9553 - a number of little cleanups following a review from Hartmut
after I'd already applied the original driver patch.
* tmp006 - prefix some defines with TMP006 for consistency.
* tsl4531 - cleanup some wrong prefixes, presumably from copy and paste.
* mlx90614 - check for errors in read values, add power management,
add emissivity setting, add device tree binding documentation,
fix a duplicate const warning.
* ti_am335x_adc - refactor the DT parsing into a separate function.
Update respective sysfs interface documentation
- Refer to the sysfs interface for "range" using "/sys/bus/..."
- Update contact email address
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
forced_unqueued indicates that a drive's queued DSM support is
broken. Update sysfs ABI documentation accordingly.
Reported-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
In our department we are using some older Janz ICAN3-modules in our dekstop
pcs. There we have slightly different carrier boards than the janz-cmodio
supported in the kernel sources, called CAN-PCI2 with two submodules. But the
pci configuration regions are identical. So extending the supported pci devices
to the corresponding device ids is sufficient to get the drivers working.
* The old ICAN3-modules with firmware 1.28 need more then 250ms for the restart
after reset. I've increased the timeout to 500ms.
* The janz_ican3 module uses the raw can services of the Janz-firmware, this
means firmware must be ICANOS/2. Our ICAN3-modules are equipped with
CAL/CANopen-firmware, so I must use the appropriate commands for the layer
management services.
Te driver detects the firmware after module reset and selects the commands
matching the firmware. This affects the bus on/off-command
(ican3_set_bus_state) and the configuration of the bittiming
(ican3_set_bittiming). For better diagnostics the detected firmware string is
presented as sysfs attribute (fwinfo).
Signed-off-by: Andreas Gröger <andreas24groeger@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This patch adds documentation for the existing sysfs entries for the janz PCI
module.
Signed-off-by: Andreas Gröger <andreas24groeger@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
BR_GROUPFWD_RESTRICTED bitmask restricts users from setting values to
/sys/class/net/brX/bridge/group_fwd_mask that allow forwarding of
some IEEE 802.1D Table 7-10 Reserved addresses:
(MAC Control) 802.3 01-80-C2-00-00-01
(Link Aggregation) 802.3 01-80-C2-00-00-02
802.1AB LLDP 01-80-C2-00-00-0E
Change BR_GROUPFWD_RESTRICTED to allow to forward LLDP frames and document
group_fwd_mask.
e.g.
echo 16384 > /sys/class/net/brX/bridge/group_fwd_mask
allows to forward LLDP frames.
This may be needed for bridge setups used for network troubleshooting or
any other scenario where forwarding of LLDP frames is desired (e.g. bridge
connecting a virtual machine to real switch transmitting LLDP frames that
virtual machine needs to receive).
Tested on a simple bridge setup with two interfaces and host transmitting
LLDP frames on one side of this bridge (used lldpd). Setting group_fwd_mask
as described above lets LLDP frames traverse bridge.
Signed-off-by: Bernhard Thaler <bernhard.thaler@wvnet.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
Create a sysfs "trim" attribute for each ata_device that displays
whether DSM TRIM is "unsupported", "unqueued", "forced_unqueued"
(blacklisted) or "queued".
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Add sysfs files for the EFI System Resource Table (ESRT) under
/sys/firmware/efi/esrt and for each EFI System Resource Entry under
entries/ as a subdir.
The EFI System Resource Table (ESRT) provides a read-only catalog of
system components for which the system accepts firmware upgrades via
UEFI's "Capsule Update" feature. This module allows userland utilities
to evaluate what firmware updates can be applied to this system, and
potentially arrange for those updates to occur.
The ESRT is described as part of the UEFI specification, in version 2.5
which should be available from http://uefi.org/specifications in early
2015. If you're a member of the UEFI Forum, information about its
addition to the standard is available as UEFI Mantis 1090.
For some hardware platforms, additional restrictions may be found at
http://msdn.microsoft.com/en-us/library/windows/hardware/jj128256.aspx ,
and additional documentation may be found at
http://download.microsoft.com/download/5/F/5/5F5D16CD-2530-4289-8019-94C6A20BED3C/windows-uefi-firmware-update-platform.docx
.
Signed-off-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
dell-laptop: Add support for keyboard backlight.
toshiba_acpi: Adaptive keyboard, hotkey, USB sleep and charge,
and backlight updates. Update sysfs documentation.
toshiba_bluetooth: Fix enabling/disabling loop on recent devices
apple-gmux: lock iGP IO to protect from vgaarb changes
other: Fix typos, clear gcc warnings, clarify pr_* messages,
correct return types, update MAINTAINERS.
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Merge tag 'platform-drivers-x86-v4.1-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver updates from Darren Hart:
"This series includes significant updates to the toshiba_acpi driver
and the reintroduction of the dell-laptop keyboard backlight additions
I had to revert previously. Also included are various fixes for
typos, warnings, correctness, and minor bugs.
Specifics:
dell-laptop:
- add support for keyboard backlight.
toshiba_acpi:
- adaptive keyboard, hotkey, USB sleep and charge, and backlight
updates. Update sysfs documentation.
toshiba_bluetooth:
- fix enabling/disabling loop on recent devices
apple-gmux:
- lock iGP IO to protect from vgaarb changes
other:
- Fix typos, clear gcc warnings, clarify pr_* messages, correct
return types, update MAINTAINERS"
* tag 'platform-drivers-x86-v4.1-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (25 commits)
toshiba_acpi: Do not register vendor backlight when acpi_video bl is available
MAINTAINERS: Add me on list of Dell laptop drivers
platform: x86: dell-laptop: Add support for keyboard backlight
Documentation/ABI: Update sysfs-driver-toshiba_acpi entry
toshiba_acpi: Fix pr_* messages from USB Sleep Functions
toshiba_acpi: Update and fix USB Sleep and Charge modes
wmi: Use bool function return values of true/false not 1/0
toshiba_bluetooth: Fix enabling/disabling loop on recent devices
toshiba_bluetooth: Clean up *_add function and disable BT device at removal
toshiba_bluetooth: Add three new functions to the driver
toshiba_acpi: Fix the enabling of the Special Functions
toshiba_acpi: Use the Hotkey Event Type function for keymap choosing
toshiba_acpi: Add Hotkey Event Type function and definitions
x86/wmi: delete unused wmi_data_lock mutex causing gcc warning
apple-gmux: lock iGP IO to protect from vgaarb changes
MAINTAINERS: Add missing Toshiba devices and add myself as maintainer
toshiba_acpi: Update events in toshiba_acpi_notify
intel-oaktrail: Fix trivial typo in comment
thinkpad_acpi: off by one in adaptive_keyboard_hotkey_notify_hotkey()
thinkpad_acpi: signedness bugs getting current_mode
...
* Add Kconfig option for keeping both the 'master' and 'partition' MTDs
registered as devices. This would really make a better default if we could
do it over, as it allows a lot more flexibility in (1) determining the flash
topology of the system from user-space and (2) adding temporary partitions
at runtime (ioctl(BLKPG)). Unfortunately, this would possibly cause
user-space breakage, as it will cause renumbering of the /dev/mtdX devices.
We'll see if we can change this in the future, as there have already been a
few people looking for this feature, and I know others have just been
working around our current limitations instead of fixing them this way.
* Along with the previous change, add some additional information to sysfs, so
user-space can read the offset of each partition within its master device
SPI NOR:
* add new device tree compatible binding to represent the mostly-compatible
class of SPI NOR flash which can be detected by their extended JEDEC ID
bytes, cutting down the duplication of our ID tables
* misc. new IDs
Various other miscellaneous fixes and changes
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Merge tag 'for-linus-20150422' of git://git.infradead.org/linux-mtd
Pull MTD updates from Brian Norris:
"Common MTD:
- Add Kconfig option for keeping both the 'master' and 'partition'
MTDs registered as devices. This would really make a better
default if we could do it over, as it allows a lot more flexibility
in (1) determining the flash topology of the system from user-space
and (2) adding temporary partitions at runtime (ioctl(BLKPG)).
Unfortunately, this would possibly cause user-space breakage, as it
will cause renumbering of the /dev/mtdX devices. We'll see if we
can change this in the future, as there have already been a few
people looking for this feature, and I know others have just been
working around our current limitations instead of fixing them this
way.
- Along with the previous change, add some additional information to
sysfs, so user-space can read the offset of each partition within
its master device
SPI NOR:
- add new device tree compatible binding to represent the
mostly-compatible class of SPI NOR flash which can be detected by
their extended JEDEC ID bytes, cutting down the duplication of our
ID tables
- misc. new IDs
Various other miscellaneous fixes and changes"
* tag 'for-linus-20150422' of git://git.infradead.org/linux-mtd: (53 commits)
mtd: spi-nor: Add support for Macronix mx25u6435f serial flash
mtd: spi-nor: Add support for Winbond w25q64dw serial flash
mtd: spi-nor: add support for the Winbond W25X05 flash
mtd: spi-nor: support en25s64 device
mtd: m25p80: bind to "nor-jedec" ID, for auto-detection
Documentation: devicetree: m25p80: add "nor-jedec" binding
mtd: Make MTD tests cancelable
mtd: mtd_oobtest: Fix bitflip_limit usage in test case 3
mtd: docg3: remove invalid __exit annotations
mtd: fsl_ifc_nand: use msecs_to_jiffies for time conversion
mtd: atmel_nand: don't map the ROM table if no pmecc table offset in DT
mtd: atmel_nand: add a definition for the oob reserved bytes
mtd: part: Remove partition overlap checks
mtd: part: Add sysfs variable for offset of partition
mtd: part: Create the master device node when partitioned
mtd: ts5500_flash: Fix typo in MODULE_DESCRIPTION in ts5500_flash.c
mtd: denali: Disable sub-page writes in Denali NAND driver
mtd: pxa3xx_nand: cleanup wait_for_completion handling
mtd: nand: gpmi: Check for scan_bbt() error
mtd: nand: gpmi: fixup return type of wait_for_completion_timeout
...
full blk-mq support to request-based DM.
- disabled by default but user can opt-in with CONFIG_DM_MQ_DEFAULT
- depends on some blk-mq changes from Jens' for-4.1/core branch so
that explains why this pull is built on linux-block.git
- Update DM to use name_to_dev_t() rather than open-coding a less
capable device parser.
- includes a couple small improvements to name_to_dev_t() that offer
stricter constraints that DM's code provided.
- Improvements to the dm-cache "mq" cache replacement policy.
- A DM crypt crypt_ctr() error path fix and an async crypto deadlock fix.
- A small efficiency improvement for DM crypt decryption by leveraging
immutable biovecs.
- Add error handling modes for corrupted blocks to DM verity.
- A new "log-writes" DM target from Josef Bacik that is meant for
file system developers to test file system integrity at particular
points in the life of a file system.
- A few DM log userspace cleanups and fixes.
- A few Documentation fixes (for thin, cache, crypt and switch).
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Merge tag 'dm-4.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- the most extensive changes this cycle are the DM core improvements to
add full blk-mq support to request-based DM.
- disabled by default but user can opt-in with CONFIG_DM_MQ_DEFAULT
- depends on some blk-mq changes from Jens' for-4.1/core branch so
that explains why this pull is built on linux-block.git
- update DM to use name_to_dev_t() rather than open-coding a less
capable device parser.
- includes a couple small improvements to name_to_dev_t() that offer
stricter constraints that DM's code provided.
- improvements to the dm-cache "mq" cache replacement policy.
- a DM crypt crypt_ctr() error path fix and an async crypto deadlock
fix
- a small efficiency improvement for DM crypt decryption by leveraging
immutable biovecs
- add error handling modes for corrupted blocks to DM verity
- a new "log-writes" DM target from Josef Bacik that is meant for file
system developers to test file system integrity at particular points
in the life of a file system
- a few DM log userspace cleanups and fixes
- a few Documentation fixes (for thin, cache, crypt and switch)
* tag 'dm-4.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (34 commits)
dm crypt: fix missing error code return from crypt_ctr error path
dm crypt: fix deadlock when async crypto algorithm returns -EBUSY
dm crypt: leverage immutable biovecs when decrypting on read
dm crypt: update URLs to new cryptsetup project page
dm: add log writes target
dm table: use bool function return values of true/false not 1/0
dm verity: add error handling modes for corrupted blocks
dm thin: remove stale 'trim' message documentation
dm delay: use msecs_to_jiffies for time conversion
dm log userspace base: fix compile warning
dm log userspace transfer: match wait_for_completion_timeout return type
dm table: fall back to getting device using name_to_dev_t()
init: stricter checking of major:minor root= values
init: export name_to_dev_t and mark name argument as const
dm: add 'use_blk_mq' module param and expose in per-device ro sysfs attr
dm: optimize dm_mq_queue_rq to _not_ use kthread if using pure blk-mq
dm: add full blk-mq support to request-based DM
dm: impose configurable deadline for dm_request_fn's merge heuristic
dm sysfs: introduce ability to add writable attributes
dm: don't start current request if it would've merged with the previous
...
- Numerous minor fixes, cleanups etc.
- More EEH work from Gavin to remove its dependency on device_nodes.
- Memory hotplug implemented entirely in the kernel from Nathan Fontenot.
- Removal of redundant CONFIG_PPC_OF by Kevin Hao.
- Rewrite of VPHN parsing logic & tests from Greg Kurz.
- A fix from Nish Aravamudan to reduce memory usage by clamping
nodes_possible_map.
- Support for pstore on powernv from Hari Bathini.
- Removal of old powerpc specific byte swap routines by David Gibson.
- Fix from Vasant Hegde to prevent the flash driver telling you it was flashing
your firmware when it wasn't.
- Patch from Ben Herrenschmidt to add an OPAL heartbeat driver.
- Fix for an oops causing get/put_cpu_var() imbalance in perf by Jan Stancek.
- Some fixes for migration from Tyrel Datwyler.
- A new syscall to switch the cpu endian by Michael Ellerman.
- Large series from Wei Yang to implement SRIOV, reviewed and acked by Bjorn.
- A fix for the OPAL sensor driver from Cédric Le Goater.
- Fixes to get STRICT_MM_TYPECHECKS building again by Michael Ellerman.
- Large series from Daniel Axtens to make our PCI hooks per PHB rather than per
machine.
- Small patch from Sam Bobroff to explicitly abort non-suspended transactions
on syscalls, plus a test to exercise it.
- Numerous reworks and fixes for the 24x7 PMU from Sukadev Bhattiprolu.
- Small patch to enable the hard lockup detector from Anton Blanchard.
- Fix from Dave Olson for missing L2 cache information on some CPUs.
- Some fixes from Michael Ellerman to get Cell machines booting again.
- Freescale updates from Scott: Highlights include BMan device tree nodes, an
MSI erratum workaround, a couple minor performance improvements, config
updates, and misc fixes/cleanup.
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Merge tag 'powerpc-4.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux
Pull powerpc updates from Michael Ellerman:
- Numerous minor fixes, cleanups etc.
- More EEH work from Gavin to remove its dependency on device_nodes.
- Memory hotplug implemented entirely in the kernel from Nathan
Fontenot.
- Removal of redundant CONFIG_PPC_OF by Kevin Hao.
- Rewrite of VPHN parsing logic & tests from Greg Kurz.
- A fix from Nish Aravamudan to reduce memory usage by clamping
nodes_possible_map.
- Support for pstore on powernv from Hari Bathini.
- Removal of old powerpc specific byte swap routines by David Gibson.
- Fix from Vasant Hegde to prevent the flash driver telling you it was
flashing your firmware when it wasn't.
- Patch from Ben Herrenschmidt to add an OPAL heartbeat driver.
- Fix for an oops causing get/put_cpu_var() imbalance in perf by Jan
Stancek.
- Some fixes for migration from Tyrel Datwyler.
- A new syscall to switch the cpu endian by Michael Ellerman.
- Large series from Wei Yang to implement SRIOV, reviewed and acked by
Bjorn.
- A fix for the OPAL sensor driver from Cédric Le Goater.
- Fixes to get STRICT_MM_TYPECHECKS building again by Michael Ellerman.
- Large series from Daniel Axtens to make our PCI hooks per PHB rather
than per machine.
- Small patch from Sam Bobroff to explicitly abort non-suspended
transactions on syscalls, plus a test to exercise it.
- Numerous reworks and fixes for the 24x7 PMU from Sukadev Bhattiprolu.
- Small patch to enable the hard lockup detector from Anton Blanchard.
- Fix from Dave Olson for missing L2 cache information on some CPUs.
- Some fixes from Michael Ellerman to get Cell machines booting again.
- Freescale updates from Scott: Highlights include BMan device tree
nodes, an MSI erratum workaround, a couple minor performance
improvements, config updates, and misc fixes/cleanup.
* tag 'powerpc-4.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: (196 commits)
powerpc/powermac: Fix build error seen with powermac smp builds
powerpc/pseries: Fix compile of memory hotplug without CONFIG_MEMORY_HOTREMOVE
powerpc: Remove PPC32 code from pseries specific find_and_init_phbs()
powerpc/cell: Fix iommu breakage caused by controller_ops change
powerpc/eeh: Fix crash in eeh_add_device_early() on Cell
powerpc/perf: Cap 64bit userspace backtraces to PERF_MAX_STACK_DEPTH
powerpc/perf/hv-24x7: Fail 24x7 initcall if create_events_from_catalog() fails
powerpc/pseries: Correct memory hotplug locking
powerpc: Fix missing L2 cache size in /sys/devices/system/cpu
powerpc: Add ppc64 hard lockup detector support
oprofile: Disable oprofile NMI timer on ppc64
powerpc/perf/hv-24x7: Add missing put_cpu_var()
powerpc/perf/hv-24x7: Break up single_24x7_request
powerpc/perf/hv-24x7: Define update_event_count()
powerpc/perf/hv-24x7: Whitespace cleanup
powerpc/perf/hv-24x7: Define add_event_to_24x7_request()
powerpc/perf/hv-24x7: Rename hv_24x7_event_update
powerpc/perf/hv-24x7: Move debug prints to separate function
powerpc/perf/hv-24x7: Drop event_24x7_request()
powerpc/perf/hv-24x7: Use pr_devel() to log message
...
Conflicts:
tools/testing/selftests/powerpc/Makefile
tools/testing/selftests/powerpc/tm/Makefile
Merge second patchbomb from Andrew Morton:
- the rest of MM
- various misc bits
- add ability to run /sbin/reboot at reboot time
- printk/vsprintf changes
- fiddle with seq_printf() return value
* akpm: (114 commits)
parisc: remove use of seq_printf return value
lru_cache: remove use of seq_printf return value
tracing: remove use of seq_printf return value
cgroup: remove use of seq_printf return value
proc: remove use of seq_printf return value
s390: remove use of seq_printf return value
cris fasttimer: remove use of seq_printf return value
cris: remove use of seq_printf return value
openrisc: remove use of seq_printf return value
ARM: plat-pxa: remove use of seq_printf return value
nios2: cpuinfo: remove use of seq_printf return value
microblaze: mb: remove use of seq_printf return value
ipc: remove use of seq_printf return value
rtc: remove use of seq_printf return value
power: wakeup: remove use of seq_printf return value
x86: mtrr: if: remove use of seq_printf return value
linux/bitmap.h: improve BITMAP_{LAST,FIRST}_WORD_MASK
MAINTAINERS: CREDITS: remove Stefano Brivio from B43
.mailmap: add Ricardo Ribalda
CREDITS: add Ricardo Ribalda Delgado
...
Per-device `zram<id>/mm_stat' file provides mm statistics of a particular
zram device in a format similar to block layer statistics. The file
consists of a single line and represents the following stats (separated by
whitespace):
orig_data_size
compr_data_size
mem_used_total
mem_limit
mem_used_max
zero_pages
num_migrated
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Per-device `zram<id>/io_stat' file provides accumulated I/O statistics of
particular zram device in a format similar to block layer statistics. The
file consists of a single line and represents the following stats
(separated by whitespace):
failed_reads
failed_writes
invalid_io
notify_free
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch introduces rework to zram stats. We have per-stat sysfs nodes,
and it makes things a bit hard to use in user space: it doesn't give an
immediate stats 'snapshot', it requires user space to use more syscalls -
open, read, close for every stat file, with appropriate error checks on
every step, etc.
First, zram now accounts block layer statistics, available in
/sys/block/zram<id>/stat and /proc/diskstats files. So some new stats are
available (see Documentation/block/stat.txt), besides, zram's activities
now can be monitored by sysstat's iostat or similar tools.
Example:
cat /sys/block/zram0/stat
248 0 1984 0 251029 0 2008232 5120 0 5116 5116
Second, group currently exported on per-stat basis nodes into two
categories (files):
-- zram<id>/io_stat
accumulates device's IO stats, that are not accounted by block layer,
and contains:
failed_reads
failed_writes
invalid_io
notify_free
Example:
cat /sys/block/zram0/io_stat
0 0 0 652572
-- zram<id>/mm_stat
accumulates zram mm stats and contains:
orig_data_size
compr_data_size
mem_used_total
mem_limit
mem_used_max
zero_pages
num_migrated
Example:
cat /sys/block/zram0/mm_stat
434634752 270288572 279158784 0 579895296 15060 0
per-stat sysfs nodes are now considered to be deprecated and we plan to
remove them (and clean up some of the existing stat code) in two years (as
of now, there is no warning printed to syslog about deprecated stats being
used). User space is advised to use the above mentioned 3 files.
This patch (of 7):
Remove sysfs `num_migrated' attribute. We are moving away from per-stat
device attrs towards 3 stat files that will accumulate io and mm stats in
a format similar to block layer statistics in /sys/block/<dev>/stat. That
will be easier to use in user space, and reduce the number of syscalls
needed to read zram device statistics.
`num_migrated' will return back in zram<id>/mm_stat file.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Now that zsmalloc supports compaction, zram can use it. For the first
step, this patch exports compact knob via sysfs so user can do compaction
via "echo 1 > /sys/block/zram0/compact".
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Juneho Choi <juno.choi@lge.com>
Cc: Gunho Lee <gunho.lee@lge.com>
Cc: Luigi Semenzato <semenzato@google.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Seth Jennings <sjennings@variantweb.net>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Jerome Marchand <jmarchan@redhat.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull LED subsystem updates from Bryan Wu:
"In this cycle, we merged some fix and update for LED Flash class
driver. Then the core code of LED Flash class driver is in the kernel
now. Moreover, we also got some bug fixes, code cleanup and new
drivers for LED controllers"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: Don't treat the LED name as a format string
leds: Use log level warn instead of info when telling about a name clash
leds/led-class: Handle LEDs with the same name
leds: lp8860: Fix typo in MODULE_DESCRIPTION in leds-lp8860.c
leds: lp8501: Fix typo in MODULE_DESCRIPTION in leds-lp8501.c
DT: leds: Add uniqueness requirement for 'label' property.
dt-binding: leds: Add common LED DT bindings macros
leds: add Qualcomm PM8941 WLED driver
leds: add DT binding for Qualcomm PM8941 WLED block
leds: pca963x: Add missing initialiation of struct led_info.flags
leds: flash: Fix the size of sysfs_groups array
Documentation: leds: Add description of LED Flash class extension
leds: flash: document sysfs interface
leds: flash: Remove synchronized flash strobe feature
leds: Introduce devres helper for led_classdev_register
leds: lp8860: make use of devm_gpiod_get_optional
leds: Let the binding document example for leds-gpio follow the gpio bindings
leds: flash: remove stray include directive
leds: leds-pwm: drop one pwm_get_period() call
Request-based DM's blk-mq support defaults to off; but a user can easily
change the default using the dm_mod.use_blk_mq module/boot option.
Also, you can check what mode a given request-based DM device is using
with: cat /sys/block/dm-X/dm/use_blk_mq
This change enabled further cleanup and reduced work (e.g. the
md->io_pool and md->rq_pool isn't created if using blk-mq).
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Otherwise, for sequential workloads, the dm_request_fn can allow
excessive request merging at the expense of increased service time.
Add a per-device sysfs attribute to allow the user to control how long a
request, that is a reasonable merge candidate, can be queued on the
request queue. The resolution of this request dispatch deadline is in
microseconds (ranging from 1 to 100000 usecs), to set a 20us deadline:
echo 20 > /sys/block/dm-7/dm/rq_based_seq_io_merge_deadline
The dm_request_fn's merge heuristic and associated extra accounting is
disabled by default (rq_based_seq_io_merge_deadline is 0).
This sysfs attribute is not applicable to bio-based DM devices so it
will only ever report 0 for them.
By allowing a request to remain on the queue it will block others
requests on the queue. But introducing a short dequeue delay has proven
very effective at enabling certain sequential IO workloads on really
fast, yet IOPS constrained, devices to build up slightly larger IOs --
yielding 90+% throughput improvements. Having precise control over the
time taken to wait for larger requests to build affords control beyond
that of waiting for certain IO sizes to accumulate (which would require
a deadline anyway). This knob will only ever make sense with sequential
IO workloads and the particular value used is storage configuration
specific.
Given the expected niche use-case for when this knob is useful it has
been deemed acceptable to expose this relatively crude method for
crafting optimal IO on specific storage -- especially given the solution
is simple yet effective. In the context of DM multipath, it is
advisable to tune this sysfs attribute to a value that offers the best
performance for the common case (e.g. if 4 paths are expected active,
tune for that; if paths fail then performance may be slightly reduced).
Alternatives were explored to have request-based DM autotune this value
(e.g. if/when paths fail) but they were quickly deemed too fragile and
complex to warrant further design and development time. If this problem
proves more common as faster storage emerges we'll have to look at
elevating a generic solution into the block core.
Tested-by: Shiva Krishna Merla <shivakrishna.merla@netapp.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Pull networking updates from David Miller:
1) Add BQL support to via-rhine, from Tino Reichardt.
2) Integrate SWITCHDEV layer support into the DSA layer, so DSA drivers
can support hw switch offloading. From Floria Fainelli.
3) Allow 'ip address' commands to initiate multicast group join/leave,
from Madhu Challa.
4) Many ipv4 FIB lookup optimizations from Alexander Duyck.
5) Support EBPF in cls_bpf classifier and act_bpf action, from Daniel
Borkmann.
6) Remove the ugly compat support in ARP for ugly layers like ax25,
rose, etc. And use this to clean up the neigh layer, then use it to
implement MPLS support. All from Eric Biederman.
7) Support L3 forwarding offloading in switches, from Scott Feldman.
8) Collapse the LOCAL and MAIN ipv4 FIB tables when possible, to speed
up route lookups even further. From Alexander Duyck.
9) Many improvements and bug fixes to the rhashtable implementation,
from Herbert Xu and Thomas Graf. In particular, in the case where
an rhashtable user bulk adds a large number of items into an empty
table, we expand the table much more sanely.
10) Don't make the tcp_metrics hash table per-namespace, from Eric
Biederman.
11) Extend EBPF to access SKB fields, from Alexei Starovoitov.
12) Split out new connection request sockets so that they can be
established in the main hash table. Much less false sharing since
hash lookups go direct to the request sockets instead of having to
go first to the listener then to the request socks hashed
underneath. From Eric Dumazet.
13) Add async I/O support for crytpo AF_ALG sockets, from Tadeusz Struk.
14) Support stable privacy address generation for RFC7217 in IPV6. From
Hannes Frederic Sowa.
15) Hash network namespace into IP frag IDs, also from Hannes Frederic
Sowa.
16) Convert PTP get/set methods to use 64-bit time, from Richard
Cochran.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1816 commits)
fm10k: Bump driver version to 0.15.2
fm10k: corrected VF multicast update
fm10k: mbx_update_max_size does not drop all oversized messages
fm10k: reset head instead of calling update_max_size
fm10k: renamed mbx_tx_dropped to mbx_tx_oversized
fm10k: update xcast mode before synchronizing multicast addresses
fm10k: start service timer on probe
fm10k: fix function header comment
fm10k: comment next_vf_mbx flow
fm10k: don't handle mailbox events in iov_event path and always process mailbox
fm10k: use separate workqueue for fm10k driver
fm10k: Set PF queues to unlimited bandwidth during virtualization
fm10k: expose tx_timeout_count as an ethtool stat
fm10k: only increment tx_timeout_count in Tx hang path
fm10k: remove extraneous "Reset interface" message
fm10k: separate PF only stats so that VF does not display them
fm10k: use hw->mac.max_queues for stats
fm10k: only show actual queues, not the maximum in hardware
fm10k: allow creation of VLAN on default vid
fm10k: fix unused warnings
...
Pull HID updates from Jiri Kosina:
- quite a few firmware fixes for RMI driver by Andrew Duggan
- huion and uclogic drivers have been substantially overlaping in
functionality laterly. This redundancy is fixed by hid-huion driver
being merged into hid-uclogic; work done by Benjamin Tissoires and
Nikolai Kondrashov
- i2c-hid now supports ACPI GPIO interrupts; patch from Mika Westerberg
- Some of the quirks, that got separated into individual drivers, have
historically had EXPERT dependency. As HID subsystem matured (as
well as the individual drivers), this made less and less sense. This
dependency is now being removed by patch from Jean Delvare
- Logitech lg4ff driver received a couple of improvements for mode
switching, by Michal Malý
- multitouch driver now supports clickpads, patches by Benjamin
Tissoires and Seth Forshee
- hid-sensor framework received a substantial update; namely support
for Custom and Generic pages is being added; work done by Srinivas
Pandruvada
- wacom driver received substantial update; it now supports
i2c-conntected devices (Mika Westerberg), Bamboo PADs are now
properly supported (Benjamin Tissoires), much improved battery
reporting (Jason Gerecke) and pen proximity cleanups (Ping Cheng)
- small assorted fixes and device ID additions
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (68 commits)
HID: sensor: Update document for custom sensor
HID: sensor: Custom and Generic sensor support
HID: debug: fix error handling in hid_debug_events_read()
Input - mt: Fix input_mt_get_slot_by_key
HID: logitech-hidpp: fix error return code
HID: wacom: Add support for Cintiq 13HD Touch
HID: logitech-hidpp: add a module parameter to keep firmware gestures
HID: usbhid: yet another mouse with ALWAYS_POLL
HID: usbhid: more mice with ALWAYS_POLL
HID: wacom: set stylus_in_proximity before checking touch_down
HID: wacom: use wacom_wac_finger_count_touches to set touch_down
HID: wacom: remove hardcoded WACOM_QUIRK_MULTI_INPUT
HID: pidff: effect can't be NULL
HID: add quirk for PIXART OEM mouse used by HP
HID: add HP OEM mouse to quirk ALWAYS_POLL
HID: wacom: ask for a in-prox report when it was missed
HID: hid-sensor-hub: Fix sparse warning
HID: hid-sensor-hub: fix attribute read for logical usage id
HID: plantronics: fix Kconfig default
HID: pidff: support more than one concurrent effect
...
Here's the big staging driver patchset for 4.1-rc1.
There's a lot of patches here, the Outreachy application period happened
during this development cycle, so that means that there was a lot of
cleanup patches accepted. Other than the normal coding style and sparse
fixes here, there are some driver updates and work toward making some of
the drivers into "mergable" shape (like the Unisys drivers.)
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here's the big staging driver patchset for 4.1-rc1.
There's a lot of patches here, the Outreachy application period
happened during this development cycle, so that means that there was a
lot of cleanup patches accepted. Other than the normal coding style
and sparse fixes here, there are some driver updates and work toward
making some of the drivers into "mergable" shape (like the Unisys
drivers.)
All of these have been in linux-next for a while"
* tag 'staging-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1214 commits)
staging: lustre: orthography & coding style
staging: lustre: lnet: lnet: fix error return code
staging: lustre: fix sparse warning
Revert "Staging: sm750fb: Fix C99 Comments"
Staging: rtl8192u: use correct array for debug output
staging: rtl8192e: Remove dead code
staging: rtl8192e: Comment cleanup (style/format)
staging: rtl8192e: Fix indentation in rtllib_rx_auth_resp()
staging: rtl8192e: Decrease nesting of rtllib_rx_auth_resp()
staging: rtl8192e: Divide rtllib_rx_auth()
staging: rtl8192e: Fix PRINTK_WITHOUT_KERN_LEVEL warnings
staging: rtl8192e: Fix DO_WHILE_MACRO_WITH_TRAILING_SEMICOLON warning
staging: rtl8192e: Fix BRACES warning
staging: rtl8192e: Fix LINE_CONTINUATIONS warning
staging: rtl8192e: Fix UNNECESSARY_PARENTHESES warnings
staging: rtl8192e: remove unused EXPORT_SYMBOL_RSL macro
staging: rtl8192e: Fix RETURN_VOID warnings
staging: rtl8192e: Fix UNNECESSARY_ELSE warning
staging: rtl8723au: Remove unneeded comments
staging: rtl8723au: Use __func__ in trace logs
...
Contact-less IR temperature sensors measure the temperature of an object
by using its thermal radiation. Surfaces with different emissivity
ratios emit different amounts of energy at the same temperature.
IIO_CHAN_INFO_CALIBEMISSIVITY allows the user to inform the sensor of the
emissivity of the object in front of it, in order to effectively measure
its temperature.
A device providing such setting is Melexis's MLX90614:
http://melexis.com/Assets/IR-sensor-thermometer-MLX90614-Datasheet-5152.aspx.
Signed-off-by: Vianney le Clément de Saint-Marcq <vianney.leclement@essensium.com>
Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch adds the support for the configuration of the keyboard
backlight on supported Dell laptops.
With this patch it is possible to set:
* keyboard backlight level
* timeout after which the backlight will be automatically turned off
* input activity triggers (keyboard, touchpad, mouse) that enable the backlight
* ambient light settings
The settings are exposed via /sys/class/leds/dell::kbd_backlight/
The code is based on the newly released documentation by Dell in the
libsmbios project.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch updates the sysfs-driver-toshiba_acpi entry, adding the
missing entries for USB Sleep functions.
And also, while at the neighborhood, fix some typos and add a note
that some features require a reboot.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
This patch makes a sysfs variable called 'offset' on each partition
which contains the offset in bytes from the beginning of the master
device that the partition starts.
Signed-off-by: Dan Ehrenberg <dehrenberg@chromium.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Kernel version for new ABI in 4.0 has been documented
as 3.20, since the changes have been merged before the kernel
version number change.
Change kernel version from 3.20 to 4.0.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Some devices have hardware buffers that can store a number of samples
for later consumption. Hardware usually provides interrupts to notify
the processor when the FIFO is full or when it has reached a certain
watermark level. This helps with reducing the number of interrupts to
the host processor and thus it helps decreasing the power consumption.
This patch enables usage of hardware FIFOs for IIO devices in
conjunction with software device buffers. When the hardware FIFO is
enabled the samples are stored in the hardware FIFO. The samples are
later flushed to the device software buffer when the number of entries
in the hardware FIFO reaches the hardware watermark or when a flush
operation is triggered by the user when doing a non-blocking read
on an empty software device buffer.
In order to implement hardware FIFO support the device drivers must
implement the following new operations: setting and getting the
hardware FIFO watermark level, flushing the hardware FIFO to the
software device buffer. The device must also expose information about
the hardware FIFO such it's minimum and maximum watermark and if
necessary a list of supported watermark values. Finally, the device
driver must activate the hardware FIFO when the device buffer is
enabled, if the current device settings allows it.
The software device buffer watermark is passed by the IIO core to the
device driver as a hint for the hardware FIFO watermark. The device
driver can adjust this value to allow for hardware limitations (such
as capping it to the maximum hardware watermark or adjust it to a
value that is supported by the hardware). It can also disable the
hardware watermark (and implicitly the hardware FIFO) it this value is
below the minimum hardware watermark.
Since a driver may support hardware FIFO only when not in triggered
buffer mode (due to different semantics of hardware FIFO sampling and
triggered sampling) this patch changes the IIO core code to allow
falling back to non-triggered buffered mode if no trigger is enabled.
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Currently the IIO buffer blocking read only wait until at least one
data element is available.
This patch makes the reader sleep until enough data is collected before
returning to userspace. This should limit the read() calls count when
trying to get data in batches.
Co-author: Yannick Bedhomme <yannick.bedhomme@mobile-devices.fr>
Signed-off-by: Josselin Costanzi <josselin.costanzi@mobile-devices.fr>
[rebased and remove buffer timeout]
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch adds ABI documentation entries for in_rot_offset.
At least one user for these is present that is the HID Sensors Driver.
Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patchset adds ABI documentation for the following attributes:
in_illuminance_scale, used atleast once in al3320a staging/iio/light/
in_illuminance_calibscale, used atleast once in cm32181
in_illuminance_input, used in cm3232 at least once
in_illuminance_raw used atleast once in al3320a
in_illuminance_clear_raw and in_illuminance_ir_raw exposed by
gp2ap020a00f with modifiers IIO_MOD_LIGHT_CLEAR and
IIO_MOD_LIGHT_IR respectively.
Signed-off-by: Darshana Padmadas <darshanapadmadas@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Fix the attribute name of the configuration record class ID.
Signed-off-by: Philippe Bergheaud <felix@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
New drivers
* CM3323 color sensor.
* MS5611 pressure and temperature sensor.
New functionality
* mup6050 - create mux clients for devices described via ACPI. The reasoning
and approach taken in this patch are complex. Basically there is no
otherway of finding out what is there than by some esoteric look ups in
the ACPI data.
* cm3232 - PM support
* itg3200 - suspend/resume support
* mcp320x - add more ADCs to the kconfig to reflect what the driver supports
(this patch and the bindings got left behind when the support was added
a while back).
Docs / utils
* ti-adc128s052 - DT bindings.
* mcp3422 - DT bindings.
* mcp320x - DT bindings
* ABI docs for event threshold scale attributes, in_magn_offset, proximity
scan_element and thresh falling/rising values for accelerometers. All
elements long in use that have slipped by being explicitly documented.
* Tidy up the tools previously in drivers/staging/iio/Documentation and move
them out to /tools/iio. Yet another move that should have happened long ago.
This time Roberta Dobrescu did the leg work. Thanks!
Core Cleanups
* Export userspace IIO headers. We should have done the appropriate header
splitting a long time ago. Thanks to Daniel for sorting this out.
* Refactor the registring of attributes for buffers to move all non-custom
ones to a vector allowing easier additions to the current set in the future.
Driver Cleanups
* gpiod related cleanups. Make use of the additional parameter to specify
initial direciton to avoid extra code.
* bmc150 - Various refactorings to reduce code repitition and prepare for
hardware buffer support. Some of these cleanups are good even
without the new functionality.
* kmx61 - direct use of index to an array avoiding a structure element which
was always the index to an element in an array of that structure.
* vf610 - avoid incorrect type for return from wait_for_completion_timeout.
* gp2ap020a00f - use put_unaligned_le32 for slight code simplification.
* ade7754 - improve error handling including suppressing some build warnings.
* ade7759 - improve error handling including suppressing some build warnings.
* hmc5843 - Long line and indentation fixes. Also some constifying of various
constant data.
* ade7854 - 80+ character line splitting.
* ad2s1210 - fix wrong printf format string.
* mxs-lradc - fix wrong printf format string.
* ade7954-i2c - code alignment fixes and other trivial but worthwhile bits.
* periodic rtc trigger - make the frequency type an unsigned int as it
is always treated as such.
* jsa1212 - constify struct regmap_config as it is constant.
* ad7793 - typo in the MODULE_DESCRIPTION
* mma9551 - check gpiod_to_irq errors. Note that this doesn't actually cause
any trouble but is worth tidying up as obviously incorrect.
* mlx90614 - refactor the register symbols to make it clear which reads are to
RAM not PROM.
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Merge tag 'iio-for-4.1a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of new drivers, cleanups and functionality for IIO in the 4.1 cycle.
New drivers
* CM3323 color sensor.
* MS5611 pressure and temperature sensor.
New functionality
* mup6050 - create mux clients for devices described via ACPI. The reasoning
and approach taken in this patch are complex. Basically there is no
otherway of finding out what is there than by some esoteric look ups in
the ACPI data.
* cm3232 - PM support
* itg3200 - suspend/resume support
* mcp320x - add more ADCs to the kconfig to reflect what the driver supports
(this patch and the bindings got left behind when the support was added
a while back).
Docs / utils
* ti-adc128s052 - DT bindings.
* mcp3422 - DT bindings.
* mcp320x - DT bindings
* ABI docs for event threshold scale attributes, in_magn_offset, proximity
scan_element and thresh falling/rising values for accelerometers. All
elements long in use that have slipped by being explicitly documented.
* Tidy up the tools previously in drivers/staging/iio/Documentation and move
them out to /tools/iio. Yet another move that should have happened long ago.
This time Roberta Dobrescu did the leg work. Thanks!
Core Cleanups
* Export userspace IIO headers. We should have done the appropriate header
splitting a long time ago. Thanks to Daniel for sorting this out.
* Refactor the registring of attributes for buffers to move all non-custom
ones to a vector allowing easier additions to the current set in the future.
Driver Cleanups
* gpiod related cleanups. Make use of the additional parameter to specify
initial direciton to avoid extra code.
* bmc150 - Various refactorings to reduce code repitition and prepare for
hardware buffer support. Some of these cleanups are good even
without the new functionality.
* kmx61 - direct use of index to an array avoiding a structure element which
was always the index to an element in an array of that structure.
* vf610 - avoid incorrect type for return from wait_for_completion_timeout.
* gp2ap020a00f - use put_unaligned_le32 for slight code simplification.
* ade7754 - improve error handling including suppressing some build warnings.
* ade7759 - improve error handling including suppressing some build warnings.
* hmc5843 - Long line and indentation fixes. Also some constifying of various
constant data.
* ade7854 - 80+ character line splitting.
* ad2s1210 - fix wrong printf format string.
* mxs-lradc - fix wrong printf format string.
* ade7954-i2c - code alignment fixes and other trivial but worthwhile bits.
* periodic rtc trigger - make the frequency type an unsigned int as it
is always treated as such.
* jsa1212 - constify struct regmap_config as it is constant.
* ad7793 - typo in the MODULE_DESCRIPTION
* mma9551 - check gpiod_to_irq errors. Note that this doesn't actually cause
any trouble but is worth tidying up as obviously incorrect.
* mlx90614 - refactor the register symbols to make it clear which reads are to
RAM not PROM.
Similar to port id allow netdevices to specify port names and export
the name via sysfs. Drivers can implement the netdevice operation to
assist udev in having sane default names for the devices using the
rule:
$ cat /etc/udev/rules.d/80-net-setup-link.rules
SUBSYSTEM=="net", ACTION=="add", ATTR{phys_port_name}!="",
NAME="$attr{phys_port_name}"
Use of phys_name versus phys_id was suggested-by Jiri Pirko.
Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds a tx_maxrate attribute to the tx queue sysfs entry allowing
for max-rate limiting. Along with DCB-ETS and BQL this provides another
knob to tune queue performance. The limit units are Mbps.
By default it is disabled. To disable the rate limitation after it
has been set for a queue, it should be set to zero.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds ABI documentation entries for
in_accel_thresh_falling_value, and in_accel_thresh_rising_value in /events.
There is at least one user for these, lis3l02dq in accel.
Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch adds ABI documentation entries for in_proximity_en,
in_proximity_type, and in_proximity_index in the scan_elements directory.
At least one user for these is present, the AS3935 Franklin lightning sensor.
Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch adds ABI documentation entries for in_magn_offset.
There is one user, hid-sensor-magn-3d in drivers/iio/magnetometer.
Signed-off-by: Darshana Padmadas <darshanapadmadas@gmail.com>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Add support for configfs interface so that f_printer can be used as a
component of usb gadgets composed with it.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Add a documentation of LED Flash class specific sysfs attributes.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit exposes in sysfs the HID country code that is stored in the country
member of hid_device structure. It identifies the country code of localized
hardware.
For example some keyboards use it to exhibit the language of the key layout. It
helps the upper layer to identify the localized hardware and setup the correct
language to use.
For USB HID devices the country code comes for the HID descriptor and for
Bluetooth HID devices it is the HIDCountryCode attribute from the SDP database.
Signed-off-by: Olivier Gay <ogay@logitech.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
toshiba_acpi: Add support for missing features from the Windows driver,
bump the sysfs version, and clean up the driver.
thinkpad_acpi: BIOS string versions, unhandled hkey events.
samsung-laptop: Add native backlight quirk, enable better lid handling.
intel_scu_ipc: Read resources from PCI configuration
other: Fix sparse warnings, general cleanups.
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Merge tag 'platform-drivers-x86-v3.20-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull platform driver update from Darren Hart:
"This includes a significant update to the toshiba_acpi driver,
bringing it to feature parity with the Windows driver, followed by
some needed cleanups.
The other changes are mostly minor updates, quirks, sparse fixes, or
cleanups.
Details:
- toshiba_acpi:
Add support for missing features from the Windows driver, bump the
sysfs version, and clean up the driver.
- thinkpad_acpi:
BIOS string versions, unhandled hkey events.
- msamsung-laptop:
Add native backlight quirk, enable better lid handling.
- intel_scu_ipc:
Read resources from PCI configuration
- other:
Fix sparse warnings, general cleanups"
* tag 'platform-drivers-x86-v3.20-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (34 commits)
toshiba_acpi: Cleanup GPL header
toshiba_acpi: Cleanup comment blocks and capitalization
toshiba_acpi: Make use of DEVICE_ATTR_{RO, RW} macros
toshiba_acpi: Drop the toshiba_ prefix from sysfs function names
toshiba_acpi: Move sysfs function and struct declarations further down
Documentation/ABI: Add file describing the sysfs entries for toshiba_acpi
toshiba_acpi: Clean file according to coding style
toshiba_acpi: Bump version number to 0.21
toshiba_acpi: Add support to enable/disable USB 3
toshiba_acpi: Add support for Panel Power ON
toshiba_acpi: Add support for Keyboard functions mode
toshiba_acpi: Add fan entry to sysfs
toshiba_acpi: Add version entry to sysfs
thinkpad_acpi: support new BIOS version string pattern
thinkpad_acpi: unhandled hkey event
toshiba_acpi: Make toshiba_eco_mode_available more robust
classmate-laptop: Fix sparse warning (0 as NULL)
Sony-laptop: Fix sparse warning (make undeclared var static)
thinkpad_acpi.c: Fix sparse warning (make undeclared var static)
samsung-laptop.c: Prefer kstrtoint over single variable sscanf
...
Allow switching of Logitech gaming wheels between available compatibility modes
through sysfs. This only applies to multimode wheels.
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Tested-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Display the real wheel model and supported alternate modes through sysfs. This
applies only to multimode wheels.
Signed-off-by: Michal Malý <madcatxster@devoid-pointer.net>
Tested-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Here's the big staging driver tree update for 3.20-rc1. Lots of little
things in here, adding up to lots of overall cleanups. The IIO driver
updates are also in here as they cross the staging tree boundry a lot.
I2O has moved into staging as well, as a plan to drop it from the tree
eventually as that's a dead subsystem.
All of this has been in linux-next with no reported issues for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging drivers patches from Greg KH:
"Here's the big staging driver tree update for 3.20-rc1.
Lots of little things in here, adding up to lots of overall cleanups.
The IIO driver updates are also in here as they cross the staging tree
boundry a lot. I2O has moved into staging as well, as a plan to drop
it from the tree eventually as that's a dead subsystem.
All of this has been in linux-next with no reported issues for a
while"
* tag 'staging-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (740 commits)
staging: lustre: lustre: libcfs: define symbols as static
staging: rtl8712: Do coding style cleanup
staging: lustre: make obd_updatemax_lock static
staging: rtl8188eu: core: switch with redundant cases
staging: rtl8188eu: odm: conditional setting with no effect
staging: rtl8188eu: odm: condition with no effect
staging: ft1000: fix braces warning
staging: sm7xxfb: fix remaining CamelCase
staging: sm7xxfb: fix CamelCase
staging: rtl8723au: multiple condition with no effect - if identical to else
staging: sm7xxfb: make smtc_scr_info static
staging/lustre/mdc: Initialize req in mdc_enqueue for !it case
staging/lustre/clio: Do not allow group locks with gid 0
staging/lustre/llite: don't add to page cache upon failure
staging/lustre/llite: Add exception entry check after radix_tree
staging/lustre/libcfs: protect kkuc_groups from write access
staging/lustre/fld: refer to MDT0 for fld lookup in some cases
staging/lustre/llite: Solve a race to access lli_has_smd in read case
staging/lustre/ptlrpc: hold rq_lock when modify rq_flags
staging/lustre/lnet: portal spreading rotor should be unsigned
...
Here's the big pull request for the USB driver tree for 3.20-rc1.
Nothing major happening here, just lots of gadget driver updates, new
device ids, and a bunch of 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 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg KH:
"Here's the big pull request for the USB driver tree for 3.20-rc1.
Nothing major happening here, just lots of gadget driver updates, new
device ids, and a bunch of cleanups.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits)
usb: musb: fix device hotplug behind hub
usb: dwc2: Fix a bug in reading the endpoint directions from reg.
staging: emxx_udc: fix the build error
usb: Retry port status check on resume to work around RH bugs
Revert "usb: Reset USB-3 devices on USB-3 link bounce"
uhci-hub: use HUB_CHAR_*
usb: kconfig: replace PPC_OF with PPC
ehci-pci: disable for Intel MID platforms (update)
usb: gadget: Kconfig: use bool instead of boolean
usb: musb: blackfin: remove incorrect __exit_p()
USB: fix use-after-free bug in usb_hcd_unlink_urb()
ehci-pci: disable for Intel MID platforms
usb: host: pci_quirks: joing string literals
USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd)
USB: usbfs: allow URBs to be reaped after disconnection
cdc-acm: kill unnecessary messages
cdc-acm: add sanity checks
usb: phy: phy-generic: Fix USB PHY gpio reset
usb: dwc2: fix USB core dependencies
usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel()
...
Pull f2fs updates from Jaegeuk Kim:
"Major changes are to:
- add f2fs_io_tracer and F2FS_IOC_GETVERSION
- fix wrong acl assignment from parent
- fix accessing wrong data blocks
- fix wrong condition check for f2fs_sync_fs
- align start block address for direct_io
- add and refactor the readahead flows of FS metadata
- refactor atomic and volatile write policies
But most of patches are for clean-ups and minor bug fixes. Some of
them refactor old code too"
* tag 'for-f2fs-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (64 commits)
f2fs: use spinlock for segmap_lock instead of rwlock
f2fs: fix accessing wrong indexed data blocks
f2fs: avoid variable length array
f2fs: fix sparse warnings
f2fs: allocate data blocks in advance for f2fs_direct_IO
f2fs: introduce macros to convert bytes and blocks in f2fs
f2fs: call set_buffer_new for get_block
f2fs: check node page contents all the time
f2fs: avoid data offset overflow when lseeking huge file
f2fs: fix to use highmem for pages of newly created directory
f2fs: introduce a batched trim
f2fs: merge {invalidate,release}page for meta/node/data pages
f2fs: show the number of writeback pages in stat
f2fs: keep PagePrivate during releasepage
f2fs: should fail mount when trying to recover data on read-only dev
f2fs: split UMOUNT and FASTBOOT flags
f2fs: avoid write_checkpoint if f2fs is mounted readonly
f2fs: support norecovery mount option
f2fs: fix not to drop mount options when retrying fill_super
f2fs: merge flags in struct f2fs_sb_info
...
Pull ARM updates from Russell King:
- clang assembly fixes from Ard
- optimisations and cleanups for Aurora L2 cache support
- efficient L2 cache support for secure monitor API on Exynos SoCs
- debug menu cleanup from Daniel Thompson to allow better behaviour for
multiplatform kernels
- StrongARM SA11x0 conversion to irq domains, and pxa_timer
- kprobes updates for older ARM CPUs
- move probes support out of arch/arm/kernel to arch/arm/probes
- add inline asm support for the rbit (reverse bits) instruction
- provide an ARM mode secondary CPU entry point (for Qualcomm CPUs)
- remove the unused ARMv3 user access code
- add driver_override support to AMBA Primecell bus
* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (55 commits)
ARM: 8256/1: driver coamba: add device binding path 'driver_override'
ARM: 8301/1: qcom: Use secondary_startup_arm()
ARM: 8302/1: Add a secondary_startup that assumes ARM mode
ARM: 8300/1: teach __asmeq that r11 == fp and r12 == ip
ARM: kprobes: Fix compilation error caused by superfluous '*'
ARM: 8297/1: cache-l2x0: optimize aurora range operations
ARM: 8296/1: cache-l2x0: clean up aurora cache handling
ARM: 8284/1: sa1100: clear RCSR_SMR on resume
ARM: 8283/1: sa1100: collie: clear PWER register on machine init
ARM: 8282/1: sa1100: use handle_domain_irq
ARM: 8281/1: sa1100: move GPIO-related IRQ code to gpio driver
ARM: 8280/1: sa1100: switch to irq_domain_add_simple()
ARM: 8279/1: sa1100: merge both GPIO irqdomains
ARM: 8278/1: sa1100: split irq handling for low GPIOs
ARM: 8291/1: replace magic number with PAGE_SHIFT macro in fixup_pv code
ARM: 8290/1: decompressor: fix a wrong comment
ARM: 8286/1: mm: Fix dma_contiguous_reserve comment
ARM: 8248/1: pm: remove outdated comment
ARM: 8274/1: Fix DEBUG_LL for multi-platform kernels (without PL01X)
ARM: 8273/1: Seperate DEBUG_UART_PHYS from DEBUG_LL on EP93XX
...
This patch adds a new file describing the sysfs entries for the
toshiba_acpi driver.
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Including:
- Update of all defconfigs
- Addition of a bunch of config options to modernise our defconfigs
- Some PS3 updates from Geoff
- Optimised memcmp for 64 bit from Anton
- Fix for kprobes that allows 'perf probe' to work from Naveen
- Several cxl updates from Ian & Ryan
- Expanded support for the '24x7' PMU from Cody & Sukadev
- Freescale updates from Scott:
"Highlights include 8xx optimizations, some more work on datapath device
tree content, e300 machine check support, t1040 corenet error reporting,
and various cleanups and fixes."
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Merge tag 'powerpc-3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux
Pull powerpc updates from Michael Ellerman:
- Update of all defconfigs
- Addition of a bunch of config options to modernise our defconfigs
- Some PS3 updates from Geoff
- Optimised memcmp for 64 bit from Anton
- Fix for kprobes that allows 'perf probe' to work from Naveen
- Several cxl updates from Ian & Ryan
- Expanded support for the '24x7' PMU from Cody & Sukadev
- Freescale updates from Scott:
"Highlights include 8xx optimizations, some more work on datapath
device tree content, e300 machine check support, t1040 corenet
error reporting, and various cleanups and fixes"
* tag 'powerpc-3.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: (102 commits)
cxl: Add missing return statement after handling AFU errror
cxl: Fail AFU initialisation if an invalid configuration record is found
cxl: Export optional AFU configuration record in sysfs
powerpc/mm: Warn on flushing tlb page in kernel context
powerpc/powernv: Add OPAL soft-poweroff routine
powerpc/perf/hv-24x7: Document sysfs event description entries
powerpc/perf/hv-gpci: add the remaining gpci requests
powerpc/perf/{hv-gpci, hv-common}: generate requests with counters annotated
powerpc/perf/hv-24x7: parse catalog and populate sysfs with events
perf: define EVENT_DEFINE_RANGE_FORMAT_LITE helper
perf: add PMU_EVENT_ATTR_STRING() helper
perf: provide sysfs_show for struct perf_pmu_events_attr
powerpc/kernel: Avoid initializing device-tree pointer twice
powerpc: Remove old compile time disabled syscall tracing code
powerpc/kernel: Make syscall_exit a local label
cxl: Fix device_node reference counting
powerpc/mm: bail out early when flushing TLB page
powerpc: defconfigs: add MTD_SPI_NOR (new dependency for M25P80)
perf/powerpc: reset event hw state when adding it to the PMU
powerpc/qe: Use strlcpy()
...
This patch introduces a batched trimming feature, which submits split discard
commands.
This is to avoid long latency due to huge trim commands.
If fstrim was triggered ranging from 0 to the end of device, we should lock
all the checkpoint-related mutexes, resulting in very long latency.
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Pull input updates from Dmitry Torokhov:
"The first round of updates for the input subsystem.
A few new drivers (power button handler for AXP20x PMIC, tps65218
power button driver, sun4i keys driver, regulator haptic driver, NI
Ettus Research USRP E3x0 button, Alwinner A10/A20 PS/2 controller).
Updates to Synaptics and ALPS touchpad drivers (with more to come
later), brand new Focaltech PS/2 support, update to Cypress driver to
handle Gen5 (in addition to Gen3) devices, and number of other fixups
to various drivers as well as input core"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (54 commits)
Input: elan_i2c - fix wrong %p extension
Input: evdev - do not queue SYN_DROPPED if queue is empty
Input: gscps2 - fix MODULE_DEVICE_TABLE invocation
Input: synaptics - use dmax in input_mt_assign_slots
Input: pxa27x_keypad - remove unnecessary ARM includes
Input: ti_am335x_tsc - replace delta filtering with median filtering
ARM: dts: AM335x: Make charge delay a DT parameter for TSC
Input: ti_am335x_tsc - read charge delay from DT
Input: ti_am335x_tsc - remove udelay in interrupt handler
Input: ti_am335x_tsc - interchange touchscreen and ADC steps
Input: MT - add support for balanced slot assignment
Input: drv2667 - remove wrong and unneeded drv2667-haptics modalias
Input: drv260x - remove wrong and unneeded drv260x-haptics modalias
Input: cap11xx - remove wrong and unneeded cap11xx modalias
Input: sun4i-ts - add support for touchpanel controller on A31
Input: serio - add support for Alwinner A10/A20 PS/2 controller
Input: gtco - use sign_extend32() for sign extension
Input: elan_i2c - verify firmware signature applying it
Input: elantech - remove stale comment from Kconfig
Input: cyapa - off by one in cyapa_update_fw_store()
...
Pull live patching infrastructure from Jiri Kosina:
"Let me provide a bit of history first, before describing what is in
this pile.
Originally, there was kSplice as a standalone project that implemented
stop_machine()-based patching for the linux kernel. This project got
later acquired, and the current owner is providing live patching as a
proprietary service, without any intentions to have their
implementation merged.
Then, due to rising user/customer demand, both Red Hat and SUSE
started working on their own implementation (not knowing about each
other), and announced first versions roughly at the same time [1] [2].
The principle difference between the two solutions is how they are
making sure that the patching is performed in a consistent way when it
comes to different execution threads with respect to the semantic
nature of the change that is being introduced.
In a nutshell, kPatch is issuing stop_machine(), then looking at
stacks of all existing processess, and if it decides that the system
is in a state that can be patched safely, it proceeds insterting code
redirection machinery to the patched functions.
On the other hand, kGraft provides a per-thread consistency during one
single pass of a process through the kernel and performs a lazy
contignuous migration of threads from "unpatched" universe to the
"patched" one at safe checkpoints.
If interested in a more detailed discussion about the consistency
models and its possible combinations, please see the thread that
evolved around [3].
It pretty quickly became obvious to the interested parties that it's
absolutely impractical in this case to have several isolated solutions
for one task to co-exist in the kernel. During a dedicated Live
Kernel Patching track at LPC in Dusseldorf, all the interested parties
sat together and came up with a joint aproach that would work for both
distro vendors. Steven Rostedt took notes [4] from this meeting.
And the foundation for that aproach is what's present in this pull
request.
It provides a basic infrastructure for function "live patching" (i.e.
code redirection), including API for kernel modules containing the
actual patches, and API/ABI for userspace to be able to operate on the
patches (look up what patches are applied, enable/disable them, etc).
It's relatively simple and minimalistic, as it's making use of
existing kernel infrastructure (namely ftrace) as much as possible.
It's also self-contained, in a sense that it doesn't hook itself in
any other kernel subsystem (it doesn't even touch any other code).
It's now implemented for x86 only as a reference architecture, but
support for powerpc, s390 and arm is already in the works (adding
arch-specific support basically boils down to teaching ftrace about
regs-saving).
Once this common infrastructure gets merged, both Red Hat and SUSE
have agreed to immediately start porting their current solutions on
top of this, abandoning their out-of-tree code. The plan basically is
that each patch will be marked by flag(s) that would indicate which
consistency model it is willing to use (again, the details have been
sketched out already in the thread at [3]).
Before this happens, the current codebase can be used to patch a large
group of secruity/stability problems the patches for which are not too
complex (in a sense that they don't introduce non-trivial change of
function's return value semantics, they don't change layout of data
structures, etc) -- this corresponds to LEAVE_FUNCTION &&
SWITCH_FUNCTION semantics described at [3].
This tree has been in linux-next since December.
[1] https://lkml.org/lkml/2014/4/30/477
[2] https://lkml.org/lkml/2014/7/14/857
[3] https://lkml.org/lkml/2014/11/7/354
[4] http://linuxplumbersconf.org/2014/wp-content/uploads/2014/10/LPC2014_LivePatching.txt
[ The core code is introduced by the three commits authored by Seth
Jennings, which got a lot of changes incorporated during numerous
respins and reviews of the initial implementation. All the followup
commits have materialized only after public tree has been created,
so they were not folded into initial three commits so that the
public tree doesn't get rebased ]"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: add missing newline to error message
livepatch: rename config to CONFIG_LIVEPATCH
livepatch: fix uninitialized return value
livepatch: support for repatching a function
livepatch: enforce patch stacking semantics
livepatch: change ARCH_HAVE_LIVE_PATCHING to HAVE_LIVE_PATCHING
livepatch: fix deferred module patching order
livepatch: handle ancient compilers with more grace
livepatch: kconfig: use bool instead of boolean
livepatch: samples: fix usage example comments
livepatch: MAINTAINERS: add git tree location
livepatch: use FTRACE_OPS_FL_IPMODIFY
livepatch: move x86 specific ftrace handler code to arch/x86
livepatch: samples: add sample live patching module
livepatch: kernel: add support for live patching
livepatch: kernel: add TAINT_LIVEPATCH
Some Samsung laptops with SABI3 delay the sleep for 10 seconds after
the lid is closed and do not wake up from sleep after the lid is opened.
A SABI command is needed to enable the better behavior.
Command = 0x6e, d0 = 0x81 enables this behavior. Returns d0 = 0x01.
Command = 0x6e, d0 = 0x80 disables this behavior. Returns d0 = 0x00.
Command = 0x6d and any d0 queries the state. This returns:
d0 = 0x00000*01, d1 = 0x00, d2 = 0x00, d3 = 0x0* when it is enabled.
d0 = 0x00000*00, d1 = 0x00, d2 = 0x00, d3 = 0x0* when it is disabled.
Where * is 0 - laptop has never slept or hibernated after switch on,
1 - laptop has hibernated just before,
2 - laptop has slept just before.
Patch addresses bug https://bugzilla.kernel.org/show_bug.cgi?id=75901 .
It adds a sysfs attribute lid_handling with a description and also an
addition to the quirks structure to enable the mode by default.
A user with another laptop in the bug report says that "power button has
to be pressed twice to wake the machine" when he or she enabled the mode
manually using the SABI command. Therefore, it is enabled by default
only for the single laptop that I have tested.
Signed-off-by: Julijonas Kikutis <julijonas.kikutis@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
An AFU may optionally contain one or more PCIe like configuration
records, which can be used to identify the AFU.
This patch adds support for exposing the raw config space and the
vendor, device and class code under sysfs. These will appear in a
subdirectory of the AFU device corresponding with the configuration
record number, e.g.
cat /sys/class/cxl/afu0.0/cr0/vendor
0x1014
cat /sys/class/cxl/afu0.0/cr0/device
0x4350
cat /sys/class/cxl/afu0.0/cr0/class
0x120000
hexdump -C /sys/class/cxl/afu0.0/cr0/config
00000000 14 10 50 43 00 00 00 00 06 00 00 12 00 00 00 00 |..PC............|
00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
*
00000100
These files behave in much the same way as the equivalent files for PCI
devices, with one exception being that the config file is currently
read-only and restricted to the root user. It is not necessarily
required to be this strict, but we currently do not have a compelling
use-case to make it writable and/or world-readable, so I erred on the
side of being restrictive.
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Here's the big pull request for Gadgets and PHYs. It's
a total of 217 non-merge commits with pretty much everything
being touched.
The most important bits are a ton of new documentation for
almost all usb gadget functions, a new isp1760 UDC driver,
several improvements to the old net2280 UDC driver, and
some minor tracepoint improvements to dwc3.
Other than that, a big list of minor cleanups, smaller bugfixes
and new features all over the place.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v3.20 merge window
Here's the big pull request for Gadgets and PHYs. It's
a total of 217 non-merge commits with pretty much everything
being touched.
The most important bits are a ton of new documentation for
almost all usb gadget functions, a new isp1760 UDC driver,
several improvements to the old net2280 UDC driver, and
some minor tracepoint improvements to dwc3.
Other than that, a big list of minor cleanups, smaller bugfixes
and new features all over the place.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Add support for Freescale MMA9553L Intelligent Pedometer Platform.
The following functionalities are supported:
- step counter (counts the number of steps using a HW register)
- step detector (generates an iio event at every step the user takes)
- activity recognition (rest, walking, jogging, running)
- speed
- calories
- distance
To get accurate pedometer results, the user's height, weight and gender
need to be configured.
The specifications can be downloaded from:
http://www.freescale.com/files/sensors/doc/ref_manual/MMA955xLSWRM.pdfhttp://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Change calibheight unit from centimeters to meters
to follow iio guidelines of using SI units.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
The pedometer needs to filter out false steps that might be generated by
tapping the foot, sitting, etc. To do that it computes the number of
steps that occur in a given time and decides the user is moving only
if this value is over a threshold. E.g.: the user starts moving only
if he takes 4 steps in 3 seconds. This filter is applied only when
the user starts moving.
A device that has such pedometer functionality is Freescale's MMA9553L:
http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf.
To export this feature, this patch introduces IIO_CHAN_INFO_DEBOUNCE_COUNT
and IIO_CHAN_INFO_DEBOUNCE_TIME. For the pedometer, in_steps_debounce_count
will specify the number of steps that need to occur in
in_steps_debounce_time seconds so that the pedometer decides the user is
moving.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
User visible:
- Enable sampling loads and stores simultaneously in 'perf mem' (Stephane Eranian)
- 'perf diff' output improvements (Namhyung Kim)
- Fix error reporting for evsel pgfault constructor (Arnaldo Carvalho de Melo)
Infrastructure:
- Move debugfs sterrno like method to tools/lib/ so that it may be used by
other tools, as 'perf probe' will be soon (Arnaldo Carvalho de Melo)
- Introduce function fro deleting/removing hist_entry to avoid code duplication
(Arnaldo Carvalho de Melo)
- Support parsing parameterized events (Cody P Schafer)
- Add support for IP address formats in libtraceevent (David Ahern)
- Fix typo in sample-parsing.c 'perf test' entry (Rasmus Villemoes)
- Remove some unused functions from color.c (Rickard Strandqvist)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
"
User visible changes:
- Enable sampling loads and stores simultaneously in 'perf mem' (Stephane Eranian)
- 'perf diff' output improvements (Namhyung Kim)
- Fix error reporting for evsel pgfault constructor (Arnaldo Carvalho de Melo)
Infrastructure changes:
- Move debugfs sterrno like method to tools/lib/ so that it may be used by
other tools, as 'perf probe' will be soon (Arnaldo Carvalho de Melo)
- Introduce function fro deleting/removing hist_entry to avoid code duplication
(Arnaldo Carvalho de Melo)
- Support parsing parameterized events (Cody P Schafer)
- Add support for IP address formats in libtraceevent (David Ahern)
- Fix typo in sample-parsing.c 'perf test' entry (Rasmus Villemoes)
- Remove some unused functions from color.c (Rickard Strandqvist)
"
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
A step detector will generate an interrupt each time N step are detected.
A device that has such pedometer functionality is Freescale's MMA9553L:
http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf.
Introduce IIO_EV_TYPE_CHANGE event type for events that are generated
when the channel passes a threshold on the absolute change in value.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Some devices need the weight of the user to compute other
parameters. One of this devices is Freescale's MMA9553L
(http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf)
that needs the weight of the user to compute the number of calories burnt.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Some devices export the current speed value of the user.
One of this devices is Freescale's MMA9553L
(http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf)
that computes the speed of the user based on the number of steps and
stride length.
Introduce a new channel type VELOCITY and a modifier for the magniture or
norm of the velocity vector, IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Some devices export an estimation of the distance the user has covered
since the last reset.
One of this devices is Freescale's MMA9553L
(http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf)
that computes the distance based on the stride length and step rate.
Introduce a new channel type DISTANCE to export these values.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Human activity sensors report the energy burnt by the user.
One of this devices is Freescale's MMA9553L
(http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf)
that computes the number of calories based on weight and step rate.
Introduce a new channel type ENERGY to export these values.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
