- Fix support for platforms that do not enumerate every ACPI0016 (CXL
Host Bridge) in the CHBS (ACPI Host Bridge Structure).
- Introduce a common pci_find_dvsec_capability() helper, clean up open
coded implementations in various drivers.
- Add 'cxl_test' for regression testing CXL subsystem ABIs. 'cxl_test'
is a module built from tools/testing/cxl/ that mocks up a CXL topology
to augment the nascent support for emulation of CXL devices in QEMU.
- Convert libnvdimm to use the uuid API.
- Complete the definition of CXL namespace labels in libnvdimm.
- Tunnel libnvdimm label operations from nd_ioctl() back to the CXL
mailbox driver. Enable 'ndctl {read,write}-labels' for CXL.
- Continue to sort and refactor functionality into distinct driver and
core-infrastructure buckets. For example, mailbox handling is now a
generic core capability consumed by the PCI and cxl_test drivers.
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Merge tag 'cxl-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl updates from Dan Williams:
"More preparation and plumbing work in the CXL subsystem.
From an end user perspective the highlight here is lighting up the CXL
Persistent Memory related commands (label read / write) with the
generic ioctl() front-end in LIBNVDIMM.
Otherwise, the ability to instantiate new persistent and volatile
memory regions is still on track for v5.17.
Summary:
- Fix support for platforms that do not enumerate every ACPI0016 (CXL
Host Bridge) in the CHBS (ACPI Host Bridge Structure).
- Introduce a common pci_find_dvsec_capability() helper, clean up
open coded implementations in various drivers.
- Add 'cxl_test' for regression testing CXL subsystem ABIs.
'cxl_test' is a module built from tools/testing/cxl/ that mocks up
a CXL topology to augment the nascent support for emulation of CXL
devices in QEMU.
- Convert libnvdimm to use the uuid API.
- Complete the definition of CXL namespace labels in libnvdimm.
- Tunnel libnvdimm label operations from nd_ioctl() back to the CXL
mailbox driver. Enable 'ndctl {read,write}-labels' for CXL.
- Continue to sort and refactor functionality into distinct driver
and core-infrastructure buckets. For example, mailbox handling is
now a generic core capability consumed by the PCI and cxl_test
drivers"
* tag 'cxl-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (34 commits)
ocxl: Use pci core's DVSEC functionality
cxl/pci: Use pci core's DVSEC functionality
PCI: Add pci_find_dvsec_capability to find designated VSEC
cxl/pci: Split cxl_pci_setup_regs()
cxl/pci: Add @base to cxl_register_map
cxl/pci: Make more use of cxl_register_map
cxl/pci: Remove pci request/release regions
cxl/pci: Fix NULL vs ERR_PTR confusion
cxl/pci: Remove dev_dbg for unknown register blocks
cxl/pci: Convert register block identifiers to an enum
cxl/acpi: Do not fail cxl_acpi_probe() based on a missing CHBS
cxl/pci: Disambiguate cxl_pci further from cxl_mem
Documentation/cxl: Add bus internal docs
cxl/core: Split decoder setup into alloc + add
tools/testing/cxl: Introduce a mock memory device + driver
cxl/mbox: Move command definitions to common location
cxl/bus: Populate the target list at decoder create
tools/testing/cxl: Introduce a mocked-up CXL port hierarchy
cxl/pmem: Add support for multiple nvdimm-bridge objects
cxl/pmem: Translate NVDIMM label commands to CXL label commands
...
Here is the big set of tty and serial driver updates for 5.16-rc1.
Nothing major in here at all, just lots of tiny serial and tty driver
updates for various reported things, and some good cleanups. These
include:
- more good tty api cleanups from Jiri
- stm32 serial driver updates
- softlockup fix for non-preempt systems under high serial load
- rpmsg serial driver update
- 8250 drivers updates and fixes
- n_gsm line discipline fixes and updates as people are finally
starting to use it.
All of these have been in linux-next for a while now with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial driver updates from Greg KH:
"Here is the big set of tty and serial driver updates for 5.16-rc1.
Nothing major in here at all, just lots of tiny serial and tty driver
updates for various reported things, and some good cleanups. These
include:
- more good tty api cleanups from Jiri
- stm32 serial driver updates
- softlockup fix for non-preempt systems under high serial load
- rpmsg serial driver update
- 8250 drivers updates and fixes
- n_gsm line discipline fixes and updates as people are finally
starting to use it.
All of these have been in linux-next for a while now with no reported
issues"
* tag 'tty-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (86 commits)
tty: Fix extra "not" in TTY_DRIVER_REAL_RAW description
serial: cpm_uart: Protect udbg definitions by CONFIG_SERIAL_CPM_CONSOLE
tty: rpmsg: Define tty name via constant string literal
tty: rpmsg: Add pr_fmt() to prefix messages
tty: rpmsg: Use dev_err_probe() in ->probe()
tty: rpmsg: Unify variable used to keep an error code
tty: rpmsg: Assign returned id to a local variable
serial: stm32: push DMA RX data before suspending
serial: stm32: terminate / restart DMA transfer at suspend / resume
serial: stm32: rework RX dma initialization and release
serial: 8250_pci: Remove empty stub pci_quatech_exit()
serial: 8250_pci: Replace custom pci_match_id() implementation
serial: xilinx_uartps: Fix race condition causing stuck TX
serial: sunzilog: Mark sunzilog_putchar() __maybe_unused
Revert "tty: hvc: pass DMA capable memory to put_chars()"
Revert "virtio-console: remove unnecessary kmemdup()"
serial: 8250_pci: Replace dev_*() by pci_*() macros
serial: 8250_pci: Get rid of redundant 'else' keyword
serial: 8250_pci: Refactor the loop in pci_ite887x_init()
tty: add rpmsg driver
...
Here is the big set of char and misc and other tiny driver subsystem
updates for 5.16-rc1.
Loads of things in here, all of which have been in linux-next for a
while with no reported problems (except for one called out below.)
Included are:
- habanana labs driver updates, including dma_buf usage,
reviewed and acked by the dma_buf maintainers
- iio driver update (going through this tree not staging as they
really do not belong going through that tree anymore)
- counter driver updates
- hwmon driver updates that the counter drivers needed, acked by
the hwmon maintainer
- xillybus driver updates
- binder driver updates
- extcon driver updates
- dma_buf module namespaces added (will cause a build error in
arm64 for allmodconfig, but that change is on its way through
the drm tree)
- lkdtm driver updates
- pvpanic driver updates
- phy driver updates
- virt acrn and nitr_enclaves driver updates
- smaller char and misc driver updates
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char and misc and other tiny driver subsystem
updates for 5.16-rc1.
Loads of things in here, all of which have been in linux-next for a
while with no reported problems (except for one called out below.)
Included are:
- habanana labs driver updates, including dma_buf usage, reviewed and
acked by the dma_buf maintainers
- iio driver update (going through this tree not staging as they
really do not belong going through that tree anymore)
- counter driver updates
- hwmon driver updates that the counter drivers needed, acked by the
hwmon maintainer
- xillybus driver updates
- binder driver updates
- extcon driver updates
- dma_buf module namespaces added (will cause a build error in arm64
for allmodconfig, but that change is on its way through the drm
tree)
- lkdtm driver updates
- pvpanic driver updates
- phy driver updates
- virt acrn and nitr_enclaves driver updates
- smaller char and misc driver updates"
* tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (386 commits)
comedi: dt9812: fix DMA buffers on stack
comedi: ni_usb6501: fix NULL-deref in command paths
arm64: errata: Enable TRBE workaround for write to out-of-range address
arm64: errata: Enable workaround for TRBE overwrite in FILL mode
coresight: trbe: Work around write to out of range
coresight: trbe: Make sure we have enough space
coresight: trbe: Add a helper to determine the minimum buffer size
coresight: trbe: Workaround TRBE errata overwrite in FILL mode
coresight: trbe: Add infrastructure for Errata handling
coresight: trbe: Allow driver to choose a different alignment
coresight: trbe: Decouple buffer base from the hardware base
coresight: trbe: Add a helper to pad a given buffer area
coresight: trbe: Add a helper to calculate the trace generated
coresight: trbe: Defer the probe on offline CPUs
coresight: trbe: Fix incorrect access of the sink specific data
coresight: etm4x: Add ETM PID for Kryo-5XX
coresight: trbe: Prohibit trace before disabling TRBE
coresight: trbe: End the AUX handle on truncation
coresight: trbe: Do not truncate buffer on IRQ
coresight: trbe: Fix handling of spurious interrupts
...
Here is the big set of USB and Thunderbolt driver updates for 5.16-rc1.
Nothing major in here, just lots of little cleanups and additions for
new hardware, all of which have been in linux-next for a while with no
reported problems.
Included in here are:
- tiny Thunderbolt driver updates
- USB typec driver updates
- USB serial driver updates
- USB gadget driver updates
- dwc2 and dwc3 controller driver updates
- tiny USB host driver updates
- minor USB driver fixes and updates
- USB dts updates for various platforms
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver updates for
5.16-rc1.
Nothing major in here, just lots of little cleanups and additions for
new hardware, all of which have been in linux-next for a while with no
reported problems.
Included in here are:
- tiny Thunderbolt driver updates
- USB typec driver updates
- USB serial driver updates
- USB gadget driver updates
- dwc2 and dwc3 controller driver updates
- tiny USB host driver updates
- minor USB driver fixes and updates
- USB dts updates for various platforms"
* tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (123 commits)
usb: gadget: Mark USB_FSL_QE broken on 64-bit
usb: gadget: f_mass_storage: Disable eps during disconnect
usb: gadget: udc: core: Revise comments for USB ep enable/disable
USB: serial: keyspan: fix memleak on probe errors
USB: serial: cp210x: use usb_control_msg_recv() and usb_control_msg_send()
USB: serial: ch314: use usb_control_msg_recv()
USB: iowarrior: fix control-message timeouts
Documentation: USB: fix example bulk-message timeout
usb: dwc2: stm32mp15: set otg_rev
usb: dwc2: add otg_rev and otg_caps information for gadget driver
dt-bindings: usb: dwc2: adopt otg properties defined in usb-drd.yaml
dt-bindings: usb: dwc2: Add reference to usb-drd.yaml
usb: gadget: uvc: implement dwPresentationTime and scrSourceClock
usb: gadget: uvc: use on returned header len in video_encode_isoc_sg
usb:gadget: f_uac1: fixed sync playback
Docs: usb: remove :c:func: for usb_register and usb_deregister
Docs: usb: update struct usb_driver
usb: gadget: configfs: change config attributes file operation
usb: gadget: configfs: add cfg_to_gadget_info() helper
usb: dwc3: Align DWC3_EP_* flag macros
...
core:
- improve dma_fence, lease and resv documentation
- shmem-helpers: allocate WC pages on x86, use vmf_insert_pin
- sched fixes/improvements
- allow empty drm leases
- add dma resv iterator
- add more DP 2.0 headers
- DP MST helper improvements for DP2.0
dma-buf:
- avoid warnings, remove fence trace macros
bridge:
- new helper to get rid of panels
- probe improvements for it66121
- enable DSI EOTP for anx7625
fbdev:
- efifb: release runtime PM on destroy
ttm:
- kerneldoc switch
- helper to clear all DMA mappings
- pool shrinker optimizaton
- remove ttm_tt_destroy_common
- update ttm_move_memcpy for async use
panel:
- add new panel-edp driver
amdgpu:
- Initial DP 2.0 support
- Initial USB4 DP tunnelling support
- Aldebaran MCE support
- Modifier support for DCC image stores for GFX 10.3
- Display rework for better FP code handling
- Yellow Carp/Cyan Skillfish updates
- Cyan Skillfish display support
- convert vega/navi to IP discovery asic enumeration
- validate IP discovery table
- RAS improvements
- Lots of fixes
i915:
- DG1 PCI IDs + LMEM discovery/placement
- DG1 GuC submission by default
- ADL-S PCI IDs updated + enabled by default
- ADL-P (XE_LPD) fixed and updates
- DG2 display fixes
- PXP protected object support for Gen12 integrated
- expose multi-LRC submission interface for GuC
- export logical engine instance to user
- Disable engine bonding on Gen12+
- PSR cleanup
- PSR2 selective fetch by default
- DP 2.0 prep work
- VESA vendor block + MSO use of it
- FBC refactor
- try again to fix fast-narrow vs slow-wide eDP training
- use THP when IOMMU enabled
- LMEM backup/restore for suspend/resume
- locking simplification
- GuC major reworking
- async flip VT-D workaround changes
- DP link training improvements
- misc display refactorings
bochs:
- new PCI ID
rcar-du:
- Non-contiguious buffer import support for rcar-du
- r8a779a0 support prep
omapdrm:
- COMPILE_TEST fixes
sti:
- COMPILE_TEST fixes
msm:
- fence ordering improvements
- eDP support in DP sub-driver
- dpu irq handling cleanup
- CRC support for making igt happy
- NO_CONNECTOR bridge support
- dsi: 14nm phy support for msm8953
- mdp5: msm8x53, sdm450, sdm632 support
stm:
- layer alpha + zpo support
v3d:
- fix Vulkan CTS failure
- support multiple sync objects
gud:
- add R8/RGB332/RGB888 pixel formats
vc4:
- convert to new bridge helpers
vgem:
- use shmem helpers
virtio:
- support mapping exported vram
zte:
- remove obsolete driver
rockchip:
- use bridge attach no connector for LVDS/RGB
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Merge tag 'drm-next-2021-11-03' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Summary below. i915 starts to add support for DG2 GPUs, enables DG1
and ADL-S support by default, lots of work to enable DisplayPort 2.0
across drivers. Lots of documentation updates and fixes across the
board.
core:
- improve dma_fence, lease and resv documentation
- shmem-helpers: allocate WC pages on x86, use vmf_insert_pin
- sched fixes/improvements
- allow empty drm leases
- add dma resv iterator
- add more DP 2.0 headers
- DP MST helper improvements for DP2.0
dma-buf:
- avoid warnings, remove fence trace macros
bridge:
- new helper to get rid of panels
- probe improvements for it66121
- enable DSI EOTP for anx7625
fbdev:
- efifb: release runtime PM on destroy
ttm:
- kerneldoc switch
- helper to clear all DMA mappings
- pool shrinker optimizaton
- remove ttm_tt_destroy_common
- update ttm_move_memcpy for async use
panel:
- add new panel-edp driver
amdgpu:
- Initial DP 2.0 support
- Initial USB4 DP tunnelling support
- Aldebaran MCE support
- Modifier support for DCC image stores for GFX 10.3
- Display rework for better FP code handling
- Yellow Carp/Cyan Skillfish updates
- Cyan Skillfish display support
- convert vega/navi to IP discovery asic enumeration
- validate IP discovery table
- RAS improvements
- Lots of fixes
i915:
- DG1 PCI IDs + LMEM discovery/placement
- DG1 GuC submission by default
- ADL-S PCI IDs updated + enabled by default
- ADL-P (XE_LPD) fixed and updates
- DG2 display fixes
- PXP protected object support for Gen12 integrated
- expose multi-LRC submission interface for GuC
- export logical engine instance to user
- Disable engine bonding on Gen12+
- PSR cleanup
- PSR2 selective fetch by default
- DP 2.0 prep work
- VESA vendor block + MSO use of it
- FBC refactor
- try again to fix fast-narrow vs slow-wide eDP training
- use THP when IOMMU enabled
- LMEM backup/restore for suspend/resume
- locking simplification
- GuC major reworking
- async flip VT-D workaround changes
- DP link training improvements
- misc display refactorings
bochs:
- new PCI ID
rcar-du:
- Non-contiguious buffer import support for rcar-du
- r8a779a0 support prep
omapdrm:
- COMPILE_TEST fixes
sti:
- COMPILE_TEST fixes
msm:
- fence ordering improvements
- eDP support in DP sub-driver
- dpu irq handling cleanup
- CRC support for making igt happy
- NO_CONNECTOR bridge support
- dsi: 14nm phy support for msm8953
- mdp5: msm8x53, sdm450, sdm632 support
stm:
- layer alpha + zpo support
v3d:
- fix Vulkan CTS failure
- support multiple sync objects
gud:
- add R8/RGB332/RGB888 pixel formats
vc4:
- convert to new bridge helpers
vgem:
- use shmem helpers
virtio:
- support mapping exported vram
zte:
- remove obsolete driver
rockchip:
- use bridge attach no connector for LVDS/RGB"
* tag 'drm-next-2021-11-03' of git://anongit.freedesktop.org/drm/drm: (1259 commits)
drm/amdgpu/gmc6: fix DMA mask from 44 to 40 bits
drm/amd/display: MST support for DPIA
drm/amdgpu: Fix even more out of bound writes from debugfs
drm/amdgpu/discovery: add SDMA IP instance info for soc15 parts
drm/amdgpu/discovery: add UVD/VCN IP instance info for soc15 parts
drm/amdgpu/UAPI: rearrange header to better align related items
drm/amd/display: Enable dpia in dmub only for DCN31 B0
drm/amd/display: Fix USB4 hot plug crash issue
drm/amd/display: Fix deadlock when falling back to v2 from v3
drm/amd/display: Fallback to clocks which meet requested voltage on DCN31
drm/amd/display: move FPU associated DCN301 code to DML folder
drm/amd/display: fix link training regression for 1 or 2 lane
drm/amd/display: add two lane settings training options
drm/amd/display: decouple hw_lane_settings from dpcd_lane_settings
drm/amd/display: implement decide lane settings
drm/amd/display: adopt DP2.0 LT SCR revision 8
drm/amd/display: FEC configuration for dpia links in MST mode
drm/amd/display: FEC configuration for dpia links
drm/amd/display: Add workaround flag for EDID read on certain docks
drm/amd/display: Set phy_mux_sel bit in dmub scratch register
...
- Constify a variable in thermal MMIO driver (Rikard Falkeborn).
- Add the current temperature in the netlink message when crossing a
trip point in order to prevent useless back and forth reading from
userspace (Daniel Lezcano).
- Add support for the 'HC' variant on PM8998 PMIC in order to support
VADC channels on recent QCom boards (Bjorn Andersson).
- Add support for calibration values from hardware when they are
fused (Niklas Söderlund).
- Fix NULL pointer dereference in the thermal_release callback when
an error occurs in the thermal_zone_device_register() (Yuanzheng
Song).
- Fix use-after-free in __thermal_cooling_device_register() in the
error path (Ziyang Xuan).
- Fix compilation of the LMh driver when CONFIG_QCOM_SCM is not set
(Jackie Liu).
- Add timeout when reading a register that can block forever in
certain circumstances in the tsens driver (Ansuel Smith).
- Add DT binding for the reset lines and use them in the rockchip
sensor driver (Johan Jonker).
- Add new uniphier NX1 SoC temperature sensor (Kunihiko Hayashi).
- Save and restore the TCC value in the int340x driver (Antoine
Tenart).
- Deprecate the writability of the cooling device state sysfs file
and the user space governor (Daniel Lezcano).
- Delete bogus length check in int340x (Dan Carpenter).
- Use bitmap_zalloc/bitmap_free when applicable in intel_powerclamp
(Christophe JAILLET).
- Move thermal ABI documentation to Documentation/ABI (Mauro Carvalho
Chehab).
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Merge tag 'thermal-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These extend the thermal trip point crossing notifications sent via
netlink to contain the temperature causing the trip point to be
crossed, deprecate the user space thermal governor, add new DT
bindings to drivers, move ABI documentation to Documentation/ABI, fix
assorted issues and clean up code.
Specifics:
- Constify a variable in thermal MMIO driver (Rikard Falkeborn).
- Add the current temperature in the netlink message when crossing a
trip point in order to prevent useless back and forth reading from
userspace (Daniel Lezcano).
- Add support for the 'HC' variant on PM8998 PMIC in order to support
VADC channels on recent QCom boards (Bjorn Andersson).
- Add support for calibration values from hardware when they are
fused (Niklas Söderlund).
- Fix NULL pointer dereference in the thermal_release callback when
an error occurs in the thermal_zone_device_register() (Yuanzheng
Song).
- Fix use-after-free in __thermal_cooling_device_register() in the
error path (Ziyang Xuan).
- Fix compilation of the LMh driver when CONFIG_QCOM_SCM is not set
(Jackie Liu).
- Add timeout when reading a register that can block forever in
certain circumstances in the tsens driver (Ansuel Smith).
- Add DT binding for the reset lines and use them in the rockchip
sensor driver (Johan Jonker).
- Add new uniphier NX1 SoC temperature sensor (Kunihiko Hayashi).
- Save and restore the TCC value in the int340x driver (Antoine
Tenart).
- Deprecate the writability of the cooling device state sysfs file
and the user space governor (Daniel Lezcano).
- Delete bogus length check in int340x (Dan Carpenter).
- Use bitmap_zalloc/bitmap_free when applicable in intel_powerclamp
(Christophe JAILLET).
- Move thermal ABI documentation to Documentation/ABI (Mauro Carvalho
Chehab)"
* tag 'thermal-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (21 commits)
thermal/core: Deprecate changing cooling device state from userspace
thermal/core: Make the userspace governor deprecated
thermal/drivers/int340x: Improve the tcc offset saving for suspend/resume
thermal/drivers/uniphier: Add compatible string for NX1 SoC
dt-bindings: thermal: uniphier: Add binding for NX1 SoC
thermal/drivers/rockchip_thermal: Allow more resets for tsadc node
dt-bindings: thermal: remove redundant comments from rockchip-thermal.yaml
dt-bindings: thermal: allow more resets for tsadc node in rockchip-thermal.yaml
thermal/drivers/tsens: Add timeout to get_temp_tsens_valid
thermal/drivers/qcom/lmh: make QCOM_LMH depends on QCOM_SCM
thermal/core: fix a UAF bug in __thermal_cooling_device_register()
thermal/core: Fix null pointer dereference in thermal_release()
thermal: rcar_gen3_thermal: Read calibration from hardware
thermal: rcar_gen3_thermal: Store thcode and ptat in priv data
thermal/drivers/qcom/spmi-adc-tm5: Add support for HC variant
dt-bindings: thermal: qcom: add HC variant of adc-thermal monitor bindings
thermal: Move ABI documentation to Documentation/ABI
thermal/drivers/netlink: Add the temperature when crossing a trip point
thermal/drivers/thermal_mmio: Constify static struct thermal_mmio_ops
thermal: int340x: delete bogus length check
...
- Update maintainer and URL for the mmc-utils
- Set default label for slot-gpio in case of no con-id
- Convert MMC card DT bindings to a schema
- Add optional host specific tuning support for eMMC HS400
- Add error handling of add_disk()
MMC host:
- mtk-sd: Add host specific tuning support for eMMC HS400
- mtk-sd: Make DMA handling more robust
- dw_mmc: Prevent hangs for some data writes
- dw_mmc: Move away from using the ->init_card() callback
- mxs-mmc: Manage the regulator in the error path and in ->remove()
- sdhci-cadence: Add support for the Microchip MPFS variant
- sdhci-esdhc-imx: Add support for the NXP S32G2 variant
- sdhci-of-arasan: Add support for the Intel Thunder Bay variant
- sdhci-omap: Prepare to support more SoCs
- sdhci-omap: Add support for omap3 and omap4 variants
- sdhci-omap: Add support for power management
- sdhci-omap: Add support for system wakeups
- sdhci-msm: Add support for the msm8226 variant
- sdhci-sprd: Verify that the DLL locks according to spec
MEMSTICK:
- Add error handling of add_disk()
- A couple of small fixes and improvements
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Merge tag 'mmc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC and MEMSTICK updates from Ulf Hansson:
"MMC core:
- Update maintainer and URL for the mmc-utils
- Set default label for slot-gpio in case of no con-id
- Convert MMC card DT bindings to a schema
- Add optional host specific tuning support for eMMC HS400
- Add error handling of add_disk()
MMC host:
- mtk-sd: Add host specific tuning support for eMMC HS400
- mtk-sd: Make DMA handling more robust
- dw_mmc: Prevent hangs for some data writes
- dw_mmc: Move away from using the ->init_card() callback
- mxs-mmc: Manage the regulator in the error path and in ->remove()
- sdhci-cadence: Add support for the Microchip MPFS variant
- sdhci-esdhc-imx: Add support for the NXP S32G2 variant
- sdhci-of-arasan: Add support for the Intel Thunder Bay variant
- sdhci-omap: Prepare to support more SoCs
- sdhci-omap: Add support for omap3 and omap4 variants
- sdhci-omap: Add support for power management
- sdhci-omap: Add support for system wakeups
- sdhci-msm: Add support for the msm8226 variant
- sdhci-sprd: Verify that the DLL locks according to spec
MEMSTICK:
- Add error handling of add_disk()
- A couple of small fixes and improvements"
* tag 'mmc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (60 commits)
docs: mmc: update maintainer name and URL
mmc: dw_mmc: exynos: Fix spelling mistake "candiates" -> candidates
MAINTAINERS: drop obsolete file pattern in SDHCI DRIVER section
mmc: sdhci-esdhc-imx: add NXP S32G2 support
dt-bindings: mmc: fsl-imx-esdhc: add NXP S32G2 support
mmc: dw_mmc: Drop use of ->init_card() callback
mmc: sdhci-omap: Fix build if CONFIG_PM_SLEEP is not set
mmc: sdhci-omap: Remove forward declaration of sdhci_omap_context_save()
memstick: r592: Fix a UAF bug when removing the driver
mmc: mxs-mmc: disable regulator on error and in the remove function
mmc: sdhci-omap: Configure optional wakeirq
mmc: sdhci-omap: Allow SDIO card power off and enable aggressive PM
mmc: sdhci-omap: Implement PM runtime functions
mmc: sdhci-omap: Add omap_offset to support omap3 and earlier
mmc: sdhci-omap: Handle voltages to add support omap4
dt-bindings: sdhci-omap: Update binding for legacy SoCs
mmc: sdhci-pci: Remove dead code (rst_n_gpio et al)
mmc: sdhci-pci: Remove dead code (cd_gpio, cd_irq et al)
mmc: sdhci-pci: Remove dead code (struct sdhci_pci_data et al)
mmc: sdhci: Remove unused prototype declaration in the header
...
A new type of low-level IPMI driver is added for direct communication
over the IPMI message bus without a BMC between the driver and the bus.
Other than that, lots of little bug fixes and enhancements.
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Merge tag 'for-linus-5.16-1' of https://github.com/cminyard/linux-ipmi
Pull IPMI driver updates from Corey Minyard:
"A new type of low-level IPMI driver is added for direct communication
over the IPMI message bus without a BMC between the driver and the
bus.
Other than that, lots of little bug fixes and enhancements"
* tag 'for-linus-5.16-1' of https://github.com/cminyard/linux-ipmi:
ipmi: kcs_bmc: Fix a memory leak in the error handling path of 'kcs_bmc_serio_add_device()'
char: ipmi: replace snprintf in show functions with sysfs_emit
ipmi: ipmb: fix dependencies to eliminate build error
ipmi:ipmb: Add OF support
ipmi: bt: Add ast2600 compatible string
ipmi: bt-bmc: Use registers directly
ipmi: ipmb: Fix off-by-one size check on rcvlen
ipmi:ssif: Use depends on, not select, for I2C
ipmi: Add docs for the IPMI IPMB driver
ipmi: Add docs for IPMB direct addressing
ipmi:ipmb: Add initial support for IPMI over IPMB
ipmi: Add support for IPMB direct messages
ipmi: Export ipmb_checksum()
ipmi: Fix a typo
ipmi: Check error code before processing BMC response
ipmi:devintf: Return a proper error when recv buffer too small
ipmi: Disable some operations during a panic
ipmi:watchdog: Set panic count to proper value on a panic
USB bulk-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Use a fixed five-second timeout in the "Writing USB Device Drivers"
example.
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20211025115159.4954-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Counter subsystem changes now sent separately.
This has been a busy cycle, so lots here and a few more stragglers to
come next week.
Big new feature in this cycle is probably output buffer support.
This has been in the works for a very long time so it's great to see
Mihail pick up the challenge and build upon his predecessors work to finally
bring this feature to mainline.
New device support
------------------
* adi,adxl313
- New driver and dt bindings for this low power accelerometer.
* adi,adxl355
- New driver and dt bindings for this accelerometer.
- Later series adds buffer support.
* asahi-kasei,ak8975
- Minor additions to driver to support ak09916
* aspeed,aspeed-adc
- Substantial rework plus feature additions to add support for the
ast2600 including a new dt bindings doc.
* atmel,at91_sama5d2
- Rework and support introduced for the sama7g5 parts.
* maxim,max31865
- New driver and bindings for this RTD temperature sensor chip.
* nxp,imx8qxp
- New driver and bindings for the ADC found on the i.MX 8QuadXPlus Soc.
* senseair,sunrise
- New driver and bindings for this family of carbon dioxide gas sensors.
* sensiron,scd4x
- New driver and bindings for this carbon dioxide gas sensor.
New features
------------
* Output buffer support. Works in a similar fashion to input buffers, but
in this case userspace pushes data into the kfifo which is then drained
to the device when a trigger occurs. Support added to the ad5766 DAC
driver.
* Core, devm_iio_map_array_register() to avoid need for
devm_add_action_or_reset() based cleanup in fully managed allocation
drivers.
* Core iio_push_to_buffers_with_ts_unaligned() function to safely handle a
few drivers where it really hard to ensure the correct data alignment in
an iio_push_to_buffers_with_timestamp() call. Note this uses a bounce
buffer so should be avoided whenever possible. Used in the ti,adc108s102,
invense,mpu3050 and adi,adis16400. This closes the last known set
of drivers with alignment issues at this interface.
* maxim,max1027
- Substantial rework to this driver main target of which was supporting
use of other triggers than it's own EOC interrupt.
- Transfer optimization.
* nxp,fxls8962af
- Threshold even support including using it as a wakeup source.
Cleanups, minor fixes etc
-------------------------
Chances of a common type to multiple drivers:
* devm_ conversion and drop of .remove() callbacks in:
- adi,ad5064
- adi,ad7291
- adi,ad7303
- adi,ad7746
- adi,ad9832
- adi,adis16080
- dialog,da9150-gpadc
- intel,mrfld_adc
- marvell,berlin2
- maxim,max1363
- maxim,max44000
- nuvoton,nau7802
- st_sensors (includes a lot of rework!)
- ti,ads8344
- ti,lp8788
* devm_platform_ioremap_resource() used to reduce boilerplate
- cirrus,ep93xx
- rockchip,saradc
- stm,stm32-dac
* Use dev_err_probe() in more places to both not print on deferred probe and
ensure a reason for the deferral is available for debug purposes.
- adi,ad8801
- capella,cm36651
- linear,ltc1660
- maxim,ds4424
- maxim,max5821
- microchip,mcp4922
- nxp,lpc18xx
- onnn,noa1305
- st,lsm9ds0
- st,st_sensors
- st,stm32-dac
- ti,afe4403
- ti,afe4404
- ti,dac7311
* Drop error returns in SPI and I2C remove() functions as they are ignored and
long term plan is to change these all over to returning void. In some cases
these patches just make it 'obvious' they always return 0 where it was the
case before but not easy to tell.
- adi,ad5380
- adi,ad5446
- adi,ad5686
- adi,ad5592r
- bosch,bma400
- bosch,bmc150
- fsl,mma7455
- honeywell,hmc5843
- kionix,kxsd9
- maxim,max5487
- meas,ms5611
- ti,afe4403
Driver specific changes
* adi,ad5770r
- Bring driver inline with documented bindings.
* adi,ad7746
- Trivial style fix
* adi,ad7949
- Express some magic values as the underlying parts via new #defines.
- Make it work with SPI controllers that don't support 14 or 16 bit messages
- Support selection of voltage reference from dt including expanding the
dt-bindings to cover this new functionality.
* adi,ad799x
- Implement selection of external reference voltage on AD7991, AD7995 and
AD7999.
- Add missing dt-bindings doc for devices supported by this driver.
* adi,adislib
- Move interrupt startup to better location in startup flow.
- Handle devices that cannot mask/unmask the drdy pin and must instead mask
at the interrupt controller. Applies to the adis16460 and adis16475 from
which we then drop equivalent code.
* adi,ltc2983
- Add support for optional reset pin.
- Fail to probe if no channels specified in dt binding.
* asahi-kasei,ak8975
- dt-binding additions of missing vid-supply regulator.
* aspeed,aspeed-adc
- Typo fix.
* fsl,mma7660
- Mark acpi_device_id table __maybe_unused to avoid build warning.
* fsl,imx25-gcq
- Avoid initializing regulators that aren't used.
* invensense,mpu3050
- Drop a dead protection against a clash with the old input driver.
* invensense,mpu6050
- Rework code to not use strcpy() and hence avoid possibility of wrong sized
buffers. Note this wasn't a bug, but the new code is a lot more readable.
- Mark acpi_device_id table __maybe_unused to avoid build warning.
* kionix,kxcjk1013
- dt-binding addition to note it supports interrupts.
* marvell,berlin2-adc
- Enable COMPILE_TEST building.
* maxim,max1027
- Avoid returning success in an error path.
* nxp,imx8qxp
- Fix warning when runtime pm not enabled via __maybe_unused.
* ricoh,rn5t618
- Use the new devm_iio_map_array_register() instead of open coding the same.
* samsung,exynos_adc
- Improve kconfig help text.
* st,lsm6dsx
- Move max_fifo_size into the fifo_ops structure where the other configuration
parameters are found.
* st,st_sensors:
- Reorder to ensure we turn the power off after removing userspace interfaces.
* senseair,sunrise
- Add missing I2C dependency.
* ti,twl6030
- Small code tidy up.
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Merge tag 'iio-for-5.16a-split-take4' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
First set of IIO new device and feature support for the 5.16 cycle
Counter subsystem changes now sent separately.
This has been a busy cycle, so lots here and a few more stragglers to
come next week.
Big new feature in this cycle is probably output buffer support.
This has been in the works for a very long time so it's great to see
Mihail pick up the challenge and build upon his predecessors work to finally
bring this feature to mainline.
New device support
------------------
* adi,adxl313
- New driver and dt bindings for this low power accelerometer.
* adi,adxl355
- New driver and dt bindings for this accelerometer.
- Later series adds buffer support.
* asahi-kasei,ak8975
- Minor additions to driver to support ak09916
* aspeed,aspeed-adc
- Substantial rework plus feature additions to add support for the
ast2600 including a new dt bindings doc.
* atmel,at91_sama5d2
- Rework and support introduced for the sama7g5 parts.
* maxim,max31865
- New driver and bindings for this RTD temperature sensor chip.
* nxp,imx8qxp
- New driver and bindings for the ADC found on the i.MX 8QuadXPlus Soc.
* senseair,sunrise
- New driver and bindings for this family of carbon dioxide gas sensors.
* sensiron,scd4x
- New driver and bindings for this carbon dioxide gas sensor.
New features
------------
* Output buffer support. Works in a similar fashion to input buffers, but
in this case userspace pushes data into the kfifo which is then drained
to the device when a trigger occurs. Support added to the ad5766 DAC
driver.
* Core, devm_iio_map_array_register() to avoid need for
devm_add_action_or_reset() based cleanup in fully managed allocation
drivers.
* Core iio_push_to_buffers_with_ts_unaligned() function to safely handle a
few drivers where it really hard to ensure the correct data alignment in
an iio_push_to_buffers_with_timestamp() call. Note this uses a bounce
buffer so should be avoided whenever possible. Used in the ti,adc108s102,
invense,mpu3050 and adi,adis16400. This closes the last known set
of drivers with alignment issues at this interface.
* maxim,max1027
- Substantial rework to this driver main target of which was supporting
use of other triggers than it's own EOC interrupt.
- Transfer optimization.
* nxp,fxls8962af
- Threshold even support including using it as a wakeup source.
Cleanups, minor fixes etc
-------------------------
Chances of a common type to multiple drivers:
* devm_ conversion and drop of .remove() callbacks in:
- adi,ad5064
- adi,ad7291
- adi,ad7303
- adi,ad7746
- adi,ad9832
- adi,adis16080
- dialog,da9150-gpadc
- intel,mrfld_adc
- marvell,berlin2
- maxim,max1363
- maxim,max44000
- nuvoton,nau7802
- st_sensors (includes a lot of rework!)
- ti,ads8344
- ti,lp8788
* devm_platform_ioremap_resource() used to reduce boilerplate
- cirrus,ep93xx
- rockchip,saradc
- stm,stm32-dac
* Use dev_err_probe() in more places to both not print on deferred probe and
ensure a reason for the deferral is available for debug purposes.
- adi,ad8801
- capella,cm36651
- linear,ltc1660
- maxim,ds4424
- maxim,max5821
- microchip,mcp4922
- nxp,lpc18xx
- onnn,noa1305
- st,lsm9ds0
- st,st_sensors
- st,stm32-dac
- ti,afe4403
- ti,afe4404
- ti,dac7311
* Drop error returns in SPI and I2C remove() functions as they are ignored and
long term plan is to change these all over to returning void. In some cases
these patches just make it 'obvious' they always return 0 where it was the
case before but not easy to tell.
- adi,ad5380
- adi,ad5446
- adi,ad5686
- adi,ad5592r
- bosch,bma400
- bosch,bmc150
- fsl,mma7455
- honeywell,hmc5843
- kionix,kxsd9
- maxim,max5487
- meas,ms5611
- ti,afe4403
Driver specific changes
* adi,ad5770r
- Bring driver inline with documented bindings.
* adi,ad7746
- Trivial style fix
* adi,ad7949
- Express some magic values as the underlying parts via new #defines.
- Make it work with SPI controllers that don't support 14 or 16 bit messages
- Support selection of voltage reference from dt including expanding the
dt-bindings to cover this new functionality.
* adi,ad799x
- Implement selection of external reference voltage on AD7991, AD7995 and
AD7999.
- Add missing dt-bindings doc for devices supported by this driver.
* adi,adislib
- Move interrupt startup to better location in startup flow.
- Handle devices that cannot mask/unmask the drdy pin and must instead mask
at the interrupt controller. Applies to the adis16460 and adis16475 from
which we then drop equivalent code.
* adi,ltc2983
- Add support for optional reset pin.
- Fail to probe if no channels specified in dt binding.
* asahi-kasei,ak8975
- dt-binding additions of missing vid-supply regulator.
* aspeed,aspeed-adc
- Typo fix.
* fsl,mma7660
- Mark acpi_device_id table __maybe_unused to avoid build warning.
* fsl,imx25-gcq
- Avoid initializing regulators that aren't used.
* invensense,mpu3050
- Drop a dead protection against a clash with the old input driver.
* invensense,mpu6050
- Rework code to not use strcpy() and hence avoid possibility of wrong sized
buffers. Note this wasn't a bug, but the new code is a lot more readable.
- Mark acpi_device_id table __maybe_unused to avoid build warning.
* kionix,kxcjk1013
- dt-binding addition to note it supports interrupts.
* marvell,berlin2-adc
- Enable COMPILE_TEST building.
* maxim,max1027
- Avoid returning success in an error path.
* nxp,imx8qxp
- Fix warning when runtime pm not enabled via __maybe_unused.
* ricoh,rn5t618
- Use the new devm_iio_map_array_register() instead of open coding the same.
* samsung,exynos_adc
- Improve kconfig help text.
* st,lsm6dsx
- Move max_fifo_size into the fifo_ops structure where the other configuration
parameters are found.
* st,st_sensors:
- Reorder to ensure we turn the power off after removing userspace interfaces.
* senseair,sunrise
- Add missing I2C dependency.
* ti,twl6030
- Small code tidy up.
* tag 'iio-for-5.16a-split-take4' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (148 commits)
iio: imx8qxp-adc: mark PM functions as __maybe_unused
iio: pressure: ms5611: Make ms5611_remove() return void
iio: potentiometer: max5487: Don't return an error in .remove()
iio: magn: hmc5843: Make hmc5843_common_remove() return void
iio: health: afe4403: Don't return an error in .remove()
iio: dac: ad5686: Make ad5686_remove() return void
iio: dac: ad5592r: Make ad5592r_remove() return void
iio: dac: ad5446: Make ad5446_remove() return void
iio: dac: ad5380: Make ad5380_remove() return void
iio: accel: mma7455: Make mma7455_core_remove() return void
iio: accel: kxsd9: Make kxsd9_common_remove() return void
iio: accel: bmi088: Make bmi088_accel_core_remove() return void
iio: accel: bmc150: Make bmc150_accel_core_remove() return void
iio: accel: bma400: Make bma400_remove() return void
drivers:iio:dac:ad5766.c: Add trigger buffer
iio: triggered-buffer: extend support to configure output buffers
iio: kfifo-buffer: Add output buffer support
iio: Add output buffer support
iio: documentation: Document scd4x calibration use
drivers: iio: chemical: Add support for Sensirion SCD4x CO2 sensor
...
This change introduces a device-managed variant to the
iio_map_array_register() function. It's a simple implementation of calling
iio_map_array_register() and registering a callback to
iio_map_array_unregister() with the devm_add_action_or_reset().
The function uses an explicit 'dev' parameter to bind the unwinding to. It
could have been implemented to implicitly use the parent of the IIO device,
however it shouldn't be too expensive to callers to just specify to which
device object to bind this unwind call.
It would make the API a bit more flexible.
Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210903072917.45769-2-aardelean@deviqon.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The Counter subsystem architecture and driver implementations have
changed in order to handle Counter sysfs interactions in a more
consistent way. This patch updates the Generic Counter interface
documentation to reflect the changes.
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/91cded13c0145c0d3d0acfe765a2ccb6c9af7c3b.1630031207.git.vilhelm.gray@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
I have not been able to give dvb the attention it needs, and now I have
even less time. Of course I will continue to maintain rc-core (infrared).
Unfortunately this means that dvb will have maintainance issues.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The thermal ABI and the internal development details are described in:
Documentation/driver-api/thermal/sysfs-api.rst
Move the sysfs ABI description to Documentation/ABI, ensuring that
scripts/get_abi.pl will properly parse it.
While here, also update the thermal record in MAINTAINERS to point to
the documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
[ rjw: Changelog end subject edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Describe how to use the IPMI IPMB driver, including it's quirks.
Signed-off-by: Corey Minyard <minyard@acm.org>
Tested-by: Andrew Manley <andrew.manley@sealingtech.com>
Reviewed-by: Andrew Manley <andrew.manley@sealingtech.com>
Describe the addressing mechanism and how to use it.
Signed-off-by: Corey Minyard <minyard@acm.org>
Tested-by: Andrew Manley <andrew.manley@sealingtech.com>
Reviewed-by: Andrew Manley <andrew.manley@sealingtech.com>
The rkisp1 evolved over soc generations and the rk3326/px30 introduced
the so called v12 - probably meaning v1.2.
Add the new register definitions.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Reviewed-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Rename V4L2 async notifier functions, replacing "notifier" with "nf" and
removing "_subdev" at the end of the function names adding subdevs as you
can only add subdevs to a notifier. Also wrap and otherwise clean up long
lines.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com> (imx7)
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The documentation says that the return value of tty_ldisc_ops::hangup
hook is ignored. And it really is, so there is no point for its return
type to be int. Switch it to void and all the hooks too.
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210914091134.17426-4-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Kernel docs are already present in this file, but nothing is instructed
to generate them. Address that.
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Link: https://lore.kernel.org/r/20210913163324.1008564-2-ben.widawsky@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Now that the internals of mailbox operations are abstracted from the PCI
specifics a bulk of infrastructure can move to the core.
The CXL_PMEM driver intends to proxy LIBNVDIMM UAPI and driver requests
to the equivalent functionality provided by the CXL hardware mailbox
interface. In support of that intent move the mailbox implementation to
a shared location for the CXL_PCI driver native IOCTL path and CXL_PMEM
nvdimm command proxy path to share.
A unit test framework seeks to implement a unit test backend transport
for mailbox commands to communicate mocked up payloads. It can reuse all
of the mailbox infrastructure minus the PCI specifics, so that also gets
moved to the core.
Finally with the mailbox infrastructure and ioctl handling being
transport generic there is no longer any need to pass file
file_operations to devm_cxl_add_memdev(). That allows all the ioctl
boilerplate to move into the core for unit test reuse.
No functional change intended, just code movement.
Acked-by: Ben Widawsky <ben.widawsky@intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/163116435233.2460985.16197340449713287180.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
The gsm driver can configure initiator or requester by parameter
initiator,but the config code and using are different ,the doc has
initiator instructions only,it should be add instructions for requester.
Signed-off-by: Zhenguo Zhao <Zhenguo.Zhao1@unisoc.com>
Link: https://lore.kernel.org/r/1629461872-26965-1-git-send-email-zhenguo6858@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Fix detection of CXL host bridges to filter out disabled ACPI0016
devices in the ACPI DSDT.
- Fix kernel lockdown integration to disable raw commands when raw PCI
access is disabled.
- Fix a broken debug message.
- Add support for "Get Partition Info". I.e. enumerate the split between
volatile and persistent capacity on bi-modal CXL memory expanders.
- Re-factor the core by subject area. This is a work in progress.
- Prepare libnvdimm to understand CXL labels in addition to EFI labels.
This is a work in progress.
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Merge tag 'cxl-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) updates from Dan Williams:
- Fix detection of CXL host bridges to filter out disabled ACPI0016
devices in the ACPI DSDT.
- Fix kernel lockdown integration to disable raw commands when raw PCI
access is disabled.
- Fix a broken debug message.
- Add support for "Get Partition Info". I.e. enumerate the split
between volatile and persistent capacity on bi-modal CXL memory
expanders.
- Re-factor the core by subject area. This is a work in progress.
- Prepare libnvdimm to understand CXL labels in addition to EFI labels.
This is a work in progress.
* tag 'cxl-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (25 commits)
cxl/registers: Fix Documentation warning
cxl/pmem: Fix Documentation warning
cxl/uapi: Fix defined but not used warnings
cxl/pci: Fix debug message in cxl_probe_regs()
cxl/pci: Fix lockdown level
cxl/acpi: Do not add DSDT disabled ACPI0016 host bridge ports
libnvdimm/labels: Add claim class helpers
libnvdimm/labels: Add type-guid helpers
libnvdimm/labels: Add blk special cases for nlabel and position helpers
libnvdimm/labels: Add blk isetcookie set / validation helpers
libnvdimm/labels: Add a checksum calculation helper
libnvdimm/labels: Introduce label setter helpers
libnvdimm/labels: Add isetcookie validation helper
libnvdimm/labels: Introduce getters for namespace label fields
cxl/mem: Adjust ram/pmem range to represent DPA ranges
cxl/mem: Account for partitionable space in ram/pmem ranges
cxl/pci: Store memory capacity values
cxl/pci: Simplify register setup
cxl/pci: Ignore unknown register block types
cxl/core: Move memdev management to core
...
- new driver: gpio-virtio allowing a guest VM running linux to access
GPIO lines provided by the host
- split the GPIO driver out of the rockchip pin control driver
- add support for a new model to gpio-aspeed-sgpio, refactor the driver
and use generic device property interfaces, improve property sanitization
- add ACPI support to gpio-tegra186
- improve the code setting the line names to support multiple GPIO banks
per device
- constify a bunch of OF functions in the core GPIO code and make the
declaration for one of the core OF functions we use consistent within its
header
- use software nodes in intel_quark_i2c_gpio
- add support for the gpio-line-names property in gpio-mt7621
- use the standard GPIO function for setting the GPIO names in gpio-brcmstb
- fix a bunch of leaks and other bugs in gpio-mpc8xxx
- use generic pm callbacks in gpio-ml-ioh
- improve resource management and PM handling in gpio-mlxbf2
- modernize and improve the gpio-dwapb driver
- coding style improvements in gpio-rcar
- documentation fixes and improvements
- update the MAINTAINERS entry for gpio-zynq
- minor tweaks in several drivers
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Merge tag 'gpio-updates-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"We mostly have various improvements and refactoring all over the place
but also some interesting new features - like the virtio GPIO driver
that allows guest VMs to use host's GPIOs. We also have a new/old GPIO
driver for rockchip - this one has been split out of the pinctrl
driver.
Summary:
- new driver: gpio-virtio allowing a guest VM running linux to access
GPIO lines provided by the host
- split the GPIO driver out of the rockchip pin control driver
- add support for a new model to gpio-aspeed-sgpio, refactor the
driver and use generic device property interfaces, improve property
sanitization
- add ACPI support to gpio-tegra186
- improve the code setting the line names to support multiple GPIO
banks per device
- constify a bunch of OF functions in the core GPIO code and make the
declaration for one of the core OF functions we use consistent
within its header
- use software nodes in intel_quark_i2c_gpio
- add support for the gpio-line-names property in gpio-mt7621
- use the standard GPIO function for setting the GPIO names in
gpio-brcmstb
- fix a bunch of leaks and other bugs in gpio-mpc8xxx
- use generic pm callbacks in gpio-ml-ioh
- improve resource management and PM handling in gpio-mlxbf2
- modernize and improve the gpio-dwapb driver
- coding style improvements in gpio-rcar
- documentation fixes and improvements
- update the MAINTAINERS entry for gpio-zynq
- minor tweaks in several drivers"
* tag 'gpio-updates-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (35 commits)
gpio: mpc8xxx: Use 'devm_gpiochip_add_data()' to simplify the code and avoid a leak
gpio: mpc8xxx: Fix a potential double iounmap call in 'mpc8xxx_probe()'
gpio: mpc8xxx: Fix a resources leak in the error handling path of 'mpc8xxx_probe()'
gpio: viperboard: remove platform_set_drvdata() call in probe
gpio: virtio: Add missing mailings lists in MAINTAINERS entry
gpio: virtio: Fix sparse warnings
gpio: remove the obsolete MX35 3DS BOARD MC9S08DZ60 GPIO functions
gpio: max730x: Use the right include
gpio: Add virtio-gpio driver
gpio: mlxbf2: Use DEFINE_RES_MEM_NAMED() helper macro
gpio: mlxbf2: Use devm_platform_ioremap_resource()
gpio: mlxbf2: Drop wrong use of ACPI_PTR()
gpio: mlxbf2: Convert to device PM ops
gpio: dwapb: Get rid of legacy platform data
mfd: intel_quark_i2c_gpio: Convert GPIO to use software nodes
gpio: dwapb: Read GPIO base from gpio-base property
gpio: dwapb: Unify ACPI enumeration checks in get_irq() and configure_irqs()
gpiolib: Deduplicate forward declaration in the consumer.h header
MAINTAINERS: update gpio-zynq.yaml reference
gpio: tegra186: Add ACPI support
...
- Fix dma-valid return WAITED implementation (Anthony Yznaga)
- SPDX license cleanups (Cai Huoqing)
- Split vfio-pci-core from vfio-pci and enhance PCI driver matching
to support future vendor provided vfio-pci variants (Yishai Hadas,
Max Gurtovoy, Jason Gunthorpe)
- Replace duplicated reflck with core support for managing first
open, last close, and device sets (Jason Gunthorpe, Max Gurtovoy,
Yishai Hadas)
- Fix non-modular mdev support and don't nag about request callback
support (Christoph Hellwig)
- Add semaphore to protect instruction intercept handler and replace
open-coded locks in vfio-ap driver (Tony Krowiak)
- Convert vfio-ap to vfio_register_group_dev() API (Jason Gunthorpe)
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Merge tag 'vfio-v5.15-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Fix dma-valid return WAITED implementation (Anthony Yznaga)
- SPDX license cleanups (Cai Huoqing)
- Split vfio-pci-core from vfio-pci and enhance PCI driver matching to
support future vendor provided vfio-pci variants (Yishai Hadas, Max
Gurtovoy, Jason Gunthorpe)
- Replace duplicated reflck with core support for managing first open,
last close, and device sets (Jason Gunthorpe, Max Gurtovoy, Yishai
Hadas)
- Fix non-modular mdev support and don't nag about request callback
support (Christoph Hellwig)
- Add semaphore to protect instruction intercept handler and replace
open-coded locks in vfio-ap driver (Tony Krowiak)
- Convert vfio-ap to vfio_register_group_dev() API (Jason Gunthorpe)
* tag 'vfio-v5.15-rc1' of git://github.com/awilliam/linux-vfio: (37 commits)
vfio/pci: Introduce vfio_pci_core.ko
vfio: Use kconfig if XX/endif blocks instead of repeating 'depends on'
vfio: Use select for eventfd
PCI / VFIO: Add 'override_only' support for VFIO PCI sub system
PCI: Add 'override_only' field to struct pci_device_id
vfio/pci: Move module parameters to vfio_pci.c
vfio/pci: Move igd initialization to vfio_pci.c
vfio/pci: Split the pci_driver code out of vfio_pci_core.c
vfio/pci: Include vfio header in vfio_pci_core.h
vfio/pci: Rename ops functions to fit core namings
vfio/pci: Rename vfio_pci_device to vfio_pci_core_device
vfio/pci: Rename vfio_pci_private.h to vfio_pci_core.h
vfio/pci: Rename vfio_pci.c to vfio_pci_core.c
vfio/ap_ops: Convert to use vfio_register_group_dev()
s390/vfio-ap: replace open coded locks for VFIO_GROUP_NOTIFY_SET_KVM notification
s390/vfio-ap: r/w lock for PQAP interception handler function pointer
vfio/type1: Fix vfio_find_dma_valid return
vfio-pci/zdev: Remove repeated verbose license text
vfio: platform: reset: Convert to SPDX identifier
vfio: Remove struct vfio_device_ops open/release
...
core:
- extract i915 eDP backlight into core
- DP aux bus support
- drm_device.irq_enabled removed
- port drivers to native irq interfaces
- export gem shadow plane handling for vgem
- print proper driver name in framebuffer registration
- driver fixes for implicit fencing rules
- ARM fixed rate compression modifier added
- updated fb damage handling
- rmfb ioctl logging/docs
- drop drm_gem_object_put_locked
- define DRM_FORMAT_MAX_PLANES
- add gem fb vmap/vunmap helpers
- add lockdep_assert(once) helpers
- mark drm irq midlayer as legacy
- use offset adjusted bo mapping conversion
vgaarb:
- cleanups
fbdev:
- extend efifb handling to all arches
- div by 0 fixes for multiple drivers
udmabuf:
- add hugepage mapping support
dma-buf:
- non-dynamic exporter fixups
- document implicit fencing rules
amdgpu:
- Initial Cyan Skillfish support
- switch virtual DCE over to vkms based atomic
- VCN/JPEG power down fixes
- NAVI PCIE link handling fixes
- AMD HDMI freesync fixes
- Yellow Carp + Beige Goby fixes
- Clockgating/S0ix/SMU/EEPROM fixes
- embed hw fence in job
- rework dma-resv handling
- ensure eviction to system ram
amdkfd:
- uapi: SVM address range query added
- sysfs leak fix
- GPUVM TLB optimizations
- vmfault/migration counters
i915:
- Enable JSL and EHL by default
- preliminary XeHP/DG2 support
- remove all CNL support (never shipped)
- move to TTM for discrete memory support
- allow mixed object mmap handling
- GEM uAPI spring cleaning
- add I915_MMAP_OBJECT_FIXED
- reinstate ADL-P mmap ioctls
- drop a bunch of unused by userspace features
- disable and remove GPU relocations
- revert some i915 misfeatures
- major refactoring of GuC for Gen11+
- execbuffer object locking separate step
- reject caching/set-domain on discrete
- Enable pipe DMC loading on XE-LPD and ADL-P
- add PSF GV point support
- Refactor and fix DDI buffer translations
- Clean up FBC CFB allocation code
- Finish INTEL_GEN() and friends macro conversions
nouveau:
- add eDP backlight support
- implicit fence fix
msm:
- a680/7c3 support
- drm/scheduler conversion
panfrost:
- rework GPU reset
virtio:
- fix fencing for planes
ast:
- add detect support
bochs:
- move to tiny GPU driver
vc4:
- use hotplug irqs
- HDMI codec support
vmwgfx:
- use internal vmware device headers
ingenic:
- demidlayering irq
rcar-du:
- shutdown fixes
- convert to bridge connector helpers
zynqmp-dsub:
- misc fixes
mgag200:
- convert PLL handling to atomic
mediatek:
- MT8133 AAL support
- gem mmap object support
- MT8167 support
etnaviv:
- NXP Layerscape LS1028A SoC support
- GEM mmap cleanups
tegra:
- new user API
exynos:
- missing unlock fix
- build warning fix
- use refcount_t
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Merge tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Highlights:
- i915 has seen a lot of refactoring and uAPI cleanups due to a
change in the upstream direction going forward
This has all been audited with known userspace, but there may be
some pitfalls that were missed.
- i915 now uses common TTM to enable discrete memory on DG1/2 GPUs
- i915 enables Jasper and Elkhart Lake by default and has preliminary
XeHP/DG2 support
- amdgpu adds support for Cyan Skillfish
- lots of implicit fencing rules documented and fixed up in drivers
- msm now uses the core scheduler
- the irq midlayer has been removed for non-legacy drivers
- the sysfb code now works on more than x86.
Otherwise the usual smattering of stuff everywhere, panels, bridges,
refactorings.
Detailed summary:
core:
- extract i915 eDP backlight into core
- DP aux bus support
- drm_device.irq_enabled removed
- port drivers to native irq interfaces
- export gem shadow plane handling for vgem
- print proper driver name in framebuffer registration
- driver fixes for implicit fencing rules
- ARM fixed rate compression modifier added
- updated fb damage handling
- rmfb ioctl logging/docs
- drop drm_gem_object_put_locked
- define DRM_FORMAT_MAX_PLANES
- add gem fb vmap/vunmap helpers
- add lockdep_assert(once) helpers
- mark drm irq midlayer as legacy
- use offset adjusted bo mapping conversion
vgaarb:
- cleanups
fbdev:
- extend efifb handling to all arches
- div by 0 fixes for multiple drivers
udmabuf:
- add hugepage mapping support
dma-buf:
- non-dynamic exporter fixups
- document implicit fencing rules
amdgpu:
- Initial Cyan Skillfish support
- switch virtual DCE over to vkms based atomic
- VCN/JPEG power down fixes
- NAVI PCIE link handling fixes
- AMD HDMI freesync fixes
- Yellow Carp + Beige Goby fixes
- Clockgating/S0ix/SMU/EEPROM fixes
- embed hw fence in job
- rework dma-resv handling
- ensure eviction to system ram
amdkfd:
- uapi: SVM address range query added
- sysfs leak fix
- GPUVM TLB optimizations
- vmfault/migration counters
i915:
- Enable JSL and EHL by default
- preliminary XeHP/DG2 support
- remove all CNL support (never shipped)
- move to TTM for discrete memory support
- allow mixed object mmap handling
- GEM uAPI spring cleaning
- add I915_MMAP_OBJECT_FIXED
- reinstate ADL-P mmap ioctls
- drop a bunch of unused by userspace features
- disable and remove GPU relocations
- revert some i915 misfeatures
- major refactoring of GuC for Gen11+
- execbuffer object locking separate step
- reject caching/set-domain on discrete
- Enable pipe DMC loading on XE-LPD and ADL-P
- add PSF GV point support
- Refactor and fix DDI buffer translations
- Clean up FBC CFB allocation code
- Finish INTEL_GEN() and friends macro conversions
nouveau:
- add eDP backlight support
- implicit fence fix
msm:
- a680/7c3 support
- drm/scheduler conversion
panfrost:
- rework GPU reset
virtio:
- fix fencing for planes
ast:
- add detect support
bochs:
- move to tiny GPU driver
vc4:
- use hotplug irqs
- HDMI codec support
vmwgfx:
- use internal vmware device headers
ingenic:
- demidlayering irq
rcar-du:
- shutdown fixes
- convert to bridge connector helpers
zynqmp-dsub:
- misc fixes
mgag200:
- convert PLL handling to atomic
mediatek:
- MT8133 AAL support
- gem mmap object support
- MT8167 support
etnaviv:
- NXP Layerscape LS1028A SoC support
- GEM mmap cleanups
tegra:
- new user API
exynos:
- missing unlock fix
- build warning fix
- use refcount_t"
* tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm: (1318 commits)
drm/amd/display: Move AllowDRAMSelfRefreshOrDRAMClockChangeInVblank to bounding box
drm/amd/display: Remove duplicate dml init
drm/amd/display: Update bounding box states (v2)
drm/amd/display: Update number of DCN3 clock states
drm/amdgpu: disable GFX CGCG in aldebaran
drm/amdgpu: Clear RAS interrupt status on aldebaran
drm/amdgpu: Add support for RAS XGMI err query
drm/amdkfd: Account for SH/SE count when setting up cu masks.
drm/amdgpu: rename amdgpu_bo_get_preferred_pin_domain
drm/amdgpu: drop redundant cancel_delayed_work_sync call
drm/amdgpu: add missing cleanups for more ASICs on UVD/VCE suspend
drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend
drm/amdkfd: map SVM range with correct access permission
drm/amdkfd: check access permisson to restore retry fault
drm/amdgpu: Update RAS XGMI Error Query
drm/amdgpu: Add driver infrastructure for MCA RAS
drm/amd/display: Add Logging for HDMI color depth information
drm/amd/amdgpu: consolidate PSP TA init shared buf functions
drm/amd/amdgpu: add name field back to ras_common_if
drm/amdgpu: Fix build with missing pm_suspend_target_state module export
...
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Merge tag 'media/v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new sensor drivers: imx335, imx412, ov9282
- new IR transmitter driver: meson-ir-tx
- handro driver gained support for H.264 for Rockchip VDPU2
- imx gained support for i.MX8MQ
- ti-vpe has gained support for other SoC variants
- lots of cleanups, fixes, board additions and doc improvements
* tag 'media/v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (195 commits)
media: venus: venc: add support for V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM control
media: venus: venc: Add support for intra-refresh period
media: v4l2-ctrls: Add intra-refresh period control
media: docs: ext-ctrls-codec: Document cyclic intra-refresh zero control value
media: venus: helper: do not set constrained parameters for UBWC
media: venus: venc: Fix potential null pointer dereference on pointer fmt
media: venus: hfi: fix return value check in sys_get_prop_image_version()
media: tegra-cec: Handle errors of clk_prepare_enable()
media: cec-pin: rename timer overrun variables
media: TDA1997x: report -ENOLINK after disconnecting HDMI source
media: TDA1997x: fix tda1997x_query_dv_timings() return value
media: Fix cosmetic error in TDA1997x driver
media: v4l2-dv-timings.c: fix wrong condition in two for-loops
media: imx: add a driver for i.MX8MQ mipi csi rx phy and controller
media: dt-bindings: media: document the nxp,imx8mq-mipi-csi2 receiver phy and controller
media: imx: imx7_mipi_csis: convert some switch cases to the default
media: imx: imx7-media-csi: Fix buffer return upon stream start failure
media: imx: imx7-media-csi: Don't set PIXEL_BIT in CSICR1
media: imx: imx7-media-csi: Set TWO_8BIT_SENSOR for >= 10-bit formats
media: dt-bindings: media: nxp,imx7-csi: Add i.MX8MM support
...
Here is the big set of char/misc driver changes for 5.15-rc1.
Lots of different driver subsystems are being updated in here, notably:
- mhi subsystem update
- fpga subsystem update
- coresight/hwtracing subsystem update
- interconnect subsystem update
- nvmem subsystem update
- parport drivers update
- phy subsystem update
- soundwire subsystem update
and there are some other char/misc drivers being updated as well:
- binder driver additions
- new misc drivers
- lkdtm driver updates
- mei driver updates
- sram driver updates
- other minor driver updates.
Note, there are no habanna labs driver updates in this pull request,
that will probably come later before -rc1 is out in a different request.
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc driver updates from Greg KH:
"Here is the big set of char/misc driver changes for 5.15-rc1.
Lots of different driver subsystems are being updated in here,
notably:
- mhi subsystem update
- fpga subsystem update
- coresight/hwtracing subsystem update
- interconnect subsystem update
- nvmem subsystem update
- parport drivers update
- phy subsystem update
- soundwire subsystem update
and there are some other char/misc drivers being updated as well:
- binder driver additions
- new misc drivers
- lkdtm driver updates
- mei driver updates
- sram driver updates
- other minor driver updates.
Note, there are no habanalabs driver updates in this pull request,
that will probably come later before -rc1 is out in a different
request.
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (169 commits)
Revert "bus: mhi: Add inbound buffers allocation flag"
misc/pvpanic: fix set driver data
VMCI: fix NULL pointer dereference when unmapping queue pair
char: mware: fix returnvar.cocci warnings
parport: remove non-zero check on count
soundwire: cadence: do not extend reset delay
soundwire: intel: conditionally exit clock stop mode on system suspend
soundwire: intel: skip suspend/resume/wake when link was not started
soundwire: intel: fix potential race condition during power down
phy: qcom-qmp: Add support for SM6115 UFS phy
dt-bindings: phy: qcom,qmp: Add SM6115 UFS PHY bindings
phy: qmp: Provide unique clock names for DP clocks
lkdtm: remove IDE_CORE_CP crashpoint
lkdtm: replace SCSI_DISPATCH_CMD with SCSI_QUEUE_RQ
coresight: Replace deprecated CPU-hotplug functions.
Documentation: coresight: Add documentation for CoreSight config
coresight: syscfg: Add initial configfs support
coresight: config: Add preloaded configurations
coresight: etm4x: Add complex configuration handlers to etmv4
coresight: etm-perf: Update to activate selected configuration
...
- Enable memcg accounting for various networking objects.
BPF:
- Introduce bpf timers.
- Add perf link and opaque bpf_cookie which the program can read
out again, to be used in libbpf-based USDT library.
- Add bpf_task_pt_regs() helper to access user space pt_regs
in kprobes, to help user space stack unwinding.
- Add support for UNIX sockets for BPF sockmap.
- Extend BPF iterator support for UNIX domain sockets.
- Allow BPF TCP congestion control progs and bpf iterators to call
bpf_setsockopt(), e.g. to switch to another congestion control
algorithm.
Protocols:
- Support IOAM Pre-allocated Trace with IPv6.
- Support Management Component Transport Protocol.
- bridge: multicast: add vlan support.
- netfilter: add hooks for the SRv6 lightweight tunnel driver.
- tcp:
- enable mid-stream window clamping (by user space or BPF)
- allow data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD
- more accurate DSACK processing for RACK-TLP
- mptcp:
- add full mesh path manager option
- add partial support for MP_FAIL
- improve use of backup subflows
- optimize option processing
- af_unix: add OOB notification support.
- ipv6: add IFLA_INET6_RA_MTU to expose MTU value advertised by
the router.
- mac80211: Target Wake Time support in AP mode.
- can: j1939: extend UAPI to notify about RX status.
Driver APIs:
- Add page frag support in page pool API.
- Many improvements to the DSA (distributed switch) APIs.
- ethtool: extend IRQ coalesce uAPI with timer reset modes.
- devlink: control which auxiliary devices are created.
- Support CAN PHYs via the generic PHY subsystem.
- Proper cross-chip support for tag_8021q.
- Allow TX forwarding for the software bridge data path to be
offloaded to capable devices.
Drivers:
- veth: more flexible channels number configuration.
- openvswitch: introduce per-cpu upcall dispatch.
- Add internet mix (IMIX) mode to pktgen.
- Transparently handle XDP operations in the bonding driver.
- Add LiteETH network driver.
- Renesas (ravb):
- support Gigabit Ethernet IP
- NXP Ethernet switch (sja1105)
- fast aging support
- support for "H" switch topologies
- traffic termination for ports under VLAN-aware bridge
- Intel 1G Ethernet
- support getcrosststamp() with PCIe PTM (Precision Time
Measurement) for better time sync
- support Credit-Based Shaper (CBS) offload, enabling HW traffic
prioritization and bandwidth reservation
- Broadcom Ethernet (bnxt)
- support pulse-per-second output
- support larger Rx rings
- Mellanox Ethernet (mlx5)
- support ethtool RSS contexts and MQPRIO channel mode
- support LAG offload with bridging
- support devlink rate limit API
- support packet sampling on tunnels
- Huawei Ethernet (hns3):
- basic devlink support
- add extended IRQ coalescing support
- report extended link state
- Netronome Ethernet (nfp):
- add conntrack offload support
- Broadcom WiFi (brcmfmac):
- add WPA3 Personal with FT to supported cipher suites
- support 43752 SDIO device
- Intel WiFi (iwlwifi):
- support scanning hidden 6GHz networks
- support for a new hardware family (Bz)
- Xen pv driver:
- harden netfront against malicious backends
- Qualcomm mobile
- ipa: refactor power management and enable automatic suspend
- mhi: move MBIM to WWAN subsystem interfaces
Refactor:
- Ambient BPF run context and cgroup storage cleanup.
- Compat rework for ndo_ioctl.
Old code removal:
- prism54 remove the obsoleted driver, deprecated by the p54 driver.
- wan: remove sbni/granch driver.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core:
- Enable memcg accounting for various networking objects.
BPF:
- Introduce bpf timers.
- Add perf link and opaque bpf_cookie which the program can read out
again, to be used in libbpf-based USDT library.
- Add bpf_task_pt_regs() helper to access user space pt_regs in
kprobes, to help user space stack unwinding.
- Add support for UNIX sockets for BPF sockmap.
- Extend BPF iterator support for UNIX domain sockets.
- Allow BPF TCP congestion control progs and bpf iterators to call
bpf_setsockopt(), e.g. to switch to another congestion control
algorithm.
Protocols:
- Support IOAM Pre-allocated Trace with IPv6.
- Support Management Component Transport Protocol.
- bridge: multicast: add vlan support.
- netfilter: add hooks for the SRv6 lightweight tunnel driver.
- tcp:
- enable mid-stream window clamping (by user space or BPF)
- allow data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD
- more accurate DSACK processing for RACK-TLP
- mptcp:
- add full mesh path manager option
- add partial support for MP_FAIL
- improve use of backup subflows
- optimize option processing
- af_unix: add OOB notification support.
- ipv6: add IFLA_INET6_RA_MTU to expose MTU value advertised by the
router.
- mac80211: Target Wake Time support in AP mode.
- can: j1939: extend UAPI to notify about RX status.
Driver APIs:
- Add page frag support in page pool API.
- Many improvements to the DSA (distributed switch) APIs.
- ethtool: extend IRQ coalesce uAPI with timer reset modes.
- devlink: control which auxiliary devices are created.
- Support CAN PHYs via the generic PHY subsystem.
- Proper cross-chip support for tag_8021q.
- Allow TX forwarding for the software bridge data path to be
offloaded to capable devices.
Drivers:
- veth: more flexible channels number configuration.
- openvswitch: introduce per-cpu upcall dispatch.
- Add internet mix (IMIX) mode to pktgen.
- Transparently handle XDP operations in the bonding driver.
- Add LiteETH network driver.
- Renesas (ravb):
- support Gigabit Ethernet IP
- NXP Ethernet switch (sja1105):
- fast aging support
- support for "H" switch topologies
- traffic termination for ports under VLAN-aware bridge
- Intel 1G Ethernet
- support getcrosststamp() with PCIe PTM (Precision Time
Measurement) for better time sync
- support Credit-Based Shaper (CBS) offload, enabling HW traffic
prioritization and bandwidth reservation
- Broadcom Ethernet (bnxt)
- support pulse-per-second output
- support larger Rx rings
- Mellanox Ethernet (mlx5)
- support ethtool RSS contexts and MQPRIO channel mode
- support LAG offload with bridging
- support devlink rate limit API
- support packet sampling on tunnels
- Huawei Ethernet (hns3):
- basic devlink support
- add extended IRQ coalescing support
- report extended link state
- Netronome Ethernet (nfp):
- add conntrack offload support
- Broadcom WiFi (brcmfmac):
- add WPA3 Personal with FT to supported cipher suites
- support 43752 SDIO device
- Intel WiFi (iwlwifi):
- support scanning hidden 6GHz networks
- support for a new hardware family (Bz)
- Xen pv driver:
- harden netfront against malicious backends
- Qualcomm mobile
- ipa: refactor power management and enable automatic suspend
- mhi: move MBIM to WWAN subsystem interfaces
Refactor:
- Ambient BPF run context and cgroup storage cleanup.
- Compat rework for ndo_ioctl.
Old code removal:
- prism54 remove the obsoleted driver, deprecated by the p54 driver.
- wan: remove sbni/granch driver"
* tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1715 commits)
net: Add depends on OF_NET for LiteX's LiteETH
ipv6: seg6: remove duplicated include
net: hns3: remove unnecessary spaces
net: hns3: add some required spaces
net: hns3: clean up a type mismatch warning
net: hns3: refine function hns3_set_default_feature()
ipv6: remove duplicated 'net/lwtunnel.h' include
net: w5100: check return value after calling platform_get_resource()
net/mlxbf_gige: Make use of devm_platform_ioremap_resourcexxx()
net: mdio: mscc-miim: Make use of the helper function devm_platform_ioremap_resource()
net: mdio-ipq4019: Make use of devm_platform_ioremap_resource()
fou: remove sparse errors
ipv4: fix endianness issue in inet_rtm_getroute_build_skb()
octeontx2-af: Set proper errorcode for IPv4 checksum errors
octeontx2-af: Fix static code analyzer reported issues
octeontx2-af: Fix mailbox errors in nix_rss_flowkey_cfg
octeontx2-af: Fix loop in free and unmap counter
af_unix: fix potential NULL deref in unix_dgram_connect()
dpaa2-eth: Replace strlcpy with strscpy
octeontx2-af: Use NDC TX for transmit packet data
...
Lightnvm supports the OCSSD 1.x and 2.0 specs which were early attempts
to produce Open Channel SSDs and never made it into the NVMe spec
proper. They have since been superceeded by NVMe enhancements such
as ZNS support. Remove the support per the deprecation schedule.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210812132308.38486-1-hch@lst.de
Reviewed-by: Matias Bjørling <mb@lightnvm.io>
Reviewed-by: Javier González <javier@javigon.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This pairs with vfio_init_group_dev() and allows undoing any state that is
stored in the vfio_device unrelated to registration. Add appropriately
placed calls to all the drivers.
The following patch will use this to add pre-registration state for the
device set.
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/3-v4-9ea22c5e6afb+1adf-vfio_reflck_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
The register mapping infrastructure is large enough to move to its own
compilation unit. This also cleans up an unnecessary include of <mem.h>
core/bus.c.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/162800068975.665205.12895551621746585289.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Refactor the pmem / nvdimm-bridge functionality from core/bus.c to
core/pmem.c. Introduce drivers/core/core.h to communicate data
structures and helpers between the core bus and other functionality that
registers devices on the bus.
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/162792538899.368511.3881663908293411300.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
CXL core is growing, and it's already arguably unmanageable. To support
future growth, move core functionality to a new directory and rename the
file to represent just bus support. Future work will remove non-bus
functionality.
Note that mem.h is renamed to cxlmem.h to avoid a namespace collision
with the global ARCH=um mem.h header.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/162792537866.368511.8915631504621088321.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Merge tag 'v5.14-rc4' into media_tree
Linux 5.14-rc4
* tag 'v5.14-rc4': (948 commits)
Linux 5.14-rc4
pipe: make pipe writes always wake up readers
Revert "perf map: Fix dso->nsinfo refcounting"
mm/memcg: fix NULL pointer dereference in memcg_slab_free_hook()
slub: fix unreclaimable slab stat for bulk free
mm/migrate: fix NR_ISOLATED corruption on 64-bit
mm: memcontrol: fix blocking rstat function called from atomic cgroup1 thresholding code
ocfs2: issue zeroout to EOF blocks
ocfs2: fix zero out valid data
lib/test_string.c: move string selftest in the Runtime Testing menu
gve: Update MAINTAINERS list
arch: Kconfig: clean up obsolete use of HAVE_IDE
can: esd_usb2: fix memory leak
can: ems_usb: fix memory leak
can: usb_8dev: fix memory leak
can: mcba_usb_start(): add missing urb->transfer_dma initialization
can: hi311x: fix a signedness bug in hi3110_cmd()
MAINTAINERS: add Yasushi SHOJI as reviewer for the Microchip CAN BUS Analyzer Tool driver
scsi: fas216: Fix fall-through warning for Clang
scsi: acornscsi: Fix fall-through warning for clang
...
Rework LP-11 and LP-111 mode documentation to make it more understandable
and useful. This involves adding pre_streamon and post_streamon callbacks
that make it possible to explicitly transition the transmitter to either
mode.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Fix kerneldoc syntax in v4l2-async. The references were not produced
correctly.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Modernise the documentation to make it more precise and update the use of
pixel rate control and various other changes. In particular:
- Use non-proportional font for file names, properties as well as
controls.
- The unit of the HBLANK control is pixels, not lines.
- The unit of PIXEL_RATE control is pixels per second, not Hz.
- Merge common requirements for CSI-2 and parallel busses.
- Include all DT properties needed for assigned clocks.
- Fix referencing the link rate control.
- SMIA driver's new name is CCS driver.
- The PIXEL_RATE control denotes pixel rate on the pixel array on camera
sensors. Do not suggest it is used to tell the maximum pixel rate on the
bus anymore.
- Improve ReST syntax (plain struct and function names).
- Remove the suggestion to use s_power() in receiver drivers.
- Make MIPI website URL use HTTPS, add Wikipedia links to BT.601 and
BT.656.
Fixes: e4cf8c58af ("media: Documentation: media: Document how to write camera sensor drivers")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Andrey Konovalov <andrey.konovalov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
FPGA Manager
- Navin's change removes a duplicate word in a comment
- Tom's change fixes a spelling mistake
- Mauro's change fixes up documentation
- Tom's second set adds wrappers to allow drivers not having to
implement empty functions by moving checks into fpga-mgr core code
- My changes address a bunch of warnings
DFL
- Martin's change adds a new PCI ID for Silicom N501x PAC cards
All patches have been reviewed on the mailing list, and have been in the
last linux-next releases (as part of my for-next branch).
I did get a complaint about one of the commit messages w/ a Fixes: tags
which has been addressed.
Signed-offy-by: Moritz Fischer <mdf@kernel.org>
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Merge tag 'fpga-for-5.15-early' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-next
Moritz writes:
FPGA Manager Changes for 5.15-rc1
FPGA Manager
- Navin's change removes a duplicate word in a comment
- Tom's change fixes a spelling mistake
- Mauro's change fixes up documentation
- Tom's second set adds wrappers to allow drivers not having to
implement empty functions by moving checks into fpga-mgr core code
- My changes address a bunch of warnings
DFL
- Martin's change adds a new PCI ID for Silicom N501x PAC cards
All patches have been reviewed on the mailing list, and have been in the
last linux-next releases (as part of my for-next branch).
I did get a complaint about one of the commit messages w/ a Fixes: tags
which has been addressed.
Signed-offy-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-for-5.15-early' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: fpga-mgr: wrap the write_sg() op
fpga: fpga-mgr: wrap the fpga_remove() op
fpga: fpga-mgr: wrap the state() op
fpga: fpga-mgr: wrap the status() op
fpga: fpga-mgr: wrap the write() op
fpga: fpga-mgr: make write_complete() op optional
fpga: fpga-mgr: wrap the write_init() op
fpga: zynqmp-fpga: Address warning about unused variable
fpga: xilinx-pr-decoupler: Address warning about unused variable
fpga: xiilnx-spi: Address warning about unused variable
fpga: altera-freeze-bridge: Address warning about unused variable
fpga: dfl: pci: add device IDs for Silicom N501x PAC cards
fpga: fpga-bridge: removed repeated word
fpga: fix spelling mistakes
docs: driver-api: fpga: avoid using UTF-8 chars
Required bump from v5.13-rc3 to v5.14-rc3, and to pick up sysfb compilation fixes.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Like many free software projects, Nouveau recently moved from Freenode
to OFTC. Update the reference.
v3: Add acks.
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210725150007.2818-1-alyssa@rosenzweig.io
Neither the core nor the drivers modify the passed pointer to struct
nfc_llc_ops, so make it a pointer to const for correctness and safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The description of adap_enable was out-of-date. Improve it so that it
corresponds to what really happens.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
While UTF-8 characters can be used at the Linux documentation,
the best is to use them only when ASCII doesn't offer a good replacement.
So, replace the occurences of the following UTF-8 characters:
- U+2014 ('—'): EM DASH
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
I was confused about the gpiod_flags values and thought that
GPIOD_OUT_LOW and GPIOD_OUT_HIGH set the line to be active low / active
high. This is not true, but I got the misconception because the flags
GPIOD_OUT_*_OPEN_DRAIN do change line configuration and there's a
subchapter about *active low* and *open drain* semantics.
Add an explicit mention that the initial value is a logical value (and
not the line configuration or physical line level). Also add a mention
of the function gpiod_toggle_active_low which was previously missing
from this document.
Signed-off-by: Hannu Hartikainen <hannu@hrtk.in>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
This function was removed in commit f1f37abbe6 ("gpio: Retire the
explicit gpio irqchip code") but this mention was left behind.
Also, mention that .set_type() only has to set a line handler if the chip
is cascaded, as opposed to hierarchical.
Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
UAPI Changes:
Cross-subsystem Changes:
- udmabuf: Add support for mapping hugepages
- Add dma-buf stats to sysfs.
- Assorted fixes to fbdev/omap2.
- dma-buf: Document DMA_BUF_IOCTL_SYNC
- Improve dma-buf non-dynamic exporter expectations better.
- Add module parameters for dma-buf size and list limit.
- Add HDMI codec support to vc4, to replace vc4's own codec.
- Document dma-buf implicit fencing rules.
- dma_resv_test_signaled test_all handling.
Core Changes:
- Extract i915's eDP backlight code into DRM helpers.
- Assorted docbook updates.
- Rework drm_dp_aux documentation.
- Add support for the DP aux bus.
- Shrink dma-fence-chain slightly.
- Add alloc/free helpers for dma-fence-chain.
- Assorted fixes to TTM., drm/of, bridge
- drm_gem_plane_helper_prepare/cleanup_fb is now the default for gem drivers.
- Small fix for scheduler completion.
- Remove use of drm_device.irq_enabled.
- Print the driver name to dmesg when registering framebuffer.
- Export drm/gem's shadow plane handling, and use it in vkms.
- Assorted small fixes.
Driver Changes:
- Add eDP backlight to nouveau.
- Assorted fixes and cleanups to nouveau, panfrost, vmwgfx, anx7625,
amdgpu, gma500, radeon, mgag200, vgem, vc4, vkms, omapdrm.
- Add support for Samsung DB7430, Samsung ATNA33XC20, EDT ETMV570G2DHU,
EDT ETM0350G0DH6, Innolux EJ030NA panels.
- Fix some simple pannels missing bus_format and connector types.
- Add mks-guest-stats instrumentation support to vmwgfx.
- Merge i915-ttm topic branch.
- Make s6e63m0 panel use Mipi-DBI helpers.
- Add detect() supoprt for AST.
- Use interrupts for hotplug on vc4.
- vmwgfx is now moved to drm-misc-next, as sroland is no longer a maintainer for now.
- vmwgfx now uses copies of vmware's internal device headers.
- Slowly convert ti-sn65dsi83 over to atomic.
- Rework amdgpu dma-resv handling.
- Fix virtio fencing for planes.
- Ensure amdgpu can always evict to SYSTEM.
- Many drivers fixed for implicit fencing rules.
- Set default prepare/cleanup fb for tiny, vram and simple helpers too.
- Rework panfrost gpu reset and related serialization.
- Update VKMS todo list.
- Make bochs a tiny gpu driver, and use vram helper.
- Use linux irq interfaces instead of drm_irq in some drivers.
- Add support for Raspberry Pi Pico to GUD.
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Merge tag 'drm-misc-next-2021-07-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v5.15:
UAPI Changes:
Cross-subsystem Changes:
- udmabuf: Add support for mapping hugepages
- Add dma-buf stats to sysfs.
- Assorted fixes to fbdev/omap2.
- dma-buf: Document DMA_BUF_IOCTL_SYNC
- Improve dma-buf non-dynamic exporter expectations better.
- Add module parameters for dma-buf size and list limit.
- Add HDMI codec support to vc4, to replace vc4's own codec.
- Document dma-buf implicit fencing rules.
- dma_resv_test_signaled test_all handling.
Core Changes:
- Extract i915's eDP backlight code into DRM helpers.
- Assorted docbook updates.
- Rework drm_dp_aux documentation.
- Add support for the DP aux bus.
- Shrink dma-fence-chain slightly.
- Add alloc/free helpers for dma-fence-chain.
- Assorted fixes to TTM., drm/of, bridge
- drm_gem_plane_helper_prepare/cleanup_fb is now the default for gem drivers.
- Small fix for scheduler completion.
- Remove use of drm_device.irq_enabled.
- Print the driver name to dmesg when registering framebuffer.
- Export drm/gem's shadow plane handling, and use it in vkms.
- Assorted small fixes.
Driver Changes:
- Add eDP backlight to nouveau.
- Assorted fixes and cleanups to nouveau, panfrost, vmwgfx, anx7625,
amdgpu, gma500, radeon, mgag200, vgem, vc4, vkms, omapdrm.
- Add support for Samsung DB7430, Samsung ATNA33XC20, EDT ETMV570G2DHU,
EDT ETM0350G0DH6, Innolux EJ030NA panels.
- Fix some simple pannels missing bus_format and connector types.
- Add mks-guest-stats instrumentation support to vmwgfx.
- Merge i915-ttm topic branch.
- Make s6e63m0 panel use Mipi-DBI helpers.
- Add detect() supoprt for AST.
- Use interrupts for hotplug on vc4.
- vmwgfx is now moved to drm-misc-next, as sroland is no longer a maintainer for now.
- vmwgfx now uses copies of vmware's internal device headers.
- Slowly convert ti-sn65dsi83 over to atomic.
- Rework amdgpu dma-resv handling.
- Fix virtio fencing for planes.
- Ensure amdgpu can always evict to SYSTEM.
- Many drivers fixed for implicit fencing rules.
- Set default prepare/cleanup fb for tiny, vram and simple helpers too.
- Rework panfrost gpu reset and related serialization.
- Update VKMS todo list.
- Make bochs a tiny gpu driver, and use vram helper.
- Use linux irq interfaces instead of drm_irq in some drivers.
- Add support for Raspberry Pi Pico to GUD.
Signed-off-by: Dave Airlie <airlied@redhat.com>
# gpg: Signature made Fri 16 Jul 2021 21:06:04 AEST
# gpg: using RSA key B97BD6A80CAC4981091AE547FE558C72A67013C3
# gpg: Good signature from "Maarten Lankhorst <maarten.lankhorst@linux.intel.com>" [expired]
# gpg: aka "Maarten Lankhorst <maarten@debian.org>" [expired]
# gpg: aka "Maarten Lankhorst <maarten.lankhorst@canonical.com>" [expired]
# gpg: Note: This key has expired!
# Primary key fingerprint: B97B D6A8 0CAC 4981 091A E547 FE55 8C72 A670 13C3
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/444811c3-cbec-e9d5-9a6b-9632eda7962a@linux.intel.com
Documentation was not changed when renaming the script in commit
80e715a06c ("initramfs: rename gen_initramfs_list.sh to
gen_initramfs.sh"). Fixing this.
Basically does:
$ sed -i -e s/gen_initramfs_list.sh/gen_initramfs.sh/g $(git grep -l gen_initramfs_list.sh)
Fixes: 80e715a06c ("initramfs: rename gen_initramfs_list.sh to gen_initramfs.sh")
Signed-off-by: Robert Richter <rrichter@amd.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This contains mostly various fixes, cleanups and some conversions to the
atomic API. One noteworthy change is that PWM consumers can now pass a
hint to the PWM core about the PWM usage, enabling PWM providers to
implement various optimizations.
There's also a fair bit of simplification here with the addition of some
device-managed helpers as well as unification between the DT and ACPI
firmware interfaces.
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Merge tag 'pwm/for-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This contains mostly various fixes, cleanups and some conversions to
the atomic API. One noteworthy change is that PWM consumers can now
pass a hint to the PWM core about the PWM usage, enabling PWM
providers to implement various optimizations.
There's also a fair bit of simplification here with the addition of
some device-managed helpers as well as unification between the DT and
ACPI firmware interfaces"
* tag 'pwm/for-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (50 commits)
pwm: Remove redundant assignment to pointer pwm
pwm: ep93xx: Fix read of uninitialized variable ret
pwm: ep93xx: Prepare clock before using it
pwm: ep93xx: Unfold legacy callbacks into ep93xx_pwm_apply()
pwm: ep93xx: Implement .apply callback
pwm: vt8500: Only unprepare the clock after the pwmchip was removed
pwm: vt8500: Drop if with an always false condition
pwm: tegra: Assert reset only after the PWM was unregistered
pwm: tegra: Don't needlessly enable and disable the clock in .remove()
pwm: tegra: Don't modify HW state in .remove callback
pwm: tegra: Drop an if block with an always false condition
pwm: core: Simplify some devm_*pwm*() functions
pwm: core: Remove unused devm_pwm_put()
pwm: core: Unify fwnode checks in the module
pwm: core: Reuse fwnode_to_pwmchip() in ACPI case
pwm: core: Convert to use fwnode for matching
docs: firmware-guide: ACPI: Add a PWM example
dt-bindings: pwm: pwm-tiecap: Add compatible string for AM64 SoC
dt-bindings: pwm: pwm-tiecap: Convert to json schema
pwm: sprd: Don't check the return code of pwmchip_remove()
...
Here is the big set of USB and Thunderbolt patches for 5.14-rc1.
Nothing major here just lots of little changes for new hardware and
features. Highlights are:
- more USB 4 support added to the thunderbolt core
- build warning fixes all over the place
- usb-serial driver updates and new device support
- mtu3 driver updates
- gadget driver updates
- dwc3 driver updates
- dwc2 driver updates
- isp1760 host driver updates
- musb driver updates
- lots of other tiny things.
Full details are in the shortlog.
All of these have been in linux-next for a while now with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt patches for 5.14-rc1.
Nothing major here just lots of little changes for new hardware and
features. Highlights are:
- more USB 4 support added to the thunderbolt core
- build warning fixes all over the place
- usb-serial driver updates and new device support
- mtu3 driver updates
- gadget driver updates
- dwc3 driver updates
- dwc2 driver updates
- isp1760 host driver updates
- musb driver updates
- lots of other tiny things.
Full details are in the shortlog.
All of these have been in linux-next for a while now with no reported
issues"
* tag 'usb-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (223 commits)
phy: qcom-qusb2: Add configuration for SM4250 and SM6115
dt-bindings: phy: qcom,qusb2: document sm4250/6115 compatible
dt-bindings: usb: qcom,dwc3: Add bindings for sm6115/4250
USB: cdc-acm: blacklist Heimann USB Appset device
usb: xhci-mtk: allow multiple Start-Split in a microframe
usb: ftdi-elan: remove redundant continue statement in a while-loop
usb: class: cdc-wdm: return the correct errno code
xhci: remove redundant continue statement
usb: dwc3: Fix debugfs creation flow
usb: gadget: hid: fix error return code in hid_bind()
usb: gadget: eem: fix echo command packet response issue
usb: gadget: f_hid: fix endianness issue with descriptors
Revert "USB: misc: Add onboard_usb_hub driver"
Revert "of/platform: Add stubs for of_platform_device_create/destroy()"
Revert "usb: host: xhci-plat: Create platform device for onboard hubs in probe()"
Revert "arm64: dts: qcom: sc7180-trogdor: Add nodes for onboard USB hub"
xhci: solve a double free problem while doing s4
xhci: handle failed buffer copy to URB sg list and fix a W=1 copiler warning
xhci: Add adaptive interrupt rate for isoch TRBs with XHCI_AVOID_BEI quirk
xhci: Remove unused defines for ERST_SIZE and ERST_ENTRIES
...
Here is the big set of tty and serial driver patches for 5.14-rc1.
A bit more than normal, but nothing major, lots of cleanups. Highlights
are:
- lots of tty api cleanups and mxser driver cleanups from Jiri
- build warning fixes
- various serial driver updates
- coding style cleanups
- various tty driver minor fixes and updates
- removal of broken and disable r3964 line discipline (finally!)
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial updates from Greg KH:
"Here is the big set of tty and serial driver patches for 5.14-rc1.
A bit more than normal, but nothing major, lots of cleanups.
Highlights are:
- lots of tty api cleanups and mxser driver cleanups from Jiri
- build warning fixes
- various serial driver updates
- coding style cleanups
- various tty driver minor fixes and updates
- removal of broken and disable r3964 line discipline (finally!)
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (227 commits)
serial: mvebu-uart: remove unused member nb from struct mvebu_uart
arm64: dts: marvell: armada-37xx: Fix reg for standard variant of UART
dt-bindings: mvebu-uart: fix documentation
serial: mvebu-uart: correctly calculate minimal possible baudrate
serial: mvebu-uart: do not allow changing baudrate when uartclk is not available
serial: mvebu-uart: fix calculation of clock divisor
tty: make linux/tty_flip.h self-contained
serial: Prefer unsigned int to bare use of unsigned
serial: 8250: 8250_omap: Fix possible interrupt storm on K3 SoCs
serial: qcom_geni_serial: use DT aliases according to DT bindings
Revert "tty: serial: Add UART driver for Cortina-Access platform"
tty: serial: Add UART driver for Cortina-Access platform
MAINTAINERS: add me back as mxser maintainer
mxser: Documentation, fix typos
mxser: Documentation, make the docs up-to-date
mxser: Documentation, remove traces of callout device
mxser: introduce mxser_16550A_or_MUST helper
mxser: rename flags to old_speed in mxser_set_serial_info
mxser: use port variable in mxser_set_serial_info
mxser: access info->MCR under info->slock
...
Here is the big set of IIO and staging driver patches for 5.14-rc1.
Loads of IIO driver updates and additions in here, the shortlog has the
full details.
For the staging side, we moved a few drivers out of staging, and deleted
the kpc2000 drivers as the original developer asked us to because no one
was working on them anymore.
Also in here are loads of coding style cleanups due to different intern
projects focusing on the staging tree to try to get experience doing
kernel development.
All of these have been in the linux-next tree for a while with no
reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / IIO driver updates from Greg KH:
"Here is the big set of IIO and staging driver patches for 5.14-rc1.
Loads of IIO driver updates and additions in here, the shortlog has
the full details.
For the staging side, we moved a few drivers out of staging, and
deleted the kpc2000 drivers as the original developer asked us to
because no one was working on them anymore.
Also in here are loads of coding style cleanups due to different
intern projects focusing on the staging tree to try to get experience
doing kernel development.
All of these have been in the linux-next tree for a while with no
reported problems"
* tag 'staging-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (744 commits)
staging: hi6421-spmi-pmic: cleanup some macros
staging: hi6421-spmi-pmic: change identation of a table
staging: hi6421-spmi-pmic: change a return code
staging: hi6421-spmi-pmic: better name IRQs
staging: hi6421-spmi-pmic: use devm_request_threaded_irq()
staging: hisilicon,hi6421-spmi-pmic.yaml: cleanup descriptions
spmi: hisi-spmi-controller: move driver from staging
phy: phy-hi3670-usb3: move driver from staging into phy
staging: rtl8188eu: remove include/rtw_debug.h header
staging: rtl8188eu: remove GlobalDebugLevel variable
staging: rtl8188eu: remove DRIVER_PREFIX preprocessor definition
staging: rtl8188eu: remove RT_TRACE macro
staging: rtl8188eu: remove all RT_TRACE calls from hal/rtl8188eu_recv.c
staging: rtl8188eu: remove all RT_TRACE calls from hal/hal_intf.c
staging: rtl8188eu: remove all RT_TRACE calls from hal/rtl8188eu_xmit.c
staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_xmit.c
staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_pwrctrl.c
staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_recv.c
staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_ioctl_set.c
staging: rtl8188eu: remove all RT_TRACE calls from core/rtw_ieee80211.c
...
Here is the small set of driver core and debugfs updates for 5.14-rc1.
Included in here are:
- debugfs api cleanups (touched some drivers)
- devres updates
- tiny driver core updates and tweaks
Nothing major in here at all, and 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-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core changes from Greg KH:
"Here is the small set of driver core and debugfs updates for 5.14-rc1.
Included in here are:
- debugfs api cleanups (touched some drivers)
- devres updates
- tiny driver core updates and tweaks
Nothing major in here at all, and all have been in linux-next for a
while with no reported issues"
* tag 'driver-core-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (27 commits)
docs: ABI: testing: sysfs-firmware-memmap: add some memmap types.
devres: Enable trace events
devres: No need to call remove_nodes() when there none present
devres: Use list_for_each_safe_from() in remove_nodes()
devres: Make locking straight forward in release_nodes()
kernfs: move revalidate to be near lookup
drivers/base: Constify static attribute_group structs
firmware_loader: remove unneeded 'comma' macro
devcoredump: remove contact information
driver core: Drop helper devm_platform_ioremap_resource_wc()
component: Rename 'dev' to 'parent'
component: Drop 'dev' argument to component_match_realloc()
device property: Don't check for NULL twice in the loops
driver core: auxiliary bus: Fix typo in the docs
drivers/base/node.c: make CACHE_ATTR define static DEVICE_ATTR_RO
debugfs: remove return value of debugfs_create_ulong()
debugfs: remove return value of debugfs_create_bool()
scsi: snic: debugfs: remove local storage of debugfs files
b43: don't save dentries for debugfs
b43legacy: don't save dentries for debugfs
...
- Add support for the CXL Fixed Memory Window Structure, a recent
extension of the ACPI CEDT (CXL Early Discovery Table)
- Add infrastructure for component registers
- Add HDM (Host-managed device memory) decoder definitions
- Define a device model for an HDM decoder tree
- Bridge CXL persistent memory capabilities to an NVDIMM bus /
device-model
- Switch to fine grained mapping of CXL MMIO registers to allow
different drivers / system software to own individual register blocks
- Enable media provisioning commands, and publish the label storage area
size in sysfs
- Miscellaneous cleanups and fixes
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Merge tag 'cxl-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) updates from Dan Williams:
"This subsystem is still in the build-out phase as the bulk of the
update is improvements to enumeration and fleshing out the device
model. In terms of new features, more mailbox commands have been added
to the allowed-list in support of persistent memory provisioning
support targeting v5.15.
The critical update from an enumeration perspective is support for the
CXL Fixed Memory Window Structure that indicates to Linux which system
physical address ranges decode to the CXL Host Bridges in the system.
This allows the driver to detect which address ranges have been mapped
by firmware and what address ranges are available for future hotplug.
So, again, mostly skeleton this round, with more meat targeting v5.15.
Summary:
- Add support for the CXL Fixed Memory Window Structure, a recent
extension of the ACPI CEDT (CXL Early Discovery Table)
- Add infrastructure for component registers
- Add HDM (Host-managed device memory) decoder definitions
- Define a device model for an HDM decoder tree
- Bridge CXL persistent memory capabilities to an NVDIMM bus /
device-model
- Switch to fine grained mapping of CXL MMIO registers to allow
different drivers / system software to own individual register
blocks
- Enable media provisioning commands, and publish the label storage
area size in sysfs
- Miscellaneous cleanups and fixes"
* tag 'cxl-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (34 commits)
cxl/pci: Rename CXL REGLOC ID
cxl/acpi: Use the ACPI CFMWS to create static decoder objects
cxl/acpi: Add the Host Bridge base address to CXL port objects
cxl/pmem: Register 'pmem' / cxl_nvdimm devices
libnvdimm: Drop unused device power management support
libnvdimm: Export nvdimm shutdown helper, nvdimm_delete()
cxl/pmem: Add initial infrastructure for pmem support
cxl/core: Add cxl-bus driver infrastructure
cxl/pci: Add media provisioning required commands
cxl/component_regs: Fix offset
cxl/hdm: Fix decoder count calculation
cxl/acpi: Introduce cxl_decoder objects
cxl/acpi: Enumerate host bridge root ports
cxl/acpi: Add downstream port data to cxl_port instances
cxl/Kconfig: Default drivers to CONFIG_CXL_BUS
cxl/acpi: Introduce the root of a cxl_port topology
cxl/pci: Fixup devm_cxl_iomap_block() to take a 'struct device *'
cxl/pci: Add HDM decoder capabilities
cxl/pci: Reserve individual register block regions
cxl/pci: Map registers based on capabilities
...
New drivers:
- Last merge window we created a driver for the Ralink RT2880.
We are now moving the Ralink SoC pin control drivers out of the MIPS
architecture code and into the pin control subsystem. This concerns
RT288X, MT7620, RT305X, RT3883 and MT7621.
- Qualcomm SM6125 SoC pin control driver.
- Qualcomm spmi-gpio support for PM7325.
- Qualcomm spmi-mpp also handles PMI8994 (just a compatible string)
- Mediatek MT8365 SoC pin controller.
- New device HID for the AMD GPIO controller.
Improvements:
- Pin bias config support for a slew of Renesas pin controllers.
- Incremental improvements and non-urgent bug fixes to the Renesas
SoC drivers.
- Implement irq_set_wake on the AMD pin controller so we can wake
up from external pin events.
Misc:
- Devicetree bindings for the Apple M1 pin controller, we will probably
see a proper driver for this soon as well.
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Merge tag 'pinctrl-v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v5.14 kernel. Not so
much going on. No core changes, just drivers.
The most interesting would be that MIPS Ralink is migrating to pin
control and we have some bindings but not yet code for the Apple M1
pin controller.
New drivers:
- Last merge window we created a driver for the Ralink RT2880. We are
now moving the Ralink SoC pin control drivers out of the MIPS
architecture code and into the pin control subsystem. This concerns
RT288X, MT7620, RT305X, RT3883 and MT7621.
- Qualcomm SM6125 SoC pin control driver.
- Qualcomm spmi-gpio support for PM7325.
- Qualcomm spmi-mpp also handles PMI8994 (just a compatible string)
- Mediatek MT8365 SoC pin controller.
- New device HID for the AMD GPIO controller.
Improvements:
- Pin bias config support for a slew of Renesas pin controllers.
- Incremental improvements and non-urgent bug fixes to the Renesas
SoC drivers.
- Implement irq_set_wake on the AMD pin controller so we can wake up
from external pin events.
Misc:
- Devicetree bindings for the Apple M1 pin controller, we will
probably see a proper driver for this soon as well"
* tag 'pinctrl-v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (54 commits)
pinctrl: ralink: rt305x: add missing include
pinctrl: stm32: check for IRQ MUX validity during alloc()
pinctrl: zynqmp: some code cleanups
drivers: qcom: pinctrl: Add pinctrl driver for sm6125
dt-bindings: pinctrl: qcom: sm6125: Document SM6125 pinctrl driver
dt-bindings: pinctrl: mcp23s08: add documentation for reset-gpios
pinctrl: mcp23s08: Add optional reset GPIO
pinctrl: mediatek: fix mode encoding
pinctrl: mcp23s08: Fix missing unlock on error in mcp23s08_irq()
pinctrl: bcm: Constify static pinmux_ops
pinctrl: bcm: Constify static pinctrl_ops
pinctrl: ralink: move RT288X SoC pinmux config into a new 'pinctrl-rt288x.c' file
pinctrl: ralink: move MT7620 SoC pinmux config into a new 'pinctrl-mt7620.c' file
pinctrl: ralink: move RT305X SoC pinmux config into a new 'pinctrl-rt305x.c' file
pinctrl: ralink: move RT3883 SoC pinmux config into a new 'pinctrl-rt3883.c' file
pinctrl: ralink: move MT7621 SoC pinmux config into a new 'pinctrl-mt7621.c' file
pinctrl: ralink: move ralink architecture pinmux header into the driver
pinctrl: single: config: enable the pin's input
pinctrl: mtk: Fix mt8365 Kconfig dependency
pinctrl: mcp23s08: fix race condition in irq handler
...
Highlights:
- New think-lmi driver adding support for changing BIOS settings from
within Linux using the standard firmware-attributes class sysfs API
- MS Surface aggregator-cdev now also supports forwarding events to
user-space (for debugging / new driver development purposes only)
- New intel_skl_int3472 driver this provides the necessary glue to
translate ACPI table information to GPIOs, regulators, etc. for
camera sensors on Intel devices with IPU3 attached MIPI cameras
- A whole bunch of other fixes + device-specific quirk additions
- New devm_work_autocancel() devm-helpers.h function
Note this also contains merges of the following immutable branches/tags
shared with other subsystems:
- platform-drivers-x86-goodix-v5.14-1
- intel-gpio-v5.14-1
- linux-pm/acpi-scan
- devm-helpers-v5.14-1
The following is an automated git shortlog grouped by driver:
ACPI:
- scan: initialize local variable to avoid garbage being returned
- scan: Add function to fetch dependent of ACPI device
- scan: Extend acpi_walk_dep_device_list()
- scan: Rearrange dep_unmet initialization
Add intel_skl_int3472 driver:
- Add intel_skl_int3472 driver
ISST:
- Use numa node id for cpu pci dev mapping
- Optimize CPU to PCI device mapping
Input:
- goodix - platform/x86: touchscreen_dmi - Move upside down quirks to touchscreen_dmi.c
MAINTAINERS:
- Update IRC link for Surface System Aggregator subsystem
- Update info for telemetry
Merge remote-tracking branch 'linux-pm/acpi-scan' into review-hans:
- Merge remote-tracking branch 'linux-pm/acpi-scan' into review-hans
Merge tag 'devm-helpers-v5.14-1' into review-hans:
- Merge tag 'devm-helpers-v5.14-1' into review-hans
Merge tag 'intel-gpio-v5.14-1' into review-hans:
- Merge tag 'intel-gpio-v5.14-1' into review-hans
Merge tag 'platform-drivers-x86-goodix-v5.14-1' into review-hans:
- Merge tag 'platform-drivers-x86-goodix-v5.14-1' into review-hans
Remove "default n" entries:
- Remove "default n" entries
Rename hp-wireless to wireless-hotkey:
- Rename hp-wireless to wireless-hotkey
asus-nb-wmi:
- Revert "add support for ASUS ROG Zephyrus G14 and G15"
- Revert "Drop duplicate DMI quirk structures"
dcdbas:
- drop unneeded assignment in host_control_smi()
dell-privacy:
- Add support for Dell hardware privacy
dell-wmi:
- Rename dell-wmi.c to dell-wmi-base.c
dell-wmi-sysman:
- Change user experience when Admin/System Password is modified
- fw_attr_inuse can be static
- Use firmware_attributes_class helper
- Make populate_foo_data functions more robust
dell-wmi-sysman/think-lmi:
- Make fw_attr_class global static
devm-helpers:
- Add resource managed version of work init
docs:
- driver-api: Update Surface Aggregator user-space interface documentation
extcon:
- extcon-max8997: Simplify driver using devm
- extcon-max8997: Fix IRQ freeing at error path
- extcon-max77693.c: Fix potential work-queue cancellation race
- extcon-max14577: Fix potential work-queue cancellation race
firmware_attributes_class:
- Create helper file for handling firmware-attributes class registration events
gpio:
- wcove: Split error handling for CTRL and IRQ registers
- wcove: Unify style of to_reg() with to_ireg()
- wcove: Use IRQ hardware number getter instead of direct access
- crystalcove: remove platform_set_drvdata() + cleanup probe
gpiolib:
- acpi: Add acpi_gpio_get_io_resource()
- acpi: Introduce acpi_get_and_request_gpiod() helper
hdaps:
- Constify static attribute_group struct
ideapad-laptop:
- Ignore VPC event bit 10
intel_cht_int33fe:
- Move to its own subfolder
- Correct "displayport" fwnode reference
intel_ips:
- fix set but unused warning in read_mgtv
intel_pmt_crashlog:
- Constify static attribute_group struct
intel_skl_int3472:
- Uninitialized variable in skl_int3472_handle_gpio_resources()
- Move to intel/ subfolder
- Provide skl_int3472_unregister_clock()
- Provide skl_int3472_unregister_regulator()
- Use ACPI GPIO resource directly
- Fix dependencies (drop CLKDEV_LOOKUP)
- Free ACPI device resources after use
mfd:
- tps68470: Remove tps68470 MFD driver
platform/mellanox:
- mlxreg-hotplug: Revert "move to use request_irq by IRQF_NO_AUTOEN flag"
platform/surface:
- aggregator: Use list_move_tail instead of list_del/list_add_tail in ssh_packet_layer.c
- aggregator: Use list_move_tail instead of list_del/list_add_tail in ssh_request_layer.c
- aggregator: Drop unnecessary variable initialization
- aggregator: Do not return uninitialized value
- aggregator_cdev: Add lockdep support
- aggregator_cdev: Allow enabling of events from user-space
- aggregator_cdev: Add support for forwarding events to user-space
- aggregator: Update copyright
- aggregator: Allow enabling of events without notifiers
- aggregator: Allow registering notifiers without enabling events
- dtx: Add missing mutex_destroy() call in failure path
- aggregator: Fix event disable function
- aggregator_registry: Consolidate node groups for 5th- and 6th-gen devices
- aggregator_registry: Add support for 13" Intel Surface Laptop 4
- aggregator_registry: Update comments for 15" AMD Surface Laptop 4
samsung-laptop:
- set debugfs blobs to read only
- use octal numbers for rwx file permissions
tc1100-wmi:
- Constify static attribute_group struct
think-lmi:
- Move kfree(setting->possible_values) to tlmi_attr_setting_release()
- Split current_value to reflect only the value
- Fix issues with duplicate attributes
- Return EINVAL when kbdlang gets set to a 0 length string
- Add missing MODULE_DEVICE_TABLE
- Avoid potential read before start of the buffer
- Fix check for admin password being set
- Add WMI interface support on Lenovo platforms
thinkpad-lmi:
- Remove unused display_name member from struct tlmi_pwd_setting
thinkpad_acpi:
- Add X1 Carbon Gen 9 second fan support
- Fix inconsistent indenting
tools/power/x86/intel-speed-select:
- v1.10 release
- Fix uncore memory frequency display
toshiba_acpi:
- Fix missing error code in toshiba_acpi_setup_keyboard()
toshiba_haps:
- Fix missing newline in pr_debug call in toshiba_haps_notify
touchscreen_dmi:
- Fix Chuwi Hi10 Pro comment
- Add info for the Goodix GT912 panel of TM800A550L tablets
- Add an extra entry for the upside down Goodix touchscreen on Teclast X89 tablets
x86/platform/uv:
- Constify static attribute_group struct
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Merge tag 'platform-drivers-x86-v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"Highlights:
- New think-lmi driver adding support for changing Lenovo Thinkpad
BIOS settings from within Linux using the standard firmware-
attributes class sysfs API
- MS Surface aggregator-cdev now also supports forwarding events to
user-space (for debugging / new driver development purposes only)
- New intel_skl_int3472 driver this provides the necessary glue to
translate ACPI table information to GPIOs, regulators, etc. for
camera sensors on Intel devices with IPU3 attached MIPI cameras
- A whole bunch of other fixes + device-specific quirk additions
- New devm_work_autocancel() devm-helpers.h function"
* tag 'platform-drivers-x86-v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (83 commits)
platform/x86: dell-wmi-sysman: Change user experience when Admin/System Password is modified
platform/x86: intel_skl_int3472: Uninitialized variable in skl_int3472_handle_gpio_resources()
platform/x86: think-lmi: Move kfree(setting->possible_values) to tlmi_attr_setting_release()
platform/x86: think-lmi: Split current_value to reflect only the value
platform/x86: think-lmi: Fix issues with duplicate attributes
platform/x86: think-lmi: Return EINVAL when kbdlang gets set to a 0 length string
platform/x86: intel_cht_int33fe: Move to its own subfolder
platform/x86: intel_skl_int3472: Move to intel/ subfolder
platform/x86: intel_skl_int3472: Provide skl_int3472_unregister_clock()
platform/x86: intel_skl_int3472: Provide skl_int3472_unregister_regulator()
platform/x86: intel_skl_int3472: Use ACPI GPIO resource directly
platform/x86: intel_skl_int3472: Fix dependencies (drop CLKDEV_LOOKUP)
platform/x86: intel_skl_int3472: Free ACPI device resources after use
platform/x86: Remove "default n" entries
platform/x86: ISST: Use numa node id for cpu pci dev mapping
platform/x86: ISST: Optimize CPU to PCI device mapping
tools/power/x86/intel-speed-select: v1.10 release
tools/power/x86/intel-speed-select: Fix uncore memory frequency display
extcon: extcon-max8997: Simplify driver using devm
extcon: extcon-max8997: Fix IRQ freeing at error path
...
There are no users and seems no will come of the devm_pwm_put().
Remove the function.
While at it, slightly update documentation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
- Some kernel-doc cleanups. That script is still regex onslaught from
hell, but it has gotten a little better.
- Improvements to the checkpatch docs, which are also used by the tool
itself.
- A major update to the pathname lookup documentation.
- Elimination of :doc: markup, since our automarkup magic can create
references from filenames without all the extra noise.
- The flurry of Chinese translation activity continues.
Plus, of course, the usual collection of updates, typo fixes, and warning
fixes.
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Merge tag 'docs-5.14' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"This was a reasonably active cycle for documentation; this includes:
- Some kernel-doc cleanups. That script is still regex onslaught from
hell, but it has gotten a little better.
- Improvements to the checkpatch docs, which are also used by the
tool itself.
- A major update to the pathname lookup documentation.
- Elimination of :doc: markup, since our automarkup magic can create
references from filenames without all the extra noise.
- The flurry of Chinese translation activity continues.
Plus, of course, the usual collection of updates, typo fixes, and
warning fixes"
* tag 'docs-5.14' of git://git.lwn.net/linux: (115 commits)
docs: path-lookup: use bare function() rather than literals
docs: path-lookup: update symlink description
docs: path-lookup: update get_link() ->follow_link description
docs: path-lookup: update WALK_GET, WALK_PUT desc
docs: path-lookup: no get_link()
docs: path-lookup: update i_op->put_link and cookie description
docs: path-lookup: i_op->follow_link replaced with i_op->get_link
docs: path-lookup: Add macro name to symlink limit description
docs: path-lookup: remove filename_mountpoint
docs: path-lookup: update do_last() part
docs: path-lookup: update path_mountpoint() part
docs: path-lookup: update path_to_nameidata() part
docs: path-lookup: update follow_managed() part
docs: Makefile: Use CONFIG_SHELL not SHELL
docs: Take a little noise out of the build process
docs: x86: avoid using ReST :doc:`foo` markup
docs: virt: kvm: s390-pv-boot.rst: avoid using ReST :doc:`foo` markup
docs: userspace-api: landlock.rst: avoid using ReST :doc:`foo` markup
docs: trace: ftrace.rst: avoid using ReST :doc:`foo` markup
docs: trace: coresight: coresight.rst: avoid using ReST :doc:`foo` markup
...
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Merge tag 'media/v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- V4L2 core control API was split into separate files
- New RC maps: tango and tc-90405
- Hantro driver got support for G2/HEVC decoder
- av7710 is moving to staging, together with some legacy APIs
- several cleanups related to compat_ioctl32 code
- Move the MPEG-2 stateless control type out of staging
- Address several issues with RPM get logic on media drivers
- Lots of cleanups, bug fixes and improvements.
* tag 'media/v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (394 commits)
media: s5p-mfc: Fix display delay control creation
media: mtk-vpu: on suspend, read/write regs only if vpu is running
media: video-mux: Skip dangling endpoints
media: Fix Media Controller API config checks
media: i2c: rdacm20: Re-work ov10635 reset
media: i2c: rdacm20: Check return values
media: i2c: rdacm20: Report camera module name
media: i2c: rdacm20: Enable noise immunity
media: i2c: rdacm20: Embed 'serializer' field
media: i2c: rdacm21: Power up OV10640 before OV490
media: i2c: rdacm21: Fix OV10640 powerup
media: i2c: rdacm21: Add delay after OV490 reset
media: i2c: max9271: Introduce wake_up() function
media: i2c: max9271: Check max9271_write() return
media: i2c: max9286: Rework comments in .bound()
media: i2c: max9286: Define high channel amplitude
media: i2c: max9286: Cache channel amplitude
media: i2c: max9286: Rename reverse_channel_mv
media: i2c: max9286: Adjust parameters indent
media: hantro: add support for Rockchip RK3036
...
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Backmerge tag 'v5.13-rc7' into drm-next
Backmerge Linux 5.13-rc7 to make some pulls from later bases apply,
and to bake in the conflicts so far.
This allows a mdev driver to opt out of using vfio_mdev.c, instead the
driver will provide a 'struct mdev_driver' and register directly with the
driver core.
Much of mdev_parent_ops becomes unused in this mode:
- create()/remove() are done via the mdev_driver probe()/remove()
- mdev_attr_groups becomes mdev_driver driver.dev_groups
- Wrapper function callbacks are replaced with the same ones from
struct vfio_device_ops
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Link: https://lore.kernel.org/r/20210617142218.1877096-8-hch@lst.de
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Remove all the obsolete information from the documentation of mxser
driver. Either it was about the out-of-tree driver, or it was superseded
by udev et al.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-69-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Callout devices are ancient history, so remove its traces from mxser's
documentation.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-68-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
While mxser PCI cards are still around and produced (Moxa provided me
with two recently), ISA cards are obsolete for a long time. I haven't
seen anyone using the cards and the ISA code paths are barely tested.
Hence, remove ISA support from mxser driver so that we can clean the
driver up.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-2-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This adds a new "DMA Buffer ioctls" section to the dma-buf docs and adds
documentation for DMA_BUF_IOCTL_SYNC.
v2 (Daniel Vetter):
- Fix a couple typos
- Add commentary about synchronization with other devices
- Use item list format for describing flags
v3 (Pekka Paalanen):
- Clarify stalling requirements.
- Be more clear that that DMA_BUF_IOCTL_SYNC with SINC_END has to be
called before more GPU work happens.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210617194258.579011-1-jason@jlekstrand.net
The conversion tools used during DocBook/LaTeX/html/Markdown->ReST
conversion and some cut-and-pasted text contain some characters that
aren't easily reachable on standard keyboards and/or could cause
troubles when parsed by the documentation build system.
Replace the occurences of the following characters:
- U+00a0 (' '): NO-BREAK SPACE
as it can cause lines being truncated on PDF output
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/b2186e313f990488ded56d9b8d35a2d1fe479aa1.1623826294.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The correct script name should be 'divergence.sh' instead of
'divergences.sh'.
I didn't find divergences.sh in the path of acpica/generate/linux/.
Signed-off-by: Hao Chen <chenhaoa@uniontech.com>
Link: https://lore.kernel.org/r/20210617023300.30114-1-chenhaoa@uniontech.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Update the controller-device user-space interface (cdev) documentation
for the newly introduced IOCTLs and event interface.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210604134755.535590-8-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
The :doc:`foo` tag is auto-generated via automarkup.py.
So, use the filename at the sources, instead of :doc:`foo`.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The :doc:`foo` tag is auto-generated via automarkup.py.
So, use the filename at the sources, instead of :doc:`foo`.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Overview
========
The patch adds DMA-BUF statistics to /sys/kernel/dmabuf/buffers. It
allows statistics to be enabled for each DMA-BUF in sysfs by enabling
the config CONFIG_DMABUF_SYSFS_STATS.
The following stats will be exposed by the interface:
/sys/kernel/dmabuf/buffers/<inode_number>/exporter_name
/sys/kernel/dmabuf/buffers/<inode_number>/size
/sys/kernel/dmabuf/buffers/<inode_number>/attachments/<attach_uid>/device
/sys/kernel/dmabuf/buffers/<inode_number>/attachments/<attach_uid>/map_counter
The inode_number is unique for each DMA-BUF and was added earlier [1]
in order to allow userspace to track DMA-BUF usage across different
processes.
Use Cases
=========
The interface provides a way to gather DMA-BUF per-buffer statistics
from production devices. These statistics will be used to derive DMA-BUF
per-exporter stats and per-device usage stats for Android Bug reports.
The corresponding userspace changes can be found at [2].
Telemetry tools will also capture this information(along with other
memory metrics) periodically as well as on important events like a
foreground app kill (which might have been triggered by Low Memory
Killer). It will also contribute to provide a snapshot of the system
memory usage on other events such as OOM kills and Application Not
Responding events.
Background
==========
Currently, there are two existing interfaces that provide information
about DMA-BUFs.
1) /sys/kernel/debug/dma_buf/bufinfo
debugfs is however unsuitable to be mounted in production systems and
cannot be considered as an alternative to the sysfs interface being
proposed.
2) proc/<pid>/fdinfo/<fd>
The proc/<pid>/fdinfo/<fd> files expose information about DMA-BUF fds.
However, the existing procfs interfaces can only provide information
about the buffers for which processes hold fds or have the buffers
mmapped into their address space. Since the procfs interfaces alone
cannot provide a full picture of all DMA-BUFs in the system, there is
the need for an alternate interface to provide this information on
production systems.
The patch contains the following major improvements over v1:
1) Each attachment is represented by its own directory to allow creating
a symlink to the importing device and to also provide room for future
expansion.
2) The number of distinct mappings of each attachment is exposed in a
separate file.
3) The per-buffer statistics are now in /sys/kernel/dmabuf/buffers
inorder to make the interface expandable in future.
All of the improvements above are based on suggestions/feedback from
Daniel Vetter and Christian König.
A shell script that can be run on a classic Linux environment to read
out the DMA-BUF statistics can be found at [3](suggested by John
Stultz).
[1]: https://lore.kernel.org/patchwork/patch/1088791/
[2]: https://android-review.googlesource.com/q/topic:%22dmabuf-sysfs%22+(status:open%20OR%20status:merged)
[3]: https://android-review.googlesource.com/c/platform/system/memory/libmeminfo/+/1549734
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603214758.2955251-1-hridya@google.com
While CXL builds upon the PCI software model for enumeration and
endpoint control, a static platform component is required to bootstrap
the CXL memory layout. Similar to how ACPI identifies root-level PCI
memory resources, ACPI data enumerates the address space and interleave
configuration for CXL Memory.
In addition to identifying host bridges, ACPI is responsible for
enumerating the CXL memory space that can be addressed by downstream
decoders. This is similar to the requirement for ACPI to publish
resources via the _CRS method for PCI host bridges. Specifically, ACPI
publishes a table, CXL Early Discovery Table (CEDT), which includes a
list of CXL Memory resources, CXL Fixed Memory Window Structures
(CFMWS).
For now, introduce the core infrastructure for a cxl_port hierarchy
starting with a root level anchor represented by the ACPI0017 device.
Follow on changes model support for the configurable decode capabilities
of cxl_port instances, i.e. CXL switch support.
Co-developed-by: Alison Schofield <alison.schofield@intel.com>
Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/162325449515.2293126.15303270193010154608.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
If usage_power is set, the PWM driver is only required to maintain
the power output but has more freedom regarding signal form.
If supported, the signal can be optimized, for example to
improve EMI by phase shifting individual channels.
Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Replace the occurences of the following character:
- U+00ad (''): SOFT HYPHEN
as ASCII HYPHEN is preferred over SOFT HYPHEN
At least with some fonts, a SOFT HYPHEN is displayed as
a blank space.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
According to the CCS spec the op_pll_multiplier address is 0x030e,
not 0x031e.
Signed-off-by: Bernhard Wimmer <be.wimm@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
With commit ce1380c9f4 ("ARM: remove u300 platform") it is wrong to
use arch/arm/mach-u300/Kconfig file as example. Since the u300 platform
has been replaced by the u8500, let's use its Kconfig as example.
Signed-off-by: Dario Binacchi <dariobin@libero.it>
Link: https://lore.kernel.org/r/20210527201309.13308-1-dariobin@libero.it
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since the macro was introduced in 2019 (commit bb6243b4f7 ("drivers:
platform: provide devm_platform_ioremap_resource_wc()") there is only a
single user which hardly justifies the function for the small task it
provides.
So drop the helper and open-code it in the only user. Adapt the non-wc
case accordingly.
For a all-mod-config build on amd64 this change introduces the following
changes according to bloat-o-meter:
add/remove: 0/1 grow/shrink: 1/0 up/down: 20/-252 (-232)
Function old new delta
devm_platform_ioremap_resource_wc 252 - -252
sram_probe 796 816 +20
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210525103711.956438-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A type of inconsistency that can show up in control URBs is when the
setup packet's wLength value does not match the URB's
transfer_buffer_length field. The two should always be equal;
differences could lead to information leaks or undefined behavior for
OUT transfers or overruns for IN transfers.
This patch adds a test for such mismatches during URB submission. If
the test fails, the submission is rejected with a -EBADR error code
(which is not used elsewhere in the USB core), and a debugging message
is logged for people interested in tracking down these errors.
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20210526153244.GA1400430@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As the driver has undergone development, it's become clear that the
majority [entirety?] of the current functionality in mem.c is actually a
layer encapsulating functionality exposed through PCI based
interactions. This layer can be used either in isolation or to provide
functionality for higher level functionality.
CXL capabilities exist in a parallel domain to PCIe. CXL devices are
enumerable and controllable via "legacy" PCIe mechanisms; however, their
CXL capabilities are a superset of PCIe. For example, a CXL device may
be connected to a non-CXL capable PCIe root port, and therefore will not
be able to participate in CXL.mem or CXL.cache operations, but can still
be accessed through PCIe mechanisms for CXL.io operations.
To properly represent the PCI nature of this driver, and in preparation for
introducing a new driver for the CXL.mem / HDM decoder (Host-managed Device
Memory) capabilities of a CXL memory expander, rename mem.c to pci.c so that
mem.c is available for this new driver.
The result of the change is that there is a clear layering distinction
in the driver, and a systems administrator may load only the cxl_pci
module and gain access to such operations as, firmware update, offline
provisioning of devices, and error collection. In addition to freeing up
the file name for another purpose, there are two primary reasons this is
useful,
1. Acting upon devices which don't have full CXL capabilities. This
may happen for instance if the CXL device is connected in a CXL
unaware part of the platform topology.
2. Userspace-first provisioning for devices without kernel driver
interference. This may be useful when provisioning a new device
in a specific manner that might otherwise be blocked or prevented
by the real CXL mem driver.
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Link: https://lore.kernel.org/r/20210526174413.802913-1-ben.widawsky@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Commit caa93d9bd2 ("usb: Fix up movement of USB core kerneldoc location")
removed the reference to the _usb_header label by mistake, which causes the
following htmldocs build warning:
Documentation/driver-api/usb/writing_usb_driver.rst:129: WARNING: undefined label: usb_header
Restore the label.
Fixes: caa93d9bd2 ("usb: Fix up movement of USB core kerneldoc location")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210521013608.17957-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are some small USB fixes for 5.13-rc2. They consist of a number of
resolutions for reported issues:
- typec fixes for found problems
- xhci fixes and quirk additions
- dwc3 driver fixes
- minor fixes found by Coverity
- cdc-wdm fixes for reported problems
All of these have been in linux-next for a few days with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.13-rc2. They consist of a number
of resolutions for reported issues:
- typec fixes for found problems
- xhci fixes and quirk additions
- dwc3 driver fixes
- minor fixes found by Coverity
- cdc-wdm fixes for reported problems
All of these have been in linux-next for a few days with no reported
issues"
* tag 'usb-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits)
usb: core: hub: fix race condition about TRSMRCY of resume
usb: typec: tcpm: Fix SINK_DISCOVERY current limit for Rp-default
xhci: Add reset resume quirk for AMD xhci controller.
usb: xhci: Increase timeout for HC halt
xhci: Do not use GFP_KERNEL in (potentially) atomic context
xhci: Fix giving back cancelled URBs even if halted endpoint can't reset
xhci-pci: Allow host runtime PM as default for Intel Alder Lake xHCI
usb: musb: Fix an error message
usb: typec: tcpm: Fix wrong handling for Not_Supported in VDM AMS
usb: typec: tcpm: Send DISCOVER_IDENTITY from dedicated work
usb: typec: ucsi: Retrieve all the PDOs instead of just the first 4
usb: fotg210-hcd: Fix an error message
docs: usb: function: Modify path name
usb: dwc3: omap: improve extcon initialization
usb: typec: ucsi: Put fwnode in any case during ->probe()
usb: typec: tcpm: Fix wrong handling in GET_SINK_CAP
usb: dwc2: Remove obsolete MODULE_ constants from platform.c
usb: dwc3: imx8mp: fix error return code in dwc3_imx8mp_probe()
usb: dwc3: imx8mp: detect dwc3 core node via compatible string
usb: dwc3: gadget: Return success always for kick transfer in ep queue
...
- Fix regression in ACPI NFIT table handling leading to crashes and
driver load failures.
- Move the nvdimm mailing list
- Miscellaneous minor fixups
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Merge tag 'libnvdimm-fixes-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"A regression fix for a bootup crash condition introduced in this merge
window and some other minor fixups:
- Fix regression in ACPI NFIT table handling leading to crashes and
driver load failures.
- Move the nvdimm mailing list
- Miscellaneous minor fixups"
* tag 'libnvdimm-fixes-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
ACPI: NFIT: Fix support for variable 'SPA' structure size
MAINTAINERS: Move nvdimm mailing list
tools/testing/nvdimm: Make symbol '__nfit_test_ioremap' static
libnvdimm: Remove duplicate struct declaration
In preparation for more generic shared functionality across endpoint
consumers of core cxl resources, and platform-firmware producers of
those resources, rename bus.c to core.c. In addition to the central
rendezvous for interleave coordination, the core will also define common
routines like CXL register block mapping.
Acked-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/162096972018.1865304.11079951161445408423.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
After seeing some users have subscription management trouble, more spam
than other Linux development lists, and considering some of the benefits
of kernel.org hosted lists, nvdimm and persistent memory development is
moving to nvdimm@lists.linux.dev.
The old list will remain up until v5.14-rc1 and shutdown thereafter.
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Oliver O'Halloran <oohall@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Link: https://lore.kernel.org/r/161898872871.3406469.4054282559340528393.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
The rocket driver and documentation were removed in this commit, but
the corresponding entry in index.rst was not removed.
Signed-off-by: Desmond Cheong Zhi Xi <desmondcheongzx@gmail.com>
Fixes: 3b00b6af7a ("tty: rocket, remove the driver")
Link: https://lore.kernel.org/r/20210511134937.2442291-1-desmondcheongzx@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Keep the textual reference to ch9.h as it was prior to commit
caa93d9bd2 ("usb: Fix up movement of USB core kerneldoc location").
As linux/usb/ch9.h does not contain comments anymore, explain
that drivers/usb/common/common.c includes such header and provides
declarations of a few utilities routines for manipulating the data types
from ch9.h. Also mention that drivers/usb/common/debug.c contains
some functions for creating debug output.
Fixes: caa93d9bd2 ("usb: Fix up movement of USB core kerneldoc location")
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210425153253.2542816-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This set of changes adds support for the PWM controller found on Toshiba
Visconti SoCs and converts a couple of drivers to the atomic API.
There's also a bunch of cleanups and minor fixes across the board.
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Merge tag 'pwm/for-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This adds support for the PWM controller found on Toshiba Visconti
SoCs and converts a couple of drivers to the atomic API.
There's also a bunch of cleanups and minor fixes across the board"
* tag 'pwm/for-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (35 commits)
pwm: Reword docs about pwm_apply_state()
pwm: atmel: Improve duty cycle calculation in .apply()
pwm: atmel: Fix duty cycle calculation in .get_state()
pwm: visconti: Add Toshiba Visconti SoC PWM support
dt-bindings: pwm: Add bindings for Toshiba Visconti PWM Controller
arm64: dts: rockchip: Remove clock-names from PWM nodes
ARM: dts: rockchip: Remove clock-names from PWM nodes
dt-bindings: pwm: rockchip: Add more compatible strings
dt-bindings: pwm: Convert pwm-rockchip.txt to YAML
pwm: mediatek: Remove unused function
pwm: pca9685: Improve runtime PM behavior
pwm: pca9685: Support hardware readout
pwm: pca9685: Switch to atomic API
pwm: lpss: Don't modify HW state in .remove callback
pwm: sti: Free resources only after pwmchip_remove()
pwm: sti: Don't modify HW state in .remove callback
pwm: lpc3200: Don't modify HW state in .remove callback
pwm: lpc18xx-sct: Free resources only after pwmchip_remove()
pwm: bcm-kona: Don't modify HW state in .remove callback
pwm: bcm2835: Free resources only after pwmchip_remove()
...
- Fix spellos in comments for the tegra and sun8i (Bhaskar Chowdhury)
- Add the missing fifth node on the rcar_gen3 sensor (Niklas
Söderlund)
- Remove duplicate include in ti-bandgap (Zhang Yunkai)
- Assign error code in the error path in the function
thermal_of_populate_bind_params() (Jia-Ju Bai)
- Fix spelling mistake in a comment 'disabed' -> 'disabled' (Colin Ian
King)
- Use the device name instead of auto-numbering for a better
identification of the cooling device (Daniel Lezcano)
- Improve a bit the division accuracy in the power allocator governor
(Jeson Gao)
- Enable the missing third sensor on msm8976 (Konrad Dybcio)
- Add QCom tsens driver co-maintainer (Thara Gopinath)
- Fix memory leak and use after free errors in the core code (Daniel
Lezcano)
- Add the MDM9607 compatible bindings (Konrad Dybcio)
- Fix trivial spello in the copyright name for Hisilicon (Hao Fang)
- Fix negative index array access when converting the frequency to
power in the energy model (Brian-sy Yang)
- Add support for Gen2 new PMIC support for Qcom SPMI (David Collins)
- Update maintainer file for CPU cooling device section (Lukasz Luba)
- Fix missing put_device on error in the Qcom tsens driver (Guangqing
Zhu)
- Add compatible DT binding for sm8350 (Robert Foss)
- Add support for the MDM9607's tsens driver (Konrad Dybcio)
- Remove duplicate error messages in thermal_mmio and the bcm2835
driver (Ruiqi Gong)
- Add the Thermal Temperature Cooling driver (Zhang Rui)
- Remove duplicate error messages in the Hisilicon sensor driver (Ye
Bin)
- Use the devm_platform_ioremap_resource_byname() function instead of
a couple of corresponding calls (dingsenjie)
- Sort the headers alphabetically in the ti-bandgap driver (Zhen Lei)
- Add missing property in the DT thermal sensor binding (Rafał
Miłecki)
- Remove dead code in the ti-bandgap sensor driver (Lin Ruizhe)
- Convert the BRCM DT bindings to the yaml schema (Rafał Miłecki)
- Replace the thermal_notify_framework() call by a call to the
thermal_zone_device_update() function. Remove the function as well
as the corresponding documentation (Thara Gopinath)
- Add support for the ipq8064-tsens sensor along with a set of
cleanups and code preparation (Ansuel Smith)
- Add a lockless __thermal_cdev_update() function to improve the
locking scheme in the core code and governors (Lukasz Luba)
- Fix multiple cooling device notification changes (Lukasz Luba)
- Remove unneeded variable initialization (Colin Ian King)
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Merge tag 'thermal-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Remove duplicate error message for the amlogic driver (Tang Bin)
- Fix spellos in comments for the tegra and sun8i (Bhaskar Chowdhury)
- Add the missing fifth node on the rcar_gen3 sensor (Niklas Söderlund)
- Remove duplicate include in ti-bandgap (Zhang Yunkai)
- Assign error code in the error path in the function
thermal_of_populate_bind_params() (Jia-Ju Bai)
- Fix spelling mistake in a comment 'disabed' -> 'disabled' (Colin Ian
King)
- Use the device name instead of auto-numbering for a better
identification of the cooling device (Daniel Lezcano)
- Improve a bit the division accuracy in the power allocator governor
(Jeson Gao)
- Enable the missing third sensor on msm8976 (Konrad Dybcio)
- Add QCom tsens driver co-maintainer (Thara Gopinath)
- Fix memory leak and use after free errors in the core code (Daniel
Lezcano)
- Add the MDM9607 compatible bindings (Konrad Dybcio)
- Fix trivial spello in the copyright name for Hisilicon (Hao Fang)
- Fix negative index array access when converting the frequency to
power in the energy model (Brian-sy Yang)
- Add support for Gen2 new PMIC support for Qcom SPMI (David Collins)
- Update maintainer file for CPU cooling device section (Lukasz Luba)
- Fix missing put_device on error in the Qcom tsens driver (Guangqing
Zhu)
- Add compatible DT binding for sm8350 (Robert Foss)
- Add support for the MDM9607's tsens driver (Konrad Dybcio)
- Remove duplicate error messages in thermal_mmio and the bcm2835
driver (Ruiqi Gong)
- Add the Thermal Temperature Cooling driver (Zhang Rui)
- Remove duplicate error messages in the Hisilicon sensor driver (Ye
Bin)
- Use the devm_platform_ioremap_resource_byname() function instead of a
couple of corresponding calls (dingsenjie)
- Sort the headers alphabetically in the ti-bandgap driver (Zhen Lei)
- Add missing property in the DT thermal sensor binding (Rafał Miłecki)
- Remove dead code in the ti-bandgap sensor driver (Lin Ruizhe)
- Convert the BRCM DT bindings to the yaml schema (Rafał Miłecki)
- Replace the thermal_notify_framework() call by a call to the
thermal_zone_device_update() function. Remove the function as well as
the corresponding documentation (Thara Gopinath)
- Add support for the ipq8064-tsens sensor along with a set of cleanups
and code preparation (Ansuel Smith)
- Add a lockless __thermal_cdev_update() function to improve the
locking scheme in the core code and governors (Lukasz Luba)
- Fix multiple cooling device notification changes (Lukasz Luba)
- Remove unneeded variable initialization (Colin Ian King)
* tag 'thermal-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (55 commits)
thermal/drivers/mtk_thermal: Remove redundant initializations of several variables
thermal/core/power allocator: Use the lockless __thermal_cdev_update() function
thermal/core/fair share: Use the lockless __thermal_cdev_update() function
thermal/core/fair share: Lock the thermal zone while looping over instances
thermal/core/power_allocator: Update once cooling devices when temp is low
thermal/core/power_allocator: Maintain the device statistics from going stale
thermal/core: Create a helper __thermal_cdev_update() without a lock
dt-bindings: thermal: tsens: Document ipq8064 bindings
thermal/drivers/tsens: Add support for ipq8064-tsens
thermal/drivers/tsens: Drop unused define for msm8960
thermal/drivers/tsens: Replace custom 8960 apis with generic apis
thermal/drivers/tsens: Fix bug in sensor enable for msm8960
thermal/drivers/tsens: Use init_common for msm8960
thermal/drivers/tsens: Add VER_0 tsens version
thermal/drivers/tsens: Convert msm8960 to reg_field
thermal/drivers/tsens: Don't hardcode sensor slope
Documentation: driver-api: thermal: Remove thermal_notify_framework from documentation
thermal/core: Remove thermal_notify_framework
iwlwifi: mvm: tt: Replace thermal_notify_framework
dt-bindings: thermal: brcm,ns-thermal: Convert to the json-schema
...
- new driver for the Realtek Otto GPIO controller
- ACPI support for gpio-mpc8xxx
- edge event support for gpio-sch (+ Kconfig fixes)
- Kconfig improvements in gpio-ich
- fixes to older issues in gpio-mockup
- ACPI quirk for ignoring EC wakeups on Dell Venue 10 Pro 5055
- improve the GPIO aggregator code by using more generic interfaces instead of
reimplementing them in the driver
- convert the DT bindings for gpio-74x164 to yaml
- documentation improvements
- a slew of other minor fixes and improvements to GPIO drivers
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Merge tag 'gpio-updates-for-v5.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
- new driver for the Realtek Otto GPIO controller
- ACPI support for gpio-mpc8xxx
- edge event support for gpio-sch (+ Kconfig fixes)
- Kconfig improvements in gpio-ich
- fixes to older issues in gpio-mockup
- ACPI quirk for ignoring EC wakeups on Dell Venue 10 Pro 5055
- improve the GPIO aggregator code by using more generic interfaces
instead of reimplementing them in the driver
- convert the DT bindings for gpio-74x164 to yaml
- documentation improvements
- a slew of other minor fixes and improvements to GPIO drivers
* tag 'gpio-updates-for-v5.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (34 commits)
dt-bindings: gpio: add YAML description for rockchip,gpio-bank
gpio: mxs: remove useless function
dt-bindings: gpio: fairchild,74hc595: Convert to json-schema
gpio: it87: remove unused code
gpio: 104-dio-48e: Fix coding style issues
gpio: mpc8xxx: Add ACPI support
gpio: ich: Switch to be dependent on LPC_ICH
gpio: sch: Drop MFD_CORE selection
gpio: sch: depends on LPC_SCH
gpiolib: acpi: Add quirk to ignore EC wakeups on Dell Venue 10 Pro 5055
gpio: sch: Hook into ACPI GPE handler to catch GPIO edge events
gpio: sch: Add edge event support
gpio: aggregator: Replace custom get_arg() with a generic next_arg()
lib/cmdline: Export next_arg() for being used in modules
gpio: omap: Use device_get_match_data() helper
gpio: Add Realtek Otto GPIO support
dt-bindings: gpio: Binding for Realtek Otto GPIO
docs: kernel-parameters: Add gpio_mockup_named_lines
docs: kernel-parameters: Move gpio-mockup for alphabetic order
lib: bitmap: provide devm_bitmap_alloc() and devm_bitmap_zalloc()
...
Signed-off-by: Alyssa Ross <hi@alyssa.is>
Message-Id: <20210504210651.1316078-1-hi@alyssa.is>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Core changes:
- A semantic change to handle pinmux and pinconf in explicit order
while up until now we depended on the semantic order in the
device tree. The device tree is a functional programming
language and does not imply any order, so the right thing is
for the pin control core to provide these semantics.
- Add a new pinmux-select debugfs file which makes it possible to
go in and select functions for a pin manually (iteratively, at
the prompt) for debugging purposes.
- Fixes to gpio regmap handling for a new pin control driver
making use of regmap-gpio.
- Use octal permissions on debugfs files.
New drivers:
- A massive rewrite of the former custom pin control driver for
MIPS Broadcom devices to instead use the pin control subsystem.
New pin control drivers for BCM6345, BCM6328, BCM6358, BCM6362,
BCM6368, BCM63268 and BCM6318 SoC variants are implemented.
- Support for PM8350, PM8350B, PM8350C, PMK8350, PMR735A and
PMR735B in the Qualcomm PMIC GPIO driver. Also the two GPIOs
on PM8008 are supported.
- Support for the Rockchip RK3568/RK3566 pin controller.
- Support for Ingenic JZ4730, JZ4750, JZ4755, JZ4775 and
X2000.
- Support for Mediatek MTK8195.
- Add a new Xilinx ZynqMP pin control driver.
Driver improvements and non-urgent fixes:
- Modularization and improvements of the Rockchip drivers.
- Some new pins added to the description of new Renesas SoCs.
- Clarifications of the GPIO base calculation in the Intel driver.
- Fix the function names for the MPP54 and MPP55 pins in the Armada
CP110 pin controller.
- GPIO wakeup interrupt map for Qualcomm SC7280 and SM8350.
- Support for ACPI probing of the Qualcomm SC8180x.
- Fix interrupt clear status on rockchip
- Fix some missing pins on the Ingenic JZ4770, some semantic
fixes for the behaviour of the Ingenic pin controller.
Add DMIC pins for JZ4780, X1000, X1500 and X1830.
- A slew of janitorial like of_node_put() calls.
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Merge tag 'pinctrl-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"There is a lot going on!
Core changes:
- A semantic change to handle pinmux and pinconf in explicit order
while up until now we depended on the semantic order in the device
tree. The device tree is a functional programming language and does
not imply any order, so the right thing is for the pin control core
to provide these semantics.
- Add a new pinmux-select debugfs file which makes it possible to go
in and select functions for a pin manually (iteratively, at the
prompt) for debugging purposes.
- Fixes to gpio regmap handling for a new pin control driver making
use of regmap-gpio.
- Use octal permissions on debugfs files.
New drivers:
- A massive rewrite of the former custom pin control driver for MIPS
Broadcom devices to instead use the pin control subsystem. New pin
control drivers for BCM6345, BCM6328, BCM6358, BCM6362, BCM6368,
BCM63268 and BCM6318 SoC variants are implemented.
- Support for PM8350, PM8350B, PM8350C, PMK8350, PMR735A and PMR735B
in the Qualcomm PMIC GPIO driver. Also the two GPIOs on PM8008 are
supported.
- Support for the Rockchip RK3568/RK3566 pin controller.
- Support for Ingenic JZ4730, JZ4750, JZ4755, JZ4775 and X2000.
- Support for Mediatek MTK8195.
- Add a new Xilinx ZynqMP pin control driver.
Driver improvements and non-urgent fixes:
- Modularization and improvements of the Rockchip drivers.
- Some new pins added to the description of new Renesas SoCs.
- Clarifications of the GPIO base calculation in the Intel driver.
- Fix the function names for the MPP54 and MPP55 pins in the Armada
CP110 pin controller.
- GPIO wakeup interrupt map for Qualcomm SC7280 and SM8350.
- Support for ACPI probing of the Qualcomm SC8180x.
- Fix interrupt clear status on rockchip
- Fix some missing pins on the Ingenic JZ4770, some semantic fixes
for the behaviour of the Ingenic pin controller. Add DMIC pins for
JZ4780, X1000, X1500 and X1830.
- A slew of janitorial like of_node_put() calls"
* tag 'pinctrl-v5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (99 commits)
pinctrl: Add Xilinx ZynqMP pinctrl driver support
firmware: xilinx: Add pinctrl support
pinctrl: rockchip: do coding style for mux route struct
pinctrl: Add PIN_CONFIG_MODE_PWM to enum pin_config_param
pinctrl: Introduce MODE group in enum pin_config_param
pinctrl: Keep enum pin_config_param ordered by name
dt-bindings: pinctrl: Add binding for ZynqMP pinctrl driver
pinctrl: core: Fix kernel doc string for pin_get_name()
pinctrl: mediatek: use spin lock in mtk_rmw
pinctrl: add drive for I2C related pins on MT8195
pinctrl: add pinctrl driver on mt8195
dt-bindings: pinctrl: mt8195: add pinctrl file and binding document
pinctrl: Ingenic: Add pinctrl driver for X2000.
pinctrl: Ingenic: Add pinctrl driver for JZ4775.
pinctrl: Ingenic: Add pinctrl driver for JZ4755.
pinctrl: Ingenic: Add pinctrl driver for JZ4750.
pinctrl: Ingenic: Add pinctrl driver for JZ4730.
dt-bindings: pinctrl: Add bindings for new Ingenic SoCs.
pinctrl: Ingenic: Reformat the code.
pinctrl: Ingenic: Add DMIC pins support for Ingenic SoCs.
...
- printk fourcc modifier support added %p4cc
core:
- drm_crtc_commit_wait
- atomic plane state helpers reworked for full state
- dma-buf heaps API rework
- edid: rework and improvements for displayid
dp-mst:
- better topology logging
bridge:
- Chipone ICN6211
- Lontium LT8912B
- anx7625 regulator support
panel:
- fix lt9611 4k panels handling
simple-kms:
- add plane state helpers
ttm:
- debugfs support
- removal of unused sysfs
- ignore signaled moved fences
- ioremap buffer according to mem caching
i915:
- Alderlake S enablement
- Conversion to dma_resv_locking
- Bring back watchdog timeout support
- legacy ioctl cleanups
- add GEM TDDO and RFC process
- DG1 LMEM preparation work
- intel_display.c refactoring
- Gen9/TGL PCH combination support
- eDP MSO Support
- multiple PSR instance support
- Link training debug updates
- Disable PSR2 support on JSL/EHL
- DDR5/LPDDR5 support for bw calcs
- LSPCON limited to gen9/10 platforms
- HSW/BDW async flip/VTd corruption workaround
= SAGV watermakr fixes
- SNB hard hang on ring resume fix
- Limit imported dma-buf size
- move to use new tasklet API
- refactor KBL/TGL/ADL-S display/gt steppings
- refactoring legacy DP/HDMI, FB plane code out
amdgpu:
- uapi: add ioctl to query video capabilities
- Iniital AMD Freesync HDMI support
- Initial Adebaran support
- 10bpc dithering improvements
- DCN secure display support
- Drop legacy IO BAR requirements
- PCIE/S0ix/RAS/Prime/Reset fixes
- Display ASSR support
- SMU gfx busy queues for RV/PCO
- Initial LTTPR display work
amdkfd:
- MMU notifier fixes
- APU fixes
radeon:
- debugfs cleanps
- fw error handling ifix
- Flexible array cleanups
msm:
- big DSI phy/pll cleanup
- sc7280 initial support
- commong bandwidth scaling path
- shrinker locking contention fixes
- unpin/swap support for GEM objcets
ast:
- cursor plane handling reworked
tegra:
- don't register DP AUX channels before connectors
zynqmp:
- fix OOB struct padding memset
gma500:
- drop ttm and medfield support
exynos:
- request_irq cleanup function
mediatek:
- fine tune line time for EOTp
- MT8192 dpi support
- atomic crtc config updates
- don't support HDMI connector creation
mxsdb:
- imx8mm support
panfrost:
-= MMU IRQ handling rework
qxl:
- locking fixes
- resource deallocation changes
sun4i:
- add alpha properties to UI/VI layers
vc4:
- RPi4 CEC support
vmwgfx:
- doc cleanups
arc:
- moved to drm/tiny
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Merge tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"The usual lots of work all over the place.
i915 has gotten some Alderlake work and prelim DG1 code, along with a
major locking rework over the GEM code, and brings back the property
of timing out long running jobs using a watchdog. amdgpu has some
Alderbran support (new GPU), freesync HDMI support along with a lot
other fixes.
Outside of the drm, there is a new printf specifier added which should
have all the correct acks/sobs:
- printk fourcc modifier support added %p4cc
Summary:
core:
- drm_crtc_commit_wait
- atomic plane state helpers reworked for full state
- dma-buf heaps API rework
- edid: rework and improvements for displayid
dp-mst:
- better topology logging
bridge:
- Chipone ICN6211
- Lontium LT8912B
- anx7625 regulator support
panel:
- fix lt9611 4k panels handling
simple-kms:
- add plane state helpers
ttm:
- debugfs support
- removal of unused sysfs
- ignore signaled moved fences
- ioremap buffer according to mem caching
i915:
- Alderlake S enablement
- Conversion to dma_resv_locking
- Bring back watchdog timeout support
- legacy ioctl cleanups
- add GEM TDDO and RFC process
- DG1 LMEM preparation work
- intel_display.c refactoring
- Gen9/TGL PCH combination support
- eDP MSO Support
- multiple PSR instance support
- Link training debug updates
- Disable PSR2 support on JSL/EHL
- DDR5/LPDDR5 support for bw calcs
- LSPCON limited to gen9/10 platforms
- HSW/BDW async flip/VTd corruption workaround
- SAGV watermark fixes
- SNB hard hang on ring resume fix
- Limit imported dma-buf size
- move to use new tasklet API
- refactor KBL/TGL/ADL-S display/gt steppings
- refactoring legacy DP/HDMI, FB plane code out
amdgpu:
- uapi: add ioctl to query video capabilities
- Iniital AMD Freesync HDMI support
- Initial Adebaran support
- 10bpc dithering improvements
- DCN secure display support
- Drop legacy IO BAR requirements
- PCIE/S0ix/RAS/Prime/Reset fixes
- Display ASSR support
- SMU gfx busy queues for RV/PCO
- Initial LTTPR display work
amdkfd:
- MMU notifier fixes
- APU fixes
radeon:
- debugfs cleanps
- fw error handling ifix
- Flexible array cleanups
msm:
- big DSI phy/pll cleanup
- sc7280 initial support
- commong bandwidth scaling path
- shrinker locking contention fixes
- unpin/swap support for GEM objcets
ast:
- cursor plane handling reworked
tegra:
- don't register DP AUX channels before connectors
zynqmp:
- fix OOB struct padding memset
gma500:
- drop ttm and medfield support
exynos:
- request_irq cleanup function
mediatek:
- fine tune line time for EOTp
- MT8192 dpi support
- atomic crtc config updates
- don't support HDMI connector creation
mxsdb:
- imx8mm support
panfrost:
- MMU IRQ handling rework
qxl:
- locking fixes
- resource deallocation changes
sun4i:
- add alpha properties to UI/VI layers
vc4:
- RPi4 CEC support
vmwgfx:
- doc cleanups
arc:
- moved to drm/tiny"
* tag 'drm-next-2021-04-28' of git://anongit.freedesktop.org/drm/drm: (1390 commits)
drm/ttm: Don't count pages in SG BOs against pages_limit
drm/ttm: fix return value check
drm/bridge: lt8912b: fix incorrect handling of of_* return values
drm: bridge: fix LONTIUM use of mipi_dsi_() functions
drm: bridge: fix ANX7625 use of mipi_dsi_() functions
drm/amdgpu: page retire over debugfs mechanism
drm/radeon: Fix a missing check bug in radeon_dp_mst_detect()
drm/amd/display: Fix the Wunused-function warning
drm/radeon/r600: Fix variables that are not used after assignment
drm/amdgpu/smu7: fix CAC setting on TOPAZ
drm/amd/display: Update DCN302 SR Exit Latency
drm/amdgpu: enable ras eeprom on aldebaran
drm/amdgpu: RAS harvest on driver load
drm/amdgpu: add ras aldebaran ras eeprom driver
drm/amd/pm: increase time out value when sending msg to SMU
drm/amdgpu: add DMUB outbox event IRQ source define/complete/debug flag
drm/amd/pm: add the callback to get vbios bootup values for vangogh
drm/radeon: Fix size overflow
drm/amdgpu: Fix size overflow
drm/amdgpu: move mmhub ras_func init to ip specific file
...
well contained to Documentation/ itself. Highlights include:
- The Chinese translators have been busy and show no signs of stopping
anytime soon. Italian has also caught up.
- Aditya Srivastava has been working on improvements to the kernel-doc
script.
- Thorsten continues his work on reporting-issues.rst and related
documentation around regression reporting.
- Lots of documentation updates, typo fixes, etc. as usual
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Merge tag 'docs-5.13' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It's been a relatively busy cycle in docsland, though more than
usually well contained to Documentation/ itself. Highlights include:
- The Chinese translators have been busy and show no signs of
stopping anytime soon. Italian has also caught up.
- Aditya Srivastava has been working on improvements to the
kernel-doc script.
- Thorsten continues his work on reporting-issues.rst and related
documentation around regression reporting.
- Lots of documentation updates, typo fixes, etc. as usual"
* tag 'docs-5.13' of git://git.lwn.net/linux: (139 commits)
docs/zh_CN: add openrisc translation to zh_CN index
docs/zh_CN: add openrisc index.rst translation
docs/zh_CN: add openrisc todo.rst translation
docs/zh_CN: add openrisc openrisc_port.rst translation
docs/zh_CN: add core api translation to zh_CN index
docs/zh_CN: add core-api index.rst translation
docs/zh_CN: add core-api irq index.rst translation
docs/zh_CN: add core-api irq irqflags-tracing.rst translation
docs/zh_CN: add core-api irq irq-domain.rst translation
docs/zh_CN: add core-api irq irq-affinity.rst translation
docs/zh_CN: add core-api irq concepts.rst translation
docs: sphinx-pre-install: don't barf on beta Sphinx releases
scripts: kernel-doc: improve parsing for kernel-doc comments syntax
docs/zh_CN: two minor fixes in zh_CN/doc-guide/
Documentation: dev-tools: Add Testing Overview
docs/zh_CN: add translations in zh_CN/dev-tools/gcov
docs: reporting-issues: make people CC the regressions list
MAINTAINERS: add regressions mailing list
doc:it_IT: align Italian documentation
docs/zh_CN: sync reporting-issues.rst
...
The Apple M1 is the processor used it all current generation Apple
Macintosh computers. Support for this platform so far is rudimentary,
but it boots and can use framebuffer and serial console over a special
USB cable.
Support for several essential on-chip devices (USB, PCIe, IOMMU, NVMe)
is work in progress but was not ready in time.
A very detailed description of what works is in the merge commit
and on the AsahiLinux wiki.
Link: https://lore.kernel.org/linux-arm-kernel/bdb18e9f-fcd7-1e31-2224-19c0e5090706@marcan.st/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-apple-m1-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM Apple M1 platform support from Arnd Bergmann:
"The Apple M1 is the processor used it all current generation Apple
Macintosh computers. Support for this platform so far is rudimentary,
but it boots and can use framebuffer and serial console over a special
USB cable.
Support for several essential on-chip devices (USB, PCIe, IOMMU, NVMe)
is work in progress but was not ready in time.
A very detailed description of what works is in the commit message of
commit 1bb2fd3880 ("Merge tag 'm1-soc-bringup-v5' [..]") and on the
AsahiLinux wiki"
Link: https://lore.kernel.org/linux-arm-kernel/bdb18e9f-fcd7-1e31-2224-19c0e5090706@marcan.st/
* tag 'arm-apple-m1-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
asm-generic/io.h: Unbork ioremap_np() declaration
arm64: apple: Add initial Apple Mac mini (M1, 2020) devicetree
dt-bindings: display: Add apple,simple-framebuffer
arm64: Kconfig: Introduce CONFIG_ARCH_APPLE
irqchip/apple-aic: Add support for the Apple Interrupt Controller
dt-bindings: interrupt-controller: Add DT bindings for apple-aic
arm64: Move ICH_ sysreg bits from arm-gic-v3.h to sysreg.h
of/address: Add infrastructure to declare MMIO as non-posted
asm-generic/io.h: implement pci_remap_cfgspace using ioremap_np
arm64: Implement ioremap_np() to map MMIO as nGnRnE
docs: driver-api: device-io: Document ioremap() variants & access funcs
docs: driver-api: device-io: Document I/O access functions
asm-generic/io.h: Add a non-posted variant of ioremap()
arm64: arch_timer: Implement support for interrupt-names
dt-bindings: timer: arm,arch_timer: Add interrupt-names support
arm64: cputype: Add CPU implementor & types for the Apple M1 cores
dt-bindings: arm: cpus: Add apple,firestorm & icestorm compatibles
dt-bindings: arm: apple: Add bindings for Apple ARM platforms
dt-bindings: vendor-prefixes: Add apple prefix
Updates for SoC specific drivers include a few subsystems that
have their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance optimized
for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target module
has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to avoid
issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as we
now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and dra7
- omap-prm driver needs to enable autoidle retention support for omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of using
builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Updates for SoC specific drivers include a few subsystems that have
their own maintainers but send them through the soc tree:
TEE/OP-TEE:
- Add tracepoints around calls to secure world
Memory controller drivers:
- Minor fixes for Renesas, Exynos, Mediatek and Tegra platforms
- Add debug statistics to Tegra20 memory controller
- Update Tegra bindings and convert to dtschema
ARM SCMI Firmware:
- Support for modular SCMI protocols and vendor specific extensions
- New SCMI IIO driver
- Per-cpu DVFS
The other driver changes are all from the platform maintainers
directly and reflect the drivers that don't fit into any other
subsystem as well as treewide changes for a particular platform.
SoCFPGA:
- Various cleanups contributed by Krzysztof Kozlowski
Mediatek:
- add MT8183 support to mutex driver
- MMSYS: use per SoC array to describe the possible routing
- add MMSYS support for MT8183 and MT8167
- add support for PMIC wrapper with integrated arbiter
- add support for MT8192/MT6873
Tegra:
- Bug fixes to PMC and clock drivers
NXP/i.MX:
- Update SCU power domain driver to keep console domain power on.
- Add missing ADC1 power domain to SCU power domain driver.
- Update comments for single global power domain in SCU power domain
driver.
- Add i.MX51/i.MX53 unique id support to i.MX SoC driver.
NXP/FSL SoC driver updates for v5.13
- Add ACPI support for RCPM driver
- Use generic io{read,write} for QE drivers after performance
optimized for PowerPC
- Fix QBMAN probe to cleanup HW states correctly for kexec
- Various cleanup and style fix for QBMAN/QE/GUTS drivers
OMAP:
- Preparation to use devicetree for genpd
- ti-sysc needs iorange check improved when the interconnect target
module has no control registers listed
- ti-sysc needs to probe l4_wkup and l4_cfg interconnects first to
avoid issues with missing resources and unnecessary deferred probe
- ti-sysc debug option can now detect more devices
- ti-sysc now warns if an old incomplete devicetree data is found as
we now rely on it being complete for am3 and 4
- soc init code needs to check for prcm and prm nodes for omap4/5 and
dra7
- omap-prm driver needs to enable autoidle retention support for
omap4
- omap5 clocks are missing gpmc and ocmc clock registers
- pci-dra7xx now needs to use builtin_platform_driver instead of
using builtin_platform_driver_probe for deferred probe to work
Raspberry Pi:
- Fix-up all RPi firmware drivers so as for unbind to happen in an
orderly fashion
- Support for RPi's PoE hat PWM bus
Qualcomm
- Improved detection for SCM calling conventions
- Support for OEM specific wifi firmware path
- Added drivers for SC7280/SM8350: RPMH, LLCC< AOSS QMP"
* tag 'arm-drivers-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
soc: aspeed: fix a ternary sign expansion bug
memory: mtk-smi: Add device-link between smi-larb and smi-common
memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
memory: renesas-rpc-if: fix possible NULL pointer dereference of resource
clk: socfpga: fix iomem pointer cast on 64-bit
soc: aspeed: Adapt to new LPC device tree layout
pinctrl: aspeed-g5: Adapt to new LPC device tree layout
ipmi: kcs: aspeed: Adapt to new LPC DTS layout
ARM: dts: Remove LPC BMC and Host partitions
dt-bindings: aspeed-lpc: Remove LPC partitioning
soc: fsl: enable acpi support in RCPM driver
soc: qcom: mdt_loader: Detect truncated read of segments
soc: qcom: mdt_loader: Validate that p_filesz < p_memsz
soc: qcom: pdr: Fix error return code in pdr_register_listener
firmware: qcom_scm: Fix kernel-doc function names to match
firmware: qcom_scm: Suppress sysfs bind attributes
firmware: qcom_scm: Workaround lack of "is available" call on SC7180
firmware: qcom_scm: Reduce locking section for __get_convention()
firmware: qcom_scm: Make __qcom_scm_is_call_available() return bool
Revert "soc: fsl: qe: introduce qe_io{read,write}* wrappers"
...
Here is the big set of USB and Thunderbolt driver updates for 5.13-rc1.
Lots of little things in here, with loads of tiny fixes and cleanups
over these drivers, as well as these "larger" changes:
- thunderbolt updates and new features added
- xhci driver updates and split out of a mediatek-specific xhci
driver from the main xhci module to make it easier to work
with (something that I have been wanting for a while).
- loads of typec feature additions and updates
- dwc2 driver updates
- dwc3 driver updates
- gadget driver fixes and minor updates
- loads of usb-serial cleanups and fixes and updates
- usbip documentation updates and fixes
- lots of other tiny USB driver updates
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB and Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver updates for
5.13-rc1.
Lots of little things in here, with loads of tiny fixes and cleanups
over these drivers, as well as these "larger" changes:
- thunderbolt updates and new features added
- xhci driver updates and split out of a mediatek-specific xhci
driver from the main xhci module to make it easier to work with
(something that I have been wanting for a while).
- loads of typec feature additions and updates
- dwc2 driver updates
- dwc3 driver updates
- gadget driver fixes and minor updates
- loads of usb-serial cleanups and fixes and updates
- usbip documentation updates and fixes
- lots of other tiny USB driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (371 commits)
usb: Fix up movement of USB core kerneldoc location
usb: dwc3: gadget: Handle DEV_TXF_FLUSH_BYPASS capability
usb: dwc3: Capture new capability register GHWPARAMS9
usb: gadget: prevent a ternary sign expansion bug
usb: dwc3: core: Do core softreset when switch mode
usb: dwc2: Get rid of useless error checks in suspend interrupt
usb: dwc2: Update dwc2_handle_usb_suspend_intr function.
usb: dwc2: Add exit hibernation mode before removing drive
usb: dwc2: Add hibernation exiting flow by system resume
usb: dwc2: Add hibernation entering flow by system suspend
usb: dwc2: Allow exit hibernation in urb enqueue
usb: dwc2: Move exit hibernation to dwc2_port_resume() function
usb: dwc2: Move enter hibernation to dwc2_port_suspend() function
usb: dwc2: Clear GINTSTS_RESTOREDONE bit after restore is generated.
usb: dwc2: Clear fifo_map when resetting core.
usb: dwc2: Allow exiting hibernation from gpwrdn rst detect
usb: dwc2: Fix hibernation between host and device modes.
usb: dwc2: Fix host mode hibernation exit with remote wakeup flow.
usb: dwc2: Reset DEVADDR after exiting gadget hibernation.
usb: dwc2: Update exit hibernation when port reset is asserted
...
Here is the big set of tty and serial driver updates for 5.13-rc1.
Actually busy this release, with a number of cleanups happening:
- much needed core tty cleanups by Jiri Slaby
- removal of unused and orphaned old-style serial drivers. If
anyone shows up with this hardware, it is trivial to restore
these but we really do not think they are in use anymore.
- fixes and cleanups from Johan Hovold on a number of termios
setting corner cases that loads of drivers got wrong as well
as removing unneeded code due to tty core changes from long
ago that were never propagated out to the drivers
- loads of platform-specific serial port driver updates and
fixes
- coding style cleanups and other small fixes and updates all
over the tty/serial tree.
All of these have been in linux-next for a while now with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty and serial driver updates from Greg KH:
"Here is the big set of tty and serial driver updates for 5.13-rc1.
Actually busy this release, with a number of cleanups happening:
- much needed core tty cleanups by Jiri Slaby
- removal of unused and orphaned old-style serial drivers. If anyone
shows up with this hardware, it is trivial to restore these but we
really do not think they are in use anymore.
- fixes and cleanups from Johan Hovold on a number of termios setting
corner cases that loads of drivers got wrong as well as removing
unneeded code due to tty core changes from long ago that were never
propagated out to the drivers
- loads of platform-specific serial port driver updates and fixes
- coding style cleanups and other small fixes and updates all over
the tty/serial tree.
All of these have been in linux-next for a while now with no reported
issues"
* tag 'tty-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (186 commits)
serial: extend compile-test coverage
serial: stm32: add FIFO threshold configuration
dt-bindings: serial: 8250: update TX FIFO trigger level
dt-bindings: serial: stm32: override FIFO threshold properties
dt-bindings: serial: add RX and TX FIFO properties
serial: xilinx_uartps: drop low-latency workaround
serial: vt8500: drop low-latency workaround
serial: timbuart: drop low-latency workaround
serial: sunsu: drop low-latency workaround
serial: sifive: drop low-latency workaround
serial: txx9: drop low-latency workaround
serial: sa1100: drop low-latency workaround
serial: rp2: drop low-latency workaround
serial: rda: drop low-latency workaround
serial: owl: drop low-latency workaround
serial: msm_serial: drop low-latency workaround
serial: mpc52xx_uart: drop low-latency workaround
serial: meson: drop low-latency workaround
serial: mcf: drop low-latency workaround
serial: lpc32xx_hs: drop low-latency workaround
...
Here is the big set of staging and IIO driver updates for 5.13-rc1.
Lots of little churn in here, and some larger churn as well. Major
things are:
- removal of wimax drivers, no one has this hardware anymore for
this failed "experiment".
- removal of the Google gasket driver, turns out no one wanted
to maintain it or cares about it anymore, so they asked for it
to be removed.
- comedi finally moves out of the staging directory into
drivers/comedi/ This is one of the oldest kernel subsystems
around, being created in the 2.0 kernel days, and was one of
the first things added to drivers/staging/ when that was
created over 15 years ago. It should have been moved out of
staging a long time ago, it's well maintained and used by
loads of different devices in the real world every day. Nice
to see this finally happen.
- so many tiny coding style cleanups it's not funny. Perfect
storm of at least 2 different intern project application
deadlines combined to provide a huge number of new
contributions in this area from people learning how to do
kernel development. Great job to everyone involved here.
There's also the normal updates for IIO drivers with new IIO drivers and
updates all over that subsystem.
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 'staging-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver updates from Greg KH:
"Here is the big set of staging and IIO driver updates for 5.13-rc1.
Lots of little churn in here, and some larger churn as well. Major
things are:
- removal of wimax drivers, no one has this hardware anymore for this
failed "experiment".
- removal of the Google gasket driver, turns out no one wanted to
maintain it or cares about it anymore, so they asked for it to be
removed.
- comedi finally moves out of the staging directory into drivers/comedi
This is one of the oldest kernel subsystems around, being created
in the 2.0 kernel days, and was one of the first things added to
drivers/staging/ when that was created over 15 years ago.
It should have been moved out of staging a long time ago, it's well
maintained and used by loads of different devices in the real world
every day. Nice to see this finally happen.
- so many tiny coding style cleanups it's not funny.
Perfect storm of at least 2 different intern project application
deadlines combined to provide a huge number of new contributions in
this area from people learning how to do kernel development. Great
job to everyone involved here.
There's also the normal updates for IIO drivers with new IIO drivers
and updates all over that subsystem.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (907 commits)
staging: octeon: Use 'for_each_child_of_node'
Staging: rtl8723bs: rtw_xmit: fixed tabbing issue
staging: rtl8188eu: remove unused function parameters
staging: rtl8188eu: cmdThread is a task_struct
staging: rtl8188eu: remove constant variable and dead code
staging: rtl8188eu: change bLeisurePs' type to bool
staging: rtl8723bs: remove empty #ifdef block
staging: rtl8723bs: remove unused DBG_871X_LEVEL macro declarations
staging: rtl8723bs: split too long line
staging: rtl8723bs: fix indentation in if block
staging: rtl8723bs: fix code indent issue
staging: rtl8723bs: replace DBG_871X_LEVEL logs with netdev_*()
staging: rtl8192e: indent statement properly
staging: rtl8723bs: Remove led_blink_hdl() and everything related
staging: comedi: move out of staging directory
staging: rtl8723bs: remove sdio_drv_priv structure
staging: rtl8723bs: remove unused argument in function
staging: rtl8723bs: remove DBG_871X_SEL_NL macro declaration
staging: rtl8723bs: replace DBG_871X_SEL_NL with netdev_dbg()
staging: rtl8723bs: fix indentation issue introduced by long line split
...
The main issue is that the current documentation talks about the
non-existent function pwm_get_last_applied_state. (This was right in the
context of
https://lore.kernel.org/linux-pwm/20210406073036.26857-1-u.kleine-koenig@pengutronix.de/
but was then missed to adapt when this patch was reduced to a
documentation update.)
While at is also clarify "last applied PWM state" to "PWM state that was
passed to the last invocation of pwm_apply_state()" to better
distinguish to the last actually implemented state and reword to drop a
word repetition.
Fixes: 1a7a6e8072 ("pwm: Clarify which state pwm_get_state() returns")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Commit 855b35ea96c4 ("usb: common: move function's kerneldoc next to its
definition") moved the USB common function documentation out of the
linux/usb/ch9.h header file into drivers/usb/common/common.c and
drivers/usb/common/debug.c, which causes the following 'make htmldocs'
build warning:
include/linux/usb/ch9.h:1: warning: no structured comments found
Fix that up by pointing the documentation at the correct location.
Fixes: 855b35ea96c4 ("usb: common: move function's kerneldoc next to its definition")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210424135103.2476670-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Given that lowlevel drivers usually cannot implement exactly what a
consumer requests with pwm_apply_state() there is some rounding
involved.
pwm_get_state() returns the setting that was requested most recently by
the consumer (opposed to what was actually implemented in hardware in
reply to the last request). Clarify this in the function kerneldoc.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This documents the newly introduced ioremap_np() along with all the
other common ioremap() variants, and some higher-level abstractions
available.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Hector Martin <marcan@marcan.st>
This adds more detailed descriptions of the various read/write
primitives available for use with I/O memory/ports.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hector Martin <marcan@marcan.st>
ARM64 currently defaults to posted MMIO (nGnRE), but some devices
require the use of non-posted MMIO (nGnRnE). Introduce a new ioremap()
variant to handle this case. ioremap_np() returns NULL on arches that
do not implement this variant.
sparc64 is the only architecture that needs to be touched directly,
because it includes neither of the generic io.h or iomap.h headers.
This adds the IORESOURCE_MEM_NONPOSTED flag, which maps to this
variant and marks a given resource as requiring non-posted mappings.
This is implemented in the resource system because it is a SoC-level
requirement, so existing drivers do not need special-case code to pick
this ioremap variant.
Then this is implemented in devres by introducing devm_ioremap_np(),
and making devm_ioremap_resource() automatically select this variant
when the resource has the IORESOURCE_MEM_NONPOSTED flag set.
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Hector Martin <marcan@marcan.st>
This is only done once, we don't need to generate code to initialize a
structure stored in the ELF .data segment. Fill in the three required
.driver members directly instead of copying data into them during
mdev_register_driver().
Further the to_mdev_driver() function doesn't belong in a public header,
just inline it into the two places that need it. Finally, we can now
clearly see that 'drv' derived from dev->driver cannot be NULL, firstly
because the driver core forbids it, and secondly because NULL won't pass
through the container_of(). Remove the dead code.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Message-Id: <4-v2-d36939638fc6+d54-vfio2_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
The mdev API should accept and pass a 'struct mdev_device *' in all
places, not pass a 'struct device *' and cast it internally with
to_mdev_device(). Particularly in its struct mdev_driver functions, the
whole point of a bus's struct device_driver wrapper is to provide type
safety compared to the default struct device_driver.
Further, the driver core standard is for bus drivers to expose their
device structure in their public headers that can be used with
container_of() inlines and '&foo->dev' to go between the class levels, and
'&foo->dev' to be used with dev_err/etc driver core helper functions. Move
'struct mdev_device' to mdev.h
Once done this allows moving some one instruction exported functions to
static inlines, which in turns allows removing one of the two grotesque
symbol_get()'s related to mdev in the core code.
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Message-Id: <3-v2-d36939638fc6+d54-vfio2_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
There are no longer any users, so it can go away. Everything is using
container_of now.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Message-Id: <14-v3-225de1400dfc+4e074-vfio1_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This is the standard kernel pattern, the ops associated with a struct get
the struct pointer in for typesafety. The expected design is to use
container_of to cleanly go from the subsystem level type to the driver
level type without having any type erasure in a void *.
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Message-Id: <12-v3-225de1400dfc+4e074-vfio1_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This makes the struct vfio_device part of the public interface so it
can be used with container_of and so forth, as is typical for a Linux
subystem.
This is the first step to bring some type-safety to the vfio interface by
allowing the replacement of 'void *' and 'struct device *' inputs with a
simple and clear 'struct vfio_device *'
For now the self-allocating vfio_add_group_dev() interface is kept so each
user can be updated as a separate patch.
The expected usage pattern is
driver core probe() function:
my_device = kzalloc(sizeof(*mydevice));
vfio_init_group_dev(&my_device->vdev, dev, ops, mydevice);
/* other driver specific prep */
vfio_register_group_dev(&my_device->vdev);
dev_set_drvdata(dev, my_device);
driver core remove() function:
my_device = dev_get_drvdata(dev);
vfio_unregister_group_dev(&my_device->vdev);
/* other driver specific tear down */
kfree(my_device);
Allowing the driver to be able to use the drvdata and vfio_device to go
to/from its own data.
The pattern also makes it clear that vfio_register_group_dev() must be
last in the sequence, as once it is called the core code can immediately
start calling ops. The init/register gap is provided to allow for the
driver to do setup before ops can be called and thus avoid races.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Liu Yi L <yi.l.liu@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Message-Id: <3-v3-225de1400dfc+4e074-vfio1_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Rename v4l2_async_register_subdev_sensor_common as
v4l2_async_register_subdev_sensor. This is a part of the effort to make
the long names present in V4L2 fwnode and async frameworks shorter.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
There is now a GPIO multiplexer, so mention this in the document
about drivers using GPIO as backend.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Make it so that this #include line is rendered in monospace, like other
code blocks.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Add documentation for the user-space interface of the Surface DTX
(detachment system) driver, used on Microsoft Surface Book series
devices.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210308184819.437438-4-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Noralf needs some patches in 5.12-rc3, and we've been delaying the 5.12
merge due to the swap issue so it looks like a good time.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Recently there was a fairly long thread about recoreable hardware page
faults, how they can deadlock, and what to do about that.
While the discussion is still fresh I figured good time to try and
document the conclusions a bit. This documentation section explains
what's the potential problem, and the remedies we've discussed,
roughly ordered from best to worst.
v2: Linus -> Linux typoe (Dave)
v3:
- Make it clear drivers only need to implement one option (Christian)
- Make it clearer that implicit sync is out the window with exclusive
fences (Christian)
- Add the fairly theoretical option of segementing the memory (either
statically or through dynamic checks at runtime for which piece of
memory is managed how) and explain why it's not a great idea (Felix)
References: https://lore.kernel.org/dri-devel/20210107030127.20393-1-Felix.Kuehling@amd.com/
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
c: Dave Airlie <airlied@gmail.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thomas Hellström <thomas.hellstrom@intel.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Link: https://patchwork.freedesktop.org/patch/msgid/20210203152921.2429937-1-daniel.vetter@ffwll.ch
This 2nd-level bullet list is not properly ReST-formatted and thus it gets
rendered as a unique paragraph quite unreadable. Fix by adding spaces as
needed.
While there also swap "shift" and "repeat" so they are in the correct
order.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Link: https://lore.kernel.org/r/20210215143511.25471-5-luca@lucaceresoli.net
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This change does a conversion of the devm_iio_dmaengine_buffer_alloc() to
devm_iio_dmaengine_buffer_setup(). This will allocate an IIO DMA buffer and
attach it to the IIO device, similar to devm_iio_triggered_buffer_setup()
(though the underlying code is different, the final logic is the same).
Since the only user of the devm_iio_dmaengine_buffer_alloc() was the
adi-axi-adc driver, this change does the replacement in a single go in the
driver.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20210215104043.91251-7-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
At this point all drivers should use devm_iio_kfifo_buffer_setup() instead
of manually allocating via devm_iio_kfifo_allocate() and assigning ops and
modes.
With this change, the devm_iio_kfifo_allocate() will be made private to the
IIO core, since all drivers should call either
devm_iio_kfifo_buffer_setup() or devm_iio_triggered_buffer_setup() to
create a kfifo buffer.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20210215104043.91251-6-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This change adds the devm_iio_kfifo_buffer_setup() helper/short-hand,
which groups the simple routine of allocating a kfifo buffers via
devm_iio_kfifo_allocate() and calling iio_device_attach_buffer().
The mode_flags parameter is required, as the IIO kfifo supports 2 modes:
INDIO_BUFFER_SOFTWARE & INDIO_BUFFER_TRIGGERED.
The setup_ops parameter is optional.
This function will be a bit more useful when needing to define multiple
buffers per IIO device.
The naming for this function has been inspired from
iio_triggered_buffer_setup() since that one does a kfifo alloc + a pollfunc
alloc. So, this should have a more familiar ring to what it is.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20210215104043.91251-3-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fix a typo in the text.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
While the driver is still marked as maintained in MAINTAINERS, Comtrol
does not really care about this ancient driver. They are still
manufacturing serial devices, but those are controlled only by
out-of-tree drivers.
Comtrol didn't answer my pings, so this driver is apparently
unmaintained. Aside from that, the driver was untouched for years, only
whole-tree changes happened during the past years. The driver needs much
more care, so drop it for now. If someone steps up to reintroduce it,
they need to clean it up first.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210302062214.29627-7-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Cyclades driver was orphaned by commit d459883e6c (MAINTAINERS:
remove two dead e-mail) 13 years ago. Noone stepped up to take care of
them and to fix all the issues the driver has.
On the top of that, there is no way to obtain the firmware for Z cards
from the vendor as cyclades.com ceased to exist.
So it's time to drop the driver with all its traces.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210302062214.29627-5-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a paragraph about the ATTRIBUTE_GROUPS() helper macro, and use it in
the example. Retain the old description, as it is still useful in case
of multiple groups. Change the names of the group(s) structures, to
match the ATTRIBUTE_GROUPS() macro.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210303133845.3939403-3-geert+renesas@glider.be
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
bus.rst, driver.rst, and hwmon-kernel-api.rst refer to the
DEVICE_ATTR_* macros for devices, but device.rst does not mention them.
Add a paragraph about these helper macros, and use them in the examples.
Retain the old description, as it is still useful for less common values
of mode. Change the names of the example "show" and "store" methods, to
match the expectations of the DEVICE_ATTR_* macros.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210303133845.3939403-2-geert+renesas@glider.be
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The SSAM_DEFINE_SYNC_REQUEST_x() macros are intended to reduce
boiler-plate code for SSAM request definitions by defining a wrapper
function for the specified request. The client device variants of those
macros, i.e. SSAM_DEFINE_SYNC_REQUEST_CL_x() in particular rely on the
multi-device (MD) variants, e.g.:
#define SSAM_DEFINE_SYNC_REQUEST_CL_R(name, rtype, spec...) \
SSAM_DEFINE_SYNC_REQUEST_MD_R(__raw_##name, rtype, spec) \
int name(struct ssam_device *sdev, rtype *ret) \
{ \
return __raw_##name(sdev->ctrl, sdev->uid.target, \
sdev->uid.instance, ret); \
}
This now creates the problem that it is not possible to declare the
generated functions static via
static SSAM_DEFINE_SYNC_REQUEST_CL_R(...)
as this will only apply to the function defined by the multi-device
macro, i.e. SSAM_DEFINE_SYNC_REQUEST_MD_R(). Thus compiling with
`-Wmissing-prototypes' rightfully complains that there is a 'static'
keyword missing.
To solve this, make all SSAM_DEFINE_SYNC_REQUEST_x() macros define
static functions. Non-client-device macros are also changed for
consistency. In general, we expect those functions to be only used
locally in the respective drivers for the corresponding interfaces, so
having to define a wrapper function to be able to export this should be
the odd case out.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: b78b4982d7 ("platform/surface: Add platform profile driver")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20210304190524.1172197-1-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
zynqmp_pm_get_eemi_ops() was removed in commit 4db8180ffe: "Firmware: xilinx:
Remove eemi ops for fpga related APIs", but not in IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE).
Any driver who want to communicate with PMC using EEMI APIs use the functions provided
for each function
This removed zynqmp_pm_get_eemi_ops() in IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE), and also
modify the documentation for this driver.
Fixes: 4db8180ffe ("firmware: xilinx: Remove eemi ops for fpga related APIs")
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Link: https://lore.kernel.org/r/20210215155849.2425846-1-iwamatsu@nigauri.org
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Here is the large set of char/misc/whatever driver subsystem updates for
5.12-rc1. Over time it seems like this tree is collecting more and more
tiny driver subsystems in one place, making it easier for those
maintainers, which is why this is getting larger.
Included in here are:
- coresight driver updates
- habannalabs driver updates
- virtual acrn driver addition (proper acks from the x86
maintainers)
- broadcom misc driver addition
- speakup driver updates
- soundwire driver updates
- fpga driver updates
- amba driver updates
- mei driver updates
- vfio driver updates
- greybus driver updates
- nvmeem driver updates
- phy driver updates
- mhi driver updates
- interconnect driver udpates
- fsl-mc bus driver updates
- random driver fix
- some small misc driver updates (rtsx, pvpanic, etc.)
All of these have been in linux-next for a while, with the only reported
issue being a merge conflict in include/linux/mod_devicetable.h that you
will hit in your tree due to the dfl_device_id addition from the fpga
subsystem in here. The resolution should be simple.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.12-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 large set of char/misc/whatever driver subsystem updates
for 5.12-rc1. Over time it seems like this tree is collecting more and
more tiny driver subsystems in one place, making it easier for those
maintainers, which is why this is getting larger.
Included in here are:
- coresight driver updates
- habannalabs driver updates
- virtual acrn driver addition (proper acks from the x86 maintainers)
- broadcom misc driver addition
- speakup driver updates
- soundwire driver updates
- fpga driver updates
- amba driver updates
- mei driver updates
- vfio driver updates
- greybus driver updates
- nvmeem driver updates
- phy driver updates
- mhi driver updates
- interconnect driver udpates
- fsl-mc bus driver updates
- random driver fix
- some small misc driver updates (rtsx, pvpanic, etc.)
All of these have been in linux-next for a while, with the only
reported issue being a merge conflict due to the dfl_device_id
addition from the fpga subsystem in here"
* tag 'char-misc-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (311 commits)
spmi: spmi-pmic-arb: Fix hw_irq overflow
Documentation: coresight: Add PID tracing description
coresight: etm-perf: Support PID tracing for kernel at EL2
coresight: etm-perf: Clarify comment on perf options
ACRN: update MAINTAINERS: mailing list is subscribers-only
regmap: sdw-mbq: use MODULE_LICENSE("GPL")
regmap: sdw: use no_pm routines for SoundWire 1.2 MBQ
regmap: sdw: use _no_pm functions in regmap_read/write
soundwire: intel: fix possible crash when no device is detected
MAINTAINERS: replace my with email with replacements
mhi: Fix double dma free
uapi: map_to_7segment: Update example in documentation
uio: uio_pci_generic: don't fail probe if pdev->irq equals to IRQ_NOTCONNECTED
drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
firewire: replace tricky statement by two simple ones
vme: make remove callback return void
firmware: google: make coreboot driver's remove callback return void
firmware: xilinx: Use explicit values for all enum values
sample/acrn: Introduce a sample of HSM ioctl interface usage
virt: acrn: Introduce an interface for Service VM to control vCPU
...
Introduce an initial driver for CXL 2.0 Type-3 Memory Devices. CXL is
Compute Express Link which released the 2.0 specification in November.
The Linux relevant changes in CXL 2.0 are support for an OS to
dynamically assign address space to memory devices, support for
switches, persistent memory, and hotplug. A Type-3 Memory Device is a
PCI enumerated device presenting the CXL Memory Device Class Code and
implementing the CXL.mem protocol. CXL.mem allows device to advertise
CPU and I/O coherent memory to the system, i.e. typical "System RAM" and
"Persistent Memory" in Linux /proc/iomem terms.
In addition to the CXL.mem fast path there is an administrative command
hardware mailbox interface for maintenance and provisioning. It is this
command interface that is the focus of the initial driver. With this
driver a CXL device that is mapped by the BIOS can be administered by
Linux. Linux support for CXL PMEM and dynamic CXL address space
management are to be implemented post v5.12.
4cdadfd5e0 cxl/mem: Introduce a driver for CXL-2.0-Type-3 endpoints
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
8adaf747c9 cxl/mem: Find device capabilities
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
b39cb1052a cxl/mem: Register CXL memX devices
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
13237183c7 cxl/mem: Add a "RAW" send command
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
472b1ce6e9 cxl/mem: Enable commands via CEL
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
57ee605b97 cxl/mem: Add set of informational commands
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Merge tag 'cxl-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull initial support for CXL (Compute Express Link) from Dan Williams:
"Introduce an initial driver for CXL 2.0 Type-3 Memory Devices.
CXL is Compute Express Link which released the 2.0 specification in
November. The Linux relevant changes in CXL 2.0 are support for an OS
to dynamically assign address space to memory devices, support for
switches, persistent memory, and hotplug.
A Type-3 Memory Device is a PCI enumerated device presenting the CXL
Memory Device Class Code and implementing the CXL.mem protocol.
CXL.mem allows device to advertise CPU and I/O coherent memory to the
system, i.e. typical "System RAM" and "Persistent Memory" in Linux
/proc/iomem terms.
In addition to the CXL.mem fast path there is an administrative
command hardware mailbox interface for maintenance and provisioning.
It is this command interface that is the focus of the initial driver.
With this driver a CXL device that is mapped by the BIOS can be
administered by Linux.
Linux support for CXL PMEM and dynamic CXL address space management
are to be implemented post v5.12"
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
4cdadfd5e0 ("cxl/mem: Introduce a driver for CXL-2.0-Type-3 endpoints")
13237183c7 ("cxl/mem: Add a "RAW" send command")
472b1ce6e9 ("cxl/mem: Enable commands via CEL")
57ee605b97 ("cxl/mem: Add set of informational commands")
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
8adaf747c9 ("cxl/mem: Find device capabilities")
b39cb1052a ("cxl/mem: Register CXL memX devices")
* tag 'cxl-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
cxl/mem: Fix potential memory leak
cxl/mem: Return -EFAULT if copy_to_user() fails
MAINTAINERS: Add maintainers of the CXL driver
cxl/mem: Add set of informational commands
cxl/mem: Enable commands via CEL
cxl/mem: Add a "RAW" send command
cxl/mem: Add basic IOCTL interface
cxl/mem: Register CXL memX devices
cxl/mem: Find device capabilities
cxl/mem: Introduce a driver for CXL-2.0-Type-3 endpoints
- As promised, the minimum Sphinx version to build the docs is now 1.7,
and we have dropped support for Python 2 entirely. That allowed the
removal of a bunch of compatibility code.
- A set of treewide warning fixups from Mauro that I applied after it
became clear nobody else was going to deal with them.
- The automarkup mechanism can now create cross-references from relative
paths to RST files.
- More translations, typo fixes, and warning fixes.
No conflicts with any other tree as far as I know.
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Merge tag 'docs-5.12' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It has been a relatively quiet cycle in docsland.
- As promised, the minimum Sphinx version to build the docs is now
1.7, and we have dropped support for Python 2 entirely. That
allowed the removal of a bunch of compatibility code.
- A set of treewide warning fixups from Mauro that I applied after it
became clear nobody else was going to deal with them.
- The automarkup mechanism can now create cross-references from
relative paths to RST files.
- More translations, typo fixes, and warning fixes"
* tag 'docs-5.12' of git://git.lwn.net/linux: (75 commits)
docs: kernel-hacking: be more civil
docs: Remove the Microsoft rhetoric
Documentation/admin-guide: kernel-parameters: Update nohlt section
doc/admin-guide: fix spelling mistake: "perfomance" -> "performance"
docs: Document cross-referencing using relative path
docs: Enable usage of relative paths to docs on automarkup
docs: thermal: fix spelling mistakes
Documentation: admin-guide: Update kvm/xen config option
docs: Make syscalls' helpers naming consistent
coding-style.rst: Avoid comma statements
Documentation: /proc/loadavg: add 3 more field descriptions
Documentation/submitting-patches: Add blurb about backtraces in commit messages
Docs: drop Python 2 support
Move our minimum Sphinx version to 1.7
Documentation: input: define ABS_PRESSURE/ABS_MT_PRESSURE resolution as grams
scripts/kernel-doc: add internal hyperlink to DOC: sections
Update Documentation/admin-guide/sysctl/fs.rst
docs: Update DTB format references
docs: zh_CN: add iio index.rst translation
docs/zh_CN: add iio ep93xx_adc.rst translation
...
- new driver for the Toshiba Visconti platform
- rework of interrupt handling in gpio-tegra
- updates for GPIO selftests: we're now using the character device to perform
the subsystem checks
- support for a new rcar variant + some code refactoring
- refactoring of gpio-ep93xx
- SPDX License identifier has been updated in the uapi header so that userspace
programs bundling it can become fully REUSE-compliant
- improvements to pwm handling in gpio-mvebu
- support for interrupt handling and power management for gpio-xilinx as well
as some code refactoring
- support for a new chip variant in gpio-pca953x
- removal of drivers: zte xs & intel-mid and removal of leftovers from
intel-msic
- impovements to intel drivers pulled from Andy Shevchenko
- improvements to the gpio-aggregator virtual GPIO driver
- and several minor tweaks and fixes to code and documentation all over the
place
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Merge tag 'gpio-updates-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"It's been a relatively calm release cycle and we're actually removing
more code than we're adding.
Summary:
- new driver for the Toshiba Visconti platform
- rework of interrupt handling in gpio-tegra
- updates for GPIO selftests: we're now using the character device to
perform the subsystem checks
- support for a new rcar variant + some code refactoring
- refactoring of gpio-ep93xx
- SPDX License identifier has been updated in the uapi header so that
userspace programs bundling it can become fully REUSE-compliant
- improvements to pwm handling in gpio-mvebu
- support for interrupt handling and power management for gpio-xilinx
as well as some code refactoring
- support for a new chip variant in gpio-pca953x
- removal of drivers: zte xs & intel-mid and removal of leftovers
from intel-msic
- impovements to intel drivers pulled from Andy Shevchenko
- improvements to the gpio-aggregator virtual GPIO driver
- and several minor tweaks and fixes to code and documentation all
over the place"
* tag 'gpio-updates-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (71 commits)
gpio: pcf857x: Fix missing first interrupt
gpio: ep93xx: refactor base IRQ number
gpio: ep93xx: refactor ep93xx_gpio_add_bank
gpio: ep93xx: Fix typo s/hierarchial/hierarchical
gpio: ep93xx: drop to_irq binding
gpio: ep93xx: Fix wrong irq numbers in port F
gpio: uapi: use the preferred SPDX license identifier
gpio: gpio-xilinx: Add check if width exceeds 32
gpio: gpio-xilinx: Add support for suspend and resume
gpio: gpio-xilinx: Add interrupt support
gpio: gpio-xilinx: Reduce spinlock array to array
gpio: gpio-xilinx: Simplify with dev_err_probe()
gpio: msic: Drop driver from Makefile
gpio: wcove: Split out to_ireg() helper and deduplicate the code
gpio: wcove: Switch to use regmap_set_bits(), regmap_clear_bits()
gpio: wcove: Get rid of error prone casting in IRQ handler
gpio: intel-mid: Remove driver for deprecated platform
gpio: msic: Remove driver for deprecated platform
gpio: aggregator: Remove trailing comma in terminator entries
gpio: aggregator: Use compound literal from the header
...
thermal driver (Daniel Lezcano)
- Remove the notify ops as it is no longer used (Daniel Lezcano)
- Remove the 'forced passive' option and the unused bind/unbind
functions (Daniel Lezcano)
- Remove the THERMAL_TRIPS_NONE and the code cleanup around this
macro (Daniel Lezcano)
- Rework the delays to make them pre-computed instead of computing
them again and again at each polling interval (Daniel Lezcano)
- Remove the pointless 'thermal_zone_device_reset' function (Daniel
Lezcano)
- Use the critical and hot ops to prevent an unexpected system
shutdown on int340x (Kai-Heng Feng)
- Make the cooling device state private to the thermal subsystem
(Daniel Lezcano)
- Prevent to use not-power-aware actor devices with the power
allocator governor (Lukasz Luba)
- Remove 'zx' and 'tango' support along with the corresponding
platforms (Arnd Bergman)
- Fix several issues on the Omap thermal driver (Tony Lindgren)
- Add support for adc-tm5 PMIC thermal monitor for Qcom
platforms. Please note those changes rely on an immutable branch:
iio-thermal-5.11-rc1/ib-iio-thermal-5.11-rc1 from the iio tree
(Dmitry Baryshkov)
- Fix an initialization loop in the adc-tm5 (Colin Ian King)
- Fix a return error check in the cpufreq cooling device (Viresh Kumar)
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Merge tag 'thermal-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Use the newly introduced 'hot' and 'critical' ops for the acpi
thermal driver (Daniel Lezcano)
- Remove the notify ops as it is no longer used (Daniel Lezcano)
- Remove the 'forced passive' option and the unused bind/unbind
functions (Daniel Lezcano)
- Remove the THERMAL_TRIPS_NONE and the code cleanup around this macro
(Daniel Lezcano)
- Rework the delays to make them pre-computed instead of computing them
again and again at each polling interval (Daniel Lezcano)
- Remove the pointless 'thermal_zone_device_reset' function (Daniel
Lezcano)
- Use the critical and hot ops to prevent an unexpected system shutdown
on int340x (Kai-Heng Feng)
- Make the cooling device state private to the thermal subsystem
(Daniel Lezcano)
- Prevent to use not-power-aware actor devices with the power allocator
governor (Lukasz Luba)
- Remove 'zx' and 'tango' support along with the corresponding
platforms (Arnd Bergman)
- Fix several issues on the Omap thermal driver (Tony Lindgren)
- Add support for adc-tm5 PMIC thermal monitor for Qcom platforms
(Dmitry Baryshkov)
- Fix an initialization loop in the adc-tm5 (Colin Ian King)
- Fix a return error check in the cpufreq cooling device (Viresh Kumar)
* tag 'thermal-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (26 commits)
thermal: cpufreq_cooling: freq_qos_update_request() returns < 0 on error
thermal: qcom: Fix comparison with uninitialized variable channels_available
thermal: qcom: add support for adc-tm5 PMIC thermal monitor
dt-bindings: thermal: qcom: add adc-thermal monitor bindings
thermal: ti-soc-thermal: Use non-inverted define for omap4
thermal: ti-soc-thermal: Simplify polling with iopoll
thermal: ti-soc-thermal: Fix stuck sensor with continuous mode for 4430
thermal: ti-soc-thermal: Skip pointless register access for dra7
thermal/drivers/zx: Remove zx driver
thermal/drivers/tango: Remove tango driver
thermal: power allocator: fail binding for non-power actor devices
thermal/core: Make cooling device state change private
thermal: intel: pch: Fix unexpected shutdown at critical temperature
thermal: int340x: Fix unexpected shutdown at critical temperature
thermal/core: Remove pointless thermal_zone_device_reset() function
thermal/core: Remove ms based delay fields
thermal/core: Use precomputed jiffies for the polling
thermal/core: Precompute the delays from msecs to jiffies
thermal/core: Remove unused macro THERMAL_TRIPS_NONE
thermal/core: Remove THERMAL_TRIPS_NONE test
...
- Microsoft Surface devices System Aggregator Module support
- SW_TABLET_MODE reporting improvements
- thinkpad_acpi keyboard language setting support
- platform / DPTF profile settings support
- Base / userspace API parts merged from Rafael's acpi-platform branch
- thinkpad_acpi and ideapad-laptop support through pdx86
- Remove support for some obsolete Intel MID platforms through merging
of the shared intel-mid-removal branch
- Big cleanup of the ideapad-laptop driver
- Misc. other fixes / new hw support / quirks
The following is an automated git shortlog grouped by driver:
ACPI:
- platform-profile: Fix possible deadlock in platform_profile_remove()
- platform-profile: Introduce object pointers to callbacks
- platform-profile: Drop const qualifier for cur_profile
- platform: Add platform profile support
Documentation:
- Add documentation for new platform_profile sysfs attribute
Documentation/ABI:
- sysfs-platform-ideapad-laptop: conservation_mode attribute
- sysfs-platform-ideapad-laptop: update device attribute paths
Kconfig:
- add missing selects for ideapad-laptop
MAINTAINERS:
- update email address for Henrique de Moraes Holschuh
Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans:
- Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans
Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans:
- Merge remote-tracking branch 'linux-pm/acpi-platform' into review-hans
Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next:
- Merge tag 'ib-drm-gpio-pdx86-rtc-wdt-v5.12-1' into for-next
Move all dell drivers to their own subdirectory:
- Move all dell drivers to their own subdirectory
Platform:
- OLPC: Constify static struct regulator_ops
- OLPC: Specify the enable time
- OLPC: Remove dcon_rdev from olpc_ec_priv
- OLPC: Fix probe error handling
Revert "platform/x86:
- ideapad-laptop: Switch touchpad attribute to be RO"
acer-wmi:
- Don't use ACPI_EXCEPTION()
amd-pmc:
- put device on error paths
- Fix CONFIG_DEBUG_FS check
dell-wmi-sysman:
- fix a NULL pointer dereference
docs:
- driver-api: Add Surface Aggregator subsystem documentation
drm/gma500:
- Get rid of duplicate NULL checks
- Convert to use new SCU IPC API
gpio:
- msic: Remove driver for deprecated platform
- intel-mid: Remove driver for deprecated platform
hp-wmi:
- Disable tablet-mode reporting by default
- Don't log a warning on HPWMI_RET_UNKNOWN_COMMAND errors
i2c-multi-instantiate:
- Don't create platform device for INT3515 ACPI nodes
ideapad-laptop:
- add "always on USB charging" control support
- add keyboard backlight control support
- send notification about touchpad state change to sysfs
- fix checkpatch warnings, more consistent style
- change 'cfg' debugfs file format
- change 'status' debugfs file format
- check for touchpad support in _CFG
- check for Fn-lock support in HALS
- rework is_visible() logic
- rework and create new ACPI helpers
- group and separate (un)related constants into enums
- misc. device attribute changes
- always propagate error codes from device attributes' show() callback
- convert ACPI helpers to return -EIO in case of failure
- use dev_{err,warn} or appropriate variant to display log messages
- use msecs_to_jiffies() helper instead of hand-crafted formula
- use for_each_set_bit() helper to simplify event processing
- use kobj_to_dev()
- use device_{add,remove}_group
- use sysfs_emit()
- add missing call to submodule destructor
- sort includes lexicographically
- use appropriately typed variable to store the return value of ACPI methods
- remove unnecessary NULL checks
- remove unnecessary dev_set_drvdata() call
- DYTC Platform profile support
- Disable touchpad_switch for ELAN0634
intel-vbtn:
- Eval VBDL after registering our notifier
- Add alternative method to enable switches
- Create 2 separate input-devs for buttons and switches
- Rework wakeup handling in notify_handler()
- Drop HP Stream x360 Convertible PC 11 from allow-list
- Support for tablet mode on Dell Inspiron 7352
intel_mid_powerbtn:
- Remove driver for deprecated platform
- Remove driver for deprecated platform
intel_mid_thermal:
- Remove driver for deprecated platform
- Remove driver for deprecated platform
intel_pmt:
- Make INTEL_PMT_CLASS non-user-selectable
intel_pmt_crashlog:
- Add dependency on MFD_INTEL_PMT
intel_pmt_telemetry:
- Add dependency on MFD_INTEL_PMT
intel_scu_ipc:
- Increase virtual timeout from 3 to 5 seconds
intel_scu_wdt:
- Drop mistakenly added const
- Get rid of custom x86 model comparison
- Drop SCU notification
- Move driver from arch/x86
msi-wmi:
- Fix variable 'status' set but not used compiler warning
platform/surface:
- aggregator: Fix access of unaligned value
- Add Surface Hot-Plug driver
- surface3-wmi: Fix variable 'status' set but not used compiler warning
- aggregator: Fix braces in if condition with unlikely() macro
- aggregator: Fix kernel-doc references
- aggregator: fix a kernel-doc markup
- aggregator_cdev: Add comments regarding unchecked allocation size
- aggregator_cdev: Fix access of uninitialized variables
- fix potential integer overflow on shift of a int
- Add Surface ACPI Notify driver
- Add Surface Aggregator user-space interface
- aggregator: Add dedicated bus and device type
- aggregator: Add error injection capabilities
- aggregator: Add trace points
- aggregator: Add event item allocation caching
- aggregator: Add control packet allocation caching
- Add Surface Aggregator subsystem
- SURFACE_PLATFORMS should depend on ACPI
- surface_gpe: Fix non-PM_SLEEP build warnings
platform/x86/intel-uncore-freq:
- Add Sapphire Rapids server support
rtc:
- mrst: Remove driver for deprecated platform
sony-laptop:
- Remove unneeded semicolon
thinkpad_acpi:
- Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on
- Fix 'warning: no previous prototype for' warnings
- Add platform profile support
- fixed warning and incorporated review comments
- rectify length of title underline
- Don't register keyboard_lang unnecessarily
- set keyboard language
- Add P53/73 firmware to fan_quirk_table for dual fan control
- correct palmsensor error checking
tools/power/x86/intel-speed-select:
- Update version to 1.8
- Add new command to get/set TRL
- Add new command turbo-mode
- Set higher of cpuinfo_max_freq or base_frequency
- Set scaling_max_freq to base_frequency
touchscreen_dmi:
- Add info for the Jumper EZpad 7 tablet
- Add swap-x-y quirk for Goodix touchscreen on Estar Beauty HD tablet
watchdog:
- intel-mid_wdt: Postpone IRQ handler registration till SCU is ready
- intel_scu_watchdog: Remove driver for deprecated platform
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Merge tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"Highlights:
- Microsoft Surface devices System Aggregator Module support
- SW_TABLET_MODE reporting improvements
- thinkpad_acpi keyboard language setting support
- platform / DPTF profile settings support:
- Base / userspace API parts merged from Rafael's acpi-platform
branch
- thinkpad_acpi and ideapad-laptop support through pdx86
- Remove support for some obsolete Intel MID platforms through
merging of the shared intel-mid-removal branch
- Big cleanup of the ideapad-laptop driver
- Misc other fixes / new hw support / quirks"
* tag 'platform-drivers-x86-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (99 commits)
platform/x86: intel_scu_ipc: Increase virtual timeout from 3 to 5 seconds
platform/surface: aggregator: Fix access of unaligned value
tools/power/x86/intel-speed-select: Update version to 1.8
tools/power/x86/intel-speed-select: Add new command to get/set TRL
tools/power/x86/intel-speed-select: Add new command turbo-mode
Platform: OLPC: Constify static struct regulator_ops
platform/surface: Add Surface Hot-Plug driver
platform/x86: intel_scu_wdt: Drop mistakenly added const
platform/x86: Kconfig: add missing selects for ideapad-laptop
platform/x86: acer-wmi: Don't use ACPI_EXCEPTION()
platform/x86: thinkpad_acpi: Replace ifdef CONFIG_ACPI_PLATFORM_PROFILE with depends on
platform/x86: thinkpad_acpi: Fix 'warning: no previous prototype for' warnings
platform/x86: msi-wmi: Fix variable 'status' set but not used compiler warning
platform/surface: surface3-wmi: Fix variable 'status' set but not used compiler warning
platform/x86: Move all dell drivers to their own subdirectory
Documentation/ABI: sysfs-platform-ideapad-laptop: conservation_mode attribute
Documentation/ABI: sysfs-platform-ideapad-laptop: update device attribute paths
platform/x86: ideapad-laptop: add "always on USB charging" control support
platform/x86: ideapad-laptop: add keyboard backlight control support
platform/x86: ideapad-laptop: send notification about touchpad state change to sysfs
...
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Merge tag 'media/v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- some core fixes in VB2 mem2mem support
- some improvements and cleanups in V4L2 async kAPI
- newer controls in V4L2 API for H-264 and HEVC codecs
- allegro-dvt driver was promoted from staging
- new i2c sendor drivers: imx334, ov5648, ov8865
- new automobile camera module: rdacm21
- ipu3 cio2 driver started gained support for some ACPI BIOSes
- new ATSC frontend: MaxLinear mxl692 VSB tuner/demod
- the SMIA/CCS driver gained more support for CSS standard
- several driver fixes, updates and improvements
* tag 'media/v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (362 commits)
media: v4l: async: Fix kerneldoc documentation for async functions
media: i2c: max9271: Add MODULE_* macros
media: i2c: Kconfig: Make MAX9271 a module
media: imx334: 'ret' is uninitialized, should have been PTR_ERR()
media: i2c: Add imx334 camera sensor driver
media: dt-bindings: media: Add bindings for imx334
media: ov8856: Configure sensor for GRBG Bayer for all modes
media: i2c: imx219: Implement V4L2_CID_LINK_FREQ control
media: ov5675: fix vflip/hflip control
media: ipu3-cio2: Build bridge only if ACPI is enabled
media: Remove the legacy v4l2-clk API
media: ov6650: Use the generic clock framework
media: mt9m111: Use the generic clock framework
media: ov9640: Use the generic clock framework
media: pxa_camera: Drop the v4l2-clk clock register
media: mach-pxa: Register the camera sensor fixed-rate clock
media: i2c: imx258: get clock from device properties and enable it via runtime PM
media: i2c: imx258: simplify getting state container
media: i2c: imx258: add support for binding via device tree
media: dt-bindings: media: imx258: add bindings for IMX258 sensor
...
Add a straightforward IOCTL that provides a mechanism for userspace to
query the supported memory device commands. CXL commands as they appear
to userspace are described as part of the UAPI kerneldoc. The command
list returned via this IOCTL will contain the full set of commands that
the driver supports, however, some of those commands may not be
available for use by userspace.
Memory device commands first appear in the CXL 2.0 specification. They
are submitted through a mailbox mechanism specified in the CXL 2.0
specification.
The send command allows userspace to issue mailbox commands directly to
the hardware. The list of available commands to send are the output of
the query command. The driver verifies basic properties of the command
and possibly inspect the input (or output) payload to determine whether
or not the command is allowed (or might taint the kernel).
Reported-by: kernel test robot <lkp@intel.com> # bug in earlier revision
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com> (v2)
Cc: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/r/20210217040958.1354670-5-ben.widawsky@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Create the /sys/bus/cxl hierarchy to enumerate:
* Memory Devices (per-endpoint control devices)
* Memory Address Space Devices (platform address ranges with
interleaving, performance, and persistence attributes)
* Memory Regions (active provisioned memory from an address space device
that is in use as System RAM or delegated to libnvdimm as Persistent
Memory regions).
For now, only the per-endpoint control devices are registered on the
'cxl' bus. However, going forward it will provide a mechanism to
coordinate cross-device interleave.
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> (v2)
Link: https://lore.kernel.org/r/20210217040958.1354670-4-ben.widawsky@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Provide enough functionality to utilize the mailbox of a memory device.
The mailbox is used to interact with the firmware running on the memory
device. The flow is proven with one implemented command, "identify".
Because the class code has already told the driver this is a memory
device and the identify command is mandatory.
CXL devices contain an array of capabilities that describe the
interactions software can have with the device or firmware running on
the device. A CXL compliant device must implement the device status and
the mailbox capability. Additionally, a CXL compliant memory device must
implement the memory device capability. Each of the capabilities can
[will] provide an offset within the MMIO region for interacting with the
CXL device.
The capabilities tell the driver how to find and map the register space
for CXL Memory Devices. The registers are required to utilize the CXL
spec defined mailbox interface. The spec outlines two mailboxes, primary
and secondary. The secondary mailbox is earmarked for system firmware,
and not handled in this driver.
Primary mailboxes are capable of generating an interrupt when submitting
a background command. That implementation is saved for a later time.
Reported-by: Colin Ian King <colin.king@canonical.com> (coverity)
Reported-by: Dan Carpenter <dan.carpenter@oracle.com> (smatch)
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com> (v2)
Link: https://www.computeexpresslink.org/download-the-specification
Link: https://lore.kernel.org/r/20210217040958.1354670-3-ben.widawsky@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
The CXL.mem protocol allows a device to act as a provider of "System
RAM" and/or "Persistent Memory" that is fully coherent as if the memory
was attached to the typical CPU memory controller.
With the CXL-2.0 specification a PCI endpoint can implement a "Type-3"
device interface and give the operating system control over "Host
Managed Device Memory". See section 2.3 Type 3 CXL Device.
The memory range exported by the device may optionally be described by
the platform firmware memory map, or by infrastructure like LIBNVDIMM to
provision persistent memory capacity from one, or more, CXL.mem devices.
A pre-requisite for Linux-managed memory-capacity provisioning is this
cxl_mem driver that can speak the mailbox protocol defined in section
8.2.8.4 Mailbox Registers.
For now just land the initial driver boiler-plate and Documentation/
infrastructure.
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: David Rientjes <rientjes@google.com> (v1)
Cc: Jonathan Corbet <corbet@lwn.net>
Link: https://www.computeexpresslink.org/download-the-specification
Link: https://lore.kernel.org/r/20210217040958.1354670-2-ben.widawsky@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Currently the HTML output for Documentation/driver-api/gpio/intro.rst
doesn't look right. The lines that start with LOW or HIGH are formatted
in bold, while the next line after each is not bold.
With this patch, the HTML looks better.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The gpiod_*_array_* functions take four arguments, not three.
Additionally, the formatting of the "value_bitmap" line results in
misformatted HTML, so fix that.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The V4L2 temporary clock helper API, was introduced
in late 2012 and, as mentioned in the documentation,
meant to be replaced by the generic clock API,
once the generic clock framework became available
on all relevant architectures.
The generic clock API is a well-established API (since a few
years now). The last few media capture drivers and sensors
using v4l2-clk have been converted to the generic clock framework.
We can now remove the v4l2-clk API.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Acked-by: Petr Cvek <petrcvekcz@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Now that most users of v4l2_async_notifier_add_subdev have been converted,
let's fix the documentation so it's more clear how the v4l2-async API
should be used.
Document functions that drivers should use, and their purpose.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Driver is gone, so is the documentation. Remove a leftover in documentation.
Fixes: 8ba59e9dee ("misc: pti: Remove driver for deprecated platform")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210129112729.65363-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Current link died, according to Wayback Machine, back in 2017. And the
website is completely down since 2019. Moreover, there was a custom
cover on that PDF, i.e. it was modified.
According to HDMI licence agreement (LA), HDMI specification and technical
information are supposed to be hosted on www.hdmi.org exclusively, and not
redistributed by third-parties.
Sure, there are still many more or less reliable "mirrors" out there with
a direct download straight from a search engine's page. However, for
example, from FPGA4fun[1] website it was removed "per HDMI LA request".
Unfortunately, the official download page is protected by email CAPTCHA,
but that seems to be the only legit way to obtain a copy.
[1] https://www.fpga4fun.com/HDMI.html
Signed-off-by: ivan tkachenko <me@ratijas.tk>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Intel Moorestown and Medfield are quite old Intel Atom based
32-bit platforms, which were in limited use in some Android phones,
tablets and consumer electronics more than eight years ago.
There are no bugs or problems ever reported outside from Intel
for breaking any of that platforms for years. It seems no real
users exists who run more or less fresh kernel on it. The commit
05f4434bc1 ("ASoC: Intel: remove mfld_machine") also in align
with this theory.
Due to above and to reduce a burden of supporting outdated drivers
we remove the support of outdated platforms completely.
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210122114358.39299-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A reference to the sub-device pad ops was not follwed by a whitespace,
resulting in a warning during documentation build. Fix it.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 25c8d9a768 ("media: Documentation: v4l: Document that link_validate op is valid for sink only")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The code was reorganized in 2012 with the commit 0c01ebbfd3.
The main change is a loop on the trip points array and a unconditional
call to the throttle() ops of the governors for each of them even if
the trip temperature is not reached yet.
With this change, the 'forced_passive' is no longer checked in the
thermal_zone_device_update() function but in the step wise governor's
throttle() callback.
As the force_passive does no belong to the trip point array, the
thermal_zone_device_update() can not compare with the specified
passive temperature, thus does not detect the passive limit has been
crossed. Consequently, throttle() is never called and the
'forced_passive' branch is unreached.
In addition, the default processor cooling device is not automatically
bound to the thermal zone if there is not passive trip point, thus the
'forced_passive' can not operate.
If there is an active trip point, then the throttle function will be
called to mitigate at this temperature and the 'forced_passive' will
override the mitigation of the active trip point in this case but with
the default cooling device bound to the thermal zone, so usually a
fan, and that is not a passive cooling effect.
Given the regression exists since more than 8 years, nobody complained
and at the best of my knowledge there is no bug open in
https://bugzilla.kernel.org, it is reasonable to say it is unused.
Remove the 'forced_passive' related code.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Thara Gopinath <thara.gopinath@linaro.org>
Link: https://lore.kernel.org/r/20201214233811.485669-1-daniel.lezcano@linaro.org
Include existing CCS PLL calculator kerneldoc documentation to the
documentation build.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Document pratices of handling clocks in camera sensor drivers on both DT
and ACPI.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Update the formula to calculate the pixel rate on the link for C-PHY.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The link_validate pad op will only be called on sink pads. Document this.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
We no longer have format related callbacks in video ops. Remove the
reference to them.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Hannes reported a problem with setting up dma transfers on a mcb device.
The problem boiled down to the use of a wrong 'device' for the dma
functions.
Document how to setup dma transfers for a IP core on a mcb carrier.
Reported-by: Hannes Duerr <Hannes.Duerr@duagon.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/3bdc8f76b30c2b0e2a2bfab06c2e73797ddc9384.1608305690.git.johannes.thumshirn@wdc.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Replace the lkml.org links with lore to better use a single source
that's more likely to stay available long-term.
Done by bash script:
cvt_lkml_to_lore ()
{
tmpfile=$(mktemp ./.cvt_links.XXXXXXX)
header=$(echo $1 | sed 's@/lkml/@/lkml/headers/@')
wget -qO - $header > $tmpfile
if [[ $? == 0 ]] ; then
link=$(grep -i '^Message-Id:' $tmpfile | head -1 | \
sed -r -e 's/^\s*Message-Id:\s*<\s*//' -e 's/\s*>\s*$//' -e 's@^@https://lore.kernel.org/r/@')
# echo "testlink: $link"
if [ -n "$link" ] ; then
wget -qO - $link > /dev/null
if [[ $? == 0 ]] ; then
echo $link
fi
fi
fi
rm -f $tmpfile
}
git grep -P -o "\bhttps?://(?:www.)?lkml.org/lkml[\/\w]+" $@ |
while read line ; do
echo $line
file=$(echo $line | cut -f1 -d':')
link=$(echo $line | cut -f2- -d':')
newlink=$(cvt_lkml_to_lore $link)
if [[ -n "$newlink" ]] ; then
sed -i -e "s#\b$link\b#$newlink#" $file
fi
done
Link: https://lore.kernel.org/patchwork/patch/1265849/#1462688
Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/77cdb7f32cfb087955bfc3600b86c40bed5d4104.camel@perches.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The Surface ACPI Notify (SAN) device provides an ACPI interface to the
Surface Aggregator EC, specifically the Surface Serial Hub interface.
This interface allows EC requests to be made from ACPI code and can
convert a subset of EC events back to ACPI notifications.
Specifically, this interface provides a GenericSerialBus operation
region ACPI code can execute a request by writing the request command
data and payload to this operation region and reading back the
corresponding response via a write-then-read operation. Furthermore,
this interface provides a _DSM method to be called when certain events
from the EC have been received, essentially turning them into ACPI
notifications.
The driver provided in this commit essentially takes care of translating
the request data written to the operation region, executing the request,
waiting for it to finish, and finally writing and translating back the
response (if the request has one). Furthermore, this driver takes care
of enabling the events handled via ACPI _DSM calls. Lastly, this driver
also exposes an interface providing discrete GPU (dGPU) power-on
notifications on the Surface Book 2, which are also received via the
operation region interface (but not handled by the SAN driver directly),
making them accessible to other drivers (such as a dGPU hot-plug driver
that may be added later on).
On 5th and 6th generation Surface devices (Surface Pro 5/2017, Pro 6,
Book 2, Laptop 1 and 2), the SAN interface provides full battery and
thermal subsystem access, as well as other EC based functionality. On
those models, battery and thermal sensor devices are implemented as
standard ACPI devices of that type, however, forward ACPI calls to the
corresponding Surface Aggregator EC request via the SAN interface and
receive corresponding notifications (e.g. battery information change)
from it. This interface is therefore required to provide said
functionality on those devices.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201221183959.1186143-10-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add a misc-device providing user-space access to the Surface Aggregator
EC, mainly intended for debugging, testing, and reverse-engineering.
This interface gives user-space applications the ability to send
requests to the EC and receive the corresponding responses.
The device-file is managed by a pseudo platform-device and corresponding
driver to avoid dependence on the dedicated bus, allowing it to be
loaded in a minimal configuration.
A python library and scripts to access this device can be found at [1].
[1]: https://github.com/linux-surface/surface-aggregator-module/tree/master/scripts/ssam
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20201221183959.1186143-9-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Add documentation for the Surface Aggregator subsystem and its client
drivers, giving an overview of the subsystem, its use-cases, its
internal structure and internal API, as well as its external API for
writing client drivers.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20201221183959.1186143-8-luzmaximilian@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Subsystem:
- Remove nvram ABI. There was no complaints about the deprecation for the last
3 years.
- Improve RTC device allocation and registration
- Now available for ARCH=um
Drivers:
- at91rm9200: correction and sam9x60 support
- ds1307: improve ACPI support
- mxc: now DT only
- pcf2127: watchdog support now needs the reset-source property
- pcf8523: set range
- rx6110: i2c support
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Merge tag 'rtc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- Remove nvram ABI. There was no complaints about the deprecation for
the last 3 years.
- Improve RTC device allocation and registration
- Now available for ARCH=um
Drivers:
- at91rm9200: correction and sam9x60 support
- ds1307: improve ACPI support
- mxc: now DT only
- pcf2127: watchdog support now needs the reset-source property
- pcf8523: set range
- rx6110: i2c support"
* tag 'rtc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (43 commits)
rtc: pcf2127: only use watchdog when explicitly available
dt-bindings: rtc: add reset-source property
rtc: fix RTC removal
rtc: s3c: Remove dead code related to periodic tick handling
rtc: s3c: Disable all enable (RTC, tick) bits in the probe
rtc: ep93xx: Fix NULL pointer dereference in ep93xx_rtc_read_time
rtc: test: remove debug message
rtc: mxc{,_v2}: enable COMPILE_TEST
rtc: enable RTC framework on ARCH=um
rtc: pcf8523: use BIT
rtc: pcf8523: set range
rtc: pcf8523: switch to devm_rtc_allocate_device
rtc: destroy mutex when releasing the device
rtc: shrink devm_rtc_allocate_device()
rtc: rework rtc_register_device() resource management
rtc: nvmem: emit an error message when nvmem registration fails
rtc: add devm_ prefix to rtc_nvmem_register()
rtc: nvmem: remove nvram ABI
Documentation: list RTC devres helpers in devres.rst
rtc: omap: use devm_pinctrl_register()
...
- Only enable char/agp uapi when CONFIG_DRM_LEGACY is set
Cross-subsystem Changes:
- vma_set_file helper to make vma->vm_file changing less brittle,
acked by Andrew
Core Changes:
- dma-buf heaps improvements
- pass full atomic modeset state to driver callbacks
- shmem helpers: cached bo by default
- cleanups for fbdev, fb-helpers
- better docs for drm modes and SCALING_FITLER uapi
- ttm: fix dma32 page pool regression
Driver Changes:
- multi-hop regression fixes for amdgpu, radeon, nouveau
- lots of small amdgpu hw enabling fixes (display, pm, ...)
- fixes for imx, mcde, meson, some panels, virtio, qxl, i915, all
fairly minor
- some cleanups for legacy drm/fbdev drivers
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Merge tag 'drm-next-2020-12-18' of git://anongit.freedesktop.org/drm/drm
Pull more drm updates from Daniel Vetter:
"UAPI Changes:
- Only enable char/agp uapi when CONFIG_DRM_LEGACY is set
Cross-subsystem Changes:
- vma_set_file helper to make vma->vm_file changing less brittle,
acked by Andrew
Core Changes:
- dma-buf heaps improvements
- pass full atomic modeset state to driver callbacks
- shmem helpers: cached bo by default
- cleanups for fbdev, fb-helpers
- better docs for drm modes and SCALING_FITLER uapi
- ttm: fix dma32 page pool regression
Driver Changes:
- multi-hop regression fixes for amdgpu, radeon, nouveau
- lots of small amdgpu hw enabling fixes (display, pm, ...)
- fixes for imx, mcde, meson, some panels, virtio, qxl, i915, all
fairly minor
- some cleanups for legacy drm/fbdev drivers"
* tag 'drm-next-2020-12-18' of git://anongit.freedesktop.org/drm/drm: (117 commits)
drm/qxl: don't allocate a dma_address array
drm/nouveau: fix multihop when move doesn't work.
drm/i915/tgl: Fix REVID macros for TGL to fetch correct stepping
drm/i915: Fix mismatch between misplaced vma check and vma insert
drm/i915/perf: also include Gen11 in OATAILPTR workaround
Revert "drm/i915: re-order if/else ladder for hpd_irq_setup"
drm/amdgpu/disply: fix documentation warnings in display manager
drm/amdgpu: print mmhub client name for dimgrey_cavefish
drm/amdgpu: set mode1 reset as default for dimgrey_cavefish
drm/amd/display: Add get_dig_frontend implementation for DCEx
drm/radeon: remove h from printk format specifier
drm/amdgpu: remove h from printk format specifier
drm/amdgpu: Fix spelling mistake "Heterogenous" -> "Heterogeneous"
drm/amdgpu: fix regression in vbios reservation handling on headless
drm/amdgpu/SRIOV: Extend VF reset request wait period
drm/amdkfd: correct amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu log.
drm/amd/display: Adding prototype for dccg21_update_dpp_dto()
drm/amdgpu: print what method we are using for runtime pm
drm/amdgpu: simplify logic in atpx resume handling
drm/amdgpu: no need to call pci_ignore_hotplug for _PR3
...
Core changes:
- Retired the old set-up function for GPIO IRQ chips. All chips
now use the template struct gpio_irq_chip and pass that to the core
to be set up alongside the gpio_chip. We can finally get rid of
the old cruft.
- Some refactoring and clean up of the core code.
- Support edge event timestamps to be stamped using REALTIME
(wall clock) timestamps. We have found solid use cases for
this, so we support it.
New drivers:
- MStar MSC313 GPIO driver.
- HiSilicon GPIO driver.
Driver improvements:
- The PCA953x driver now also supports the NXP PCAL9554B/C chips.
- The mockup driver can now be probed from the device tree which
is pretty useful for virtual prototyping of devices.
- The Rcar driver now supports .get_multiple()
- The MXC driver dropped some legacy and became a pure device
tree client.
- The Exar driver was moved over to the IDA interface for
enumerating, and also switched over to using regmap for
register access.
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Merge tag 'gpio-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of the GPIO changes for the v5.11 kernel cycle:
Core changes:
- Retired the old set-up function for GPIO IRQ chips. All chips now
use the template struct gpio_irq_chip and pass that to the core to
be set up alongside the gpio_chip. We can finally get rid of the
old cruft.
- Some refactoring and clean up of the core code.
- Support edge event timestamps to be stamped using REALTIME (wall
clock) timestamps. We have found solid use cases for this, so we
support it.
New drivers:
- MStar MSC313 GPIO driver.
- HiSilicon GPIO driver.
Driver improvements:
- The PCA953x driver now also supports the NXP PCAL9554B/C chips.
- The mockup driver can now be probed from the device tree which is
pretty useful for virtual prototyping of devices.
- The Rcar driver now supports .get_multiple()
- The MXC driver dropped some legacy and became a pure device tree
client.
- The Exar driver was moved over to the IDA interface for
enumerating, and also switched over to using regmap for register
access"
* tag 'gpio-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (87 commits)
MAINTAINERS: Remove reference to non-existing file
gpio: hisi: Do not require ACPI for COMPILE_TEST
MAINTAINERS: Add maintainer for HiSilicon GPIO driver
gpio: gpio-hisi: Add HiSilicon GPIO support
gpio: cs5535: Simplify the return expression of cs5535_gpio_probe()
gpiolib: irq hooks: fix recursion in gpiochip_irq_unmask
dt-bindings: mt7621-gpio: convert bindings to YAML format
gpiolib: cdev: Flag invalid GPIOs as used
gpio: put virtual gpio device into their own submenu
drivers: gpio: amd8111: use SPDX-License-Identifier
drivers: gpio: amd8111: prefer dev_err()/dev_info() over raw printk
drivers: gpio: bt8xx: prefer dev_err()/dev_warn() over of raw printk
gpio: Add TODO item for debugfs interface
gpio: just plain warning when nonexisting gpio requested
tools: gpio: add option to report wall-clock time to gpio-event-mon
tools: gpio: add support for reporting realtime event clock to lsgpio
gpiolib: cdev: allow edge event timestamps to be configured as REALTIME
gpio: msc313: MStar MSC313 GPIO driver
dt-bindings: gpio: Binding for MStar MSC313 GPIO controller
dt-bindings: gpio: Add a binding header for the MSC313 GPIO driver
...
Current release - always broken:
- net/smc: fix access to parent of an ib device
- devlink: use _BITUL() macro instead of BIT() in the UAPI header
- handful of mptcp fixes
Previous release - regressions:
- intel: AF_XDP: clear the status bits for the next_to_use descriptor
- dpaa2-eth: fix the size of the mapped SGT buffer
Previous release - always broken:
- mptcp: fix security context on server socket
- ethtool: fix string set id check
- ethtool: fix error paths in ethnl_set_channels()
- lan743x: fix rx_napi_poll/interrupt ping-pong
- qca: ar9331: fix sleeping function called from invalid context bug
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Current release - always broken:
- net/smc: fix access to parent of an ib device
- devlink: use _BITUL() macro instead of BIT() in the UAPI header
- handful of mptcp fixes
Previous release - regressions:
- intel: AF_XDP: clear the status bits for the next_to_use descriptor
- dpaa2-eth: fix the size of the mapped SGT buffer
Previous release - always broken:
- mptcp: fix security context on server socket
- ethtool: fix string set id check
- ethtool: fix error paths in ethnl_set_channels()
- lan743x: fix rx_napi_poll/interrupt ping-pong
- qca: ar9331: fix sleeping function called from invalid context bug"
* tag 'net-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (32 commits)
net/sched: sch_taprio: reset child qdiscs before freeing them
nfp: move indirect block cleanup to flower app stop callback
octeontx2-af: Fix undetected unmap PF error check
net: nixge: fix spelling mistake in Kconfig: "Instuments" -> "Instruments"
qlcnic: Fix error code in probe
mptcp: fix pending data accounting
mptcp: push pending frames when subflow has free space
mptcp: properly annotate nested lock
mptcp: fix security context on server socket
net/mlx5: Fix compilation warning for 32-bit platform
mptcp: clear use_ack and use_map when dropping other suboptions
devlink: use _BITUL() macro instead of BIT() in the UAPI header
net: korina: fix return value
net/smc: fix access to parent of an ib device
ethtool: fix error paths in ethnl_set_channels()
nfc: s3fwrn5: Remove unused NCI prop commands
nfc: s3fwrn5: Remove the delay for NFC sleep
phy: fix kdoc warning
tipc: do sanity check payload of a netlink message
use __netdev_notify_peers in hyperv
...
New drivers/devices
- Qualcomm ADM driver
- Qualcomm GPI driver
- Allwinner A100 DMA support
- Microchip Sama7g5 support
- Mediatek MT8516 apdma
- Updates:
- more updates to idxd driver and support for IAX config
- runtime PM support for dw driver
- TI keystone drivers for 5.11 included here due to dependency for TI
drivers
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Merge tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"The last dmaengine updates for this year :)
This contains couple of new drivers, new device support and updates to
bunch of drivers.
New drivers/devices:
- Qualcomm ADM driver
- Qualcomm GPI driver
- Allwinner A100 DMA support
- Microchip Sama7g5 support
- Mediatek MT8516 apdma
Updates:
- more updates to idxd driver and support for IAX config
- runtime PM support for dw driver
- TI drivers"
* tag 'dmaengine-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (75 commits)
soc: ti: k3-ringacc: Use correct error casting in k3_ringacc_dmarings_init
dmaengine: ti: k3-udma-glue: Add support for K3 PKTDMA
dmaengine: ti: k3-udma: Initial support for K3 PKTDMA
dmaengine: ti: k3-udma: Add support for BCDMA channel TPL handling
dmaengine: ti: k3-udma: Initial support for K3 BCDMA
soc: ti: k3-ringacc: add AM64 DMA rings support.
dmaengine: ti: Add support for k3 event routers
dmaengine: ti: k3-psil: Add initial map for AM64
dmaengine: ti: k3-psil: Extend psil_endpoint_config for K3 PKTDMA
dt-bindings: dma: ti: Add document for K3 PKTDMA
dt-bindings: dma: ti: Add document for K3 BCDMA
dmaengine: dmatest: Use dmaengine_get_dma_device
dmaengine: doc: client: Update for dmaengine_get_dma_device() usage
dmaengine: Add support for per channel coherency handling
dmaengine: of-dma: Add support for optional router configuration callback
dmaengine: ti: k3-udma-glue: Configure the dma_dev for rings
dmaengine: ti: k3-udma-glue: Get the ringacc from udma_dev
dmaengine: ti: k3-udma-glue: Add function to get device pointer for DMA API
dmaengine: ti: k3-udma: Add support for second resource range from sysfw
dmaengine: ti: k3-udma: Wait for peer teardown completion if supported
...
* Fix refcounting for unpartitioned MTDs
* Fix misspelled function parameter 'section'
* Remove unneeded break
* cmdline parser: Fix parsing of part-names with colons
* mtdpart: Fix misdocumented function parameter 'mtd'
MTD devices:
* phram:
- Allow the user to set the erase page size
- File headers are not good candidates for kernel-doc
* physmap-bt1-rom: Fix __iomem addrspace removal warning
* plat-ram: correctly free memory on error path in platram_probe()
* powernv_flash: Add function names to headers and fix 'dev'
* docg3: Fix kernel-doc 'bad line' and 'excessive doc' issues
UBI cleanup fixes:
* gluebi: Fix misnamed function parameter documentation
* wl: Fix a couple of kernel-doc issues
* eba: Fix a couple of misdocumentation issues
* kapi: Correct documentation for 'ubi_leb_read_sg's 'sgl' parameter
* Document 'ubi_num' in struct mtd_dev_param
Generic NAND core:
* ECC management:
- Add an I/O request tweaking mechanism
- Entire rework of the software BCH ECC driver, creation of a real
ECC engine, getting rid of raw NAND structures, migration to more
generic prototypes, misc fixes and style cleanup. Moved now to the
Generic NAND layer.
- Entire rework of the software Hamming ECC driver, creation of a
real ECC engine, getting rid of raw NAND structures, misc renames,
comment updates, cleanup, and style fixes. Moved now to the
generic NAND layer.
- Necessary plumbing at the NAND level to retrieve generic NAND ECC
engines (softwares and on-die).
- Update of the bindings.
Raw NAND core:
* Geting rid of the chip->ecc.priv entry.
* Fix miscellaneous typos in kernel-doc
Raw NAND controller drivers:
* Arasan: Document 'anfc_op's 'buf' member
* AU1550: Ensure the presence of the right includes
* Brcmnand: Demote non-conformant kernel-doc headers
* Cafe: Remove superfluous param doc and add another
* Davinci: Do not use extra dereferencing
* Diskonchip: Marking unused variables as __always_unused
* GPMI:
- Fix the driver only sense CS0 R/B issue
- Fix the random DMA timeout issue
- Use a single line for of_device_id
- Use of_device_get_match_data()
- Fix reference count leak in gpmi ops
- Cleanup makefile
- Fix binding matching of clocks on different SoCs
* Ingenic: remove redundant get_device() in ingenic_ecc_get()
* Intel LGM: New NAND controller driver
* Marvell: Drop useless line
* Meson:
- Fix a resource leak in init
- Fix meson_nfc_dma_buffer_release() arguments
* mxc:
- Use device_get_match_data()
- Use a single line for of_device_id
- Remove platform data support
* Omap:
- Fix a bunch of kernel-doc misdemeanours
- Finish ELM half populated function header, demote empty ones
* s3c2410: Add documentation for 2 missing struct members
* Sunxi: Document 'sunxi_nfc's 'caps' member
* Qcom:
- Add support for SDX55
- Support for IPQ6018 QPIC NAND controller
- Fix DMA sync on FLASH_STATUS register read
* Rockchip: New NAND controller driver for RK3308, RK2928 and others
* Sunxi: Add MDMA support
ONENAND:
* bbt: Fix expected kernel-doc formatting
* Fix some kernel-doc misdemeanours
* Fix expected kernel-doc formatting
* Use mtd->oops_panic_write as condition
SPI-NAND core:
* Creation of a SPI-NAND on-die ECC engine
* Move ECC related definitions earlier in the driver
* Fix typo in comment
* Fill a default ECC provider/algorithm
* Remove outdated comment
* Fix OOB read
* Allow the case where there is no ECC engine
* Use the external ECC engine logic
SPI-NAND chip drivers:
* Micron:
- Add support for MT29F2G01AAAED
- Use more specific names
* Macronix:
- Add support for MX35LFxG24AD
- Add support for MX35LFxGE4AD
* Toshiba: Demote non-conformant kernel-doc header
SPI-NOR core:
* Initial support for stateful Octal DTR mode using volatile settings
* Preliminary support for JEDEC 251 (xSPI) and JEDEC 216D standards
* Support for Cypress Semper flash
* Support to specify ECC block size of SPI NOR flashes
* Fixes to avoid clearing of non-volatile Block Protection bits at
probe
* hisi-sfc: Demote non-conformant kernel-doc
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Merge tag 'mtd/for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD core:
- Fix refcounting for unpartitioned MTDs
- Fix misspelled function parameter 'section'
- Remove unneeded break
- cmdline parser: Fix parsing of part-names with colons
- mtdpart: Fix misdocumented function parameter 'mtd'
MTD devices:
- phram:
- Allow the user to set the erase page size
- File headers are not good candidates for kernel-doc
- physmap-bt1-rom: Fix __iomem addrspace removal warning
- plat-ram: correctly free memory on error path in platram_probe()
- powernv_flash: Add function names to headers and fix 'dev'
- docg3: Fix kernel-doc 'bad line' and 'excessive doc' issues
UBI cleanup fixes:
- gluebi: Fix misnamed function parameter documentation
- wl: Fix a couple of kernel-doc issues
- eba: Fix a couple of misdocumentation issues
- kapi: Correct documentation for 'ubi_leb_read_sg's 'sgl' parameter
- Document 'ubi_num' in struct mtd_dev_param
Generic NAND core ECC management:
- Add an I/O request tweaking mechanism
- Entire rework of the software BCH ECC driver, creation of a real
ECC engine, getting rid of raw NAND structures, migration to more
generic prototypes, misc fixes and style cleanup. Moved now to the
Generic NAND layer.
- Entire rework of the software Hamming ECC driver, creation of a
real ECC engine, getting rid of raw NAND structures, misc renames,
comment updates, cleanup, and style fixes. Moved now to the generic
NAND layer.
- Necessary plumbing at the NAND level to retrieve generic NAND ECC
engines (softwares and on-die).
- Update of the bindings.
Raw NAND core:
- Geting rid of the chip->ecc.priv entry.
- Fix miscellaneous typos in kernel-doc
Raw NAND controller drivers:
- Arasan: Document 'anfc_op's 'buf' member
- AU1550: Ensure the presence of the right includes
- Brcmnand: Demote non-conformant kernel-doc headers
- Cafe: Remove superfluous param doc and add another
- Davinci: Do not use extra dereferencing
- Diskonchip: Marking unused variables as __always_unused
- GPMI:
- Fix the driver only sense CS0 R/B issue
- Fix the random DMA timeout issue
- Use a single line for of_device_id
- Use of_device_get_match_data()
- Fix reference count leak in gpmi ops
- Cleanup makefile
- Fix binding matching of clocks on different SoCs
- Ingenic: remove redundant get_device() in ingenic_ecc_get()
- Intel LGM: New NAND controller driver
- Marvell: Drop useless line
- Meson:
- Fix a resource leak in init
- Fix meson_nfc_dma_buffer_release() arguments
- mxc:
- Use device_get_match_data()
- Use a single line for of_device_id
- Remove platform data support
- Omap:
- Fix a bunch of kernel-doc misdemeanours
- Finish ELM half populated function header, demote empty ones
- s3c2410: Add documentation for 2 missing struct members
- Sunxi: Document 'sunxi_nfc's 'caps' member
- Qcom:
- Add support for SDX55
- Support for IPQ6018 QPIC NAND controller
- Fix DMA sync on FLASH_STATUS register read
- Rockchip: New NAND controller driver for RK3308, RK2928 and others
- Sunxi: Add MDMA support
ONENAND:
- bbt: Fix expected kernel-doc formatting
- Fix some kernel-doc misdemeanours
- Fix expected kernel-doc formatting
- Use mtd->oops_panic_write as condition
SPI-NAND core:
- Creation of a SPI-NAND on-die ECC engine
- Move ECC related definitions earlier in the driver
- Fix typo in comment
- Fill a default ECC provider/algorithm
- Remove outdated comment
- Fix OOB read
- Allow the case where there is no ECC engine
- Use the external ECC engine logic
SPI-NAND chip drivers:
- Micron:
- Add support for MT29F2G01AAAED
- Use more specific names
- Macronix:
- Add support for MX35LFxG24AD
- Add support for MX35LFxGE4AD
- Toshiba: Demote non-conformant kernel-doc header
SPI-NOR core:
- Initial support for stateful Octal DTR mode using volatile settings
- Preliminary support for JEDEC 251 (xSPI) and JEDEC 216D standards
- Support for Cypress Semper flash
- Support to specify ECC block size of SPI NOR flashes
- Fixes to avoid clearing of non-volatile Block Protection bits at
probe
- hisi-sfc: Demote non-conformant kernel-doc"
* tag 'mtd/for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (120 commits)
mtd: spinand: macronix: Add support for MX35LFxG24AD
mtd: rawnand: rockchip: NFC driver for RK3308, RK2928 and others
dt-bindings: mtd: Describe Rockchip RK3xxx NAND flash controller
mtd: rawnand: gpmi: Use a single line for of_device_id
mtd: rawnand: gpmi: Fix the random DMA timeout issue
mtd: rawnand: gpmi: Fix the driver only sense CS0 R/B issue
mtd: rawnand: qcom: Add NAND controller support for SDX55
dt-bindings: qcom_nandc: Add SDX55 QPIC NAND documentation
mtd: rawnand: mxc: Use a single line for of_device_id
mtd: rawnand: mxc: Use device_get_match_data()
mtd: rawnand: meson: Fix a resource leak in init
mtd: rawnand: gpmi: Use of_device_get_match_data()
mtd: rawnand: Add NAND controller support on Intel LGM SoC
dt-bindings: mtd: Add Nand Flash Controller support for Intel LGM SoC
mtd: spinand: micron: Add support for MT29F2G01AAAED
mtd: spinand: micron: Use more specific names
mtd: rawnand: gpmi: fix reference count leak in gpmi ops
dt-bindings: mtd: gpmi-nand: Fix matching of clocks on different SoCs
mtd: spinand: macronix: Add support for MX35LFxGE4AD
mtd: plat-ram: correctly free memory on error path in platram_probe()
...
The connector driver never modifies any cb_id passed to it, so add a const
qualifier to those arguments so callers can declare their struct cb_id as a
constant object.
Fixes build warnings like these when passing a constant struct cb_id:
warning: passing argument 1 of ‘cn_add_callback’ discards ‘const’ qualifier from pointer target
Signed-off-by: Geoff Levand <geoff@infradead.org>
Link: https://lore.kernel.org/r/a9e49c9e-67fa-16e7-0a6b-72f6bd30c58a@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Use local_clock() instead of jiffies in the cpufreq statistics to
improve accuracy (Viresh Kumar).
- Fix up OPP usage in the cpufreq-dt and qcom-cpufreq-nvmem cpufreq
drivers (Viresh Kumar).
- Clean up the cpufreq core, the intel_pstate driver and the
schedutil cpufreq governor (Rafael Wysocki).
- Fix up error code paths in the sti-cpufreq and mediatek cpufreq
drivers (Yangtao Li, Qinglang Miao).
- Fix cpufreq_online() to return error codes instead of success (0)
in all cases when it fails (Wang ShaoBo).
- Add mt8167 support to the mediatek cpufreq driver and blacklist
mt8516 in the cpufreq-dt-platdev driver (Fabien Parent).
- Modify the tegra194 cpufreq driver to always return values from
the frequency table as the current frequency and clean up that
driver (Sumit Gupta, Jon Hunter).
- Modify the arm_scmi cpufreq driver to allow it to discover the
power scale present in the performance protocol and provide this
information to the Energy Model (Lukasz Luba).
- Add missing MODULE_DEVICE_TABLE to several cpufreq drivers (Pali
Rohár).
- Clean up the CPPC cpufreq driver (Ionela Voinescu).
- Fix NVMEM_IMX_OCOTP dependency in the imx cpufreq driver (Arnd
Bergmann).
- Rework the poling interval selection for the polling state in
cpuidle (Mel Gorman).
- Enable suspend-to-idle for PSCI OSI mode in the PSCI cpuidle
driver (Ulf Hansson).
- Modify the OPP framework to support empty (node-less) OPP tables
in DT for passing dependency information (Nicola Mazzucato).
- Fix potential lockdep issue in the OPP core and clean up the OPP
core (Viresh Kumar).
- Modify dev_pm_opp_put_regulators() to accept a NULL argument and
update its users accordingly (Viresh Kumar).
- Add frequency changes tracepoint to devfreq (Matthias Kaehlcke).
- Add support for governor feature flags to devfreq, make devfreq
sysfs file permissions depend on the governor and clean up the
devfreq core (Chanwoo Choi).
- Clean up the tegra20 devfreq driver and deprecate it to allow
another driver based on EMC_STAT to be used instead of it (Dmitry
Osipenko).
- Add interconnect support to the tegra30 devfreq driver, allow it
to take the interconnect and OPP information from DT and clean it
up ((Dmitry Osipenko).
- Add interconnect support to the exynos-bus devfreq driver along
with interconnect properties documentation (Sylwester Nawrocki).
- Add suport for AMD Fam17h and Fam19h processors to the RAPL power
capping driver (Victor Ding, Kim Phillips).
- Fix handling of overly long constraint names in the powercap
framework (Lukasz Luba).
- Fix the wakeup configuration handling for bridges in the ACPI
device power management core (Rafael Wysocki).
- Add support for using an abstract scale for power units in the
Energy Model (EM) and document it (Lukasz Luba).
- Add em_cpu_energy() micro-optimization to the EM (Pavankumar
Kondeti).
- Modify the generic power domains (genpd) framwework to support
suspend-to-idle (Ulf Hansson).
- Fix creation of debugfs nodes in genpd (Thierry Strudel).
- Clean up genpd (Lina Iyer).
- Clean up the core system-wide suspend code and make it print
driver flags for devices with debug enabled (Alex Shi, Patrice
Chotard, Chen Yu).
- Modify the ACPI system reboot code to make it prepare for system
power off to avoid confusing the platform firmware (Kai-Heng Feng).
- Update the pm-graph (multiple changes, mostly usability-related)
and cpupower (online and offline CPU information support) PM
utilities (Todd Brandt, Brahadambal Srinivasan).
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Merge tag 'pm-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These update cpufreq (core and drivers), cpuidle (polling state
implementation and the PSCI driver), the OPP (operating performance
points) framework, devfreq (core and drivers), the power capping RAPL
(Running Average Power Limit) driver, the Energy Model support, the
generic power domains (genpd) framework, the ACPI device power
management, the core system-wide suspend code and power management
utilities.
Specifics:
- Use local_clock() instead of jiffies in the cpufreq statistics to
improve accuracy (Viresh Kumar).
- Fix up OPP usage in the cpufreq-dt and qcom-cpufreq-nvmem cpufreq
drivers (Viresh Kumar).
- Clean up the cpufreq core, the intel_pstate driver and the
schedutil cpufreq governor (Rafael Wysocki).
- Fix up error code paths in the sti-cpufreq and mediatek cpufreq
drivers (Yangtao Li, Qinglang Miao).
- Fix cpufreq_online() to return error codes instead of success (0)
in all cases when it fails (Wang ShaoBo).
- Add mt8167 support to the mediatek cpufreq driver and blacklist
mt8516 in the cpufreq-dt-platdev driver (Fabien Parent).
- Modify the tegra194 cpufreq driver to always return values from the
frequency table as the current frequency and clean up that driver
(Sumit Gupta, Jon Hunter).
- Modify the arm_scmi cpufreq driver to allow it to discover the
power scale present in the performance protocol and provide this
information to the Energy Model (Lukasz Luba).
- Add missing MODULE_DEVICE_TABLE to several cpufreq drivers (Pali
Rohár).
- Clean up the CPPC cpufreq driver (Ionela Voinescu).
- Fix NVMEM_IMX_OCOTP dependency in the imx cpufreq driver (Arnd
Bergmann).
- Rework the poling interval selection for the polling state in
cpuidle (Mel Gorman).
- Enable suspend-to-idle for PSCI OSI mode in the PSCI cpuidle driver
(Ulf Hansson).
- Modify the OPP framework to support empty (node-less) OPP tables in
DT for passing dependency information (Nicola Mazzucato).
- Fix potential lockdep issue in the OPP core and clean up the OPP
core (Viresh Kumar).
- Modify dev_pm_opp_put_regulators() to accept a NULL argument and
update its users accordingly (Viresh Kumar).
- Add frequency changes tracepoint to devfreq (Matthias Kaehlcke).
- Add support for governor feature flags to devfreq, make devfreq
sysfs file permissions depend on the governor and clean up the
devfreq core (Chanwoo Choi).
- Clean up the tegra20 devfreq driver and deprecate it to allow
another driver based on EMC_STAT to be used instead of it (Dmitry
Osipenko).
- Add interconnect support to the tegra30 devfreq driver, allow it to
take the interconnect and OPP information from DT and clean it up
(Dmitry Osipenko).
- Add interconnect support to the exynos-bus devfreq driver along
with interconnect properties documentation (Sylwester Nawrocki).
- Add suport for AMD Fam17h and Fam19h processors to the RAPL power
capping driver (Victor Ding, Kim Phillips).
- Fix handling of overly long constraint names in the powercap
framework (Lukasz Luba).
- Fix the wakeup configuration handling for bridges in the ACPI
device power management core (Rafael Wysocki).
- Add support for using an abstract scale for power units in the
Energy Model (EM) and document it (Lukasz Luba).
- Add em_cpu_energy() micro-optimization to the EM (Pavankumar
Kondeti).
- Modify the generic power domains (genpd) framwework to support
suspend-to-idle (Ulf Hansson).
- Fix creation of debugfs nodes in genpd (Thierry Strudel).
- Clean up genpd (Lina Iyer).
- Clean up the core system-wide suspend code and make it print driver
flags for devices with debug enabled (Alex Shi, Patrice Chotard,
Chen Yu).
- Modify the ACPI system reboot code to make it prepare for system
power off to avoid confusing the platform firmware (Kai-Heng Feng).
- Update the pm-graph (multiple changes, mostly usability-related)
and cpupower (online and offline CPU information support) PM
utilities (Todd Brandt, Brahadambal Srinivasan)"
* tag 'pm-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (86 commits)
cpufreq: Fix cpufreq_online() return value on errors
cpufreq: Fix up several kerneldoc comments
cpufreq: stats: Use local_clock() instead of jiffies
cpufreq: schedutil: Simplify sugov_update_next_freq()
cpufreq: intel_pstate: Simplify intel_cpufreq_update_pstate()
PM: domains: create debugfs nodes when adding power domains
opp: of: Allow empty opp-table with opp-shared
dt-bindings: opp: Allow empty OPP tables
media: venus: dev_pm_opp_put_*() accepts NULL argument
drm/panfrost: dev_pm_opp_put_*() accepts NULL argument
drm/lima: dev_pm_opp_put_*() accepts NULL argument
PM / devfreq: exynos: dev_pm_opp_put_*() accepts NULL argument
cpufreq: qcom-cpufreq-nvmem: dev_pm_opp_put_*() accepts NULL argument
cpufreq: dt: dev_pm_opp_put_regulators() accepts NULL argument
opp: Allow dev_pm_opp_put_*() APIs to accept NULL opp_table
opp: Don't create an OPP table from dev_pm_opp_get_opp_table()
cpufreq: dt: Don't (ab)use dev_pm_opp_get_opp_table() to create OPP table
opp: Reduce the size of critical section in _opp_kref_release()
PM / EM: Micro optimization in em_cpu_energy
cpufreq: arm_scmi: Discover the power scale in performance protocol
...
Pull thermal updates from Daniel Lezcano:
- Add upper and lower limits clamps for the cooling device state in the
power allocator governor (Michael Kao)
- Add upper and lower limits support for the power allocator governor
(Lukasz Luba)
- Optimize conditions testing for the trip points (Bernard Zhao)
- Replace spin_lock_irqsave by spin_lock in hard IRQ on the rcar driver
(Tian Tao)
- Add MT8516 dt-bindings and device reset optional support (Fabien
Parent)
- Add a quiescent period to cool down the PCH when entering S0iX
(Sumeet Pawnikar)
- Use bitmap API instead of re-inventing the wheel on sun8i (Yangtao
Li)
- Remove useless NULL check in the hwmon driver (Bernard Zhao)
- Update the current state in the cpufreq cooling device only if the
frequency change is effective (Zhuguangqing)
- Improve the schema validation for the rcar DT bindings (Geert
Uytterhoeven)
- Fix the user time unit in the documentation (Viresh Kumar)
- Add PCI ids for Lewisburg PCH (Andres Freund)
- Add hwmon support on amlogic (Martin Blumenstingl)
- Fix build failure for PCH entering on in S0iX (Randy Dunlap)
- Improve the k_* coefficient for the power allocator governor (Lukasz
Luba)
- Fix missing const on a sysfs attribute (Rikard Falkeborn)
- Remove broken interrupt support on rcar to be replaced by a new one
(Niklas Söderlund)
- Improve the error code handling at init time on imx8mm (Fabio
Estevam)
- Compute interval validity once instead at each temperature reading
iteration on acerhdf (Daniel Lezcano)
- Add r8a779a0 support (Niklas Söderlund)
- Add PCI ids for AlderLake PCH and mmio refactoring (Srinivas
Pandruvada)
- Add RFIM and mailbox support on int340x (Srinivas Pandruvada)
- Use macro for temperature calculation on PCH (Sumeet Pawnikar)
- Simplify return conditions at probe time on Broadcom (Zheng Yongjun)
- Fix workload name on PCH (Srinivas Pandruvada)
- Migrate the devfreq cooling device code to the energy model API
(Lukasz Luba)
- Emit a warning if the thermal_zone_device_update is called without
the .get_temp() ops (Daniel Lezcano)
- Add critical and hot ops for the thermal zone (Daniel Lezcano)
- Remove notification usage when critical is reached on rcar (Daniel
Lezcano)
- Fix devfreq build when ENERGY_MODEL is not set (Lukasz Luba)
* tag 'thermal-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (45 commits)
thermal/drivers/devfreq_cooling: Fix the build when !ENERGY_MODEL
thermal/drivers/rcar: Remove notification usage
thermal/core: Add critical and hot ops
thermal/core: Emit a warning if the thermal zone is updated without ops
drm/panfrost: Register devfreq cooling and attempt to add Energy Model
thermal: devfreq_cooling: remove old power model and use EM
thermal: devfreq_cooling: add new registration functions with Energy Model
thermal: devfreq_cooling: use a copy of device status
thermal: devfreq_cooling: change tracing function and arguments
thermal: int340x: processor_thermal: Correct workload type name
thermal: broadcom: simplify the return expression of bcm2711_thermal_probe()
thermal: intel: pch: use macro for temperature calculation
thermal: int340x: processor_thermal: Add mailbox driver
thermal: int340x: processor_thermal: Add RFIM driver
thermal: int340x: processor_thermal: Add AlderLake PCI device id
thermal: int340x: processor_thermal: Refactor MMIO interface
thermal: rcar_gen3_thermal: Add r8a779a0 support
dt-bindings: thermal: rcar-gen3-thermal: Add r8a779a0 support
platform/x86/drivers/acerhdf: Check the interval value when it is set
platform/x86/drivers/acerhdf: Use module_param_cb to set/get polling interval
...
Pull input updates from Dmitry Torokhov:
- support for inhibiting input devices at request from userspace. If a
device implements open/close methods, it can also put device into low
power state. This is needed, for example, to disable keyboard and
touchpad on convertibles when they are transitioned into tablet mode
- now that ordinary input devices can be configured for polling mode,
dedicated input polling device implementation has been removed
- GTCO tablet driver has been removed, as it used problematic custom
HID parser, devices are EOL, and there is no interest from the
manufacturer
- a new driver for Dialog DA7280 haptic chips has been introduced
- a new driver for power button on Dell Wyse 3020
- support for eKTF2132 in ektf2127 driver
- support for SC2721 and SC2730 in sc27xx-vibra driver
- enhancements for Atmel touchscreens, AD7846 touchscreens, Elan
touchpads, ADP5589, ST1232 touchscreen, TM2 touchkey drivers
- fixes and cleanups to allow clean builds with W=1
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (86 commits)
Input: da7280 - fix spelling mistake "sequemce" -> "sequence"
Input: cyapa_gen6 - fix out-of-bounds stack access
Input: sc27xx - add support for sc2730 and sc2721
dt-bindings: input: Add compatible string for SC2721 and SC2730
dt-bindings: input: Convert sc27xx-vibra.txt to json-schema
Input: stmpe - add axis inversion and swapping capability
Input: adp5589-keys - do not explicitly control IRQ for wakeup
Input: adp5589-keys - do not unconditionally configure as wakeup source
Input: ipx4xx-beeper - convert comma to semicolon
Input: parkbd - convert comma to semicolon
Input: new da7280 haptic driver
dt-bindings: input: Add document bindings for DA7280
MAINTAINERS: da7280 updates to the Dialog Semiconductor search terms
Input: elantech - fix protocol errors for some trackpoints in SMBus mode
Input: elan_i2c - add new trackpoint report type 0x5F
Input: elants - document some registers and values
Input: atmel_mxt_ts - simplify the return expression of mxt_send_bootloader_cmd()
Input: imx_keypad - add COMPILE_TEST support
Input: applespi - use new structure for SPI transfer delays
Input: synaptics-rmi4 - use new structure for SPI transfer delays
...
Core:
- support "prefer busy polling" NAPI operation mode, where we defer softirq
for some time expecting applications to periodically busy poll
- AF_XDP: improve efficiency by more batching and hindering
the adjacency cache prefetcher
- af_packet: make packet_fanout.arr size configurable up to 64K
- tcp: optimize TCP zero copy receive in presence of partial or unaligned
reads making zero copy a performance win for much smaller messages
- XDP: add bulk APIs for returning / freeing frames
- sched: support fragmenting IP packets as they come out of conntrack
- net: allow virtual netdevs to forward UDP L4 and fraglist GSO skbs
BPF:
- BPF switch from crude rlimit-based to memcg-based memory accounting
- BPF type format information for kernel modules and related tracing
enhancements
- BPF implement task local storage for BPF LSM
- allow the FENTRY/FEXIT/RAW_TP tracing programs to use bpf_sk_storage
Protocols:
- mptcp: improve multiple xmit streams support, memory accounting and
many smaller improvements
- TLS: support CHACHA20-POLY1305 cipher
- seg6: add support for SRv6 End.DT4/DT6 behavior
- sctp: Implement RFC 6951: UDP Encapsulation of SCTP
- ppp_generic: add ability to bridge channels directly
- bridge: Connectivity Fault Management (CFM) support as is defined in
IEEE 802.1Q section 12.14.
Drivers:
- mlx5: make use of the new auxiliary bus to organize the driver internals
- mlx5: more accurate port TX timestamping support
- mlxsw:
- improve the efficiency of offloaded next hop updates by using
the new nexthop object API
- support blackhole nexthops
- support IEEE 802.1ad (Q-in-Q) bridging
- rtw88: major bluetooth co-existance improvements
- iwlwifi: support new 6 GHz frequency band
- ath11k: Fast Initial Link Setup (FILS)
- mt7915: dual band concurrent (DBDC) support
- net: ipa: add basic support for IPA v4.5
Refactor:
- a few pieces of in_interrupt() cleanup work from Sebastian Andrzej Siewior
- phy: add support for shared interrupts; get rid of multiple driver
APIs and have the drivers write a full IRQ handler, slight growth
of driver code should be compensated by the simpler API which
also allows shared IRQs
- add common code for handling netdev per-cpu counters
- move TX packet re-allocation from Ethernet switch tag drivers to
a central place
- improve efficiency and rename nla_strlcpy
- number of W=1 warning cleanups as we now catch those in a patchwork
build bot
Old code removal:
- wan: delete the DLCI / SDLA drivers
- wimax: move to staging
- wifi: remove old WDS wifi bridging support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core:
- support "prefer busy polling" NAPI operation mode, where we defer
softirq for some time expecting applications to periodically busy
poll
- AF_XDP: improve efficiency by more batching and hindering the
adjacency cache prefetcher
- af_packet: make packet_fanout.arr size configurable up to 64K
- tcp: optimize TCP zero copy receive in presence of partial or
unaligned reads making zero copy a performance win for much smaller
messages
- XDP: add bulk APIs for returning / freeing frames
- sched: support fragmenting IP packets as they come out of conntrack
- net: allow virtual netdevs to forward UDP L4 and fraglist GSO skbs
BPF:
- BPF switch from crude rlimit-based to memcg-based memory accounting
- BPF type format information for kernel modules and related tracing
enhancements
- BPF implement task local storage for BPF LSM
- allow the FENTRY/FEXIT/RAW_TP tracing programs to use
bpf_sk_storage
Protocols:
- mptcp: improve multiple xmit streams support, memory accounting and
many smaller improvements
- TLS: support CHACHA20-POLY1305 cipher
- seg6: add support for SRv6 End.DT4/DT6 behavior
- sctp: Implement RFC 6951: UDP Encapsulation of SCTP
- ppp_generic: add ability to bridge channels directly
- bridge: Connectivity Fault Management (CFM) support as is defined
in IEEE 802.1Q section 12.14.
Drivers:
- mlx5: make use of the new auxiliary bus to organize the driver
internals
- mlx5: more accurate port TX timestamping support
- mlxsw:
- improve the efficiency of offloaded next hop updates by using
the new nexthop object API
- support blackhole nexthops
- support IEEE 802.1ad (Q-in-Q) bridging
- rtw88: major bluetooth co-existance improvements
- iwlwifi: support new 6 GHz frequency band
- ath11k: Fast Initial Link Setup (FILS)
- mt7915: dual band concurrent (DBDC) support
- net: ipa: add basic support for IPA v4.5
Refactor:
- a few pieces of in_interrupt() cleanup work from Sebastian Andrzej
Siewior
- phy: add support for shared interrupts; get rid of multiple driver
APIs and have the drivers write a full IRQ handler, slight growth
of driver code should be compensated by the simpler API which also
allows shared IRQs
- add common code for handling netdev per-cpu counters
- move TX packet re-allocation from Ethernet switch tag drivers to a
central place
- improve efficiency and rename nla_strlcpy
- number of W=1 warning cleanups as we now catch those in a patchwork
build bot
Old code removal:
- wan: delete the DLCI / SDLA drivers
- wimax: move to staging
- wifi: remove old WDS wifi bridging support"
* tag 'net-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1922 commits)
net: hns3: fix expression that is currently always true
net: fix proc_fs init handling in af_packet and tls
nfc: pn533: convert comma to semicolon
af_vsock: Assign the vsock transport considering the vsock address flags
af_vsock: Set VMADDR_FLAG_TO_HOST flag on the receive path
vsock_addr: Check for supported flag values
vm_sockets: Add VMADDR_FLAG_TO_HOST vsock flag
vm_sockets: Add flags field in the vsock address data structure
net: Disable NETIF_F_HW_TLS_TX when HW_CSUM is disabled
tcp: Add logic to check for SYN w/ data in tcp_simple_retransmit
net: mscc: ocelot: install MAC addresses in .ndo_set_rx_mode from process context
nfc: s3fwrn5: Release the nfc firmware
net: vxget: clean up sparse warnings
mlxsw: spectrum_router: Use eXtended mezzanine to offload IPv4 router
mlxsw: spectrum: Set KVH XLT cache mode for Spectrum2/3
mlxsw: spectrum_router_xm: Introduce basic XM cache flushing
mlxsw: reg: Add Router LPM Cache Enable Register
mlxsw: reg: Add Router LPM Cache ML Delete Register
mlxsw: spectrum_router_xm: Implement L-value tracking for M-index
mlxsw: reg: Add XM Router M Table Register
...
* pm-cpuidle:
cpuidle: Select polling interval based on a c-state with a longer target residency
cpuidle: psci: Enable suspend-to-idle for PSCI OSI mode
PM: domains: Enable dev_pm_genpd_suspend|resume() for suspend-to-idle
PM: domains: Rename pm_genpd_syscore_poweroff|poweron()
* pm-em:
PM / EM: Micro optimization in em_cpu_energy
PM: EM: Update Energy Model with new flag indicating power scale
PM: EM: update the comments related to power scale
PM: EM: Clarify abstract scale usage for power values in Energy Model
I wanted to look up something and noticed the hyperlink doesn't work.
While fixing that also noticed a trivial kerneldoc comment typo in the
same section, fix that too.
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201204200242.2671481-1-daniel.vetter@ffwll.ch
- Consolidate all kmap_atomic() internals into a generic implementation
which builds the base for the kmap_local() API and make the
kmap_atomic() interface wrappers which handle the disabling/enabling of
preemption and pagefaults.
- Switch the storage from per-CPU to per task and provide scheduler
support for clearing mapping when scheduling out and restoring them
when scheduling back in.
- Merge the migrate_disable/enable() code, which is also part of the
scheduler pull request. This was required to make the kmap_local()
interface available which does not disable preemption when a mapping
is established. It has to disable migration instead to guarantee that
the virtual address of the mapped slot is the same accross preemption.
- Provide better debug facilities: guard pages and enforced utilization
of the mapping mechanics on 64bit systems when the architecture allows
it.
- Provide the new kmap_local() API which can now be used to cleanup the
kmap_atomic() usage sites all over the place. Most of the usage sites
do not require the implicit disabling of preemption and pagefaults so
the penalty on 64bit and 32bit non-highmem systems is removed and quite
some of the code can be simplified. A wholesale conversion is not
possible because some usage depends on the implicit side effects and
some need to be cleaned up because they work around these side effects.
The migrate disable side effect is only effective on highmem systems
and when enforced debugging is enabled. On 64bit and 32bit non-highmem
systems the overhead is completely avoided.
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Merge tag 'core-mm-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull kmap updates from Thomas Gleixner:
"The new preemtible kmap_local() implementation:
- Consolidate all kmap_atomic() internals into a generic
implementation which builds the base for the kmap_local() API and
make the kmap_atomic() interface wrappers which handle the
disabling/enabling of preemption and pagefaults.
- Switch the storage from per-CPU to per task and provide scheduler
support for clearing mapping when scheduling out and restoring them
when scheduling back in.
- Merge the migrate_disable/enable() code, which is also part of the
scheduler pull request. This was required to make the kmap_local()
interface available which does not disable preemption when a
mapping is established. It has to disable migration instead to
guarantee that the virtual address of the mapped slot is the same
across preemption.
- Provide better debug facilities: guard pages and enforced
utilization of the mapping mechanics on 64bit systems when the
architecture allows it.
- Provide the new kmap_local() API which can now be used to cleanup
the kmap_atomic() usage sites all over the place. Most of the usage
sites do not require the implicit disabling of preemption and
pagefaults so the penalty on 64bit and 32bit non-highmem systems is
removed and quite some of the code can be simplified. A wholesale
conversion is not possible because some usage depends on the
implicit side effects and some need to be cleaned up because they
work around these side effects.
The migrate disable side effect is only effective on highmem
systems and when enforced debugging is enabled. On 64bit and 32bit
non-highmem systems the overhead is completely avoided"
* tag 'core-mm-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
ARM: highmem: Fix cache_is_vivt() reference
x86/crashdump/32: Simplify copy_oldmem_page()
io-mapping: Provide iomap_local variant
mm/highmem: Provide kmap_local*
sched: highmem: Store local kmaps in task struct
x86: Support kmap_local() forced debugging
mm/highmem: Provide CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP
mm/highmem: Provide and use CONFIG_DEBUG_KMAP_LOCAL
microblaze/mm/highmem: Add dropped #ifdef back
xtensa/mm/highmem: Make generic kmap_atomic() work correctly
mm/highmem: Take kmap_high_get() properly into account
highmem: High implementation details and document API
Documentation/io-mapping: Remove outdated blurb
io-mapping: Cleanup atomic iomap
mm/highmem: Remove the old kmap_atomic cruft
highmem: Get rid of kmap_types.h
xtensa/mm/highmem: Switch to generic kmap atomic
sparc/mm/highmem: Switch to generic kmap atomic
powerpc/mm/highmem: Switch to generic kmap atomic
nds32/mm/highmem: Switch to generic kmap atomic
...
of the churn behind us. Significant stuff in this pull includes:
- A set of new Chinese translations
- Italian translation updates
- A mechanism from Mauro to automatically format Documentation/features
for the built docs
- Automatic cross references without explicit :ref: markup
- A new reset-controller document
- An extensive new document on reporting problems from Thorsten
That last patch also adds the CC-BY-4.0 license to LICENSES/dual; there was
some discussion on this, but we seem to have consensus and an ack from Greg
for that addition.
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Merge tag 'docs-5.11' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"A much quieter cycle for documentation (happily), with, one hopes, the
bulk of the churn behind us. Significant stuff in this pull includes:
- A set of new Chinese translations
- Italian translation updates
- A mechanism from Mauro to automatically format
Documentation/features for the built docs
- Automatic cross references without explicit :ref: markup
- A new reset-controller document
- An extensive new document on reporting problems from Thorsten
That last patch also adds the CC-BY-4.0 license to LICENSES/dual;
there was some discussion on this, but we seem to have consensus and
an ack from Greg for that addition"
* tag 'docs-5.11' of git://git.lwn.net/linux: (50 commits)
docs: fix broken cross reference in translations/zh_CN
docs: Note that sphinx 1.7 will be required soon
docs: update requirements to install six module
docs: reporting-issues: move 'outdated, need help' note to proper place
docs: Update documentation to reflect what TAINT_CPU_OUT_OF_SPEC means
docs: add a reset controller chapter to the driver API docs
docs: make reporting-bugs.rst obsolete
docs: Add a new text describing how to report bugs
LICENSES: Add the CC-BY-4.0 license
Documentation: fix multiple typos found in the admin-guide subdirectory
Documentation: fix typos found in admin-guide subdirectory
kernel-doc: Fix example in Nested structs/unions
docs: clean up sysctl/kernel: titles, version
docs: trace: fix event state structure name
docs: nios2: add missing ReST file
scripts: get_feat.pl: reduce table width for all features output
scripts: get_feat.pl: change the group by order
scripts: get_feat.pl: make complete table more coincise
scripts: kernel-doc: fix parsing function-like typedefs
Documentation: fix typos found in process, dev-tools, and doc-guide subdirectories
...
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Merge tag 'media/v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- some rework at the uAPI pixel format docs
- the smiapp driver has started to gain support for MIPI CSS camera
sensors and was renamed
- two new sensor drivers: ov02a10 and ov9734
- Meson gained a driver for the 2D acceleration unit
- Rockchip rkisp1 driver was promoted from staging
- Cedrus driver gained support for VP8
- two new remote controller keymaps were added
- the usual set of fixes cleanups and driver improvements
* tag 'media/v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (447 commits)
media: ccs: Add support for obtaining C-PHY configuration from firmware
media: ccs-pll: Print pixel rates
media: ccs: Print written register values
media: ccs: Add support for DDR OP SYS and OP PIX clocks
media: ccs-pll: Add support for DDR OP system and pixel clocks
media: ccs: Dual PLL support
media: ccs-pll: Add trivial dual PLL support
media: ccs-pll: Separate VT divisor limit calculation from the rest
media: ccs-pll: Fix VT post-PLL divisor calculation
media: ccs-pll: Make VT divisors 16-bit
media: ccs-pll: Rework bounds checks
media: ccs-pll: Print relevant information on PLL tree
media: ccs-pll: Better separate OP and VT sub-tree calculation
media: ccs-pll: Check for derating and overrating, support non-derating sensors
media: ccs-pll: Split off VT subtree calculation
media: ccs-pll: Add C-PHY support
media: ccs-pll: Add sanity checks
media: ccs-pll: Add support flexible OP PLL pixel clock divider
media: ccs-pll: Support two cycles per pixel on OP domain
media: ccs-pll: Add support for extended input PLL clock divider
...
core:
- documentation updates
- deprecate DRM_FORMAT_MOD_NONE
- atomic crtc enable/disable rework
- GEM convert drivers to gem object functions
- remove SCATTER_LIST_MAX_SEGMENT
sched:
- avoid infinite waits
ttm:
- remove AGP support
- don't modify caching for swapout
- ttm pinning rework
- major TTM reworks
- new backend allocator
- multihop support
vram-helper:
- top down BO placement fix
- TTM changes
- GEM object support
displayport:
- DP 2.0 DPCD prep work
- DP MST extended DPCD caps
fbdev:
- mark as orphaned
amdgpu:
- Initial Vangogh support
- Green Sardine support
- Dimgrey Cavefish support
- SG display support for renoir
- SMU7 improvements
- gfx9+ modiifier support
- CI BACO fixes
radeon:
- expose voltage via hwmon on SUMO
amdkfd:
- fix unique id handling
i915:
- more DG1 enablement
- bigjoiner support
- integer scaling filter support
- async flip support
- ICL+ DSI command mode
- Improve display shutdown
- Display refactoring
- eLLC machine fbdev loading fix
- dma scatterlist fixes
- TGL hang fixes
- eLLC display buffer caching on SKL+
- MOCS PTE seeting for gen9+
msm:
- Shutdown hook
- GPU cooling device support
- DSI 7nm and 10nm phy/pll updates
- sm8150/sm2850 DPU support
- GEM locking re-work
- LLCC system cache support
aspeed:
- sysfs output config support
ast:
- LUT fix
- new display mode
gma500:
- remove 2d framebuffer accel
panfrost:
- move gpu reset to a worker
exynos:
- new HDMI mode support
mediatek:
- MT8167 support
- yaml bindings
- MIPI DSI phy code moved
etnaviv:
- new perf counter
- more lockdep annotation
hibmc:
- i2c DDC support
ingenic:
- pixel clock reset fix
- reserved memory support
- allow both DMA channels at once
- different pixel format support
- 30/24/8-bit palette modes
tilcdc:
- don't keep vblank irq enabled
vc4:
- new maintainer added
- DSI registration fix
virtio:
- blob resource support
- host visible and cross-device support
- uuid api support
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Merge tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Not a huge amount of big things here, AMD has support for a few new HW
variants (vangogh, green sardine, dimgrey cavefish), Intel has some
more DG1 enablement. We have a few big reworks of the TTM layers and
interfaces, GEM and atomic internal API reworks cross tree. fbdev is
marked orphaned in here as well to reflect the current reality.
core:
- documentation updates
- deprecate DRM_FORMAT_MOD_NONE
- atomic crtc enable/disable rework
- GEM convert drivers to gem object functions
- remove SCATTER_LIST_MAX_SEGMENT
sched:
- avoid infinite waits
ttm:
- remove AGP support
- don't modify caching for swapout
- ttm pinning rework
- major TTM reworks
- new backend allocator
- multihop support
vram-helper:
- top down BO placement fix
- TTM changes
- GEM object support
displayport:
- DP 2.0 DPCD prep work
- DP MST extended DPCD caps
fbdev:
- mark as orphaned
amdgpu:
- Initial Vangogh support
- Green Sardine support
- Dimgrey Cavefish support
- SG display support for renoir
- SMU7 improvements
- gfx9+ modiifier support
- CI BACO fixes
radeon:
- expose voltage via hwmon on SUMO
amdkfd:
- fix unique id handling
i915:
- more DG1 enablement
- bigjoiner support
- integer scaling filter support
- async flip support
- ICL+ DSI command mode
- Improve display shutdown
- Display refactoring
- eLLC machine fbdev loading fix
- dma scatterlist fixes
- TGL hang fixes
- eLLC display buffer caching on SKL+
- MOCS PTE seeting for gen9+
msm:
- Shutdown hook
- GPU cooling device support
- DSI 7nm and 10nm phy/pll updates
- sm8150/sm2850 DPU support
- GEM locking re-work
- LLCC system cache support
aspeed:
- sysfs output config support
ast:
- LUT fix
- new display mode
gma500:
- remove 2d framebuffer accel
panfrost:
- move gpu reset to a worker
exynos:
- new HDMI mode support
mediatek:
- MT8167 support
- yaml bindings
- MIPI DSI phy code moved
etnaviv:
- new perf counter
- more lockdep annotation
hibmc:
- i2c DDC support
ingenic:
- pixel clock reset fix
- reserved memory support
- allow both DMA channels at once
- different pixel format support
- 30/24/8-bit palette modes
tilcdc:
- don't keep vblank irq enabled
vc4:
- new maintainer added
- DSI registration fix
virtio:
- blob resource support
- host visible and cross-device support
- uuid api support"
* tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm: (1754 commits)
drm/amdgpu: Initialise drm_gem_object_funcs for imported BOs
drm/amdgpu: fix size calculation with stolen vga memory
drm/amdgpu: remove amdgpu_ttm_late_init and amdgpu_bo_late_init
drm/amdgpu: free the pre-OS console framebuffer after the first modeset
drm/amdgpu: enable runtime pm using BACO on CI dGPUs
drm/amdgpu/cik: enable BACO reset on Bonaire
drm/amd/pm: update smu10.h WORKLOAD_PPLIB setting for raven
drm/amd/pm: remove one unsupported smu function for vangogh
drm/amd/display: setup system context for APUs
drm/amd/display: add S/G support for Vangogh
drm/amdkfd: Fix leak in dmabuf import
drm/amdgpu: use AMDGPU_NUM_VMID when possible
drm/amdgpu: fix sdma instance fw version and feature version init
drm/amd/pm: update driver if version for dimgrey_cavefish
drm/amd/display: 3.2.115
drm/amd/display: [FW Promotion] Release 0.0.45
drm/amd/display: Revert DCN2.1 dram_clock_change_latency update
drm/amd/display: Enable gpu_vm_support for dcn3.01
drm/amd/display: Fixed the audio noise during mode switching with HDCP mode on
drm/amd/display: Add wm table for Renoir
...
Client drivers should use the dmaengine_get_dma_device(chan) to get the
device pointer which should be used for DMA API for allocations and
mapping.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20201208090440.31792-10-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Moving files around produced the following warnings:
Error: Cannot open file drivers/mtd/nand/raw/nand_ecc.c
Error: Cannot open file drivers/mtd/nand/raw/nand_ecc.c
Fix one by just dropping the reference because it is not relevant, the
other by using a better noun instead of a file name.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201113123831.32429-1-miquel.raynal@bootlin.com
Add initial reset controller API documentation. This is mostly intended
to describe the concepts to users of the consumer API, and to tie the
kerneldoc comments we already have into the driver API documentation.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Amjad Ouled-Ameur <aouledameur@baylibre.fr>
Link: https://lore.kernel.org/r/20201201115754.1713-1-p.zabel@pengutronix.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The "Interacting With the Legacy GPIO Subsystem" of the documentation
was unclear at best, and even included a sentence that seems to say the
opposite of what it should say about the lifetime of the return value of
the conversion functions.
Try to clarify things a bit and hopefully make that section more
readable.
Reported-by: Andy Shevchenko <andy.shevchenko@gmail.com>
BugLink: https://stackoverflow.com/q/64455505/2511795
Signed-off-by: Alexandre Courbot <gnurou@gmail.com>
Link: https://lore.kernel.org/r/20201122092548.61979-1-gnurou@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This is a signed tag for other subsystems to be able to pull in the
auxiliary bus support into their trees for the 5.11-rc1 merge.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'auxbus-5.11-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into mlx5-next
Auxiliary Bus support tag for 5.11-rc1
This is a signed tag for other subsystems to be able to pull in the
auxiliary bus support into their trees for the 5.11-rc1 merge.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* tag 'auxbus-5.11-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: auxiliary bus: minor coding style tweaks
driver core: auxiliary bus: make remove function return void
driver core: auxiliary bus: move slab.h from include file
Add auxiliary bus support
There's an effort to move the remove() callback in the driver core to
not return an int, as nothing can be done if this function fails. To
make that effort easier, make the aux bus remove function void to start
with so that no users have to be changed sometime in the future.
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Ertman <david.m.ertman@intel.com>
Cc: Fred Oh <fred.oh@linux.intel.com>
Cc: Kiran Patil <kiran.patil@intel.com>
Cc: Leon Romanovsky <leonro@nvidia.com>
Cc: Martin Habets <mhabets@solarflare.com>
Cc: Parav Pandit <parav@mellanox.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Cc: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/X8ohB1ks1NK7kPop@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for the Auxiliary Bus, auxiliary_device and auxiliary_driver.
It enables drivers to create an auxiliary_device and bind an
auxiliary_driver to it.
The bus supports probe/remove shutdown and suspend/resume callbacks.
Each auxiliary_device has a unique string based id; driver binds to
an auxiliary_device based on this id through the bus.
Co-developed-by: Kiran Patil <kiran.patil@intel.com>
Co-developed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Co-developed-by: Fred Oh <fred.oh@linux.intel.com>
Co-developed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Kiran Patil <kiran.patil@intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Fred Oh <fred.oh@linux.intel.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Shiraz Saleem <shiraz.saleem@intel.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Martin Habets <mhabets@solarflare.com>
Link: https://lore.kernel.org/r/20201113161859.1775473-2-david.m.ertman@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/160695681289.505290.8978295443574440604.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Move the SPDX tag to the top, placing the copyright notice after that.
This aligns the file with existing practices.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
As documentation used to be in .txt files before converting to ReST,
rename ccs-regs.txt to avoid it being taken as documentation that
pre-dates ReST conversion and so target for further conversion to ReST.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Now that normal input devices support polling mode, and all users of
input_polled_dev API have been converted, we can remove it.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Document the MIPI CCS driver and the C register definition generator.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add register definitions of the MIPI CCS 1.1 standard.
The CCS driver makes extended use of device's capability registers that
are dependent on CCS version. This involves having an in-memory data
structure for limit and capability information, creating that data
structure and accessing it.
The register definitions as well as the definitions of this data structure
are generated from a text file using a Perl script. Add the generator
script to make it easy to update the generated files.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Merge tag 'v5.10-rc6' into patchwork
Linux 5.10-rc6
* tag 'v5.10-rc6': (1815 commits)
Linux 5.10-rc6
sock: set sk_err to ee_errno on dequeue from errq
mptcp: fix NULL ptr dereference on bad MPJ
net: openvswitch: fix TTL decrement action netlink message format
perf probe: Change function definition check due to broken DWARF
perf probe: Fix to die_entrypc() returns error correctly
perf stat: Use proper cpu for shadow stats
perf record: Synthesize cgroup events only if needed
perf diff: Fix error return value in __cmd_diff()
perf tools: Update copy of libbpf's hashmap.c
x86/mce: Do not overwrite no_way_out if mce_end() fails
kvm: x86/mmu: Fix get_mmio_spte() on CPUs supporting 5-level PT
KVM: x86: Fix split-irqchip vs interrupt injection window request
KVM: x86: handle !lapic_in_kernel case in kvm_cpu_*_extint
usb: typec: stusb160x: fix power-opmode property with typec-power-opmode
printk: finalize records with trailing newlines
can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0
can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
...
Drop the doubled word "errors".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Drop the doubled word "device".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Drop the doubled words "type" and "the".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Drop the doubled word "the".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Implement an Event Information Table (EIT) as per EN 300 468
5.2.4.
The EIT provides information in chronological order regarding
the events contained within each service.
For now only present event information is supported.
[mchehab+huawei@kernel.org: removed an extra blank line]
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add a Network Information Table (NIT) as specified in ETSI EN 300 468.
This table conveys information relating to the physical organization of
the multiplexes carried via a given network and the characteristics of
the network itself.
It is conveyed in the output of vidtv as packets with TS PID of 0x0010
[mchehab+huawei@kernel.org: removed an extra blank line]
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Similar to kmap local provide a iomap local variant which only disables
migration, but neither disables pagefaults nor preemption.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20201118204007.561220818@linutronix.de
rtc_register_device() is a managed interface but it doesn't use devres
by itself - instead it marks an rtc_device as "registered" and the devres
callback for devm_rtc_allocate_device() takes care of resource release.
This doesn't correspond with the design behind devres where managed
structures should not be aware of being managed. The correct solution
here is to register a separate devres callback for unregistering the
device.
While at it: rename rtc_register_device() to devm_rtc_register_device()
and add it to the list of managed interfaces in devres.rst. This way we
can avoid any potential confusion of driver developers who may expect
there to exist a corresponding unregister function.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201109163409.24301-8-brgl@bgdev.pl
rtc_nvmem_register() is a managed interface. It doesn't require any
release function to be called at driver detach. To avoid confusing
driver authors, let's rename it to devm_rtc_nvmem_register() and add it
to the list of managed interfaces in Documentation/.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201109163409.24301-6-brgl@bgdev.pl
Raw camera sensors connected to parallel or CSI-2 busses need to implement
V4L2_CID_LINK_FREQ control so receiver drivers can configure the hardware
accordingly.
Document this. Also say V4L2_CID_PIXEL_RATE is recommended for such
hardware.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Remove extra "is" from sentence explaining V4L2_CID_PIXEL_RATE may be used
to tell the pixel rate used by a transmitter driver. Also call
V4L2_CID_PIXEL_RATE a control.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
cec-core.rst was missing 'are', and cec-ioc-g-mode.rst was missing
a comma.
In both cases this made the description of the Monitor All functionality
hard to read.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Currently, all diagrams below "Before this framework, the layer is like"
and the text in between are rendered as one monospace text block.
Instead, each individual diagram should be a monospace text block.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20201107183902.1182809-1-j.neuschaefer@gmx.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Format the shell commands and output in steps 6 and 8 as code blocks,
for consistency with the rest of the document.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20201108151005.1843666-1-j.neuschaefer@gmx.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The Energy Model (EM) can store power values in milli-Watts or in abstract
scale. This might cause issues in the subsystems which use the EM for
estimating the device power, such as:
- mixing of different scales in a subsystem which uses multiple
(cooling) devices (e.g. thermal Intelligent Power Allocation (IPA))
- assuming that energy [milli-Joules] can be derived from the EM power
values which might not be possible since the power scale doesn't have
to be in milli-Watts
To avoid misconfiguration add the requisite documentation to the EM and
related subsystems: EAS and IPA.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The implementation details in the documentation are outdated and not really
helpful. Remove them.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/r/20201103095858.734064977@linutronix.de
We actually handle the gpio_irq_chip set-up properly
now despite what the comment says. Also assign this
pointer along with the rest of the gpio_irq_chip
setup code.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20201019134429.65563-1-linus.walleij@linaro.org
Now that all gpiolib irqchip users have been over to use
the irqchip template, we can finally retire the old code
path and leave just one way in to the irqchip: set up the
template when registering the gpio_chip. For a while
we had two code paths for this which was a bit confusing.
This brings this work to a conclusion, there is now one
way of doing this.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Link: https://lore.kernel.org/r/20201019134046.65101-1-linus.walleij@linaro.org
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Merge tag 'docs-5.10-2' of git://git.lwn.net/linux
Pull documentation fixes from Jonathan Corbet:
"A handful of late-arriving documentation fixes"
* tag 'docs-5.10-2' of git://git.lwn.net/linux:
docs: Add two missing entries in vm sysctl index
docs/vm: trivial fixes to several spelling mistakes
docs: submitting-patches: describe preserving review/test tags
Documentation: Chinese translation of Documentation/arm64/hugetlbpage.rst
Documentation: x86: fix a missing word in x86_64/mm.rst.
docs: driver-api: remove a duplicated index entry
docs: lkdtm: Modernize and improve details
docs: deprecated.rst: Expand str*cpy() replacement notes
docs/cpu-load: format the example code.
The ipmb file was added twice at index.rst. That
sounds to be because the same patch was applied twice,
via different git trees:
commit f6ae22d644
Author: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Commit: Jonathan Corbet <corbet@lwn.net>
docs: ipmb: place it at driver-api and convert to ReST
commit ac499fba98
Author: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Commit: Corey Minyard <cminyard@mvista.com>
docs: ipmb: place it at driver-api and convert to ReST
With Sphinx 4.0.0 development tree, a new warning is produced
due to that:
.../Documentation/driver-api/index.rst:14: WARNING: duplicated entry found in toctree: driver-api/ipmb
The fix is trivial: just drop the duplicated line.
Fixes: f6ae22d644 ("docs: ipmb: place it at driver-api and convert to ReST")
Fixes: ac499fba98 ("docs: ipmb: place it at driver-api and convert to ReST")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/623fb26a8409a7b002e45bdbb6f517ac08fd508a.1602753121.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Merge tag 'docs/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull documentation updates from Mauro Carvalho Chehab:
"A series of patches addressing warnings produced by make htmldocs.
This includes:
- kernel-doc markup fixes
- ReST fixes
- Updates at the build system in order to support newer versions of
the docs build toolchain (Sphinx)
After this series, the number of html build warnings should reduce
significantly, and building with Sphinx 3.1 or later should now be
supported (although it is still recommended to use Sphinx 2.4.4).
As agreed with Jon, I should be sending you a late pull request by the
end of the merge window addressing remaining issues with docs build,
as there are a number of warning fixes that depends on pull requests
that should be happening along the merge window.
The end goal is to have a clean htmldocs build on Kernel 5.10.
PS. It should be noticed that Sphinx 3.0 is not currently supported,
as it lacks support for C domain namespaces. Such feature, needed in
order to document uAPI system calls with Sphinx 3.x, was added only on
Sphinx 3.1"
* tag 'docs/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (75 commits)
PM / devfreq: remove a duplicated kernel-doc markup
mm/doc: fix a literal block markup
workqueue: fix a kernel-doc warning
docs: virt: user_mode_linux_howto_v2.rst: fix a literal block markup
Input: sparse-keymap: add a description for @sw
rcu/tree: docs: document bkvcache new members at struct kfree_rcu_cpu
nl80211: docs: add a description for s1g_cap parameter
usb: docs: document altmode register/unregister functions
kunit: test.h: fix a bad kernel-doc markup
drivers: core: fix kernel-doc markup for dev_err_probe()
docs: bio: fix a kerneldoc markup
kunit: test.h: solve kernel-doc warnings
block: bio: fix a warning at the kernel-doc markups
docs: powerpc: syscall64-abi.rst: fix a malformed table
drivers: net: hamradio: fix document location
net: appletalk: Kconfig: Fix docs location
dt-bindings: fix references to files converted to yaml
memblock: get rid of a :c:type leftover
math64.h: kernel-docs: Convert some markups into normal comments
media: uAPI: buffer.rst: remove a left-over documentation
...
Add redirect_neigh() BPF packet redirect helper, allowing to limit stack
traversal in common container configs and improving TCP back-pressure.
Daniel reports ~10Gbps => ~15Gbps single stream TCP performance gain.
Expand netlink policy support and improve policy export to user space.
(Ge)netlink core performs request validation according to declared
policies. Expand the expressiveness of those policies (min/max length
and bitmasks). Allow dumping policies for particular commands.
This is used for feature discovery by user space (instead of kernel
version parsing or trial and error).
Support IGMPv3/MLDv2 multicast listener discovery protocols in bridge.
Allow more than 255 IPv4 multicast interfaces.
Add support for Type of Service (ToS) reflection in SYN/SYN-ACK
packets of TCPv6.
In Multi-patch TCP (MPTCP) support concurrent transmission of data
on multiple subflows in a load balancing scenario. Enhance advertising
addresses via the RM_ADDR/ADD_ADDR options.
Support SMC-Dv2 version of SMC, which enables multi-subnet deployments.
Allow more calls to same peer in RxRPC.
Support two new Controller Area Network (CAN) protocols -
CAN-FD and ISO 15765-2:2016.
Add xfrm/IPsec compat layer, solving the 32bit user space on 64bit
kernel problem.
Add TC actions for implementing MPLS L2 VPNs.
Improve nexthop code - e.g. handle various corner cases when nexthop
objects are removed from groups better, skip unnecessary notifications
and make it easier to offload nexthops into HW by converting
to a blocking notifier.
Support adding and consuming TCP header options by BPF programs,
opening the doors for easy experimental and deployment-specific
TCP option use.
Reorganize TCP congestion control (CC) initialization to simplify life
of TCP CC implemented in BPF.
Add support for shipping BPF programs with the kernel and loading them
early on boot via the User Mode Driver mechanism, hence reusing all the
user space infra we have.
Support sleepable BPF programs, initially targeting LSM and tracing.
Add bpf_d_path() helper for returning full path for given 'struct path'.
Make bpf_tail_call compatible with bpf-to-bpf calls.
Allow BPF programs to call map_update_elem on sockmaps.
Add BPF Type Format (BTF) support for type and enum discovery, as
well as support for using BTF within the kernel itself (current use
is for pretty printing structures).
Support listing and getting information about bpf_links via the bpf
syscall.
Enhance kernel interfaces around NIC firmware update. Allow specifying
overwrite mask to control if settings etc. are reset during update;
report expected max time operation may take to users; support firmware
activation without machine reboot incl. limits of how much impact
reset may have (e.g. dropping link or not).
Extend ethtool configuration interface to report IEEE-standard
counters, to limit the need for per-vendor logic in user space.
Adopt or extend devlink use for debug, monitoring, fw update
in many drivers (dsa loop, ice, ionic, sja1105, qed, mlxsw,
mv88e6xxx, dpaa2-eth).
In mlxsw expose critical and emergency SFP module temperature alarms.
Refactor port buffer handling to make the defaults more suitable and
support setting these values explicitly via the DCBNL interface.
Add XDP support for Intel's igb driver.
Support offloading TC flower classification and filtering rules to
mscc_ocelot switches.
Add PTP support for Marvell Octeontx2 and PP2.2 hardware, as well as
fixed interval period pulse generator and one-step timestamping in
dpaa-eth.
Add support for various auth offloads in WiFi APs, e.g. SAE (WPA3)
offload.
Add Lynx PHY/PCS MDIO module, and convert various drivers which have
this HW to use it. Convert mvpp2 to split PCS.
Support Marvell Prestera 98DX3255 24-port switch ASICs, as well as
7-port Mediatek MT7531 IP.
Add initial support for QCA6390 and IPQ6018 in ath11k WiFi driver,
and wcn3680 support in wcn36xx.
Improve performance for packets which don't require much offloads
on recent Mellanox NICs by 20% by making multiple packets share
a descriptor entry.
Move chelsio inline crypto drivers (for TLS and IPsec) from the crypto
subtree to drivers/net. Move MDIO drivers out of the phy directory.
Clean up a lot of W=1 warnings, reportedly the actively developed
subsections of networking drivers should now build W=1 warning free.
Make sure drivers don't use in_interrupt() to dynamically adapt their
code. Convert tasklets to use new tasklet_setup API (sadly this
conversion is not yet complete).
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
- Add redirect_neigh() BPF packet redirect helper, allowing to limit
stack traversal in common container configs and improving TCP
back-pressure.
Daniel reports ~10Gbps => ~15Gbps single stream TCP performance gain.
- Expand netlink policy support and improve policy export to user
space. (Ge)netlink core performs request validation according to
declared policies. Expand the expressiveness of those policies
(min/max length and bitmasks). Allow dumping policies for particular
commands. This is used for feature discovery by user space (instead
of kernel version parsing or trial and error).
- Support IGMPv3/MLDv2 multicast listener discovery protocols in
bridge.
- Allow more than 255 IPv4 multicast interfaces.
- Add support for Type of Service (ToS) reflection in SYN/SYN-ACK
packets of TCPv6.
- In Multi-patch TCP (MPTCP) support concurrent transmission of data on
multiple subflows in a load balancing scenario. Enhance advertising
addresses via the RM_ADDR/ADD_ADDR options.
- Support SMC-Dv2 version of SMC, which enables multi-subnet
deployments.
- Allow more calls to same peer in RxRPC.
- Support two new Controller Area Network (CAN) protocols - CAN-FD and
ISO 15765-2:2016.
- Add xfrm/IPsec compat layer, solving the 32bit user space on 64bit
kernel problem.
- Add TC actions for implementing MPLS L2 VPNs.
- Improve nexthop code - e.g. handle various corner cases when nexthop
objects are removed from groups better, skip unnecessary
notifications and make it easier to offload nexthops into HW by
converting to a blocking notifier.
- Support adding and consuming TCP header options by BPF programs,
opening the doors for easy experimental and deployment-specific TCP
option use.
- Reorganize TCP congestion control (CC) initialization to simplify
life of TCP CC implemented in BPF.
- Add support for shipping BPF programs with the kernel and loading
them early on boot via the User Mode Driver mechanism, hence reusing
all the user space infra we have.
- Support sleepable BPF programs, initially targeting LSM and tracing.
- Add bpf_d_path() helper for returning full path for given 'struct
path'.
- Make bpf_tail_call compatible with bpf-to-bpf calls.
- Allow BPF programs to call map_update_elem on sockmaps.
- Add BPF Type Format (BTF) support for type and enum discovery, as
well as support for using BTF within the kernel itself (current use
is for pretty printing structures).
- Support listing and getting information about bpf_links via the bpf
syscall.
- Enhance kernel interfaces around NIC firmware update. Allow
specifying overwrite mask to control if settings etc. are reset
during update; report expected max time operation may take to users;
support firmware activation without machine reboot incl. limits of
how much impact reset may have (e.g. dropping link or not).
- Extend ethtool configuration interface to report IEEE-standard
counters, to limit the need for per-vendor logic in user space.
- Adopt or extend devlink use for debug, monitoring, fw update in many
drivers (dsa loop, ice, ionic, sja1105, qed, mlxsw, mv88e6xxx,
dpaa2-eth).
- In mlxsw expose critical and emergency SFP module temperature alarms.
Refactor port buffer handling to make the defaults more suitable and
support setting these values explicitly via the DCBNL interface.
- Add XDP support for Intel's igb driver.
- Support offloading TC flower classification and filtering rules to
mscc_ocelot switches.
- Add PTP support for Marvell Octeontx2 and PP2.2 hardware, as well as
fixed interval period pulse generator and one-step timestamping in
dpaa-eth.
- Add support for various auth offloads in WiFi APs, e.g. SAE (WPA3)
offload.
- Add Lynx PHY/PCS MDIO module, and convert various drivers which have
this HW to use it. Convert mvpp2 to split PCS.
- Support Marvell Prestera 98DX3255 24-port switch ASICs, as well as
7-port Mediatek MT7531 IP.
- Add initial support for QCA6390 and IPQ6018 in ath11k WiFi driver,
and wcn3680 support in wcn36xx.
- Improve performance for packets which don't require much offloads on
recent Mellanox NICs by 20% by making multiple packets share a
descriptor entry.
- Move chelsio inline crypto drivers (for TLS and IPsec) from the
crypto subtree to drivers/net. Move MDIO drivers out of the phy
directory.
- Clean up a lot of W=1 warnings, reportedly the actively developed
subsections of networking drivers should now build W=1 warning free.
- Make sure drivers don't use in_interrupt() to dynamically adapt their
code. Convert tasklets to use new tasklet_setup API (sadly this
conversion is not yet complete).
* tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2583 commits)
Revert "bpfilter: Fix build error with CONFIG_BPFILTER_UMH"
net, sockmap: Don't call bpf_prog_put() on NULL pointer
bpf, selftest: Fix flaky tcp_hdr_options test when adding addr to lo
bpf, sockmap: Add locking annotations to iterator
netfilter: nftables: allow re-computing sctp CRC-32C in 'payload' statements
net: fix pos incrementment in ipv6_route_seq_next
net/smc: fix invalid return code in smcd_new_buf_create()
net/smc: fix valid DMBE buffer sizes
net/smc: fix use-after-free of delayed events
bpfilter: Fix build error with CONFIG_BPFILTER_UMH
cxgb4/ch_ipsec: Replace the module name to ch_ipsec from chcr
net: sched: Fix suspicious RCU usage while accessing tcf_tunnel_info
bpf: Fix register equivalence tracking.
rxrpc: Fix loss of final ack on shutdown
rxrpc: Fix bundle counting for exclusive connections
netfilter: restore NF_INET_NUMHOOKS
ibmveth: Identify ingress large send packets.
ibmveth: Switch order of ibmveth_helper calls.
cxgb4: handle 4-tuple PEDIT to NAT mode translation
selftests: Add VRF route leaking tests
...
New driver:
Cadence MHDP8546 DisplayPort bridge driver
core:
- cross-driver scatterlist cleanups
- devm_drm conversions
- remove drm_dev_init
- devm_drm_dev_alloc conversion
ttm:
- lots of refactoring and cleanups
bridges:
- chained bridge support in more drivers
panel:
- misc new panels
scheduler:
- cleanup priority levels
displayport:
- refactor i915 code into helpers for nouveau
i915:
- split into display and GT trees
- WW locking refactoring in GEM
- execbuf2 extension mechanism
- syncobj timeline support
- GEN 12 HOBL display powersaving
- Rocket Lake display additions
- Disable FBC on Tigerlake
- Tigerlake Type-C + DP improvements
- Hotplug interrupt refactoring
amdgpu:
- Sienna Cichlid updates
- Navy Flounder updates
- DCE6 (SI) support for DC
- Plane rotation enabled
- TMZ state info ioctl
- PCIe DPC recovery support
- DC interrupt handling refactor
- OLED panel fixes
amdkfd:
- add SMI events for thermal throttling
- SMI interface events ioctl update
- process eviction counters
radeon:
- move to dma_ for allocations
- expose sclk via sysfs
msm:
- DSI support for sm8150/sm8250
- per-process GPU pagetable support
- Displayport support
mediatek:
- move HDMI phy driver to PHY
- convert mtk-dpi to bridge API
- disable mt2701 tmds
tegra:
- bridge support
exynos:
- misc cleanups
vc4:
- dual display cleanups
ast:
- cleanups
gma500:
- conversion to GPIOd API
hisilicon:
- misc reworks
ingenic:
- clock handling and format improvements
mcde:
- DSI support
mgag200:
- desktop g200 support
mxsfb:
- i.MX7 + i.MX8M
- alpha plane support
panfrost:
- devfreq support
- amlogic SoC support
ps8640:
- EDID from eDP retrieval
tidss:
- AM65xx YUV workaround
virtio:
- virtio-gpu exported resources
rcar-du:
- R8A7742, R8A774E1 and R8A77961 support
- YUV planar format fixes
- non-visible plane handling
- VSP device reference count fix
- Kconfig fix to avoid displaying disabled options in .config
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Merge tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Not a major amount of change, the i915 trees got split into display
and gt trees to better facilitate higher level review, and there's a
major refactoring of i915 GEM locking to use more core kernel concepts
(like ww-mutexes). msm gets per-process pagetables, older AMD SI cards
get DC support, nouveau got a bump in displayport support with common
code extraction from i915.
Outside of drm this contains a couple of patches for hexint
moduleparams which you've acked, and a virtio common code tree that
you should also get via it's regular path.
New driver:
- Cadence MHDP8546 DisplayPort bridge driver
core:
- cross-driver scatterlist cleanups
- devm_drm conversions
- remove drm_dev_init
- devm_drm_dev_alloc conversion
ttm:
- lots of refactoring and cleanups
bridges:
- chained bridge support in more drivers
panel:
- misc new panels
scheduler:
- cleanup priority levels
displayport:
- refactor i915 code into helpers for nouveau
i915:
- split into display and GT trees
- WW locking refactoring in GEM
- execbuf2 extension mechanism
- syncobj timeline support
- GEN 12 HOBL display powersaving
- Rocket Lake display additions
- Disable FBC on Tigerlake
- Tigerlake Type-C + DP improvements
- Hotplug interrupt refactoring
amdgpu:
- Sienna Cichlid updates
- Navy Flounder updates
- DCE6 (SI) support for DC
- Plane rotation enabled
- TMZ state info ioctl
- PCIe DPC recovery support
- DC interrupt handling refactor
- OLED panel fixes
amdkfd:
- add SMI events for thermal throttling
- SMI interface events ioctl update
- process eviction counters
radeon:
- move to dma_ for allocations
- expose sclk via sysfs
msm:
- DSI support for sm8150/sm8250
- per-process GPU pagetable support
- Displayport support
mediatek:
- move HDMI phy driver to PHY
- convert mtk-dpi to bridge API
- disable mt2701 tmds
tegra:
- bridge support
exynos:
- misc cleanups
vc4:
- dual display cleanups
ast:
- cleanups
gma500:
- conversion to GPIOd API
hisilicon:
- misc reworks
ingenic:
- clock handling and format improvements
mcde:
- DSI support
mgag200:
- desktop g200 support
mxsfb:
- i.MX7 + i.MX8M
- alpha plane support
panfrost:
- devfreq support
- amlogic SoC support
ps8640:
- EDID from eDP retrieval
tidss:
- AM65xx YUV workaround
virtio:
- virtio-gpu exported resources
rcar-du:
- R8A7742, R8A774E1 and R8A77961 support
- YUV planar format fixes
- non-visible plane handling
- VSP device reference count fix
- Kconfig fix to avoid displaying disabled options in .config"
* tag 'drm-next-2020-10-15' of git://anongit.freedesktop.org/drm/drm: (1494 commits)
drm/ingenic: Fix bad revert
drm/amdgpu: Fix invalid number of character '{' in amdgpu_acpi_init
drm/amdgpu: Remove warning for virtual_display
drm/amdgpu: kfd_initialized can be static
drm/amd/pm: setup APU dpm clock table in SMU HW initialization
drm/amdgpu: prevent spurious warning
drm/amdgpu/swsmu: fix ARC build errors
drm/amd/display: Fix OPTC_DATA_FORMAT programming
drm/amd/display: Don't allow pstate if no support in blank
drm/panfrost: increase readl_relaxed_poll_timeout values
MAINTAINERS: Update entry for st7703 driver after the rename
Revert "gpu/drm: ingenic: Add option to mmap GEM buffers cached"
drm/amd/display: HDMI remote sink need mode validation for Linux
drm/amd/display: Change to correct unit on audio rate
drm/amd/display: Avoid set zero in the requested clk
drm/amdgpu: align frag_end to covered address space
drm/amdgpu: fix NULL pointer dereference for Renoir
drm/vmwgfx: fix regression in thp code due to ttm init refactor.
drm/amdgpu/swsmu: add interrupt work handler for smu11 parts
drm/amdgpu/swsmu: add interrupt work function
...
Here is the big set of char, misc, and other assorted driver subsystem
patches for 5.10-rc1.
There's a lot of different things in here, all over the drivers/
directory. Some summaries:
- soundwire driver updates
- habanalabs driver updates
- extcon driver updates
- nitro_enclaves new driver
- fsl-mc driver and core updates
- mhi core and bus updates
- nvmem driver updates
- eeprom driver updates
- binder driver updates and fixes
- vbox minor bugfixes
- fsi driver updates
- w1 driver updates
- coresight driver updates
- interconnect driver updates
- misc driver updates
- other minor driver updates
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char, misc, and other assorted driver subsystem
patches for 5.10-rc1.
There's a lot of different things in here, all over the drivers/
directory. Some summaries:
- soundwire driver updates
- habanalabs driver updates
- extcon driver updates
- nitro_enclaves new driver
- fsl-mc driver and core updates
- mhi core and bus updates
- nvmem driver updates
- eeprom driver updates
- binder driver updates and fixes
- vbox minor bugfixes
- fsi driver updates
- w1 driver updates
- coresight driver updates
- interconnect driver updates
- misc driver updates
- other minor driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (396 commits)
binder: fix UAF when releasing todo list
docs: w1: w1_therm: Fix broken xref, mistakes, clarify text
misc: Kconfig: fix a HISI_HIKEY_USB dependency
LSM: Fix type of id parameter in kernel_post_load_data prototype
misc: Kconfig: add a new dependency for HISI_HIKEY_USB
firmware_loader: fix a kernel-doc markup
w1: w1_therm: make w1_poll_completion static
binder: simplify the return expression of binder_mmap
test_firmware: Test partial read support
firmware: Add request_partial_firmware_into_buf()
firmware: Store opt_flags in fw_priv
fs/kernel_file_read: Add "offset" arg for partial reads
IMA: Add support for file reads without contents
LSM: Add "contents" flag to kernel_read_file hook
module: Call security_kernel_post_load_data()
firmware_loader: Use security_post_load_data()
LSM: Introduce kernel_post_load_data() hook
fs/kernel_read_file: Add file_size output argument
fs/kernel_read_file: Switch buffer size arg to size_t
fs/kernel_read_file: Remove redundant size argument
...
The typec_bus.rst asks for documentation of those two
functions, but they don't exist:
./drivers/usb/typec/bus.c:1: warning: 'typec_altmode_unregister_driver' not found
./drivers/usb/typec/bus.c:1: warning: 'typec_altmode_register_driver' not found
Also, they're not declared on bus.c but, instead, at a header
file (typec_altmode.h).
So, add documentation for both functions at the header and
change the kernel-doc markup under typec_bus.rst to point
to the right place.
While here, also place the documentation for both structs
declared on typec_altmode.h at the rst file.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This is already documented at device_link.rst, causing this
warning, due to a broken cross-reference:
.../Documentation/driver-api/device_link.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/infrastructure'.
Declaration is 'device_link_state'.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
pci_device_id is already documented at pci.rst:
./Documentation/driver-api/basics.rst: WARNING: Duplicate C declaration, also defined in 'PCI/pci'.
Declaration is 'pci_device_id'.
The kstrtol and kstrtoul are already at kernel-api:
./Documentation/driver-api/basics.rst: WARNING: Duplicate C declaration, also defined in 'core-api/kernel-api'.
Declaration is 'kstrtoul'.
./Documentation/driver-api/basics.rst: WARNING: Duplicate C declaration, also defined in 'core-api/kernel-api'.
Declaration is 'kstrtol'.
And the printk is already defined at printk-basics:
./Documentation/driver-api/basics.rst: WARNING: Duplicate C declaration, also defined in 'core-api/printk-basics'.
Declaration is 'printk'.
So, exclude those identifiers from basirs.rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Sphinx 3.x doesn't allow expressions using :c:func markup:
./Documentation/driver-api/mei/mei.rst:41: WARNING: Unparseable C cross-reference: 'close(int fd)'
Invalid C declaration: Expected end of definition. [error at 5]
close(int fd)
-----^
So, convert it into a :c:expr.
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The C domain parser of Sphinx3 expects just function names
for :c:func: markups:
./Documentation/driver-api/pm/devices.rst:413: WARNING: Unparseable C cross-reference: 'device_may_wakeup(dev)'
Invalid C declaration: Expected end of definition. [error at 17]
device_may_wakeup(dev)
-----------------^
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Those are already documented at:
Documentation/driver-api/firmware/request_firmware.rst
Including it twice is causing lots of warnings:
./Documentation/driver-api/infrastructure.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/firmware/request_firmware'.
Declaration is 'request_firmware'.
./Documentation/driver-api/infrastructure.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/firmware/request_firmware'.
Declaration is 'firmware_request_nowarn'.
./Documentation/driver-api/infrastructure.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/firmware/request_firmware'.
Declaration is 'request_firmware_direct'.
./Documentation/driver-api/infrastructure.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/firmware/request_firmware'.
Declaration is 'firmware_request_platform'.
./Documentation/driver-api/infrastructure.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/firmware/request_firmware'.
Declaration is 'firmware_request_cache'.
./Documentation/driver-api/infrastructure.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/firmware/request_firmware'.
Declaration is 'request_firmware_into_buf'.
./Documentation/driver-api/infrastructure.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/firmware/request_firmware'.
Declaration is 'request_firmware_nowait'.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The usage of :c:type: to reference to a struct member is wrong,
as pointed by Sphinx 3:
./Documentation/driver-api/libata.rst:511: WARNING: Unparseable C cross-reference: 'qc->complete_fn'
Invalid C declaration: Expected end of definition. [error at 2]
qc->complete_fn
--^
Instead, let's use :c:expr: for such purpose.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Those macros are not doing the right thing with Sphinx 3,
causing parse errors:
./Documentation/driver-api/fpga/fpga-mgr.rst:104: WARNING: Unparseable C cross-reference: 'fpga_manager->state'
Invalid C declaration: Expected end of definition. [error at 12]
fpga_manager->state
------------^
./Documentation/driver-api/fpga/fpga-programming.rst:18: WARNING: Unparseable C cross-reference: 'fpga_region->info'
Invalid C declaration: Expected end of definition. [error at 11]
fpga_region->info
-----------^
./Documentation/driver-api/fpga/fpga-region.rst:62: WARNING: Unparseable C cross-reference: 'fpga_region->bridge_list'
Invalid C declaration: Expected end of definition. [error at 11]
fpga_region->bridge_list
-----------^
./Documentation/driver-api/fpga/fpga-region.rst:62: WARNING: Unparseable C cross-reference: 'fpga_region->get_bridges'
Invalid C declaration: Expected end of definition. [error at 11]
fpga_region->get_bridges
-----------^
Replace them by :c:expr:, with does what's desired.
Reviewed-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
There's no need to use macros to use :c:type on this file,
as automarkup.py should do this automatically.
Also, this breaks compatibility with Sphinx 3.x, as there,
structs should be declared using .. c:struct.
So, get rid of them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Those are already defined at kernel-api.rst, as part of the
synchronization primitives chapter.
This solves several Sphinx 3 warnings, like:
.../Documentation/driver-api/basics.rst: WARNING: Duplicate C declaration, also defined in 'core-api/kernel-api'.
Declaration is 'rcu_idle_enter'.
.../Documentation/driver-api/basics.rst: WARNING: Duplicate C declaration, also defined in 'core-api/kernel-api'.
Declaration is 'rcu_idle_exit'.
.../Documentation/driver-api/basics.rst: WARNING: Duplicate C declaration, also defined in 'core-api/kernel-api'.
Declaration is 'rcu_is_watching'.
.../Documentation/driver-api/basics.rst: WARNING: Duplicate C declaration, also defined in 'core-api/kernel-api'.
Declaration is 'call_rcu'.
.../Documentation/driver-api/basics.rst: WARNING: Duplicate C declaration, also defined in 'core-api/kernel-api'.
Declaration is 'synchronize_rcu'.
...
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The infrastructure.rst file already includes the external
symbols from drivers/base/core.c.
Duplicating 3 functions there causes namespace collisions:
Documentation/driver-api/device_link.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/infrastructure'.
Declaration is 'device_link_state'.
Documentation/driver-api/device_link.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/infrastructure'.
Declaration is 'device_link_add'.
Documentation/driver-api/device_link.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/infrastructure'.
Declaration is 'device_link_del'.
Documentation/driver-api/device_link.rst: WARNING: Duplicate C declaration, also defined in 'driver-api/infrastructure'.
Declaration is 'device_link_remove'.
So, drop the reference, adding just a mention to the functions
associated with device_link.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This is already included at scsi.rst. So, remove the duplication,
in order to avoid Sphinx warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
As there's already a rst file with workqueue markups, containing
part of them, move the other definitions, in order to avoid
warnings with Sphinx.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The sound API is documented on two different parts:
under Documentation/driver-api/sound.rst and under
Documentation/sound/kernel-api/alsa-driver-api.rst.
The alsa-driver-api.rst seems more complete, and APIs
are split per type. There's just one missing kernel-doc
markup there.
Add it and drop the duplicated one.
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The :c:type:`foo` only works properly with structs before
Sphinx 3.x.
On Sphinx 3.x, structs should now be declared using the
.. c:struct, and referenced via :c:struct tag.
As we now have the automarkup.py macro, that automatically
convert:
struct foo
into cross-references, let's get rid of that, solving
several warnings when building docs with Sphinx 3.x.
Reviewed-by: André Almeida <andrealmeid@collabora.com> # blk-mq.rst
Reviewed-by: Takashi Iwai <tiwai@suse.de> # sound
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
There are three files with replace macros for structs,
mapping them into Sphinx 2.x C domain references.
Well, this is broken on Sphinx 3.x. Also, for Sphinx 2.x,
the automarkup macro should be able to take care of them.
So, let's just drop those.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The new C domain code on Sphinx 3 doesn't allow anymore
to use c:type:: for structs.
Now that cdomain.py has backward support, let's use
c:struct:: instead.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Here is the "big" set of driver core patches for 5.10-rc1
They include a lot of different things, all related to the driver core
and/or some driver logic:
- sysfs common write functions to make it easier to audit sysfs
attributes
- device connection cleanups and fixes
- devm helpers for a few functions
- NOIO allocations for when devices are being removed
- minor cleanups and fixes
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-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of driver core patches for 5.10-rc1
They include a lot of different things, all related to the driver core
and/or some driver logic:
- sysfs common write functions to make it easier to audit sysfs
attributes
- device connection cleanups and fixes
- devm helpers for a few functions
- NOIO allocations for when devices are being removed
- minor cleanups and fixes
All have been in linux-next for a while with no reported issues"
* tag 'driver-core-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (31 commits)
regmap: debugfs: use semicolons rather than commas to separate statements
platform/x86: intel_pmc_core: do not create a static struct device
drivers core: node: Use a more typical macro definition style for ACCESS_ATTR
drivers core: Use sysfs_emit for shared_cpu_map_show and shared_cpu_list_show
mm: and drivers core: Convert hugetlb_report_node_meminfo to sysfs_emit
drivers core: Miscellaneous changes for sysfs_emit
drivers core: Reindent a couple uses around sysfs_emit
drivers core: Remove strcat uses around sysfs_emit and neaten
drivers core: Use sysfs_emit and sysfs_emit_at for show(device *...) functions
sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
dyndbg: use keyword, arg varnames for query term pairs
driver core: force NOIO allocations during unplug
platform_device: switch to simpler IDA interface
driver core: platform: Document return type of more functions
Revert "driver core: Annotate dev_err_probe() with __must_check"
Revert "test_firmware: Test platform fw loading on non-EFI systems"
iio: adc: xilinx-xadc: use devm_krealloc()
hwmon: pmbus: use more devres helpers
devres: provide devm_krealloc()
syscore: Use pm_pr_dbg() for syscore_{suspend,resume}()
...
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Merge tag 'media/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- the usbvision driver was dropped from staging
- the Zoran driver were re-added at staging. It gained lots of
improvements, and was converted to use videobuf2 API
- a new virtual driver (vidtv) was added in order to allow testing the
digital TV framework and APIs
- the media uAPI documentation gained a glossary with commonly used
terms, helping to simplify some parts of the docs
- more cleanups at the atomisp driver
- Mediatek VPU gained support for MT8183
- added support for codecs with supports doing colorspace conversion
(CSC)
- support for CSC API was added at vivid and rksip1 drivers
- added a helper core support and uAPI for better supporting H.264
codecs
- added support for Renesas R8A774E1
- use the new SPDX GFDL-1.1-no-invariants-or-later license on media
uAPI docs, instead of a license text
- Venus driver has gained VP9 codec support
- lots of other cleanups and driver improvements
* tag 'media/v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (555 commits)
media: dvb-frontends/drxk_hard.c: fix uninitialized variable warning
media: tvp7002: fix uninitialized variable warning
media: s5k5baf: drop 'data' field in struct s5k5baf_fw
media: dt-bindings: media: venus: Add an optional power domain for perf voting
media: rcar-vin: rcar-dma: Fix setting VNIS_REG for RAW8 formats
media: staging: rkisp1: uapi: Do not use BIT() macro
media: v4l2-mem2mem: Fix spurious v4l2_m2m_buf_done
media: usbtv: Fix refcounting mixup
media: zoran.rst: place it at the right place this time
media: add Zoran cardlist
media: admin-guide: update cardlists
media: siano: rename a duplicated card string
media: zoran: move documentation file to the right place
media: atomisp: fixes build breakage for ISP2400 due to a cleanup
media: zoran: fix mixed case on vars
media: zoran: get rid of an unused var
media: zoran: use upper case for card types
media: zoran: fix sparse warnings
media: zoran: fix smatch warning
media: zoran: update TODO
...
no conflicts at all. This pull includes:
- A reworked and expanded user-mode Linux document
- Some simplifications and improvements for submitting-patches.rst
- An emergency fix for (some) problems with Sphinx 3.x
- Some welcome automarkup improvements to automatically generate
cross-references to struct definitions and other documents
- The usual collection of translation updates, typo fixes, etc.
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Merge tag 'docs-5.10' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"As hoped, things calmed down for docs this cycle; fewer changes and
almost no conflicts at all. This includes:
- A reworked and expanded user-mode Linux document
- Some simplifications and improvements for submitting-patches.rst
- An emergency fix for (some) problems with Sphinx 3.x
- Some welcome automarkup improvements to automatically generate
cross-references to struct definitions and other documents
- The usual collection of translation updates, typo fixes, etc"
* tag 'docs-5.10' of git://git.lwn.net/linux: (81 commits)
gpiolib: Update indentation in driver.rst for code excerpts
Documentation/admin-guide: tainted-kernels: Fix typo occured
Documentation: better locations for sysfs-pci, sysfs-tagging
docs: programming-languages: refresh blurb on clang support
Documentation: kvm: fix a typo
Documentation: Chinese translation of Documentation/arm64/amu.rst
doc: zh_CN: index files in arm64 subdirectory
mailmap: add entry for <mstarovoitov@marvell.com>
doc: seq_file: clarify role of *pos in ->next()
docs: trace: ring-buffer-design.rst: use the new SPDX tag
Documentation: kernel-parameters: clarify "module." parameters
Fix references to nommu-mmap.rst
docs: rewrite admin-guide/sysctl/abi.rst
docs: fb: Remove vesafb scrollback boot option
docs: fb: Remove sstfb scrollback boot option
docs: fb: Remove matroxfb scrollback boot option
docs: fb: Remove framebuffer scrollback boot option
docs: replace the old User Mode Linux HowTo with a new one
Documentation/admin-guide: blockdev/ramdisk: remove use of "rdev"
Documentation/admin-guide: README & svga: remove use of "rdev"
...
When TABs are being used to indent the code excerpts inside the bullet
lists some of the tools [vim in particular] fail to recognize it and
continue interpreting the special characters inside the quoted excerpt.
Update indentation in driver.rst for code excerpts to avoid
their special interpretation.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20201007143817.76335-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
the files under /80211 calls kernel-doc script 207 times, one for each
single function and doc chapter. Due to that, it takes a lot of time
handling it:
$ touch Documentation/driver-api/80211/*rst && time make SPHINXDIRS=driver-api/80211 htmldocs
...
real 0m22,928s
user 0m21,644s
sys 0m1,334s
Reduce the build time by doing only one kernel-doc call
per functions that belong to the same group. With that, there's now
50 calls to kernel-doc, which makes the build time for those docs
62% faster:
$ touch Documentation/driver-api/80211/*rst && time make SPHINXDIRS=driver-api/80211 htmldocs
...
real 0m8,666s
user 0m8,084s
sys 0m0,642s
As a side effect, it should now be easier to add newer
functions, as there's no need to repeat the kernel-doc
pattern.
Measurements made on a NUC8i7HNK machine with lots of ram
and a fast SSD disk with Sphinx 3.2.1.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/f0085721d85ebc3a77164b457ed948eee48b55df.1601890703.git.mchehab+huawei@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
I was too quick moving zoran.rst... it ends that the original
patch didn't do the right thing and forgot to update the files
that references it.
Fix it.
Fixes: 6b90346919 ("media: zoran: move documentation file to the right place")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The new C domain code on Sphinx 3 is a lot more pedantic.
It only accepts real functions declared as c:function.
So, declarations like this are not valid:
.. c:function::
int (*adap_enable)(struct cec_adapter *adap, bool enable);
Also, no blank lines are allowed after ".. c:function:", and
continuation lines should be like:
.. c:function:
int (void foo, \
int bar);
Change the logic there, in order to avoid lots of warnings
when built with Sphinx 3.x.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
There are two kernel-doc markups for include/media/v4l2-async.h,
one at v4l2-async.rst and another one at v4l2-subdev.rst.
Sphinx 3.x checks it and complains for duplicated symbols.
So, get rid of one of them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Documentation/driver-api/media/camera-sensor.rst:123: WARNING: Inline literal start-string without end-string.
There's a missing blank space over there.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This patch adds struct dma_buf_map and its helpers to the documentation. A
short tutorial is included.
v3:
* update documentation in a separate patch
* expand docs (Daniel)
* carry-over acks from patch 1
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200925115601.23955-5-tzimmermann@suse.de
Documentation on how to call the subdev ops is currently in the middle of
synchronous and asynchronous registration. Move it to a dedicated
subsection after the registration methods.
Also move the final paragraph "The advantage of using v4l2_subdev..." to
the beginning of the new section as it has an introductory content.
[hverkuil: correct accidental deletion of the last part of a sentence]
Suggested-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The subdev registration topic is pretty lengthy, and takes more than
half of the "V4L2 sub-devices" section. Help readers in finding their
way through the document by dedicating a subsection to
"Subdev registration".
Each of the two registration methods takes many paragraphs, but since
adding a subsubsection would be overkill, just emphasize them in bold.
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The virtual driver has now a minimal set of frequencies for a
single transponder to be found by each DVB standard.
Document it, and update related information about the
simulated LNBf.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add documentation for the Virtual Digital TV driver (vidtv) in the
Restructured Text (ReST) format.
This discusses:
- What is vidtv
- Why vidtv is needed
- How to build and run vidtv
- How vidtv is structured
- How to test vidtv
- How to improve vidtv
[mchehab: fixed bad whitespaces]
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
- Fix double free in virtio.
- Add missing put_device in sun4i, and other fixes.
- Small ingenic fixes.
- Handle sun4i alpha on lowest plane correctly.
- Remove output->enabled from virtio, as it should use crtc_state.
- Fix tve200 enable/disable.
- Documentation fix.
- Fix virtio unblank.
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Merge tag 'drm-misc-fixes-2020-09-09' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.9-rc5:
- Fix double free in virtio.
- Add missing put_device in sun4i, and other fixes.
- Small ingenic fixes.
- Handle sun4i alpha on lowest plane correctly.
- Remove output->enabled from virtio, as it should use crtc_state.
- Fix tve200 enable/disable.
- Documentation fix.
- Fix virtio unblank.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/478b49d1-b1b3-c983-7056-8a89249be435@mblankhorst.nl
Fix those warnings:
Documentation/driver-api/dma-buf.rst:182: WARNING: Title underline too short.
Indefinite DMA Fences
~~~~~~~~~~~~~~~~~~~~
Documentation/driver-api/dma-buf.rst:88: WARNING: Unknown target name: "fence poll support".
The first one is due to a shorter markup. The second one is
because the chapter name was wrong.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/b2bc0bc88eb913635cfece13cc9f6eff7668d333.1599660067.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Currently, sphinx emits one warning on this file:
Documentation/driver-api/soundwire/stream.rst:522: WARNING: Block quote ends without a blank line; unexpected unindent.
That's due to some extra spaces before the title of a chapter.
Yet, the list afterwards is missing identation.
So, address both issues.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/eddde9f8d121e27d7968b3d747064e16de8bec4f.1599660067.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Implement the managed variant of krealloc(). This function works with
all memory allocated by devm_kmalloc() (or devres functions using it
implicitly like devm_kmemdup(), devm_kstrdup() etc.).
Managed realloc'ed chunks can be manually released with devm_kfree().
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200824173859.4910-2-brgl@bgdev.pl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Without this patch, the "Firmware is not accessible [...]" line is
rendered in bold, which does not seem intentional.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20200905184131.1280337-1-j.neuschaefer@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The API that allowed device connection descriptions to
be added is now removed, so removing also the documentation
for it.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200907120532.37611-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'v5.9-rc4' into patchwork
Linux 5.9-rc4
* tag 'v5.9-rc4': (1001 commits)
Linux 5.9-rc4
io_uring: fix linked deferred ->files cancellation
io_uring: fix cancel of deferred reqs with ->files
include/linux/log2.h: add missing () around n in roundup_pow_of_two()
mm/khugepaged.c: fix khugepaged's request size in collapse_file
mm/hugetlb: fix a race between hugetlb sysctl handlers
mm/hugetlb: try preferred node first when alloc gigantic page from cma
mm/migrate: preserve soft dirty in remove_migration_pte()
mm/migrate: remove unnecessary is_zone_device_page() check
mm/rmap: fixup copying of soft dirty and uffd ptes
mm/migrate: fixup setting UFFD_WP flag
mm: madvise: fix vma user-after-free
checkpatch: fix the usage of capture group ( ... )
fork: adjust sysctl_max_threads definition to match prototype
ipc: adjust proc_ipc_sem_dointvec definition to match prototype
mm: track page table modifications in __apply_to_page_range()
MAINTAINERS: IA64: mark Status as Odd Fixes only
MAINTAINERS: add LLVM maintainers
MAINTAINERS: update Cavium/Marvell entries
mm: slub: fix conversion of freelist_corrupted()
...
Following functions are only used internally, not by drivers:
- devm_drm_dev_init
Also, now that we have a very slick and polished way to allocate a
drm_device with devm_drm_dev_alloc, update all the docs to reflect the
new reality. Mostly this consists of deleting old and misleading
hints. Two main ones:
- it is no longer required that the drm_device base class is first in
the structure. devm_drm_dev_alloc can cope with it being anywhere
- obviously embedded now strongly recommends using devm_drm_dev_alloc
v2: Fix typos (Noralf)
v3: Split out the removal of drm_dev_init, that's blocked on some
discussions on how to convert vgem/vkms/i915-selftests. Adjust commit
message to reflect that.
Cc: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Noralf Trønnes <noralf@tronnes.org> (v2)
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Luben Tuikov <luben.tuikov@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200902072627.3617301-1-daniel.vetter@ffwll.ch
While we have had some example drivers, there has been up to date no
formal documentation on how camera sensor drivers should be written; what
are the practices, why, and where they apply.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
/home/rdunlap/lnx/lnx-59-rc2/Documentation/driver-api/dma-buf.rst:182: WARNING: Title underline too short.
Indefinite DMA Fences
~~~~~~~~~~~~~~~~~~~~
Fixes: 72b6ede736 ("dma-buf.rst: Document why indefinite fences are a bad idea")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1b22d4c3-4ea5-c633-9e35-71ce65d8dbcc@infradead.org
- Make better attempt at matching device with the correct OF node
- Allow batch removal of hierarchical sub-devices
- New Drivers
- Add STM32 Clocksource driver
- Add support for Khadas System Control Microcontroller
- Driver Removal
- Remove unused driver for TI's SMSC ECE1099
- New Device Support
- Add support for Intel Emmitsburg PCH to Intel LPSS PCI
- Add support for Intel Tiger Lake PCH-H to Intel LPSS PCI
- Add support for Dialog DA revision to Dialog DA9063
- New Functionality
- Add support for AXP803 to be probed by I2C
- Fix-ups
- Numerous W=1 warning fixes
- Device Tree changes; stm32-lptimer, gateworks-gsc, khadas,mcu, stmfx, cros-ec, j721e-system-controller
- Enabled Regmap 'fast I/O'; stm32-lptimer
- Change BUG_ON to WARN_ON; arizona-core
- Remove superfluous code/initialisation; madera, max14577
- Trivial formatting/spelling issues; madera-core, madera-i2c, da9055, max77693-private
- Switch to of_platform_populate(); sprd-sc27xx-spi
- Expand out set/get brightness/pwm macros; lm3533-ctrlbank
- Disable IRQs on suspend; motorola-cpcap
- Clean-up error handling; intel_soc_pmic_mrfld
- Ensure correct removal order of sub-devices; madera
- Many s/HTTP/HTTPS/ link changes
- Ensure name used with Regmap is unique; syscon
- Bug Fixes
- Properly 'put' clock on unbind and error; arizona-core
- Fix revision handling; da9063
- Fix 'assignment of read-only location' error; kempld-core
- Avoid using the Regmap API when atomic; rn5t618
- Redefine volatile register description; rn5t618
- Use locking to protect event handler; dln2
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Merge tag 'mfd-next-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks
- Make better attempt at matching device with the correct OF node
- Allow batch removal of hierarchical sub-devices
New Drivers
- Add STM32 Clocksource driver
- Add support for Khadas System Control Microcontroller
Driver Removal
- Remove unused driver for TI's SMSC ECE1099
New Device Support
- Add support for Intel Emmitsburg PCH to Intel LPSS PCI
- Add support for Intel Tiger Lake PCH-H to Intel LPSS PCI
- Add support for Dialog DA revision to Dialog DA9063
New Functionality
- Add support for AXP803 to be probed by I2C
Fix-ups
- Numerous W=1 warning fixes
- Device Tree changes (stm32-lptimer, gateworks-gsc, khadas,mcu, stmfx, cros-ec, j721e-system-controller)
- Enabled Regmap 'fast I/O' in stm32-lptimer
- Change BUG_ON to WARN_ON in arizona-core
- Remove superfluous code/initialisation (madera, max14577)
- Trivial formatting/spelling issues (madera-core, madera-i2c, da9055, max77693-private)
- Switch to of_platform_populate() in sprd-sc27xx-spi
- Expand out set/get brightness/pwm macros in lm3533-ctrlbank
- Disable IRQs on suspend in motorola-cpcap
- Clean-up error handling in intel_soc_pmic_mrfld
- Ensure correct removal order of sub-devices in madera
- Many s/HTTP/HTTPS/ link changes
- Ensure name used with Regmap is unique in syscon
Bug Fixes
- Properly 'put' clock on unbind and error in arizona-core
- Fix revision handling in da9063
- Fix 'assignment of read-only location' error in kempld-core
- Avoid using the Regmap API when atomic in rn5t618
- Redefine volatile register description in rn5t618
- Use locking to protect event handler in dln2"
* tag 'mfd-next-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (76 commits)
mfd: syscon: Use a unique name with regmap_config
mfd: Replace HTTP links with HTTPS ones
mfd: dln2: Run event handler loop under spinlock
mfd: madera: Improve handling of regulator unbinding
mfd: mfd-core: Add mechanism for removal of a subset of children
mfd: intel_soc_pmic_mrfld: Simplify the return expression of intel_scu_ipc_dev_iowrite8()
mfd: max14577: Remove redundant initialization of variable current_bits
mfd: rn5t618: Fix caching of battery related registers
mfd: max77693-private: Drop a duplicated word
mfd: da9055: pdata.h: Drop a duplicated word
mfd: rn5t618: Make restart handler atomic safe
mfd: kempld-core: Fix 'assignment of read-only location' error
mfd: axp20x: Allow the AXP803 to be probed by I2C
mfd: da9063: Add support for latest DA silicon revision
mfd: da9063: Fix revision handling to correctly select reg tables
dt-bindings: mfd: st,stmfx: Remove I2C unit name
dt-bindings: mfd: ti,j721e-system-controller.yaml: Add J721e system controller
mfd: motorola-cpcap: Disable interrupt for suspend
mfd: smsc-ece1099: Remove driver
mfd: core: Add OF_MFD_CELL_REG() helper
...
This MFD driver has no user. The keypad driver of this device never made
it into the kernel. Therefore, this driver is useless. Remove it.
Signed-off-by: Michael Walle <michael@walle.cc>
Cc: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
- Add 'Runtime Firmware Activation' support for NVDIMMs that advertise
the relevant capability
- Misc libnvdimm and DAX cleanups
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Merge tag 'libnvdimm-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updayes from Vishal Verma:
"You'd normally receive this pull request from Dan Williams, but he's
busy watching a newborn (Congrats Dan!), so I'm watching libnvdimm
this cycle.
This adds a new feature in libnvdimm - 'Runtime Firmware Activation',
and a few small cleanups and fixes in libnvdimm and DAX. I'd
originally intended to make separate topic-based pull requests - one
for libnvdimm, and one for DAX, but some of the DAX material fell out
since it wasn't quite ready.
Summary:
- add 'Runtime Firmware Activation' support for NVDIMMs that
advertise the relevant capability
- misc libnvdimm and DAX cleanups"
* tag 'libnvdimm-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm/security: ensure sysfs poll thread woke up and fetch updated attr
libnvdimm/security: the 'security' attr never show 'overwrite' state
libnvdimm/security: fix a typo
ACPI: NFIT: Fix ARS zero-sized allocation
dax: Fix incorrect argument passed to xas_set_err()
ACPI: NFIT: Add runtime firmware activate support
PM, libnvdimm: Add runtime firmware activation support
libnvdimm: Convert to DEVICE_ATTR_ADMIN_RO()
drivers/dax: Expand lock scope to cover the use of addresses
fs/dax: Remove unused size parameter
dax: print error message by pr_info() in __generic_fsdax_supported()
driver-core: Introduce DEVICE_ATTR_ADMIN_{RO,RW}
tools/testing/nvdimm: Emulate firmware activation commands
tools/testing/nvdimm: Prepare nfit_ctl_test() for ND_CMD_CALL emulation
tools/testing/nvdimm: Add command debug messages
tools/testing/nvdimm: Cleanup dimm index passing
ACPI: NFIT: Define runtime firmware activation commands
ACPI: NFIT: Move bus_dsm_mask out of generic nvdimm_bus_descriptor
libnvdimm: Validate command family indices
Nothing of any major consequence. Duplicate code, some missing \n's in
sysfs files, some documentation and comment changes.
-corey
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Merge tag 'for-linus-5.9-1' of git://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
"Minor cleanups to the IPMI driver for 5.9
Nothing of any major consequence. Duplicate code, some missing \n's in
sysfs files, some documentation and comment changes"
* tag 'for-linus-5.9-1' of git://github.com/cminyard/linux-ipmi:
ipmi/watchdog: add missing newlines when printing parameters by sysfs
ipmi: remve duplicate code in __ipmi_bmc_register()
ipmi: ssif: Remove finished TODO comment about SMBus alert
Doc: driver-api: ipmi: Add description of alerts_broken module param
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Merge tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Legacy soc_camera driver was removed from staging
- New I2C sensor related drivers: dw9768, ch7322, max9271, rdacm20
- TI vpe driver code was re-organized and had new features added
- Added Xilinx MIPI CSI-2 Rx Subsystem driver
- Added support for Infrared Toy and IR Droid devices
- Lots of random driver fixes, new features and cleanups
* tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (318 commits)
media: camss: fix memory leaks on error handling paths in probe
media: davinci: vpif_capture: fix potential double free
media: radio: remove redundant assignment to variable retval
media: allegro: fix potential null dereference on header
media: mtk-mdp: Fix a refcounting bug on error in init
media: allegro: fix an error pointer vs NULL check
media: meye: fix missing pm_mchip_mode field
media: cafe-driver: use generic power management
media: saa7164: use generic power management
media: v4l2-dev/ioctl: Fix document for VIDIOC_QUERYCAP
media: v4l2: Correct kernel-doc inconsistency
media: v4l2: Correct kernel-doc inconsistency
media: dvbdev.h: keep * together with the type
media: v4l2-subdev.h: keep * together with the type
media: videobuf2: Print videobuf2 buffer state by name
media: colorspaces-details.rst: fix V4L2_COLORSPACE_JPEG description
media: tw68: use generic power management
media: meye: use generic power management
media: cx88: use generic power management
media: cx25821: use generic power management
...
Core:
- Support out of order dma completion
- Support for repeating transaction
New controllers:
- Support for Actions S700 DMA engine
- Renesas R8A774E1, r8a7742 controller binding
- New driver for Xilinx DPDMA controller
Others:
- Support of out of order dma completion in idxd driver
- W=1 warning cleanup of subsystem
- Updates to ti-k3-dma, dw, idxd drivers
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Merge tag 'dmaengine-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"Core:
- Support out of order dma completion
- Support for repeating transaction
New controllers:
- Support for Actions S700 DMA engine
- Renesas R8A774E1, r8a7742 controller binding
- New driver for Xilinx DPDMA controller
Other:
- Support of out of order dma completion in idxd driver
- W=1 warning cleanup of subsystem
- Updates to ti-k3-dma, dw, idxd drivers"
* tag 'dmaengine-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (68 commits)
dmaengine: dw: Don't include unneeded header to platform data header
dmaengine: Actions: Add support for S700 DMA engine
dmaengine: Actions: get rid of bit fields from dma descriptor
dt-bindings: dmaengine: convert Actions Semi Owl SoCs bindings to yaml
dmaengine: idxd: add missing invalid flags field to completion
dmaengine: dw: Initialize max_sg_burst capability
dmaengine: dw: Introduce max burst length hw config
dmaengine: dw: Initialize min and max burst DMA device capability
dmaengine: dw: Set DMA device max segment size parameter
dmaengine: dw: Take HC_LLP flag into account for noLLP auto-config
dmaengine: Introduce DMA-device device_caps callback
dmaengine: Introduce max SG burst capability
dmaengine: Introduce min burst length capability
dt-bindings: dma: dw: Add max burst transaction length property
dt-bindings: dma: dw: Convert DW DMAC to DT binding
dmaengine: ti: k3-udma: Query throughput level information from hardware
dmaengine: ti: k3-udma: Use defines for capabilities register parsing
dmaengine: xilinx: dpdma: Fix kerneldoc warning
dmaengine: xilinx: dpdma: add missing kernel doc
dmaengine: xilinx: dpdma: remove comparison of unsigned expression
...
Here is the large set of TTY and Serial driver patches for 5.9-rc1.
Lots of bugfixes in here, thanks to syzbot fuzzing for serial and vt and
console code.
Other highlights include:
- much needed vt/vc code cleanup from Jiri Slaby
- 8250 driver fixes and additions
- various serial driver updates and feature enhancements
- locking cleanup for serial/console initializations
- other minor cleanups
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 'tty-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the large set of TTY and Serial driver patches for 5.9-rc1.
Lots of bugfixes in here, thanks to syzbot fuzzing for serial and vt
and console code.
Other highlights include:
- much needed vt/vc code cleanup from Jiri Slaby
- 8250 driver fixes and additions
- various serial driver updates and feature enhancements
- locking cleanup for serial/console initializations
- other minor cleanups
All of these have been in linux-next with no reported issues"
* tag 'tty-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (90 commits)
MAINTAINERS: enlist Greg formally for console stuff
vgacon: Fix for missing check in scrollback handling
Revert "serial: 8250: Let serial core initialise spin lock"
serial: 8250: Let serial core initialise spin lock
tty: keyboard, do not speculate on func_table index
serial: stm32: Add RS485 RTS GPIO control
serial: 8250_dw: Fix common clocks usage race condition
serial: 8250_dw: Pass the same rate to the clk round and set rate methods
serial: 8250_dw: Simplify the ref clock rate setting procedure
serial: 8250: Add 8250 port clock update method
tty: serial: imx: add imx earlycon driver
tty: serial: imx: enable imx serial console port as module
tty/synclink: remove leftover bits of non-PCI card support
tty: Use the preferred form for passing the size of a structure type
tty: Fix identation issues in struct serial_struct32
tty: Avoid the use of one-element arrays
serial: msm_serial: add sparse context annotation
serial: pmac_zilog: add sparse context annotation
newport_con: vc_color is now in state
serial: imx: use hrtimers for rs485 delays
...
Here is the large set of Staging and IIO driver patches for 5.9-rc1.
Lots of churn here, but overall the size increase in lines added is
small, while adding a load of new IIO drivers.
Major things in here:
- lots and lots of IIO new drivers and frameworks added
- IIO driver fixes and updates
- lots of tiny coding style cleanups for staging drivers
- vc04_services major reworks and cleanups
We had 3 set of drivers move out of staging in this round as well:
- wilc1000 wireless driver moved out of staging
- speakup moved out of staging
- most USB driver moved out of staging
Full details are in the shortlog.
All of these have been in linux-next with no reported issues. The last
few changes here were to resolve reported linux-next issues, and they
seem to have resolved the problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver updates from Greg KH:
"Here is the large set of Staging and IIO driver patches for 5.9-rc1.
Lots of churn here, but overall the size increase in lines added is
small, while adding a load of new IIO drivers.
Major things in here:
- lots and lots of IIO new drivers and frameworks added
- IIO driver fixes and updates
- lots of tiny coding style cleanups for staging drivers
- vc04_services major reworks and cleanups
We had 3 set of drivers move out of staging in this round as well:
- wilc1000 wireless driver moved out of staging
- speakup moved out of staging
- most USB driver moved out of staging
Full details are in the shortlog.
All of these have been in linux-next with no reported issues. The last
few changes here were to resolve reported linux-next issues, and they
seem to have resolved the problems"
* tag 'staging-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (428 commits)
staging: most: fix up movement of USB driver
staging: rts5208: clear alignment style issues
staging: r8188eu: replace rtw_netdev_priv define with inline function
staging: netlogic: clear alignment style issues
staging: android: ashmem: Fix lockdep warning for write operation
drivers: most: add USB adapter driver
staging: most: Use %pM format specifier for MAC addresses
staging: ks7010: Use %pM format specifier for MAC addresses
staging: qlge: qlge_dbg: removed comment repition
staging: wfx: Use flex_array_size() helper in memcpy()
staging: rtl8723bs: Align macro definitions
staging: rtl8723bs: Clean up function declations
staging: rtl8723bs: Fix coding style errors
drivers: staging: audio: Fix the missing header file for helper file
staging: greybus: audio: Enable GB codec, audio module compilation.
staging: greybus: audio: Add helper APIs for dynamic audio modules
staging: greybus: audio: Resolve compilation error in topology parser
staging: greybus: audio: Resolve compilation errors for GB codec module
staging: greybus: audio: Maintain jack list within GB Audio module
staging: greybus: audio: Update snd_jack FW usage as per new APIs
...
Pull networking updates from David Miller:
1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.
2) Support UDP segmentation in code TSO code, from Eric Dumazet.
3) Allow flashing different flash images in cxgb4 driver, from Vishal
Kulkarni.
4) Add drop frames counter and flow status to tc flower offloading,
from Po Liu.
5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.
6) Various new indirect call avoidance, from Eric Dumazet and Brian
Vazquez.
7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
Yonghong Song.
8) Support querying and setting hardware address of a port function via
devlink, use this in mlx5, from Parav Pandit.
9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.
10) Switch qca8k driver over to phylink, from Jonathan McDowell.
11) In bpftool, show list of processes holding BPF FD references to
maps, programs, links, and btf objects. From Andrii Nakryiko.
12) Several conversions over to generic power management, from Vaibhav
Gupta.
13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
Yakunin.
14) Various https url conversions, from Alexander A. Klimov.
15) Timestamping and PHC support for mscc PHY driver, from Antoine
Tenart.
16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.
17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.
18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.
19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
drivers. From Luc Van Oostenryck.
20) XDP support for xen-netfront, from Denis Kirjanov.
21) Support receive buffer autotuning in MPTCP, from Florian Westphal.
22) Support EF100 chip in sfc driver, from Edward Cree.
23) Add XDP support to mvpp2 driver, from Matteo Croce.
24) Support MPTCP in sock_diag, from Paolo Abeni.
25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
infrastructure, from Jakub Kicinski.
26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.
27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.
28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.
29) Refactor a lot of networking socket option handling code in order to
avoid set_fs() calls, from Christoph Hellwig.
30) Add rfc4884 support to icmp code, from Willem de Bruijn.
31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.
32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.
33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.
34) Support TCP syncookies in MPTCP, from Flowian Westphal.
35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
Brivio.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
net: thunderx: initialize VF's mailbox mutex before first usage
usb: hso: remove bogus check for EINPROGRESS
usb: hso: no complaint about kmalloc failure
hso: fix bailout in error case of probe
ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
selftests/net: relax cpu affinity requirement in msg_zerocopy test
mptcp: be careful on subflow creation
selftests: rtnetlink: make kci_test_encap() return sub-test result
selftests: rtnetlink: correct the final return value for the test
net: dsa: sja1105: use detected device id instead of DT one on mismatch
tipc: set ub->ifindex for local ipv6 address
ipv6: add ipv6_dev_find()
net: openvswitch: silence suspicious RCU usage warning
Revert "vxlan: fix tos value before xmit"
ptp: only allow phase values lower than 1 period
farsync: switch from 'pci_' to 'dma_' API
wan: wanxl: switch from 'pci_' to 'dma_' API
hv_netvsc: do not use VF device if link is down
dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
net: macb: Properly handle phylink on at91sam9x
...
core:
- add user def flag to cmd line modes
- dma_fence_wait added might_sleep
- dma-fence lockdep annotations
- indefinite fences are bad documentation
- gem CMA functions used in more drivers
- struct mutex removal
- more drm_ debug macro usage
- set/drop master api fixes
- fix for drm/mm hole size comparison
- drm/mm remove invalid entry optimization
- optimise drm/mm hole handling
- VRR debugfs added
- uncompressed AFBC modifier support
- multiple display id blocks in EDID
- multiple driver sg handling fixes
- __drm_atomic_helper_crtc_reset in all drivers
- managed vram helpers
ttm:
- ttm_mem_reg handling cleanup
- remove bo offset field
- drop CMA memtype flag
- drop mappable flag
xilinx:
- New Xilinx ZynqMP DisplayPort Subsystem driver
nouveau:
- add CRC support
- start using NVIDIA published class header files
- convert all push buffer emission to new macros
- Proper push buffer space management for EVO/NVD channels.
- firmware loading fixes
- 2MiB system memory pages support on Pascal and newer
vkms:
- larget cursor support
i915:
- Rocketlake platform enablement
- Early DG1 enablement
- Numerous GEM refactorings
- DP MST fixes
- FBC, PSR, Cursor, Color, Gamma fixes
- TGL, RKL, EHL workaround updates
- TGL 8K display support fixes
- SDVO/HDMI/DVI fixes
amdgpu:
- Initial support for Sienna Cichlid GPU
- Initial support for Navy Flounder GPU
- SI UVD/VCE support
- expose rotation property
- Add support for unique id on Arcturus
- Enable runtime PM on vega10 boards that support BACO
- Skip BAR resizing if the bios already did id
- Major swSMU code cleanup
- Fixes for DCN bandwidth calculations
amdkfd:
- Track SDMA usage per process
- SMI events interface
radeon:
- Default to on chip GART for AGP boards on all arches
- Runtime PM reference count fixes
msm:
- headers regenerated causing churn
- a650/a640 display and GPU enablement
- dpu dither support for 6bpc panels
- dpu cursor fix
- dsi/mdp5 enablement for sdm630/sdm636/sdm66
tegra:
- video capture prep support
- reflection support
mediatek:
- convert mtk_dsi to bridge API
meson:
- FBC support
sun4i:
- iommu support
rockchip:
- register locking fix
- per-pixel alpha support PX30 VOP
-
mgag200:
- ported to simple and shmem helpers
- device init cleanups
- use managed pci functions
- dropped hw cursor support
ast:
- use managed pci functions
- use managed VRAM helpers
- rework cursor support
malidp:
- dev_groups support
hibmc:
- refactor hibmc_drv_vdac:
vc4:
- create TXP CRTC
imx:
- error path fixes and cleanups
etnaviv:
- clock handling and error handling cleanups
- use pin_user_pages
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Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"New xilinx displayport driver, AMD support for two new GPUs (more
header files), i915 initial support for RocketLake and some work on
their DG1 (discrete chip).
The core also grew some lockdep annotations to try and constrain what
drivers do with dma-fences, and added some documentation on why the
idea of indefinite fences doesn't work.
The long list is below.
I do have some fixes trees outstanding, but I'll follow up with those
later.
core:
- add user def flag to cmd line modes
- dma_fence_wait added might_sleep
- dma-fence lockdep annotations
- indefinite fences are bad documentation
- gem CMA functions used in more drivers
- struct mutex removal
- more drm_ debug macro usage
- set/drop master api fixes
- fix for drm/mm hole size comparison
- drm/mm remove invalid entry optimization
- optimise drm/mm hole handling
- VRR debugfs added
- uncompressed AFBC modifier support
- multiple display id blocks in EDID
- multiple driver sg handling fixes
- __drm_atomic_helper_crtc_reset in all drivers
- managed vram helpers
ttm:
- ttm_mem_reg handling cleanup
- remove bo offset field
- drop CMA memtype flag
- drop mappable flag
xilinx:
- New Xilinx ZynqMP DisplayPort Subsystem driver
nouveau:
- add CRC support
- start using NVIDIA published class header files
- convert all push buffer emission to new macros
- Proper push buffer space management for EVO/NVD channels.
- firmware loading fixes
- 2MiB system memory pages support on Pascal and newer
vkms:
- larger cursor support
i915:
- Rocketlake platform enablement
- Early DG1 enablement
- Numerous GEM refactorings
- DP MST fixes
- FBC, PSR, Cursor, Color, Gamma fixes
- TGL, RKL, EHL workaround updates
- TGL 8K display support fixes
- SDVO/HDMI/DVI fixes
amdgpu:
- Initial support for Sienna Cichlid GPU
- Initial support for Navy Flounder GPU
- SI UVD/VCE support
- expose rotation property
- Add support for unique id on Arcturus
- Enable runtime PM on vega10 boards that support BACO
- Skip BAR resizing if the bios already did id
- Major swSMU code cleanup
- Fixes for DCN bandwidth calculations
amdkfd:
- Track SDMA usage per process
- SMI events interface
radeon:
- Default to on chip GART for AGP boards on all arches
- Runtime PM reference count fixes
msm:
- headers regenerated causing churn
- a650/a640 display and GPU enablement
- dpu dither support for 6bpc panels
- dpu cursor fix
- dsi/mdp5 enablement for sdm630/sdm636/sdm66
tegra:
- video capture prep support
- reflection support
mediatek:
- convert mtk_dsi to bridge API
meson:
- FBC support
sun4i:
- iommu support
rockchip:
- register locking fix
- per-pixel alpha support PX30 VOP
mgag200:
- ported to simple and shmem helpers
- device init cleanups
- use managed pci functions
- dropped hw cursor support
ast:
- use managed pci functions
- use managed VRAM helpers
- rework cursor support
malidp:
- dev_groups support
hibmc:
- refactor hibmc_drv_vdac:
vc4:
- create TXP CRTC
imx:
- error path fixes and cleanups
etnaviv:
- clock handling and error handling cleanups
- use pin_user_pages"
* tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm: (1747 commits)
drm/msm: use kthread_create_worker instead of kthread_run
drm/msm/mdp5: Add MDP5 configuration for SDM636/660
drm/msm/dsi: Add DSI configuration for SDM660
drm/msm/mdp5: Add MDP5 configuration for SDM630
drm/msm/dsi: Add phy configuration for SDM630/636/660
drm/msm/a6xx: add A640/A650 hwcg
drm/msm/a6xx: hwcg tables in gpulist
drm/msm/dpu: add SM8250 to hw catalog
drm/msm/dpu: add SM8150 to hw catalog
drm/msm/dpu: intf timing path for displayport
drm/msm/dpu: set missing flush bits for INTF_2 and INTF_3
drm/msm/dpu: don't use INTF_INPUT_CTRL feature on sdm845
drm/msm/dpu: move some sspp caps to dpu_caps
drm/msm/dpu: update UBWC config for sm8150 and sm8250
drm/msm/dpu: use right setup_blend_config for sm8150 and sm8250
drm/msm/a6xx: set ubwc config for A640 and A650
drm/msm/adreno: un-open-code some packets
drm/msm: sync generated headers
drm/msm/a6xx: add build_bw_table for A640/A650
drm/msm/a6xx: fix crashstate capture for A650
...
Core changes:
- Introduce the for_each_requested_gpio() macro to help in
dependent code all over the place. Also patch a few locations
to use it while we are at it.
- Split out the sysfs code into its own file.
- Split out the character device code into its own file, then
make a set of refactorings and improvements to this code.
We are setting the stage to revamp the userspace API a bit
in the next cycle.
- Fix a whole slew of kerneldoc that was wrong or missing.
New drivers:
- The PCA953x driver now supports the PCAL9535.
Driver improvements:
- A host of incremental modernizations and improvements to the
PCA953x driver.
- Incremental improvements to the Xilinx Zynq driver.
- Some improvements to the GPIO aggregator driver.
- I ran all over the place switching all threaded and other
drivers requesting their own IRQ while using the core
GPIO IRQ helpers to pass the GPIO irq chip as a template
instead of calling the explicit set-up functions. Next merge
window we may retire the old code altogether.
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Merge tag 'gpio-v5.9-1' 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 v5.9 kernel cycle.
There is nothing too exciting in it, but a new macro that fixes a
build failure on a minor ARM32 platform that appeared yesterday is
part of it so we better merge it.
Core changes:
- Introduce the for_each_requested_gpio() macro to help in dependent
code all over the place. Also patch a few locations to use it while
we are at it.
- Split out the sysfs code into its own file.
- Split out the character device code into its own file, then make a
set of refactorings and improvements to this code. We are setting
the stage to revamp the userspace API a bit in the next cycle.
- Fix a whole slew of kerneldoc that was wrong or missing.
New drivers:
- The PCA953x driver now supports the PCAL9535.
Driver improvements:
- A host of incremental modernizations and improvements to the
PCA953x driver.
- Incremental improvements to the Xilinx Zynq driver.
- Some improvements to the GPIO aggregator driver.
- I ran all over the place switching all threaded and other drivers
requesting their own IRQ while using the core GPIO IRQ helpers to
pass the GPIO irq chip as a template instead of calling the
explicit set-up functions. Next merge window we may retire the old
code altogether"
* tag 'gpio-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (97 commits)
gpio: wcove: Request IRQ after all initialisation done
gpio: crystalcove: Free IRQ on error path
gpio: pca953x: Request IRQ after all initialisation done
gpio: don't use same lockdep class for all devm_gpiochip_add_data users
gpio: max732x: Use irqchip template
gpio: stmpe: Move chip registration
gpio: rcar: Use irqchip template
gpio: regmap: fix type clash
gpio: Correct kernel-doc inconsistency
gpio: pci-idio-16: Use irqchip template
gpio: pcie-idio-24: Use irqchip template
gpio: 104-idio-16: Use irqchip template
gpio: 104-idi-48: Use irqchip template
gpio: 104-dio-48e: Use irqchip template
gpio: ws16c48: Use irqchip template
gpio: omap: improve coding style for pin config flags
gpio: dln2: Use irqchip template
gpio: sch: Add a blank line between declaration and code
gpio: sch: changed every 'unsigned' to 'unsigned int'
gpio: ich: changed every 'unsigned' to 'unsigned int'
...
Here is the large set of USB and Thunderbolt patches for 5.9-rc1.
Nothing really magic/major in here, just lots of little changes and
updates:
- clean up language usages in USB core and some drivers
- Thunderbolt driver updates and additions
- USB Gadget driver updates
- dwc3 driver updates (like always...)
- build with "W=1" warning fixups
- mtu3 driver updates
- usb-serial driver updates and device ids
- typec additions and updates for new hardware
- xhci debug code updates for future platforms
- cdns3 driver updates
- lots of other minor driver updates and fixes and 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-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/Thunderbolt updates from Greg KH:
"Here is the large set of USB and Thunderbolt patches for 5.9-rc1.
Nothing really magic/major in here, just lots of little changes and
updates:
- clean up language usages in USB core and some drivers
- Thunderbolt driver updates and additions
- USB Gadget driver updates
- dwc3 driver updates (like always...)
- build with "W=1" warning fixups
- mtu3 driver updates
- usb-serial driver updates and device ids
- typec additions and updates for new hardware
- xhci debug code updates for future platforms
- cdns3 driver updates
- lots of other minor driver updates and fixes and cleanups
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (330 commits)
usb: common: usb-conn-gpio: Register charger
usb: mtu3: simplify mtu3_req_complete()
usb: mtu3: clear dual mode of u3port when disable device
usb: mtu3: use MTU3_EP_WEDGE flag
usb: mtu3: remove useless member @busy in mtu3_ep struct
usb: mtu3: remove repeated error log
usb: mtu3: add ->udc_set_speed()
usb: mtu3: introduce a funtion to check maximum speed
usb: mtu3: clear interrupts status when disable interrupts
usb: mtu3: reinitialize CSR registers
usb: mtu3: fix macro for maximum number of packets
usb: mtu3: remove unnecessary pointer checks
usb: xhci: Fix ASMedia ASM1142 DMA addressing
usb: xhci: define IDs for various ASMedia host controllers
usb: musb: convert to devm_platform_ioremap_resource_byname
usb: gadget: tegra-xudc: convert to devm_platform_ioremap_resource_byname
usb: gadget: r8a66597: convert to devm_platform_ioremap_resource_byname
usb: dwc3: convert to devm_platform_ioremap_resource_byname
usb: cdns3: convert to devm_platform_ioremap_resource_byname
usb: phy: am335x: convert to devm_platform_ioremap_resource_byname
...
Here is the "big" set of changes to the driver core, and some drivers
using the changes, for 5.9-rc1.
"Biggest" thing in here is the device link exposure in sysfs, to help
to tame the madness that is SoC device tree representations and driver
interactions with it.
Other stuff in here that is interesting is:
- device probe log helper so that drivers can report problems in
a unified way easier.
- devres functions added
- DEVICE_ATTR_ADMIN_* macro added to make it harder to write
incorrect sysfs file permissions
- documentation cleanups
- ability for debugfs to be present in the kernel, yet not
exposed to userspace. Needed for systems that want it
enabled, but do not trust users, so they can still use some
kernel functions that were otherwise disabled.
- other minor fixes and cleanups
The patches outside of drivers/base/ all have acks from the respective
subsystem maintainers to go through this tree instead of theirs.
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 'driver-core-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of changes to the driver core, and some drivers
using the changes, for 5.9-rc1.
"Biggest" thing in here is the device link exposure in sysfs, to help
to tame the madness that is SoC device tree representations and driver
interactions with it.
Other stuff in here that is interesting is:
- device probe log helper so that drivers can report problems in a
unified way easier.
- devres functions added
- DEVICE_ATTR_ADMIN_* macro added to make it harder to write
incorrect sysfs file permissions
- documentation cleanups
- ability for debugfs to be present in the kernel, yet not exposed to
userspace. Needed for systems that want it enabled, but do not
trust users, so they can still use some kernel functions that were
otherwise disabled.
- other minor fixes and cleanups
The patches outside of drivers/base/ all have acks from the respective
subsystem maintainers to go through this tree instead of theirs.
All of these have been in linux-next with no reported issues"
* tag 'driver-core-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (39 commits)
drm/bridge: lvds-codec: simplify error handling
drm/bridge/sii8620: fix resource acquisition error handling
driver core: add deferring probe reason to devices_deferred property
driver core: add device probe log helper
driver core: Avoid binding drivers to dead devices
Revert "test_firmware: Test platform fw loading on non-EFI systems"
firmware_loader: EFI firmware loader must handle pre-allocated buffer
selftest/firmware: Add selftest timeout in settings
test_firmware: Test platform fw loading on non-EFI systems
driver core: Change delimiter in devlink device's name to "--"
debugfs: Add access restriction option
tracefs: Remove unnecessary debug_fs checks.
driver core: Fix probe_count imbalance in really_probe()
kobject: remove unused KOBJ_MAX action
driver core: Fix sleeping in invalid context during device link deletion
driver core: Add waiting_for_supplier sysfs file for devices
driver core: Add state_synced sysfs file for devices that support it
driver core: Expose device link details in sysfs
driver core: Drop mention of obsolete bus rwsem from kernel-doc
debugfs: file: Remove unnecessary cast in kfree()
...
Here is the large set of char and misc and other driver subsystem
patches for 5.9-rc1. Lots of new driver submissions in here, and
cleanups and features for existing drivers.
Highlights are:
- habanalabs driver updates
- coresight driver updates
- nvmem driver updates
- huge number of "W=1" build warning cleanups from Lee Jones
- dyndbg updates
- virtbox driver fixes and updates
- soundwire driver updates
- mei driver updates
- phy driver updates
- fpga driver updates
- lots of smaller individual misc/char driver cleanups and fixes
Full details are in the 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 'char-misc-5.9-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 large set of char and misc and other driver subsystem
patches for 5.9-rc1. Lots of new driver submissions in here, and
cleanups and features for existing drivers.
Highlights are:
- habanalabs driver updates
- coresight driver updates
- nvmem driver updates
- huge number of "W=1" build warning cleanups from Lee Jones
- dyndbg updates
- virtbox driver fixes and updates
- soundwire driver updates
- mei driver updates
- phy driver updates
- fpga driver updates
- lots of smaller individual misc/char driver cleanups and fixes
Full details are in the shortlog.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (322 commits)
habanalabs: remove unused but set variable 'ctx_asid'
nvmem: qcom-spmi-sdam: Enable multiple devices
dt-bindings: nvmem: SID: add binding for A100's SID controller
nvmem: update Kconfig description
nvmem: qfprom: Add fuse blowing support
dt-bindings: nvmem: Add properties needed for blowing fuses
dt-bindings: nvmem: qfprom: Convert to yaml
nvmem: qfprom: use NVMEM_DEVID_AUTO for multiple instances
nvmem: core: add support to auto devid
nvmem: core: Add nvmem_cell_read_u8()
nvmem: core: Grammar fixes for help text
nvmem: sc27xx: add sc2730 efuse support
nvmem: Enforce nvmem stride in the sysfs interface
MAINTAINERS: Add git tree for NVMEM FRAMEWORK
nvmem: sprd: Fix return value of sprd_efuse_probe()
drivers: android: Fix the SPDX comment style
drivers: android: Fix a variable declaration coding style issue
drivers: android: Remove braces for a single statement if-else block
drivers: android: Remove the use of else after return
drivers: android: Fix a variable declaration coding style issue
...
while to come. Changes include:
- Some new Chinese translations
- Progress on the battle against double words words and non-HTTPS URLs
- Some block-mq documentation
- More RST conversions from Mauro. At this point, that task is
essentially complete, so we shouldn't see this kind of churn again for a
while. Unless we decide to switch to asciidoc or something...:)
- Lots of typo fixes, warning fixes, and more.
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Merge tag 'docs-5.9' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It's been a busy cycle for documentation - hopefully the busiest for a
while to come. Changes include:
- Some new Chinese translations
- Progress on the battle against double words words and non-HTTPS
URLs
- Some block-mq documentation
- More RST conversions from Mauro. At this point, that task is
essentially complete, so we shouldn't see this kind of churn again
for a while. Unless we decide to switch to asciidoc or
something...:)
- Lots of typo fixes, warning fixes, and more"
* tag 'docs-5.9' of git://git.lwn.net/linux: (195 commits)
scripts/kernel-doc: optionally treat warnings as errors
docs: ia64: correct typo
mailmap: add entry for <alobakin@marvell.com>
doc/zh_CN: add cpu-load Chinese version
Documentation/admin-guide: tainted-kernels: fix spelling mistake
MAINTAINERS: adjust kprobes.rst entry to new location
devices.txt: document rfkill allocation
PCI: correct flag name
docs: filesystems: vfs: correct flag name
docs: filesystems: vfs: correct sync_mode flag names
docs: path-lookup: markup fixes for emphasis
docs: path-lookup: more markup fixes
docs: path-lookup: fix HTML entity mojibake
CREDITS: Replace HTTP links with HTTPS ones
docs: process: Add an example for creating a fixes tag
doc/zh_CN: add Chinese translation prefer section
doc/zh_CN: add clearing-warn-once Chinese version
doc/zh_CN: add admin-guide index
doc:it_IT: process: coding-style.rst: Correct __maybe_unused compiler label
futex: MAINTAINERS: Re-add selftests directory
...
Abstract platform specific mechanics for nvdimm firmware activation
behind a handful of generic ops. At the bus level ->activate_state()
indicates the unified state (idle, busy, armed) of all DIMMs on the bus,
and ->capability() indicates the system state expectations for activate.
At the DIMM level ->activate_state() indicates the per-DIMM state,
->activate_result() indicates the outcome of the last activation
attempt, and ->arm() attempts to transition the DIMM from 'idle' to
'armed'.
A new hibernate_quiet_exec() facility is added to support firmware
activation in an OS defined system quiesce state. It leverages the fact
that the hibernate-freeze state wants to assert that a memory
hibernation snapshot can be taken. This is in contrast to a platform
firmware defined quiesce state that may forcefully quiet the memory
controller independent of whether an individual device-driver properly
supports hibernate-freeze.
The libnvdimm sysfs interface is extended to support detection of a
firmware activate capability. The mechanism supports enumeration and
triggering of firmware activate, optionally in the
hibernate_quiet_exec() context.
[rafael: hibernate_quiet_exec() proposal]
[vishal: fix up sparse warning, grammar in Documentation/]
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Co-developed-by: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Signed-off-by: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
The pldmfw library is used to implement common logic needed to flash
devices based on firmware files using the format described by the PLDM
for Firmware Update standard.
This library consists of logic to parse the PLDM file format from
a firmware file object, as well as common logic for sending the relevant
PLDM header data to the device firmware.
A simple ops table is provided so that device drivers can implement
device specific hardware interactions while keeping the common logic to
the pldmfw library.
This library will be used by the Intel ice networking driver as part of
implementing device flash update via devlink. The library aims to be
vendor and device agnostic. For this reason, it has been placed in
lib/pldmfw, in the hopes that other devices which use the PLDM firmware
file format may benefit from it in the future. However, do note that not
all features defined in the PLDM standard have been implemented.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge 5.8-rc7 into staging-next
We need the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 5.8-rc7 into tty-next
we need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge 5.8-rc7 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The UDP reuseport conflict was a little bit tricky.
The net-next code, via bpf-next, extracted the reuseport handling
into a helper so that the BPF sk lookup code could invoke it.
At the same time, the logic for reuseport handling of unconnected
sockets changed via commit efc6b6f6c3
which changed the logic to carry on the reuseport result into the
rest of the lookup loop if we do not return immediately.
This requires moving the reuseport_has_conns() logic into the callers.
While we are here, get rid of inline directives as they do not belong
in foo.c files.
The other changes were cases of more straightforward overlapping
modifications.
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch changes:
1) Fix typo in kernel connector documentation.
s/cn_netlink_send_multi/cn_netlink_send_mult/
2) update definition of struct cn_msg
Signed-off-by: Wang Long <w@laoqinren.net>
Link: https://lore.kernel.org/r/1595229852-114071-1-git-send-email-w@laoqinren.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This contains few core changes and bunch of Intel driver updates:
- Adds definitions for 1.2 spec
- Sanyog left as a MAINTAINER and Bard took his place while Sanyog
is a reviewer now.
- Intel: Lots of updates to stream/dai handling, wake support and link
synchronization.
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Merge tag 'soundwire-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into char-misc-next
Vinod writes:
soundwire updates for 5.9-rc1
This contains few core changes and bunch of Intel driver updates:
- Adds definitions for 1.2 spec
- Sanyog left as a MAINTAINER and Bard took his place while Sanyog
is a reviewer now.
- Intel: Lots of updates to stream/dai handling, wake support and link
synchronization.
* tag 'soundwire-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: (31 commits)
Soundwire: intel_init: save Slave(s) _ADR info in sdw_intel_ctx
soundwire: intel: add wake interrupt support
soundwire: intel/cadence: merge Soundwire interrupt handlers/threads
soundwire: intel_init: use EXPORT_SYMBOL_NS
soundwire: intel_init: add implementation of sdw_intel_enable_irq()
soundwire: intel: introduce helper for link synchronization
soundwire: intel: introduce a helper to arm link synchronization
soundwire: intel: revisit SHIM programming sequences.
soundwire: intel: reuse code for wait loops to set/clear bits
soundwire: fix the kernel-doc comment
soundwire: sdw.h: fix indentation
soundwire: sdw.h: fix PRBS/Static_1 swapped definitions
soundwire: intel: don't free dma_data in DAI shutdown
soundwire: cadence: allocate/free dma_data in set_sdw_stream
soundwire: intel: remove stream allocation/free
soundwire: stream: add helper to startup/shutdown streams
soundwire: intel: implement get_sdw_stream() operations
MAINTAINERS: change SoundWire maintainer
soundwire: bus: initialize bus clock base and scale registers
soundwire: extend SDW_SLAVE_ENTRY
...
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200718133452.24290-1-grandmaster@al2klimov.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Comes up every few years, gets somewhat tedious to discuss, let's
write this down once and for all.
What I'm not sure about is whether the text should be more explicit in
flat out mandating the amdkfd eviction fences for long running compute
workloads or workloads where userspace fencing is allowed.
v2: Now with dot graph!
v3: Typo (Dave Airlie)
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@intel.com>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Stone <daniels@collabora.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Jesse Natalie <jenatali@microsoft.com>
Cc: Steve Pronovost <spronovo@microsoft.com>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Thomas Hellstrom <thomas.hellstrom@intel.com>
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Cc: linux-rdma@vger.kernel.org
Cc: amd-gfx@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200709123339.547390-1-daniel.vetter@ffwll.ch
Two in one go:
- it is allowed to call dma_fence_wait() while holding a
dma_resv_lock(). This is fundamental to how eviction works with ttm,
so required.
- it is allowed to call dma_fence_wait() from memory reclaim contexts,
specifically from shrinker callbacks (which i915 does), and from mmu
notifier callbacks (which amdgpu does, and which i915 sometimes also
does, and probably always should, but that's kinda a debate). Also
for stuff like HMM we really need to be able to do this, or things
get real dicey.
Consequence is that any critical path necessary to get to a
dma_fence_signal for a fence must never a) call dma_resv_lock nor b)
allocate memory with GFP_KERNEL. Also by implication of
dma_resv_lock(), no userspace faulting allowed. That's some supremely
obnoxious limitations, which is why we need to sprinkle the right
annotations to all relevant paths.
The one big locking context we're leaving out here is mmu notifiers,
added in
commit 23b68395c7
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon Aug 26 22:14:21 2019 +0200
mm/mmu_notifiers: add a lockdep map for invalidate_range_start/end
that one covers a lot of other callsites, and it's also allowed to
wait on dma-fences from mmu notifiers. But there's no ready-made
functions exposed to prime this, so I've left it out for now.
v2: Also track against mmu notifier context.
v3: kerneldoc to spec the cross-driver contract. Note that currently
i915 throws in a hard-coded 10s timeout on foreign fences (not sure
why that was done, but it's there), which is why that rule is worded
with SHOULD instead of MUST.
Also some of the mmu_notifier/shrinker rules might surprise SoC
drivers, I haven't fully audited them all. Which is infeasible anyway,
we'll need to run them with lockdep and dma-fence annotations and see
what goes boom.
v4: A spelling fix from Mika
v5: #ifdef for CONFIG_MMU_NOTIFIER. Reported by 0day. Unfortunately
this means lockdep enforcement is slightly inconsistent, it won't spot
GFP_NOIO and GFP_NOFS allocations in the wrong spot if
CONFIG_MMU_NOTIFIER is disabled in the kernel config. Oh well.
v5: Note that only drivers/gpu has a reasonable (or at least
historical) excuse to use dma_fence_wait() from shrinker and mmu
notifier callbacks. Everyone else should either have a better memory
manager model, or better hardware. This reflects discussions with
Jason Gunthorpe.
Cc: Jason Gunthorpe <jgg@mellanox.com>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: kernel test robot <lkp@intel.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@intel.com> (v4)
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Thomas Hellstrom <thomas.hellstrom@intel.com>
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Cc: linux-rdma@vger.kernel.org
Cc: amd-gfx@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200707201229.472834-3-daniel.vetter@ffwll.ch
Design is similar to the lockdep annotations for workers, but with
some twists:
- We use a read-lock for the execution/worker/completion side, so that
this explicit annotation can be more liberally sprinkled around.
With read locks lockdep isn't going to complain if the read-side
isn't nested the same way under all circumstances, so ABBA deadlocks
are ok. Which they are, since this is an annotation only.
- We're using non-recursive lockdep read lock mode, since in recursive
read lock mode lockdep does not catch read side hazards. And we
_very_ much want read side hazards to be caught. For full details of
this limitation see
commit e914985897
Author: Peter Zijlstra <peterz@infradead.org>
Date: Wed Aug 23 13:13:11 2017 +0200
locking/lockdep/selftests: Add mixed read-write ABBA tests
- To allow nesting of the read-side explicit annotations we explicitly
keep track of the nesting. lock_is_held() allows us to do that.
- The wait-side annotation is a write lock, and entirely done within
dma_fence_wait() for everyone by default.
- To be able to freely annotate helper functions I want to make it ok
to call dma_fence_begin/end_signalling from soft/hardirq context.
First attempt was using the hardirq locking context for the write
side in lockdep, but this forces all normal spinlocks nested within
dma_fence_begin/end_signalling to be spinlocks. That bollocks.
The approach now is to simple check in_atomic(), and for these cases
entirely rely on the might_sleep() check in dma_fence_wait(). That
will catch any wrong nesting against spinlocks from soft/hardirq
contexts.
The idea here is that every code path that's critical for eventually
signalling a dma_fence should be annotated with
dma_fence_begin/end_signalling. The annotation ideally starts right
after a dma_fence is published (added to a dma_resv, exposed as a
sync_file fd, attached to a drm_syncobj fd, or anything else that
makes the dma_fence visible to other kernel threads), up to and
including the dma_fence_wait(). Examples are irq handlers, the
scheduler rt threads, the tail of execbuf (after the corresponding
fences are visible), any workers that end up signalling dma_fences and
really anything else. Not annotated should be code paths that only
complete fences opportunistically as the gpu progresses, like e.g.
shrinker/eviction code.
The main class of deadlocks this is supposed to catch are:
Thread A:
mutex_lock(A);
mutex_unlock(A);
dma_fence_signal();
Thread B:
mutex_lock(A);
dma_fence_wait();
mutex_unlock(A);
Thread B is blocked on A signalling the fence, but A never gets around
to that because it cannot acquire the lock A.
Note that dma_fence_wait() is allowed to be nested within
dma_fence_begin/end_signalling sections. To allow this to happen the
read lock needs to be upgraded to a write lock, which means that any
other lock is acquired between the dma_fence_begin_signalling() call and
the call to dma_fence_wait(), and still held, this will result in an
immediate lockdep complaint. The only other option would be to not
annotate such calls, defeating the point. Therefore these annotations
cannot be sprinkled over the code entirely mindless to avoid false
positives.
Originally I hope that the cross-release lockdep extensions would
alleviate the need for explicit annotations:
https://lwn.net/Articles/709849/
But there's a few reasons why that's not an option:
- It's not happening in upstream, since it got reverted due to too
many false positives:
commit e966eaeeb6
Author: Ingo Molnar <mingo@kernel.org>
Date: Tue Dec 12 12:31:16 2017 +0100
locking/lockdep: Remove the cross-release locking checks
This code (CONFIG_LOCKDEP_CROSSRELEASE=y and CONFIG_LOCKDEP_COMPLETIONS=y),
while it found a number of old bugs initially, was also causing too many
false positives that caused people to disable lockdep - which is arguably
a worse overall outcome.
- cross-release uses the complete() call to annotate the end of
critical sections, for dma_fence that would be dma_fence_signal().
But we do not want all dma_fence_signal() calls to be treated as
critical, since many are opportunistic cleanup of gpu requests. If
these get stuck there's still the main completion interrupt and
workers who can unblock everyone. Automatically annotating all
dma_fence_signal() calls would hence cause false positives.
- cross-release had some educated guesses for when a critical section
starts, like fresh syscall or fresh work callback. This would again
cause false positives without explicit annotations, since for
dma_fence the critical sections only starts when we publish a fence.
- Furthermore there can be cases where a thread never does a
dma_fence_signal, but is still critical for reaching completion of
fences. One example would be a scheduler kthread which picks up jobs
and pushes them into hardware, where the interrupt handler or
another completion thread calls dma_fence_signal(). But if the
scheduler thread hangs, then all the fences hang, hence we need to
manually annotate it. cross-release aimed to solve this by chaining
cross-release dependencies, but the dependency from scheduler thread
to the completion interrupt handler goes through hw where
cross-release code can't observe it.
In short, without manual annotations and careful review of the start
and end of critical sections, cross-relese dependency tracking doesn't
work. We need explicit annotations.
v2: handle soft/hardirq ctx better against write side and dont forget
EXPORT_SYMBOL, drivers can't use this otherwise.
v3: Kerneldoc.
v4: Some spelling fixes from Mika
v5: Amend commit message to explain in detail why cross-release isn't
the solution.
v6: Pull out misplaced .rst hunk.
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Thomas Hellstrom <thomas.hellstrom@intel.com>
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
Cc: linux-rdma@vger.kernel.org
Cc: amd-gfx@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200707201229.472834-2-daniel.vetter@ffwll.ch
PVRUSB2 VIDEO4LINUX DRIVER: Replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add below to “Ancillary clock features” section
- Low Pass Filter (LPF) access from user space
Add below to list of “Supported hardware” section
+ Renesas (IDT) ClockMatrix™
Signed-off-by: Min Li <min.li.xe@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some new devices, but particularly good this time is the core rework coming
from Alexandru. Some of this has been in Analog's tree a long time, but other
parts are motivated by closing down common mistakes in new drivers.
Changes since first try at this pull request:
* Add missed patch to actually remove iio_priv_to_dev and as a result
also drop a few ingenic patches that need to be updated to take this
into account.
* Fix an ordering issue int he pollfunc attach in the core rework.
New device support
* qcom pmic7 adc
- New driver using common qcom-vadc library. Some associated cleanups and
refactors.
* invensense icm42600
- New driver supporting icm42600, icm42602, icm42605 and icm42622 via i2c
or spi. These are all 6 axis IMUs with gyro and accelerometers.
Driver supports buffered modes using the hardware fifo and interpolation
for accurate timestamps.
* sensirion scd30
- New driver for this carbon dioxide sensor including i2c and serial
interfaces + bindings.
Features
* ak8975
- Add reset gpio support.
* bma400
- Support SPI.
* bmc150
- Document and add support for bmc156b and bmm150b, tidy up _magn endings.
* bmi160
- Regulator and mount matrix support.
* mxc4005
- Add ID for mxc6655
* rockchip-saradc
- Triggered buffer support.
DT bindings
* qcom spmi-vadc converted to yaml + pmic7 bindings
* ak8975 tidy up and convert to yaml + add reset-gpio binding
* ingenic-adc -convert to yaml.
Core rework all carried through by Alexandru Ardelean.
* Assign parent device in the core rather than every driver. A few devices
need to provide specific non standard parents, so there is support for
overriding.
* Start to take parts of struct iio_dev opaque to the drivers.
This will be a long term job, but should reduce the number of drivers
we get that use parts that are currently only 'internal' by documentation.
* Move attach and detach of pollfunc to the core. Every triggered buffer
using driver had to do the same thing, so lets do it in the core. The
hard part here was getting all the drivers into canonical form so there
would be no functional changes in this final patch. That's taken quite
a lot of work over last couple of cycles!
Cleanups and minor fixes.
* docs
- Improve IIO_CONCENTRATION channel type description in ABI docs.
- Drop doubled word cases.
- Http to Https conversion.
* core
- Make iio_device_get_drvdata take a const struct iio_dev * avoiding some
nasty casts.
* ADCs
- Drop lots of users of of_match_ptr macro, includes of mod_devicetable.h
and CONFIG_OF protections. These prevent use of ACPI PRP0001 with these
drivers and get coppied into lots of new drivers.
* ad5380
- Constify iio_chan_spec_ext_info
* ad5592r
- Constify iio_chan_spec_ext_info
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* ad8366
- Make gpio optional as doesn't matter if its there or not.
* adis16480
- Use irq types instead of the flags.
* atlas-ezo-sensor
- Minimize scope of ret variable.
* at91-adc
- Add COMPILE_TEST dependency to driver to improve build coverage.
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* at91-sama5d2
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
- Drop Ludovic as a co-maintaienr.
* cros_ec
- Reapply the range after resume.
- Add a read only frequency entry for legacy version.
- Typo fixes
* hts221
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* inv_mpu
- Drop double check on ACPI companion device.
* iqs621
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* iqs624
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* max11100
- Constify iio_chan_spec
* mmc35240
- Constify reg_default
* rockchip-saradc
- Move to managed allocators for everything in probe.
- Use more distinctive prefix for channel macros.
* stk3310
- Constify regmap_config.
* stm32-adc
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* stm32-dfsdm-adc
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* ti-am335x
- Use managed allocations where straight forward in probe function.
* tsl2563
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
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Merge tag 'iio-for-5.9a-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of new device support, cleanups and features for IIO in the 5.9 cycle
Some new devices, but particularly good this time is the core rework coming
from Alexandru. Some of this has been in Analog's tree a long time, but other
parts are motivated by closing down common mistakes in new drivers.
Changes since first try at this pull request:
* Add missed patch to actually remove iio_priv_to_dev and as a result
also drop a few ingenic patches that need to be updated to take this
into account.
* Fix an ordering issue int he pollfunc attach in the core rework.
New device support
* qcom pmic7 adc
- New driver using common qcom-vadc library. Some associated cleanups and
refactors.
* invensense icm42600
- New driver supporting icm42600, icm42602, icm42605 and icm42622 via i2c
or spi. These are all 6 axis IMUs with gyro and accelerometers.
Driver supports buffered modes using the hardware fifo and interpolation
for accurate timestamps.
* sensirion scd30
- New driver for this carbon dioxide sensor including i2c and serial
interfaces + bindings.
Features
* ak8975
- Add reset gpio support.
* bma400
- Support SPI.
* bmc150
- Document and add support for bmc156b and bmm150b, tidy up _magn endings.
* bmi160
- Regulator and mount matrix support.
* mxc4005
- Add ID for mxc6655
* rockchip-saradc
- Triggered buffer support.
DT bindings
* qcom spmi-vadc converted to yaml + pmic7 bindings
* ak8975 tidy up and convert to yaml + add reset-gpio binding
* ingenic-adc -convert to yaml.
Core rework all carried through by Alexandru Ardelean.
* Assign parent device in the core rather than every driver. A few devices
need to provide specific non standard parents, so there is support for
overriding.
* Start to take parts of struct iio_dev opaque to the drivers.
This will be a long term job, but should reduce the number of drivers
we get that use parts that are currently only 'internal' by documentation.
* Move attach and detach of pollfunc to the core. Every triggered buffer
using driver had to do the same thing, so lets do it in the core. The
hard part here was getting all the drivers into canonical form so there
would be no functional changes in this final patch. That's taken quite
a lot of work over last couple of cycles!
Cleanups and minor fixes.
* docs
- Improve IIO_CONCENTRATION channel type description in ABI docs.
- Drop doubled word cases.
- Http to Https conversion.
* core
- Make iio_device_get_drvdata take a const struct iio_dev * avoiding some
nasty casts.
* ADCs
- Drop lots of users of of_match_ptr macro, includes of mod_devicetable.h
and CONFIG_OF protections. These prevent use of ACPI PRP0001 with these
drivers and get coppied into lots of new drivers.
* ad5380
- Constify iio_chan_spec_ext_info
* ad5592r
- Constify iio_chan_spec_ext_info
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* ad8366
- Make gpio optional as doesn't matter if its there or not.
* adis16480
- Use irq types instead of the flags.
* atlas-ezo-sensor
- Minimize scope of ret variable.
* at91-adc
- Add COMPILE_TEST dependency to driver to improve build coverage.
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* at91-sama5d2
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
- Drop Ludovic as a co-maintaienr.
* cros_ec
- Reapply the range after resume.
- Add a read only frequency entry for legacy version.
- Typo fixes
* hts221
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* inv_mpu
- Drop double check on ACPI companion device.
* iqs621
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* iqs624
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* max11100
- Constify iio_chan_spec
* mmc35240
- Constify reg_default
* rockchip-saradc
- Move to managed allocators for everything in probe.
- Use more distinctive prefix for channel macros.
* stk3310
- Constify regmap_config.
* stm32-adc
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* stm32-dfsdm-adc
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* ti-am335x
- Use managed allocations where straight forward in probe function.
* tsl2563
- Avoid use of iio_priv_to_dev (precursor to taking parts of iio_dev opaque)
* tag 'iio-for-5.9a-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (107 commits)
iio: buffer: fix attach/detach pollfunc order
iio: core: remove iio_priv_to_dev() helper
Replace HTTP links with HTTPS ones: drivers/iio
Replace HTTP links with HTTPS ones: Documentation/devicetree/bindings/iio
dt-bindings: iio/adc: Convert ingenic-adc docs to YAML.
iio: cros_ec_accel_legacy: Add Read Only frequency entries
MAINTAINERS: adc: at91-sama5d2_adc: remove myself as co-maintainer
iio: adc: ti_am335x_adc: alloc kfifo & IRQ via devm_ functions
iio: adc: ti_am335x_adc: alloc channels via devm_kcalloc()
iio:adc:ingenic: drop of_match_ptr protection and include mod_devicetable.h
iio:adc:ti-tlc4541: Drop CONFIG_OF and of_match_ptr protections.
iio:adc:ti-adc161s626: Drop of_match_ptr protection.
iio:adc:ti-adc084s021: drop of_match_ptr protection
iio:adc:ti-adc0832: drop CONFIG_OF and of_match_ptr protections
iio:adc:ti-adc081c: Drop of_match_ptr and change to mod_devicetable.h
iio:adc:sd_adc_modulator: Drop of_match_ptr and tweak includes
iio:adc:mcp3422: remove CONFIG_OF and of_match_ptr protections
iio:adc:mcp320x: Drop CONFIG_OF and of_match_ptr protections
iio:adc:max1118: Drop CONFIG_OF / of_match_ptr protections
iio:adc:max11100: Drop of_match_ptr protection / add mod_devicetable.h include
...
DMA engines used with displays perform 2D interleaved transfers to read
framebuffers from memory and feed the data to the display engine. As the
same framebuffer can be displayed for multiple frames, the DMA
transactions need to be repeated until a new framebuffer replaces the
current one. This feature is implemented natively by some DMA engines
that have the ability to repeat transactions and switch to a new
transaction at the end of a transfer without any race condition or frame
loss.
This patch implements support for this feature in the DMA engine API. A
new DMA_PREP_REPEAT transaction flag allows DMA clients to instruct the
DMA channel to repeat the transaction automatically until one or more
new transactions are issued on the channel (or until all active DMA
transfers are explicitly terminated with the dmaengine_terminate_*()
functions). A new DMA_REPEAT transaction type is also added for DMA
engine drivers to report their support of the DMA_PREP_REPEAT flag.
A new DMA_PREP_LOAD_EOT transaction flag is also introduced (with a
corresponding DMA_LOAD_EOT capability bit), as requested during the
review of v4. The flag instructs the DMA channel that the transaction
being queued should replace the active repeated transaction when the
latter terminates (at End Of Transaction). Not setting the flag will
result in the active repeated transaction to continue being repeated,
and the new transaction being silently ignored.
The DMA_PREP_REPEAT flag is currently supported for interleaved
transactions only. Its usage can easily be extended to cover more
transaction types simply by adding an appropriate check in the
corresponding dmaengine_prep_*() function.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200717013337.24122-3-laurent.pinchart@ideasonboard.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
To handle streams at the dailink level, expose two helpers that will
be called from machine drivers.
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200630184356.24939-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200708202417.22375-1-grandmaster@al2klimov.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200713112657.33694-1-grandmaster@al2klimov.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Drop the doubled word "struct".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: linux-iio@vger.kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Drop the doubled word "the".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: linux-iio@vger.kernel.org
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fix up inconsistent usage of upper and lowercase letters in "Samsung"
and "Exynos" names.
"SAMSUNG" and "EXYNOS" are not abbreviations but regular trademarked
names. Therefore they should be written with lowercase letters starting
with capital letter.
The lowercase "Exynos" name is promoted by its manufacturer Samsung
Electronics Co., Ltd., in advertisement materials and on website.
Although advertisement materials usually use uppercase "SAMSUNG", the
lowercase version is used in all legal aspects (e.g. on Wikipedia and in
privacy/legal statements on
https://www.samsung.com/semiconductor/privacy-global/).
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Implement a managed variant of of_mdiobus_register(). We need to make
mdio_devres into its own module because otherwise we'd hit circular
sumbol dependencies between phylib and of_mdio.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We currently have two managed helpers for mdiobus - devm_mdiobus_alloc()
and devm_mdiobus_register(). The idea behind devres is that the release
callback releases whatever resource the devm function allocates. In the
mdiobus case however there's no devres associated with the device by
devm_mdiobus_register(). Instead the release callback for
devm_mdiobus_alloc(): _devm_mdiobus_free() unregisters the device if
it is marked as managed.
This all seems wrong. The managed structure shouldn't need to know or
care about whether it's managed or not - and this is the case now for
struct mii_bus. The devres wrapper should be opaque to the managed
resource.
This changeset makes devm_mdiobus_alloc() and devm_mdiobus_register()
conform to common devres standards: devm_mdiobus_alloc() allocates a
devres structure and registers a callback that will call mdiobus_free().
__devm_mdiobus_register() allocated another devres and registers a
callback that will unregister the bus.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We have a devres variant of mdiobus_register() but it's not listed in
devres.rst. Add it under other mdio devm functions.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some conflicts with ttm_bo->offset removal, but drm-misc-next needs updating to v5.8.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200621133512.46311-1-grandmaster@al2klimov.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Just some tiny edits:
- fix link to struct dma_fence
- give slightly more meaningful title - the polling here is about
implicit fences, explicit fences (in sync_file or drm_syncobj) also
have their own polling
v2: I misplaced the .rst include change corresponding to this patch.
Reviewed-by: Thomas Hellstrom <thomas.hellstrom@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200612070535.1778368-1-daniel.vetter@ffwll.ch
- Place the txt index inside a comment;
- Use title and chapter markups;
- Adjust markups for numbered list;
- Mark literal blocks as such;
- Use tables markup.
- Adjust indentation when needed.
Acked-By: Vinod Koul <vkoul@kernel.org> # dmaengine
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/98977242130efe86d1200f7a167299d4c1c205c5.1592203650.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Despite being named with .rst extension, this file doesn't
match the ReST standard. It actually causes a crash at
Sphinx:
Sphinx parallel build error:
docutils.utils.SystemMessage: /devel/v4l/docs/Documentation/driver-api/thermal/cpu-idle-cooling.rst:69: (SEVERE/4) Unexpected section title.
Add needed markups for it to be properly parsed.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/7640755514809a7b5fe2756f3702613865877dcb.1592203650.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Move away from the deprecated API and advertise the new one.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The cookie tracking in dmaengine expects all submissions completed in
order. Some DMA devices like Intel DSA can complete submissions out of
order, especially if configured with a work queue sharing multiple DMA
engines. Add a status DMA_OUT_OF_ORDER that tx_status can be returned for
those DMA devices. The user should use callbacks to track the completion
rather than the DMA cookie. This would address the issue of dmatest
complaining that descriptors are "busy" when the cookie count goes
backwards due to out of order completion. Add DMA_COMPLETION_NO_ORDER
DMA capability to allow the driver to flag the device's ability to complete
operations out of order.
Reported-by: Swathi Kovvuri <swathi.kovvuri@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Tested-by: Swathi Kovvuri <swathi.kovvuri@intel.com>
Link: https://lore.kernel.org/r/158939557151.20335.12404113976045569870.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Merge tag 'media/v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull more media updates from Mauro Carvalho Chehab:
- a set of atomisp patches. They remove several abstraction layers, and
fixes clang and gcc warnings (that were hidden via some macros that
were disabling 4 or 5 types of warnings there). There are also some
important fixes and sensor auto-detection on newer BIOSes via ACPI
_DCM tables.
- some fixes
* tag 'media/v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (95 commits)
media: rkvdec: Fix H264 scaling list order
media: v4l2-ctrls: Unset correct HEVC loop filter flag
media: videobuf2-dma-contig: fix bad kfree in vb2_dma_contig_clear_max_seg_size
media: v4l2-subdev.rst: correct information about v4l2 events
media: s5p-mfc: Properly handle dma_parms for the allocated devices
media: medium: cec: Make MEDIA_CEC_SUPPORT default to n if !MEDIA_SUPPORT
media: cedrus: Implement runtime PM
media: cedrus: Program output format during each run
media: atomisp: improve ACPI/DMI detection logs
media: Revert "media: atomisp: add Asus Transform T101HA ACPI vars"
media: Revert "media: atomisp: Add some ACPI detection info"
media: atomisp: improve sensor detection code to use _DSM table
media: atomisp: get rid of an iomem abstraction layer
media: atomisp: get rid of a string_support.h abstraction layer
media: atomisp: use strscpy() instead of less secure variants
media: atomisp: set DFS to MAX if sensor doesn't report fps
media: atomisp: use different dfs failed messages
media: atomisp: change the detection of ISP2401 at runtime
media: atomisp: use macros from intel-family.h
media: atomisp: don't set hpll_freq twice with different values
...
Remove description of non-existing v4l2_subdev.nevents and replace the
undefined flag V4L2_SUBDEV_USES_EVENTS by the correct flag
V4L2_SUBDEV_FL_HAS_EVENTS, which is already documented in v4l2_subdev.flags
Fixes: commit 02adb1cc76 ("[media] v4l: subdev: Events support")
Signed-off-by: Michael Rodin <mrodin@de.adit-jv.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
HTTP links to HTTPS that had to be yanked and redone before the first
pull.
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Merge tag 'docs-5.8-2' of git://git.lwn.net/linux
Pull more documentation updates from Jonathan Corbet:
"A handful of late-arriving docs fixes, along with a patch changing a
lot of HTTP links to HTTPS that had to be yanked and redone before the
first pull"
* tag 'docs-5.8-2' of git://git.lwn.net/linux:
docs/memory-barriers.txt/kokr: smp_mb__{before,after}_atomic(): update Documentation
Documentation: devres: add missing entry for devm_platform_get_and_ioremap_resource()
Replace HTTP links with HTTPS ones: documentation
docs: it_IT: address invalid reference warnings
doc: zh_CN: use doc reference to resolve undefined label warning
docs: Update the location of the LF NDA program
docs: dev-tools: coccinelle: underlines
* partition parser: Support MTD names containing one or more colons.
* mtdblock: clear cache_state to avoid writing to bad blocks repeatedly.
Raw NAND core changes:
* Stop using nand_release(), patched all drivers.
* Give more information about the ECC weakness when not matching the
chip's requirement.
* MAINTAINERS updates.
* Support emulated SLC mode on MLC NANDs.
* Support "constrained" controllers, adapt the core and ONFI/JEDEC
table parsing and Micron's code.
* Take check_only into account.
* Add an invalid ECC mode to discriminate with valid ones.
* Return an enum from of_get_nand_ecc_algo().
* Drop OOB_FIRST placement scheme.
* Introduce nand_extract_bits().
* Ensure a consistent bitflips numbering.
* BCH lib:
- Allow easy bit swapping.
- Rework a little bit the exported function names.
* Fix nand_gpio_waitrdy().
* Propage CS selection to sub operations.
* Add a NAND_NO_BBM_QUIRK flag.
* Give the possibility to verify a read operation is supported.
* Add a helper to check supported operations.
* Avoid indirect access to ->data_buf().
* Rename the use_bufpoi variables.
* Fix comments about the use of bufpoi.
* Rename a NAND chip option.
* Reorder the nand_chip->options flags.
* Translate obscure bitfields into readable macros.
* Timings:
- Fix default values.
- Add mode information to the timings structure.
Raw NAND controller driver changes:
* Fixed many error paths.
* Arasan
- New driver
* Au1550nd:
- Various cleanups
- Migration to ->exec_op()
* brcmnand:
- Misc cleanup.
- Support v2.1-v2.2 controllers.
- Remove unused including <linux/version.h>.
- Correctly verify erased pages.
- Fix Hamming OOB layout.
* Cadence
- Make cadence_nand_attach_chip static.
* Cafe:
- Set the NAND_NO_BBM_QUIRK flag
* cmx270:
- Remove this controller driver.
* cs553x:
- Misc cleanup
- Migration to ->exec_op()
* Davinci:
- Misc cleanup.
- Migration to ->exec_op()
* Denali:
- Add more delays before latching incoming data
* Diskonchip:
- Misc cleanup
- Migration to ->exec_op()
* Fsmc:
- Change to non-atomic bit operations.
* GPMI:
- Use nand_extract_bits()
- Fix runtime PM imbalance.
* Ingenic:
- Migration to exec_op()
- Fix the RB gpio active-high property on qi, lb60
- Make qi_lb60_ooblayout_ops static.
* Marvell:
- Misc cleanup and small fixes
* Nandsim:
- Fix the error paths, driver wide.
* Omap_elm:
- Fix runtime PM imbalance.
* STM32_FMC2:
- Misc cleanups (error cases, comments, timeout valus, cosmetic
changes).
SPI NOR core changes:
* Add, update support and fix few flashes.
* Prepare BFPT parsing for JESD216 rev D.
* Kernel doc fixes.
CFI changes:
* Support the absence of protection registers for Intel CFI flashes.
* Replace zero-length array with flexible-arrays.
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Merge tag 'mtd/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Richard Weinberger:
"MTD core changes:
- partition parser: Support MTD names containing one or more colons.
- mtdblock: clear cache_state to avoid writing to bad blocks
repeatedly.
Raw NAND core changes:
- Stop using nand_release(), patched all drivers.
- Give more information about the ECC weakness when not matching the
chip's requirement.
- MAINTAINERS updates.
- Support emulated SLC mode on MLC NANDs.
- Support "constrained" controllers, adapt the core and ONFI/JEDEC
table parsing and Micron's code.
- Take check_only into account.
- Add an invalid ECC mode to discriminate with valid ones.
- Return an enum from of_get_nand_ecc_algo().
- Drop OOB_FIRST placement scheme.
- Introduce nand_extract_bits().
- Ensure a consistent bitflips numbering.
- BCH lib:
- Allow easy bit swapping.
- Rework a little bit the exported function names.
- Fix nand_gpio_waitrdy().
- Propage CS selection to sub operations.
- Add a NAND_NO_BBM_QUIRK flag.
- Give the possibility to verify a read operation is supported.
- Add a helper to check supported operations.
- Avoid indirect access to ->data_buf().
- Rename the use_bufpoi variables.
- Fix comments about the use of bufpoi.
- Rename a NAND chip option.
- Reorder the nand_chip->options flags.
- Translate obscure bitfields into readable macros.
- Timings:
- Fix default values.
- Add mode information to the timings structure.
Raw NAND controller driver changes:
- Fixed many error paths.
- Arasan
- New driver
- Au1550nd:
- Various cleanups
- Migration to ->exec_op()
- brcmnand:
- Misc cleanup.
- Support v2.1-v2.2 controllers.
- Remove unused including <linux/version.h>.
- Correctly verify erased pages.
- Fix Hamming OOB layout.
- Cadence
- Make cadence_nand_attach_chip static.
- Cafe:
- Set the NAND_NO_BBM_QUIRK flag
- cmx270:
- Remove this controller driver.
- cs553x:
- Misc cleanup
- Migration to ->exec_op()
- Davinci:
- Misc cleanup.
- Migration to ->exec_op()
- Denali:
- Add more delays before latching incoming data
- Diskonchip:
- Misc cleanup
- Migration to ->exec_op()
- Fsmc:
- Change to non-atomic bit operations.
- GPMI:
- Use nand_extract_bits()
- Fix runtime PM imbalance.
- Ingenic:
- Migration to exec_op()
- Fix the RB gpio active-high property on qi, lb60
- Make qi_lb60_ooblayout_ops static.
- Marvell:
- Misc cleanup and small fixes
- Nandsim:
- Fix the error paths, driver wide.
- Omap_elm:
- Fix runtime PM imbalance.
- STM32_FMC2:
- Misc cleanups (error cases, comments, timeout valus, cosmetic
changes).
SPI NOR core changes:
- Add, update support and fix few flashes.
- Prepare BFPT parsing for JESD216 rev D.
- Kernel doc fixes.
CFI changes:
- Support the absence of protection registers for Intel CFI flashes.
- Replace zero-length array with flexible-arrays"
* tag 'mtd/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (208 commits)
mtd: clear cache_state to avoid writing to bad blocks repeatedly
mtd: parser: cmdline: Support MTD names containing one or more colons
mtd: physmap_of_gemini: remove defined but not used symbol 'syscon_match'
mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones
mtd: rawnand: Return an enum from of_get_nand_ecc_algo()
mtd: rawnand: Drop OOB_FIRST placement scheme
mtd: rawnand: Avoid a typedef
mtd: Fix typo in mtd_ooblayout_set_databytes() description
mtd: rawnand: Stop using nand_release()
mtd: rawnand: nandsim: Reorganize ns_cleanup_module()
mtd: rawnand: nandsim: Rename a label in ns_init_module()
mtd: rawnand: nandsim: Manage lists on error in ns_init_module()
mtd: rawnand: nandsim: Fix the label pointing on nand_cleanup()
mtd: rawnand: nandsim: Free erase_block_wear on error
mtd: rawnand: nandsim: Use an additional label when freeing the nandsim object
mtd: rawnand: nandsim: Stop using nand_release()
mtd: rawnand: nandsim: Free the partition names in ns_free()
mtd: rawnand: nandsim: Free the allocated device on error in ns_init()
mtd: rawnand: nandsim: Free partition names on error in ns_init()
mtd: rawnand: nandsim: Fix the two ns_alloc_device() error paths
...
The devm_platform_get_and_ioremap_resource() should be documented in
devres.rst. Add the missing entry.
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Link: https://lore.kernel.org/r/20200527144531.9376-1-zhengdejin5@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200526060544.25127-1-grandmaster@al2klimov.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Here is the large set of char/misc driver patches for 5.8-rc1
Included in here are:
- habanalabs driver updates, loads
- mhi bus driver updates
- extcon driver updates
- clk driver updates (approved by the clock maintainer)
- firmware driver updates
- fpga driver updates
- gnss driver updates
- coresight driver updates
- interconnect driver updates
- parport driver updates (it's still alive!)
- nvmem driver updates
- soundwire driver updates
- visorbus driver updates
- w1 driver updates
- various misc driver updates
In short, loads of different driver subsystem updates along with the
drivers as well.
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 'char-misc-5.8-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 large set of char/misc driver patches for 5.8-rc1
Included in here are:
- habanalabs driver updates, loads
- mhi bus driver updates
- extcon driver updates
- clk driver updates (approved by the clock maintainer)
- firmware driver updates
- fpga driver updates
- gnss driver updates
- coresight driver updates
- interconnect driver updates
- parport driver updates (it's still alive!)
- nvmem driver updates
- soundwire driver updates
- visorbus driver updates
- w1 driver updates
- various misc driver updates
In short, loads of different driver subsystem updates along with the
drivers as well.
All have been in linux-next for a while with no reported issues"
* tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (233 commits)
habanalabs: correctly cast u64 to void*
habanalabs: initialize variable to default value
extcon: arizona: Fix runtime PM imbalance on error
extcon: max14577: Add proper dt-compatible strings
extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()'
extcon: remove redundant assignment to variable idx
w1: omap-hdq: print dev_err if irq flags are not cleared
w1: omap-hdq: fix interrupt handling which did show spurious timeouts
w1: omap-hdq: fix return value to be -1 if there is a timeout
w1: omap-hdq: cleanup to add missing newline for some dev_dbg
/dev/mem: Revoke mappings when a driver claims the region
misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()
misc: xilinx-sdfec: cleanup return value in xsdfec_table_write()
misc: xilinx-sdfec: improve get_user_pages_fast() error handling
nvmem: qfprom: remove incorrect write support
habanalabs: handle MMU cache invalidation timeout
habanalabs: don't allow hard reset with open processes
habanalabs: GAUDI does not support soft-reset
habanalabs: add print for soft reset due to event
habanalabs: improve MMU cache invalidation code
...
Here is the set of driver core patches for 5.8-rc1.
Not all that huge this release, just a number of small fixes and
updates:
- software node fixes
- kobject now sends KOBJ_REMOVE when it is removed from sysfs,
not when it is removed from memory (which could come much
later)
- device link additions and fixes based on testing on more
devices
- firmware core cleanups
- other minor changes, full details in the shortlog
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-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of driver core patches for 5.8-rc1.
Not all that huge this release, just a number of small fixes and
updates:
- software node fixes
- kobject now sends KOBJ_REMOVE when it is removed from sysfs, not
when it is removed from memory (which could come much later)
- device link additions and fixes based on testing on more devices
- firmware core cleanups
- other minor changes, full details in the shortlog
All have been in linux-next for a while with no reported issues"
* tag 'driver-core-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (23 commits)
driver core: Update device link status correctly for SYNC_STATE_ONLY links
firmware_loader: change enum fw_opt to u32
software node: implement software_node_unregister()
kobject: send KOBJ_REMOVE uevent when the object is removed from sysfs
driver core: Remove unnecessary is_fwnode_dev variable in device_add()
drivers property: When no children in primary, try secondary
driver core: platform: Fix spelling errors in platform.c
driver core: Remove check in driver_deferred_probe_force_trigger()
of: platform: Batch fwnode parsing when adding all top level devices
driver core: fw_devlink: Add support for batching fwnode parsing
driver core: Look for waiting consumers only for a fwnode's primary device
driver core: Move code to the right part of the file
Revert "Revert "driver core: Set fw_devlink to "permissive" behavior by default""
drivers: base: Fix NULL pointer exception in __platform_driver_probe() if a driver developer is foolish
firmware_loader: move fw_fallback_config to a private kernel symbol namespace
driver core: Add missing '\n' in log messages
driver/base/soc: Use kobj_to_dev() API
Add documentation on meaning of -EPROBE_DEFER
driver core: platform: remove redundant assignment to variable ret
debugfs: Use the correct style for SPDX License Identifier
...
Here is the large set of staging and IIO driver changes for 5.8-rc1
Nothing major, but a lot of new IIO drivers are included in here, along
with other core iio cleanups and changes.
On the staging driver front, again, nothing noticable. No new deletions
or additions, just a ton of tiny cleanups all over the tree done by a
lot of different people. Most coding style, but many actual real fixes
and cleanups that are nice to see.
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 'staging-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver updates from Greg KH:
"Here is the large set of staging and IIO driver changes for 5.8-rc1
Nothing major, but a lot of new IIO drivers are included in here,
along with other core iio cleanups and changes.
On the staging driver front, again, nothing noticable. No new
deletions or additions, just a ton of tiny cleanups all over the tree
done by a lot of different people. Most coding style, but many actual
real fixes and cleanups that are nice to see.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (618 commits)
staging: rtl8723bs: Use common packet header constants
staging: sm750fb: Add names to proc_setBLANK args
staging: most: usb: init return value in default path of switch/case expression
staging: vchiq: Get rid of VCHIQ_SERVICE_OPENEND callback reason
staging: vchiq: move vchiq_release_message() into vchiq
staging: vchi: Get rid of C++ guards
staging: vchi: Get rid of not implemented function declarations
staging: vchi: Get rid of vchiq_status_to_vchi()
staging: vchi: Get rid of vchi_service_set_option()
staging: vchi: Merge vchi_msg_queue() into vchi_queue_kernel_message()
staging: vchiq: Move copy callback handling into vchiq
staging: vchi: Get rid of vchi_queue_user_message()
staging: vchi: Get rid of vchi_service_destroy()
staging: most: usb: use function sysfs_streq
staging: most: usb: add missing put_device calls
staging: most: usb: use correct error codes
staging: most: usb: replace code to calculate array index
staging: most: usb: don't use error path to exit function on success
staging: most: usb: move allocation of URB out of critical section
staging: most: usb: return 0 instead of variable
...
A few large, long discussed works this time. The RNBD block driver has
been posted for nearly two years now, and the removal of FMR has been a
recurring discussion theme for a long time. The usual smattering of
features and bug fixes.
- Various small driver bugs fixes in rxe, mlx5, hfi1, and efa
- Continuing driver cleanups in bnxt_re, hns
- Big cleanup of mlx5 QP creation flows
- More consistent use of src port and flow label when LAG is used and a
mlx5 implementation
- Additional set of cleanups for IB CM
- 'RNBD' network block driver and target. This is a network block RDMA
device specific to ionos's cloud environment. It brings strong multipath
and resiliency capabilities.
- Accelerated IPoIB for HFI1
- QP/WQ/SRQ ioctl migration for uverbs, and support for multiple async fds
- Support for exchanging the new IBTA defiend ECE data during RDMA CM
exchanges
- Removal of the very old and insecure FMR interface from all ULPs and
drivers. FRWR should be preferred for at least a decade now.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"A more active cycle than most of the recent past, with a few large,
long discussed works this time.
The RNBD block driver has been posted for nearly two years now, and
flowing through RDMA due to it also introducing a new ULP.
The removal of FMR has been a recurring discussion theme for a long
time.
And the usual smattering of features and bug fixes.
Summary:
- Various small driver bugs fixes in rxe, mlx5, hfi1, and efa
- Continuing driver cleanups in bnxt_re, hns
- Big cleanup of mlx5 QP creation flows
- More consistent use of src port and flow label when LAG is used and
a mlx5 implementation
- Additional set of cleanups for IB CM
- 'RNBD' network block driver and target. This is a network block
RDMA device specific to ionos's cloud environment. It brings strong
multipath and resiliency capabilities.
- Accelerated IPoIB for HFI1
- QP/WQ/SRQ ioctl migration for uverbs, and support for multiple
async fds
- Support for exchanging the new IBTA defiend ECE data during RDMA CM
exchanges
- Removal of the very old and insecure FMR interface from all ULPs
and drivers. FRWR should be preferred for at least a decade now"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (247 commits)
RDMA/cm: Spurious WARNING triggered in cm_destroy_id()
RDMA/mlx5: Return ECE DC support
RDMA/mlx5: Don't rely on FW to set zeros in ECE response
RDMA/mlx5: Return an error if copy_to_user fails
IB/hfi1: Use free_netdev() in hfi1_netdev_free()
RDMA/hns: Uninitialized variable in modify_qp_init_to_rtr()
RDMA/core: Move and rename trace_cm_id_create()
IB/hfi1: Fix hfi1_netdev_rx_init() error handling
RDMA: Remove 'max_map_per_fmr'
RDMA: Remove 'max_fmr'
RDMA/core: Remove FMR device ops
RDMA/rdmavt: Remove FMR memory registration
RDMA/mthca: Remove FMR support for memory registration
RDMA/mlx4: Remove FMR support for memory registration
RDMA/i40iw: Remove FMR leftovers
RDMA/bnxt_re: Remove FMR leftovers
RDMA/mlx5: Remove FMR leftovers
RDMA/core: Remove FMR pool API
RDMA/rds: Remove FMR support for memory registration
RDMA/srp: Remove support for FMR memory registration
...
Core changes:
- A new GPIO aggregator driver has been merged: this can
join a few select GPIO lines into a new aggregated GPIO
chip. This can be used for security: a process can be
granted access to only these lines, for example for
industrial control. Another way to use this is to
reexpose certain select lines to a virtual machine or
container.
- Warn if the gpio-line-names is too long in he DT parser
core.
- GPIO lines can now be looked up by line name in addition
to being looked up by offset.
New drivers:
- A new generic regmap GPIO driver has been merged. Too
many regmap drivers are starting to look like each other
so we need to create some common ground and try to move
drivers over to using that.
- The F7188X driver now supports F81865.
Driver improvements:
- Large improvements to the PCA953x expander, get multiple lines
and several cleanups.
- Large improvements to the DesignWare DWAPB driver, and Sergey
Semin has volunteered to maintain it.
- PL061 can now be built as a module, this is part of a bigger
effort to make the ARM platforms more modular.
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Merge tag 'gpio-v5.8-1' 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 v5.8 kernel cycle.
Core changes:
- A new GPIO aggregator driver has been merged: this can join a few
select GPIO lines into a new aggregated GPIO chip. This can be used
for security: a process can be granted access to only these lines,
for example for industrial control. Another way to use this is to
reexpose certain select lines to a virtual machine or container.
- Warn if the gpio-line-names is too long in he DT parser core.
- GPIO lines can now be looked up by line name in addition to being
looked up by offset.
New drivers:
- A new generic regmap GPIO driver has been merged. Too many regmap
drivers are starting to look like each other so we need to create
some common ground and try to move drivers over to using that.
- The F7188X driver now supports F81865.
Driver improvements:
- Large improvements to the PCA953x expander, get multiple lines and
several cleanups.
- Large improvements to the DesignWare DWAPB driver, and Sergey Semin
has volunteered to maintain it.
- PL061 can now be built as a module, this is part of a bigger effort
to make the ARM platforms more modular"
* tag 'gpio-v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (77 commits)
gpio: pca953x: Drop unneeded ACPI_PTR()
MAINTAINERS: Add gpio regmap section
gpio: add a reusable generic gpio_chip using regmap
gpiolib: Introduce gpiochip_irqchip_add_domain()
gpio: gpiolib: Allow GPIO IRQs to lazy disable
gpiolib: Separate GPIO_GET_LINEINFO_WATCH_IOCTL conditional
gpio: rcar: Fix runtime PM imbalance on error
gpio: pca935x: Allow IRQ support for driver built as a module
gpio: pxa: Add COMPILE_TEST support
dt-bindings: gpio: Add renesas,em-gio bindings
MAINTAINERS: Fix file name for DesignWare GPIO DT schema
gpio: dwapb: Remove unneeded has_irq member in struct dwapb_port_property
gpio: dwapb: Don't use IRQ 0 as valid Linux interrupt
gpio: dwapb: avoid error message for optional IRQ
gpio: dwapb: Call acpi_gpiochip_free_interrupts() on GPIO chip de-registration
gpio: max730x: bring gpiochip_add_data after port config
MAINTAINERS: Add GPIO Aggregator section
docs: gpio: Add GPIO Aggregator documentation
gpio: Add GPIO Aggregator
gpiolib: Add support for GPIO lookup by line name
...
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Merge tag 'media/v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Media documentation is now split into admin-guide, driver-api and
userspace-api books (a longstanding request from Jon);
- The media Kconfig was reorganized, in order to make easier to select
drivers and their dependencies;
- The testing drivers now has a separate directory;
- added a new driver for Rockchip Video Decoder IP;
- The atomisp staging driver was resurrected. It is meant to work with
4 generations of cameras on Atom-based laptops, tablets and cell
phones. So, it seems worth investing time to cleanup this driver and
making it in good shape.
- Added some V4L2 core ancillary routines to help with h264 codecs;
- Added an ov2740 image sensor driver;
- The si2157 gained support for Analog TV, which, in turn, added
support for some cx231xx and cx23885 boards to also support analog
standards;
- Added some V4L2 controls (V4L2_CID_CAMERA_ORIENTATION and
V4L2_CID_CAMERA_SENSOR_ROTATION) to help identifying where the camera
is located at the device;
- VIDIOC_ENUM_FMT was extended to support MC-centric devices;
- Lots of drivers improvements and cleanups.
* tag 'media/v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (503 commits)
media: Documentation: media: Refer to mbus format documentation from CSI-2 docs
media: s5k5baf: Replace zero-length array with flexible-array
media: i2c: imx219: Drop <linux/clk-provider.h> and <linux/clkdev.h>
media: i2c: Add ov2740 image sensor driver
media: ov8856: Implement sensor module revision identification
media: ov8856: Add devicetree support
media: dt-bindings: ov8856: Document YAML bindings
media: dvb-usb: Add Cinergy S2 PCIe Dual Port support
media: dvbdev: Fix tuner->demod media controller link
media: dt-bindings: phy: phy-rockchip-dphy-rx0: move rockchip dphy rx0 bindings out of staging
media: staging: dt-bindings: phy-rockchip-dphy-rx0: remove non-used reg property
media: atomisp: unify the version for isp2401 a0 and b0 versions
media: atomisp: update TODO with the current data
media: atomisp: adjust some code at sh_css that could be broken
media: atomisp: don't produce errs for ignored IRQs
media: atomisp: print IRQ when debugging
media: atomisp: isp_mmu: don't use kmem_cache
media: atomisp: add a notice about possible leak resources
media: atomisp: disable the dynamic and reserved pools
media: atomisp: turn on camera before setting it
...
Pull networking updates from David Miller:
1) Allow setting bluetooth L2CAP modes via socket option, from Luiz
Augusto von Dentz.
2) Add GSO partial support to igc, from Sasha Neftin.
3) Several cleanups and improvements to r8169 from Heiner Kallweit.
4) Add IF_OPER_TESTING link state and use it when ethtool triggers a
device self-test. From Andrew Lunn.
5) Start moving away from custom driver versions, use the globally
defined kernel version instead, from Leon Romanovsky.
6) Support GRO vis gro_cells in DSA layer, from Alexander Lobakin.
7) Allow hard IRQ deferral during NAPI, from Eric Dumazet.
8) Add sriov and vf support to hinic, from Luo bin.
9) Support Media Redundancy Protocol (MRP) in the bridging code, from
Horatiu Vultur.
10) Support netmap in the nft_nat code, from Pablo Neira Ayuso.
11) Allow UDPv6 encapsulation of ESP in the ipsec code, from Sabrina
Dubroca. Also add ipv6 support for espintcp.
12) Lots of ReST conversions of the networking documentation, from Mauro
Carvalho Chehab.
13) Support configuration of ethtool rxnfc flows in bcmgenet driver,
from Doug Berger.
14) Allow to dump cgroup id and filter by it in inet_diag code, from
Dmitry Yakunin.
15) Add infrastructure to export netlink attribute policies to
userspace, from Johannes Berg.
16) Several optimizations to sch_fq scheduler, from Eric Dumazet.
17) Fallback to the default qdisc if qdisc init fails because otherwise
a packet scheduler init failure will make a device inoperative. From
Jesper Dangaard Brouer.
18) Several RISCV bpf jit optimizations, from Luke Nelson.
19) Correct the return type of the ->ndo_start_xmit() method in several
drivers, it's netdev_tx_t but many drivers were using
'int'. From Yunjian Wang.
20) Add an ethtool interface for PHY master/slave config, from Oleksij
Rempel.
21) Add BPF iterators, from Yonghang Song.
22) Add cable test infrastructure, including ethool interfaces, from
Andrew Lunn. Marvell PHY driver is the first to support this
facility.
23) Remove zero-length arrays all over, from Gustavo A. R. Silva.
24) Calculate and maintain an explicit frame size in XDP, from Jesper
Dangaard Brouer.
25) Add CAP_BPF, from Alexei Starovoitov.
26) Support terse dumps in the packet scheduler, from Vlad Buslov.
27) Support XDP_TX bulking in dpaa2 driver, from Ioana Ciornei.
28) Add devm_register_netdev(), from Bartosz Golaszewski.
29) Minimize qdisc resets, from Cong Wang.
30) Get rid of kernel_getsockopt and kernel_setsockopt in order to
eliminate set_fs/get_fs calls. From Christoph Hellwig.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2517 commits)
selftests: net: ip_defrag: ignore EPERM
net_failover: fixed rollback in net_failover_open()
Revert "tipc: Fix potential tipc_aead refcnt leak in tipc_crypto_rcv"
Revert "tipc: Fix potential tipc_node refcnt leak in tipc_rcv"
vmxnet3: allow rx flow hash ops only when rss is enabled
hinic: add set_channels ethtool_ops support
selftests/bpf: Add a default $(CXX) value
tools/bpf: Don't use $(COMPILE.c)
bpf, selftests: Use bpf_probe_read_kernel
s390/bpf: Use bcr 0,%0 as tail call nop filler
s390/bpf: Maintain 8-byte stack alignment
selftests/bpf: Fix verifier test
selftests/bpf: Fix sample_cnt shared between two threads
bpf, selftests: Adapt cls_redirect to call csum_level helper
bpf: Add csum_level helper for fixing up csum levels
bpf: Fix up bpf_skb_adjust_room helper's skb csum setting
sfc: add missing annotation for efx_ef10_try_update_nic_stats_vf()
crypto/chtls: IPv6 support for inline TLS
Crypto/chcr: Fixes a coccinile check error
Crypto/chcr: Fixes compilations warnings
...
This ancient and unsafe method for memory registration is no longer used
by any RDMA based ULP. Remove the FMR pool API from the core driver.
Link: https://lore.kernel.org/r/4-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
- Rework the system-wide PM driver flags to make them easier to
understand and use and update their documentation (Rafael Wysocki,
Alan Stern).
- Allow cpuidle governors to be switched at run time regardless of
the kernel configuration and update the related documentation
accordingly (Hanjun Guo).
- Improve the resume device handling in the user space hibernarion
interface code (Domenico Andreoli).
- Document the intel-speed-select sysfs interface (Srinivas
Pandruvada).
- Make the ACPI code handing suspend to idle print more debug
messages to help diagnose issues with it (Rafael Wysocki).
- Fix a helper routine in the cpufreq core and correct a typo in
the struct cpufreq_driver kerneldoc comment (Rafael Wysocki, Wang
Wenhu).
- Update cpufreq drivers:
* Make the intel_pstate driver start in the passive mode by
default on systems without HWP (Rafael Wysocki).
* Add i.MX7ULP support to the imx-cpufreq-dt driver and add
i.MX7ULP to the cpufreq-dt-platdev blacklist (Peng Fan).
* Convert the qoriq cpufreq driver to a platform one, make the
platform code create a suitable device object for it and add
platform dependencies to it (Mian Yousaf Kaukab, Geert
Uytterhoeven).
* Fix wrong compatible binding in the qcom driver (Ansuel Smith).
* Build the omap driver by default for ARCH_OMAP2PLUS (Anders
Roxell).
* Add r8a7742 SoC support to the dt cpufreq driver (Lad Prabhakar).
- Update cpuidle core and drivers:
* Fix three reference count leaks in error code paths in the
cpuidle core (Qiushi Wu).
* Convert Qualcomm SPM to a generic cpuidle driver (Stephan
Gerhold).
* Fix up the execution order when entering a domain idle state in
the PSCI driver (Ulf Hansson).
- Fix a reference counting issue related to clock management and
clean up two oddities in the PM-runtime framework (Rafael Wysocki,
Andy Shevchenko).
- Add ElkhartLake support to the Intel RAPL power capping driver
and remove an unused local MSR definition from it (Jacob Pan,
Sumeet Pawnikar).
- Update devfreq core and drivers:
* Replace strncpy() with strscpy() in the devfreq core and use
lockdep asserts instead of manual checks for a locked mutex in
it (Dmitry Osipenko, Krzysztof Kozlowski).
* Add a generic imx bus scaling driver and make it register an
interconnect device (Leonard Crestez, Gustavo A. R. Silva).
* Make the cpufreq notifier in the tegra30 driver take boosting
into account and delete an unuseful error message from that
driver (Dmitry Osipenko, Markus Elfring).
- Remove unneeded semicolon from the cpupower code (Zou Wei).
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Merge tag 'pm-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These rework the system-wide PM driver flags, make runtime switching
of cpuidle governors easier, improve the user space hibernation
interface code, add intel-speed-select interface documentation, add
more debug messages to the ACPI code handling suspend to idle, update
the cpufreq core and drivers, fix a minor issue in the cpuidle core
and update two cpuidle drivers, improve the PM-runtime framework,
update the Intel RAPL power capping driver, update devfreq core and
drivers, and clean up the cpupower utility.
Specifics:
- Rework the system-wide PM driver flags to make them easier to
understand and use and update their documentation (Rafael Wysocki,
Alan Stern).
- Allow cpuidle governors to be switched at run time regardless of
the kernel configuration and update the related documentation
accordingly (Hanjun Guo).
- Improve the resume device handling in the user space hibernarion
interface code (Domenico Andreoli).
- Document the intel-speed-select sysfs interface (Srinivas
Pandruvada).
- Make the ACPI code handing suspend to idle print more debug
messages to help diagnose issues with it (Rafael Wysocki).
- Fix a helper routine in the cpufreq core and correct a typo in the
struct cpufreq_driver kerneldoc comment (Rafael Wysocki, Wang
Wenhu).
- Update cpufreq drivers:
- Make the intel_pstate driver start in the passive mode by
default on systems without HWP (Rafael Wysocki).
- Add i.MX7ULP support to the imx-cpufreq-dt driver and add
i.MX7ULP to the cpufreq-dt-platdev blacklist (Peng Fan).
- Convert the qoriq cpufreq driver to a platform one, make the
platform code create a suitable device object for it and add
platform dependencies to it (Mian Yousaf Kaukab, Geert
Uytterhoeven).
- Fix wrong compatible binding in the qcom driver (Ansuel Smith).
- Build the omap driver by default for ARCH_OMAP2PLUS (Anders
Roxell).
- Add r8a7742 SoC support to the dt cpufreq driver (Lad
Prabhakar).
- Update cpuidle core and drivers:
- Fix three reference count leaks in error code paths in the
cpuidle core (Qiushi Wu).
- Convert Qualcomm SPM to a generic cpuidle driver (Stephan
Gerhold).
- Fix up the execution order when entering a domain idle state in
the PSCI driver (Ulf Hansson).
- Fix a reference counting issue related to clock management and
clean up two oddities in the PM-runtime framework (Rafael Wysocki,
Andy Shevchenko).
- Add ElkhartLake support to the Intel RAPL power capping driver and
remove an unused local MSR definition from it (Jacob Pan, Sumeet
Pawnikar).
- Update devfreq core and drivers:
- Replace strncpy() with strscpy() in the devfreq core and use
lockdep asserts instead of manual checks for a locked mutex in
it (Dmitry Osipenko, Krzysztof Kozlowski).
- Add a generic imx bus scaling driver and make it register an
interconnect device (Leonard Crestez, Gustavo A. R. Silva).
- Make the cpufreq notifier in the tegra30 driver take boosting
into account and delete an unuseful error message from that
driver (Dmitry Osipenko, Markus Elfring).
- Remove unneeded semicolon from the cpupower code (Zou Wei)"
* tag 'pm-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (51 commits)
cpuidle: Fix three reference count leaks
PM: runtime: Replace pm_runtime_callbacks_present()
PM / devfreq: Use lockdep asserts instead of manual checks for locked mutex
PM / devfreq: imx-bus: Fix inconsistent IS_ERR and PTR_ERR
PM / devfreq: Replace strncpy with strscpy
PM / devfreq: imx: Register interconnect device
PM / devfreq: Add generic imx bus scaling driver
PM / devfreq: tegra30: Delete an error message in tegra_devfreq_probe()
PM / devfreq: tegra30: Make CPUFreq notifier to take into account boosting
PM: hibernate: Restrict writes to the resume device
PM: runtime: clk: Fix clk_pm_runtime_get() error path
cpuidle: Convert Qualcomm SPM driver to a generic CPUidle driver
ACPI: EC: PM: s2idle: Extend GPE dispatching debug message
ACPI: PM: s2idle: Print type of wakeup debug messages
powercap: RAPL: remove unused local MSR define
PM: runtime: Make clear what we do when conditions are wrong in rpm_suspend()
Documentation: admin-guide: pm: Document intel-speed-select
PM: hibernate: Split off snapshot dev option
PM: hibernate: Incorporate concurrency handling
Documentation: ABI: make current_governer_ro as a candidate for removal
...
* pm-cpuidle:
cpuidle: Fix three reference count leaks
cpuidle: Convert Qualcomm SPM driver to a generic CPUidle driver
Documentation: ABI: make current_governer_ro as a candidate for removal
Documentation: cpuidle: update the document
cpuidle: sysfs: Remove sysfs_switch and switch attributes
cpuidle: Make cpuidle governor switchable to be the default behaviour
cpuidle: sysfs: Accept governor name with 15 characters
cpuidle: sysfs: Fix the overlap for showing available governors
cpuidle: psci: Fixup execution order when entering a domain idle state
cpuidle: sysfs: Minor coding style corrections
cpuidle: sysfs: Remove the unused define_one_r(o/w) macros
This helper is not very useful and very often people get confused:
they use nand_release() instead of nand_cleanup().
Now that all drivers have been converted to do not use nand_release()
anymore, let's remove this helper.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/linux-mtd/20200519130035.1883-63-miquel.raynal@bootlin.com
The media bus formats to be used on serial busses are documented but there
was no reference from CSI-2 documentation. Add that now.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Provide devm_register_netdev() - a device resource managed variant
of register_netdev(). This new helper will only work for net_device
structs that are also already managed by devres.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a new section for networking devres helpers to devres.rst and list
the two existing devm functions.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Update the document after the remove of cpuidle_sysfs_switch.
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In preparation for future extensions, rename functions to use
sdw_bus_master prefix and add a parent and fwnode argument to
sdw_bus_master_add to help with device registration in follow-up
patches.
No functionality change, just renames and additional arguments.
The Intel code is currently unused, the two additional arguments are
only needed for compilation.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20200518174322.31561-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Currently a GPIO lookup table can only refer to a specific GPIO by a
tuple, consisting of a GPIO controller label and a GPIO offset inside
the controller.
However, a GPIO may also carry a line name, defined by DT or ACPI.
If present, the line name is the most use-centric way to refer to a
GPIO. Hence add support for looking up GPIOs by line name.
Note that there is no guarantee that GPIO line names are globally
unique, so this will use the first match found.
Implement this by reusing the existing gpiod_lookup infrastructure.
Rename gpiod_lookup.chip_label to gpiod_lookup.key, to make it clear
that this field can have two meanings, and update the kerneldoc and
GPIO_LOOKUP*() macros.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Reviewed-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Link: https://lore.kernel.org/r/20200511145257.22970-4-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Document a new kAPI function to register subdev device nodes in read only
mode and for each affected ioctl report how access is restricted.
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Update the V4L2 sub-device userspace API introduction to provide more
details on why complex devices might want to register devnodes for the
connected subdevices.
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The current description of stream topologies does not explicitly
mention 'mirror' topologies used for audio amplifiers, where all
amplifiers see the same data and generate a different output based on
configuration or dynamic information. Add examples and notes to
explain how channels can be transmitted and mapped.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200419185117.4233-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Here are some minor edits of the devices.rst documentation file,
intended to improve the clarity and add a couple of missing details.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Update the documentation of the driver flags for system-wide power
management to reflect the current code flows and be more consistent.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Rename DPM_FLAG_LEAVE_SUSPENDED to DPM_FLAG_MAY_SKIP_RESUME which
matches its purpose more closely.
No functional impact.
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de> # for I2C
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Rename DPM_FLAG_NEVER_SKIP to DPM_FLAG_NO_DIRECT_COMPLETE which
matches its purpose more closely.
No functional impact.
Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com> # for PCI parts
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Add a bit of documentation on what it means when a driver .probe() hook
returns the -EPROBE_DEFER error code, including the limitation that
-EPROBE_DEFER should be returned as early as possible, before the driver
starts to register child devices.
Also: minor markup fixes in the same file
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Saravana Kannan <saravanak@google.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Grant Likely <grant.likely@arm.com>
Link: https://lore.kernel.org/r/20200327170132.17275-1-grant.likely@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Usual mix of new drivers, new support in old drivers and lots of minor
cleanup. Yaml conversions also continue to trickle in (plenty more to go!)
New device support
* ad7476
- Add ad7091 support (ID only)
* ad9467
- New driver for this 200/250 MSPS adi-axi-adc and SPI attached ADC.
* adi-axi-adc
- New driver to support ADIs generic AXI ADC IP core, used to provide
high speed interfaces to ADCs (JESD204B/C or parallel interfaces). Usually
paired with a device using a slow configuration interface (spi etc)
Includes DT bindings and some fixes for fpga headers.
* bmg160
- Add support for BMI088 (ID only)
* max1241
- New driver for this ADC.
* st_sensors
- Add support for LIS2HH12 accelerometer
* sx9310
- New driver supporting sx9310 and sx9311 proximity sensors.
Yaml DT binding conversions
* rockchip-saradc (including adding some missing parts)
* stm32-dac
* tsl2563
* vcnl4000
Features
* st_lsm6dsx
- Add LIS3MDL as a possible sensor hub device.
* vcnl4000
- Add new concept of near level (from DT) to provide to userspace which
often needs to have some calibrated concept of 'near'.
Cleanups, minor fixes etc.
* core
- Use snprintf for functions where strings are built and there is
potential for overflow.
- Correct docs to indicate mlock should not be used directly by drivers.
- Fix up accidental dropping of a patch to use bitmap_zalloc.
- Stop allowing enabling of buffers with no channels enabled.
- Drop unused 'stufftoread' from iio_buffer.
- Drop scan_el_attrs form iio_buffer as unused.
- Reorder sanity checks in __iio_device_register to fail earlier.
- Drop all the devm_ runregister / free functions from IIO as they
were never used and encourage poor design.
* dma-buffer
- Tidy up includes.
* dma-engine-buffer
- Provide dev-managed allocator.
- Fix an issue with printing a size_t
* cross subsystem (kxsd9, bmg160, mpu3050, bmi160, mpu6050, bmc150)
- Replace some unnecessary casts of error ptrs and whilst there.
use the %pe printf parameter to print them in a more useful fashion.
* cross subsystem
- Drop casts in calls to regmap_bulk_read as they make no sense.
- Use devm_platform_ioremap_resource to reduce boilerplate.
- Fix typos in Analog Devices.
* counters/104-quad
- Add Syed Nayyar Waris as an additional maintainer.
* ad7476
- Generate CONVST signal internally rather than requiring external
trigger. Add sysfs read back as can now do so.
- use devm_add_action_or_reset to tidy up error and remove handling.
* ad7793
- Switch to read_avail from explicit attribute. Mostly done to avoid
confusing people with a - sign (without surounding spaces) that
was correct but checkpatch didn't like.
* adis library
- Add missing newlines at end of error messages.
* adis16400
- Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* adis16460
- Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* ad_sigma_delta
- Move some channel definitions into individual drivers to avoid
having to deal with complex options.
* ak8974
- Silence an error on deffered probe.
* bmp280
- Harden against IRQ before registration.
- Convert to read_avail instead of opencoding the equivalent.
- Explicitly mark GPIO as optional.
- Cleanup casts.
- Remove line breaks from strings.
* htts221
- Replace direct access to platform_data with dev_get_platdata().
- Use device properties rather than device tree ones to allow ACPI
probing.
- Casting cleanups.
* intel_mrfld_adc
- Don't use unaligned accessor for aligned data.
* isl29125
- Reorder buer pre and post hooks to allow for coming core rework.
* ltc2983
- Remove comp to bool.
* max1363
- Stop using mlock from the iio_dev directly in favour of a local lock
with clearly defined scope.
* max30100
- Use generic device properties to allow ACPI probe.
* mpu6050
- Convert to i2c_new_client_device.
- Add debugfs register access.
* st_lsm6dsx
- Provide means of configuring full scale on slave device if supported.
- Drop include of st_sensors header to get one value. Its not otherwise
used by this driver.
* st-sensors
- Replace direct access to platform_data with dev_get_platdata().
- Casting cleanups.
- Avoid splitting strings.
* st_uvis25
- Casting cleanups.
* tsl2563
- Typo fix.
* tsl2772
- scnprintf in a non obvious string building usecase. Note also 'fixes'
a wrong calculation of remaining space that couldn't actually cause
any trouble as there was lots of room.
* xilinx-xadc
- Fix Lars-Peter spelling his own name wrong :) + additional typos.
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Merge tag 'iio-for-5.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of new IIO device support, features and cleanup for the 5.8 cycle
Usual mix of new drivers, new support in old drivers and lots of minor
cleanup. Yaml conversions also continue to trickle in (plenty more to go!)
New device support
* ad7476
- Add ad7091 support (ID only)
* ad9467
- New driver for this 200/250 MSPS adi-axi-adc and SPI attached ADC.
* adi-axi-adc
- New driver to support ADIs generic AXI ADC IP core, used to provide
high speed interfaces to ADCs (JESD204B/C or parallel interfaces). Usually
paired with a device using a slow configuration interface (spi etc)
Includes DT bindings and some fixes for fpga headers.
* bmg160
- Add support for BMI088 (ID only)
* max1241
- New driver for this ADC.
* st_sensors
- Add support for LIS2HH12 accelerometer
* sx9310
- New driver supporting sx9310 and sx9311 proximity sensors.
Yaml DT binding conversions
* rockchip-saradc (including adding some missing parts)
* stm32-dac
* tsl2563
* vcnl4000
Features
* st_lsm6dsx
- Add LIS3MDL as a possible sensor hub device.
* vcnl4000
- Add new concept of near level (from DT) to provide to userspace which
often needs to have some calibrated concept of 'near'.
Cleanups, minor fixes etc.
* core
- Use snprintf for functions where strings are built and there is
potential for overflow.
- Correct docs to indicate mlock should not be used directly by drivers.
- Fix up accidental dropping of a patch to use bitmap_zalloc.
- Stop allowing enabling of buffers with no channels enabled.
- Drop unused 'stufftoread' from iio_buffer.
- Drop scan_el_attrs form iio_buffer as unused.
- Reorder sanity checks in __iio_device_register to fail earlier.
- Drop all the devm_ runregister / free functions from IIO as they
were never used and encourage poor design.
* dma-buffer
- Tidy up includes.
* dma-engine-buffer
- Provide dev-managed allocator.
- Fix an issue with printing a size_t
* cross subsystem (kxsd9, bmg160, mpu3050, bmi160, mpu6050, bmc150)
- Replace some unnecessary casts of error ptrs and whilst there.
use the %pe printf parameter to print them in a more useful fashion.
* cross subsystem
- Drop casts in calls to regmap_bulk_read as they make no sense.
- Use devm_platform_ioremap_resource to reduce boilerplate.
- Fix typos in Analog Devices.
* counters/104-quad
- Add Syed Nayyar Waris as an additional maintainer.
* ad7476
- Generate CONVST signal internally rather than requiring external
trigger. Add sysfs read back as can now do so.
- use devm_add_action_or_reset to tidy up error and remove handling.
* ad7793
- Switch to read_avail from explicit attribute. Mostly done to avoid
confusing people with a - sign (without surounding spaces) that
was correct but checkpatch didn't like.
* adis library
- Add missing newlines at end of error messages.
* adis16400
- Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* adis16460
- Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* ad_sigma_delta
- Move some channel definitions into individual drivers to avoid
having to deal with complex options.
* ak8974
- Silence an error on deffered probe.
* bmp280
- Harden against IRQ before registration.
- Convert to read_avail instead of opencoding the equivalent.
- Explicitly mark GPIO as optional.
- Cleanup casts.
- Remove line breaks from strings.
* htts221
- Replace direct access to platform_data with dev_get_platdata().
- Use device properties rather than device tree ones to allow ACPI
probing.
- Casting cleanups.
* intel_mrfld_adc
- Don't use unaligned accessor for aligned data.
* isl29125
- Reorder buer pre and post hooks to allow for coming core rework.
* ltc2983
- Remove comp to bool.
* max1363
- Stop using mlock from the iio_dev directly in favour of a local lock
with clearly defined scope.
* max30100
- Use generic device properties to allow ACPI probe.
* mpu6050
- Convert to i2c_new_client_device.
- Add debugfs register access.
* st_lsm6dsx
- Provide means of configuring full scale on slave device if supported.
- Drop include of st_sensors header to get one value. Its not otherwise
used by this driver.
* st-sensors
- Replace direct access to platform_data with dev_get_platdata().
- Casting cleanups.
- Avoid splitting strings.
* st_uvis25
- Casting cleanups.
* tsl2563
- Typo fix.
* tsl2772
- scnprintf in a non obvious string building usecase. Note also 'fixes'
a wrong calculation of remaining space that couldn't actually cause
any trouble as there was lots of room.
* xilinx-xadc
- Fix Lars-Peter spelling his own name wrong :) + additional typos.
* tag 'iio-for-5.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (101 commits)
iio: magnetometer: ak8974: Silence deferred-probe error
Documentation: ABI: document IIO in_proximity_nearlevel file
iio: vcnl4000: Export near level property for proximity sensor
dt-bindings: iio: light: vcnl4000: Add proximity-near-level
dt-bindings: iio: Introduce common properties for iio sensors
dt-bindings: iio: vcnl4000: convert bindings to YAML format
iio: Fix misspellings of "Analog Devices"
iio: light: isl29125: fix iio_triggered_buffer_{predisable,postenable} positions
iio: adc: fsl-imx25-gcq: Use devm_platform_ioremap_resource
iio: adc: at91-adc: Use devm_platform_ioremap_resource
iio: adc: sun4i-gpadc-iio: Use devm_platform_ioremap_resource
iio:light:ltr501: Drop unnecessary cast of parameter in regmap_bulk_read
iio:magn:mmc35240: Drop unnecessary casts of val parameter in regmap_bulk*
iio:imu:mpu6050: Tidy up parameters to regmap_bulk functions.
iio:chemical:bme680: Tidy up parameters to regmap_bulk_read
iio:chemical:atlas-sensor: Drop unnecessary explicit casts in regmap_bulk_read calls
iio:accel:mxc4005: Drop unnecessary explicit casts in regmap_bulk_read calls
iio: imu: st_lsm6dsx: drop huge include in sensor-hub driver
iio: buffer: drop devm_iio_kfifo_free() API call
iio: buffer: drop devm_iio_hw_consumer_free() API call
...
It's unused so far, so it can be removed. Also makes sense to remove it
to discourage weird uses of this call during review.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
It's unused so far, so it can be removed. Also makes sense to remove it
to discourage weird uses of this call during review.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
It's unused so far, so it can be removed. Also makes sense to remove it
to discourage weird uses of this call during review.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
It's unused so far, so it can be removed. Also makes sense to remove it
to discourage weird uses of this call during review.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
It's unused so far, so it can be removed. Also makes sense to remove it
to discourage weird uses of this call during review.
This is the last user of 'devm_iio_device_match()', so it can be removed as
well in this patch.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
It's unused so far, so it can be removed. Also makes sense to remove it
to discourage weird uses of this call during review.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
It's unused so far, so it can be removed. Also makes sense to remove it
to discourage weird uses of this call during review.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
We never use _ in directory names in the media subsystem, so
rename to test-drivers instead for consistency.
Also update MAINTAINERS with the new path.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The vivi.c driver has long gone, but v4l2-videobuf.rst still
refers to it. Just drop that reference since it is no longer valid
or relevant (videobuf is deprecated).
The QUERYCAP documentation also made a reference to is, but there
vivi could just be replaced by vivid, the vivi successor.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
In order to make easier for people to navigate between the
three media guides, add cross-references between them
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The copyright info is not the most valuable information
there. Move them to the end.
While here, change the copyright to cover up to this
year (2020).
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This file was converted from text at the early ReST days.
We learnt a lot about how to produce a nicer result while
keeping the file better readable as plain text.
Change some ReST markups to make it look better, both at
the output formats and as plain text file.
While here, remove references for the old bt848/winutil
tool, as it seems that it doesn't exist anymore.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Right now, both V4L and Digital TV are shown as main titles.
Instead, add a main title, in order to better display its
output.
While here, simplify the file, as we don't need to add
a title for the indexes, nor we need copyright info, as
everything there is GPL, as stated by the SPDX tags.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Some media files got moved. Update the corresponding
references to the referenced files.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Those documents don't really describe the driver API.
Instead, they contain development-specific information.
Yet, as the main index file describes the content of it as:
"how specific kernel subsystems work
from the point of view of a kernel developer"
It seems to be the better fit.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
All those documents describe the media driver API. So, move
them to the right place within the Kernel documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
- Add interrupt support on the rcar sensor (Niklas Söderlund)
- Add a new Spreadtrum thermal driver (Baolin Wang)
- Add thermal binding for the fsl scu board, a new API to retrieve the
sensor id bound to the thermal zone and i.MX system controller
sensor (Anson Huang))
- Remove warning log when a deferred probe is requested on Exynos
(Marek Szyprowski)
- Add the thermal monitoring unit support for imx8mm with its DT
bindings (Anson Huang)
- Rephrase the Kconfig text for clarity (Linus Walleij)
- Use the gpio descriptor for the ti-soc-thermal (Linus Walleij)
- Align msg structure to 4 bytes for i.MX SC, fix the Kconfig
dependency, add the __may_be unused annotation for PM functions and
the COMPILE_TEST option for imx8mm (Anson Huang)
- Fix a dependency on regmap in Kconfig for qoriq (Yuantian Tang)
- Add DT binding and support for the rcar gen3 r8a77961 and improve
the error path on the rcar init function (Niklas Söderlund)
- Cleanup and improvements for the tsens Qcom sensor (Amit Kucheria)
- Improve code by removing lock and caching values in the rcar thermal
sensor (Niklas Söderlund)
- Cleanup in the qoriq drivers and add a call to
imx_thermal_unregister_legacy_cooling in the removal function (Anson
Huang)
- Remove redundant 'maxItems' in tsens and sprd DT bindings (Rob Herring)
- Change the thermal DT bindings by making the cooling-maps optional
(Yuantian Tang)
- Add Tiger Lake support (Sumeet Pawnikar)
- Use scnprintf() for avoiding potential buffer overflow (Takashi Iwai)
- Make pkg_temp_lock a raw_spinlock_t(Clark Williams)
- Fix incorrect data types by changing them to signed on i.MX SC (Anson Huang)
- Replace zero-length array with flexible-array member (Gustavo A. R. Silva)
- Add support for i.MX8MP in the driver and in the DT bindings (Anson Huang)
- Fix return value of the cpufreq_set_cur_state() function (Willy Wolff)
- Remove abusing and scary WARN_ON in the cpufreq cooling device
(Daniel Lezcano)
- Fix build warning of incorrect argument type reported by sparse on
imx8mm (Anson Huang)
- Fix stub for the devfreq cooling device (Martin Blumenstingl)
- Fix cpu idle cooling documentation (Sergey Vidishev)
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Merge tag 'thermal-v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Convert tsens configuration DT binding to yaml (Rajeshwari)
- Add interrupt support on the rcar sensor (Niklas Söderlund)
- Add a new Spreadtrum thermal driver (Baolin Wang)
- Add thermal binding for the fsl scu board, a new API to retrieve the
sensor id bound to the thermal zone and i.MX system controller sensor
(Anson Huang))
- Remove warning log when a deferred probe is requested on Exynos
(Marek Szyprowski)
- Add the thermal monitoring unit support for imx8mm with its DT
bindings (Anson Huang)
- Rephrase the Kconfig text for clarity (Linus Walleij)
- Use the gpio descriptor for the ti-soc-thermal (Linus Walleij)
- Align msg structure to 4 bytes for i.MX SC, fix the Kconfig
dependency, add the __may_be unused annotation for PM functions and
the COMPILE_TEST option for imx8mm (Anson Huang)
- Fix a dependency on regmap in Kconfig for qoriq (Yuantian Tang)
- Add DT binding and support for the rcar gen3 r8a77961 and improve the
error path on the rcar init function (Niklas Söderlund)
- Cleanup and improvements for the tsens Qcom sensor (Amit Kucheria)
- Improve code by removing lock and caching values in the rcar thermal
sensor (Niklas Söderlund)
- Cleanup in the qoriq drivers and add a call to
imx_thermal_unregister_legacy_cooling in the removal function (Anson
Huang)
- Remove redundant 'maxItems' in tsens and sprd DT bindings (Rob
Herring)
- Change the thermal DT bindings by making the cooling-maps optional
(Yuantian Tang)
- Add Tiger Lake support (Sumeet Pawnikar)
- Use scnprintf() for avoiding potential buffer overflow (Takashi Iwai)
- Make pkg_temp_lock a raw_spinlock_t(Clark Williams)
- Fix incorrect data types by changing them to signed on i.MX SC (Anson
Huang)
- Replace zero-length array with flexible-array member (Gustavo A. R.
Silva)
- Add support for i.MX8MP in the driver and in the DT bindings (Anson
Huang)
- Fix return value of the cpufreq_set_cur_state() function (Willy
Wolff)
- Remove abusing and scary WARN_ON in the cpufreq cooling device
(Daniel Lezcano)
- Fix build warning of incorrect argument type reported by sparse on
imx8mm (Anson Huang)
- Fix stub for the devfreq cooling device (Martin Blumenstingl)
- Fix cpu idle cooling documentation (Sergey Vidishev)
* tag 'thermal-v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (52 commits)
Documentation: cpu-idle-cooling: Fix diagram for 33% duty cycle
thermal: devfreq_cooling: inline all stubs for CONFIG_DEVFREQ_THERMAL=n
thermal: imx8mm: Fix build warning of incorrect argument type
thermal/drivers/cpufreq_cooling: Remove abusing WARN_ON
thermal/drivers/cpufreq_cooling: Fix return of cpufreq_set_cur_state
thermal: imx8mm: Add i.MX8MP support
dt-bindings: thermal: imx8mm-thermal: Add support for i.MX8MP
thermal: qcom: tsens.h: Replace zero-length array with flexible-array member
thermal: imx_sc_thermal: Fix incorrect data type
thermal: int340x_thermal: Use scnprintf() for avoiding potential buffer overflow
thermal: int340x: processor_thermal: Add Tiger Lake support
thermal/x86_pkg_temp: Make pkg_temp_lock a raw_spinlock_t
dt-bindings: thermal: make cooling-maps property optional
dt-bindings: thermal: qcom-tsens: Remove redundant 'maxItems'
dt-bindings: thermal: sprd: Remove redundant 'maxItems'
thermal: imx: Calling imx_thermal_unregister_legacy_cooling() in .remove
thermal: qoriq: Sort includes alphabetically
thermal: qoriq: Use devm_add_action_or_reset() to handle all cleanups
thermal: rcar_thermal: Remove lock in rcar_thermal_get_current_temp()
thermal: rcar_thermal: Do not store ctemp in rcar_thermal_priv
...
Delete identically named subsection to fix Documentation warning:
Documentation/driver-api/w1.rst:11: \
WARNING: duplicate label driver-api/w1:w1 api internal to the kernel, \
other instance in Documentation/driver-api/w1.rst
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20200330060132.7773-1-lukas.bulwahn@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Core and userspace API:
- The userspace API KFIFOs have been imoproved with locks that
do not block interrupts. This makes us better at getting
events to userspace without blocking or disturbing new events
arriving in the same time. This was reviewed by the KFIFO
maintainer Stefani. This is a generic improvement which
paves the road for similar improvements in other subsystems.
- We provide a new ioctl() for monitoring changes in the line
information, such as when multiple clients are taking lines
and giving them back, possibly reconfiguring them in the
process: we can now monitor that and not get stuck with stale
static information.
- An example tool 'gpio-watch' is provided to showcase this
functionality.
- Timestamps for events are switched to ktime_get_ns() which is
monotonic. We previously had a 'realtime' stamp which could
move forward and *backward* in time, which probably would just
cause silent bugs and weird behaviour. In the long run we
see two relevant timestamps: ktime_get_ns() or the timestamp
sometimes provided by the GPIO hardware itself, if that
exists.
- Device Tree overlay support for GPIO hogs. On systems that
load overlays, these overlays can now contain hogs, and will
then be respected.
- Handle pin control interaction with nonexisting pin ranges
in the GPIO library core instead of in the individual
drivers.
New drivers:
- New driver for the Mellanox BlueField 2 GPIO controller.
Driver improvements:
- Introduce the BGPIOF_NO_SET_ON_INPUT flag to the generic
MMIO GPIO library and use this flag in the MT7621 driver.
- Texas Instruments OMAP CPU power management improvements,
such as blocking of idle on pending GPIO interrupts.
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Merge tag 'gpio-v5.7-1' 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 development for the v5.7 kernel cycle.
Core and userspace API:
- The userspace API KFIFOs have been imoproved with locks that do not
block interrupts. This makes us better at getting events to
userspace without blocking or disturbing new events arriving in the
same time. This was reviewed by the KFIFO maintainer Stefani. This
is a generic improvement which paves the road for similar
improvements in other subsystems.
- We provide a new ioctl() for monitoring changes in the line
information, such as when multiple clients are taking lines and
giving them back, possibly reconfiguring them in the process: we
can now monitor that and not get stuck with stale static
information.
- An example tool 'gpio-watch' is provided to showcase this
functionality.
- Timestamps for events are switched to ktime_get_ns() which is
monotonic. We previously had a 'realtime' stamp which could move
forward and *backward* in time, which probably would just cause
silent bugs and weird behaviour. In the long run we see two
relevant timestamps: ktime_get_ns() or the timestamp sometimes
provided by the GPIO hardware itself, if that exists.
- Device Tree overlay support for GPIO hogs. On systems that load
overlays, these overlays can now contain hogs, and will then be
respected.
- Handle pin control interaction with nonexisting pin ranges in the
GPIO library core instead of in the individual drivers.
New drivers:
- New driver for the Mellanox BlueField 2 GPIO controller.
Driver improvements:
- Introduce the BGPIOF_NO_SET_ON_INPUT flag to the generic MMIO GPIO
library and use this flag in the MT7621 driver.
- Texas Instruments OMAP CPU power management improvements, such as
blocking of idle on pending GPIO interrupts"
* tag 'gpio-v5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (59 commits)
Revert "gpio: eic-sprd: Use devm_platform_ioremap_resource()"
pinctrl: Unconditionally assign .request()/.free()
gpio: Unconditionally assign .request()/.free()
gpio: export of_pinctrl_get to modules
pinctrl: Define of_pinctrl_get() dummy for !PINCTRL
gpio: Rename variable in core APIs
gpio: Avoid using pin ranges with !PINCTRL
gpiolib: Remove unused gpio_chip parameter from gpio_set_bias()
gpiolib: Pass gpio_desc to gpio_set_config()
gpiolib: Introduce gpiod_set_config()
tools: gpio: Fix out-of-tree build regression
gpio: gpiolib: fix a doc warning
gpio: tegra186: Add Tegra194 pin ranges for GG.0 and GG.1
gpio: tegra186: Add support for pin ranges
gpio: Support GPIO controllers without pin-ranges
ARM: integrator: impd1: Use GPIO_LOOKUP() helper macro
gpio: brcmstb: support gpio-line-names property
tools: gpio: Fix typo in gpio-utils
tools: gpio-hammer: Apply scripts/Lindent and retain good changes
gpiolib: gpio_name_to_desc: factor out !name check
...
Here is the big set of char/misc/other driver patches for 5.7-rc1.
Lots of things in here, and it's later than expected due to some reverts
to resolve some reported issues. All is now clean with no reported
problems in linux-next.
Included in here is:
- interconnect updates
- mei driver updates
- uio updates
- nvmem driver updates
- soundwire updates
- binderfs updates
- coresight updates
- habanalabs updates
- mhi new bus type and core
- extcon driver updates
- some Kconfig cleanups
- other small misc driver cleanups and updates
As mentioned, all have been in linux-next for a while, and with the last
two reverts, all is calm and good.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char/misc/other driver patches for 5.7-rc1.
Lots of things in here, and it's later than expected due to some
reverts to resolve some reported issues. All is now clean with no
reported problems in linux-next.
Included in here is:
- interconnect updates
- mei driver updates
- uio updates
- nvmem driver updates
- soundwire updates
- binderfs updates
- coresight updates
- habanalabs updates
- mhi new bus type and core
- extcon driver updates
- some Kconfig cleanups
- other small misc driver cleanups and updates
As mentioned, all have been in linux-next for a while, and with the
last two reverts, all is calm and good"
* tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (174 commits)
Revert "driver core: platform: Initialize dma_parms for platform devices"
Revert "amba: Initialize dma_parms for amba devices"
amba: Initialize dma_parms for amba devices
driver core: platform: Initialize dma_parms for platform devices
bus: mhi: core: Drop the references to mhi_dev in mhi_destroy_device()
bus: mhi: core: Initialize bhie field in mhi_cntrl for RDDM capture
bus: mhi: core: Add support for reading MHI info from device
misc: rtsx: set correct pcr_ops for rts522A
speakup: misc: Use dynamic minor numbers for speakup devices
mei: me: add cedar fork device ids
coresight: do not use the BIT() macro in the UAPI header
Documentation: provide IBM contacts for embargoed hardware
nvmem: core: remove nvmem_sysfs_get_groups()
nvmem: core: use is_bin_visible for permissions
nvmem: core: use device_register and device_unregister
nvmem: core: add root_only member to nvmem device struct
extcon: axp288: Add wakeup support
extcon: Mark extcon_get_edev_name() function as exported symbol
extcon: palmas: Hide error messages if gpio returns -EPROBE_DEFER
dt-bindings: extcon: usbc-cros-ec: convert extcon-usbc-cros-ec.txt to yaml format
...
update changing all our txt files to rst ones. Excluding that, we
have the usual driver updates (qla2xxx, ufs, lpfc, zfcp, ibmvfc,
pm80xx, aacraid), a treewide update for scnprintf and some other minor
updates. The major core update is Hannes moving functions out of the
aacraid driver and into the core.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This series has a huge amount of churn because it pulls in Mauro's doc
update changing all our txt files to rst ones.
Excluding that, we have the usual driver updates (qla2xxx, ufs, lpfc,
zfcp, ibmvfc, pm80xx, aacraid), a treewide update for scnprintf and
some other minor updates.
The major core change is Hannes moving functions out of the aacraid
driver and into the core"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (223 commits)
scsi: aic7xxx: aic97xx: Remove FreeBSD-specific code
scsi: ufs: Do not rely on prefetched data
scsi: dc395x: remove dc395x_bios_param
scsi: libiscsi: Fix error count for active session
scsi: hpsa: correct race condition in offload enabled
scsi: message: fusion: Replace zero-length array with flexible-array member
scsi: qedi: Add PCI shutdown handler support
scsi: qedi: Add MFW error recovery process
scsi: ufs: Enable block layer runtime PM for well-known logical units
scsi: ufs-qcom: Override devfreq parameters
scsi: ufshcd: Let vendor override devfreq parameters
scsi: ufshcd: Update the set frequency to devfreq
scsi: ufs: Resume ufs host before accessing ufs device
scsi: ufs-mediatek: customize the delay for enabling host
scsi: ufs: make HCE polling more compact to improve initialization latency
scsi: ufs: allow custom delay prior to host enabling
scsi: ufs-mediatek: use common delay function
scsi: ufs: introduce common and flexible delay function
scsi: ufs: use an enum for host capabilities
scsi: ufs: fix uninitialized tx_lanes in ufshcd_disable_tx_lcc()
...
Pull EFI updates from Ingo Molnar:
"The EFI changes in this cycle are much larger than usual, for two
(positive) reasons:
- The GRUB project is showing signs of life again, resulting in the
introduction of the generic Linux/UEFI boot protocol, instead of
x86 specific hacks which are increasingly difficult to maintain.
There's hope that all future extensions will now go through that
boot protocol.
- Preparatory work for RISC-V EFI support.
The main changes are:
- Boot time GDT handling changes
- Simplify handling of EFI properties table on arm64
- Generic EFI stub cleanups, to improve command line handling, file
I/O, memory allocation, etc.
- Introduce a generic initrd loading method based on calling back
into the firmware, instead of relying on the x86 EFI handover
protocol or device tree.
- Introduce a mixed mode boot method that does not rely on the x86
EFI handover protocol either, and could potentially be adopted by
other architectures (if another one ever surfaces where one
execution mode is a superset of another)
- Clean up the contents of 'struct efi', and move out everything that
doesn't need to be stored there.
- Incorporate support for UEFI spec v2.8A changes that permit
firmware implementations to return EFI_UNSUPPORTED from UEFI
runtime services at OS runtime, and expose a mask of which ones are
supported or unsupported via a configuration table.
- Partial fix for the lack of by-VA cache maintenance in the
decompressor on 32-bit ARM.
- Changes to load device firmware from EFI boot service memory
regions
- Various documentation updates and minor code cleanups and fixes"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (114 commits)
efi/libstub/arm: Fix spurious message that an initrd was loaded
efi/libstub/arm64: Avoid image_base value from efi_loaded_image
partitions/efi: Fix partition name parsing in GUID partition entry
efi/x86: Fix cast of image argument
efi/libstub/x86: Use ULONG_MAX as upper bound for all allocations
efi: Fix a mistype in comments mentioning efivar_entry_iter_begin()
efi/libstub: Avoid linking libstub/lib-ksyms.o into vmlinux
efi/x86: Preserve %ebx correctly in efi_set_virtual_address_map()
efi/x86: Ignore the memory attributes table on i386
efi/x86: Don't relocate the kernel unless necessary
efi/x86: Remove extra headroom for setup block
efi/x86: Add kernel preferred address to PE header
efi/x86: Decompress at start of PE image load address
x86/boot/compressed/32: Save the output address instead of recalculating it
efi/libstub/x86: Deal with exit() boot service returning
x86/boot: Use unsigned comparison for addresses
efi/x86: Avoid using code32_start
efi/x86: Make efi32_pe_entry() more readable
efi/x86: Respect 32-bit ABI in efi32_pe_entry()
efi/x86: Annotate the LOADED_IMAGE_PROTOCOL_GUID with SYM_DATA
...
Here is the "big" set of driver core changes for 5.7-rc1.
Nothing huge in here, just lots of little firmware core changes and use
of new apis, a libfs fix, a debugfs api change, and some driver core
deferred probe rework.
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-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of driver core changes for 5.7-rc1.
Nothing huge in here, just lots of little firmware core changes and
use of new apis, a libfs fix, a debugfs api change, and some driver
core deferred probe rework.
All of these have been in linux-next for a while with no reported
issues"
* tag 'driver-core-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (44 commits)
Revert "driver core: Set fw_devlink to "permissive" behavior by default"
driver core: Set fw_devlink to "permissive" behavior by default
driver core: Replace open-coded list_last_entry()
driver core: Read atomic counter once in driver_probe_done()
libfs: fix infoleak in simple_attr_read()
driver core: Add device links from fwnode only for the primary device
platform/x86: touchscreen_dmi: Add info for the Chuwi Vi8 Plus tablet
platform/x86: touchscreen_dmi: Add EFI embedded firmware info support
Input: icn8505 - Switch to firmware_request_platform for retreiving the fw
Input: silead - Switch to firmware_request_platform for retreiving the fw
selftests: firmware: Add firmware_request_platform tests
test_firmware: add support for firmware_request_platform
firmware: Add new platform fallback mechanism and firmware_request_platform()
Revert "drivers: base: power: wakeup.c: Use built-in RCU list checking"
drivers: base: power: wakeup.c: Use built-in RCU list checking
component: allow missing unbind callback
debugfs: remove return value of debugfs_create_file_size()
debugfs: Check module state before warning in {full/open}_proxy_open()
firmware: fix a double abort case with fw_load_sysfs_fallback
arch_topology: Fix putting invalid cpu clk
...
Here are the big set of USB and PHY driver patches for 5.7-rc1.
Nothing huge here, some new PHY drivers, loads of USB gadget fixes and
updates, xhci updates, usb-serial driver updates and new device ids, and
other minor things. Full details in the shortlog.
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 'usb-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / PHY updates from Greg KH:
"Here are the big set of USB and PHY driver patches for 5.7-rc1.
Nothing huge here, some new PHY drivers, loads of USB gadget fixes and
updates, xhci updates, usb-serial driver updates and new device ids,
and other minor things. Full details in the shortlog.
All have been in linux-next for a while with no reported issues"
* tag 'usb-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (239 commits)
USB: cdc-acm: restore capability check order
usb: cdns3: make signed 1 bit bitfields unsigned
usb: gadget: fsl: remove unused variable 'driver_desc'
usb: gadget: f_fs: Fix use after free issue as part of queue failure
usb: typec: Correct the documentation for typec_cable_put()
USB: serial: io_edgeport: fix slab-out-of-bounds read in edge_interrupt_callback
USB: serial: option: add Wistron Neweb D19Q1
USB: serial: option: add BroadMobi BM806U
USB: serial: option: add support for ASKEY WWHC050
usb: core: Add ACPI support for USB interface devices
driver core: platform: Reimplement devm_platform_ioremap_resource
usb: dwc2: convert to devm_platform_get_and_ioremap_resource
usb: host: hisilicon: convert to devm_platform_get_and_ioremap_resource
usb: host: xhci-plat: convert to devm_platform_get_and_ioremap_resource
drivers: provide devm_platform_get_and_ioremap_resource()
phy: qcom-qusb2: Add new overriding tuning parameters in QUSB2 V2 PHY
phy: qcom-qusb2: Add support for overriding tuning parameters in QUSB2 V2 PHY
dt-bindings: phy: qcom-qusb2: Add support for overriding Phy tuning parameters
phy: qcom-qusb2: Add generic QUSB2 V2 PHY support
dt-bindings: phy: qcom,qusb2: Add compatibles for QUSB2 V2 phy and SC7180
...
- Lots of RST conversion work by Mauro, Daniel ALmeida, and others.
Maybe someday we'll get to the end of this stuff...maybe...
- Some organizational work to bring some order to the core-api manual.
- Various new docs and additions to the existing documentation.
- Typo fixes, warning fixes, ...
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Merge tag 'docs-5.7' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"This has been a busy cycle for documentation work.
Highlights include:
- Lots of RST conversion work by Mauro, Daniel ALmeida, and others.
Maybe someday we'll get to the end of this stuff...maybe...
- Some organizational work to bring some order to the core-api
manual.
- Various new docs and additions to the existing documentation.
- Typo fixes, warning fixes, ..."
* tag 'docs-5.7' of git://git.lwn.net/linux: (123 commits)
Documentation: x86: exception-tables: document CONFIG_BUILDTIME_TABLE_SORT
MAINTAINERS: adjust to filesystem doc ReST conversion
docs: deprecated.rst: Add BUG()-family
doc: zh_CN: add translation for virtiofs
doc: zh_CN: index files in filesystems subdirectory
docs: locking: Drop :c:func: throughout
docs: locking: Add 'need' to hardirq section
docs: conf.py: avoid thousands of duplicate label warning on Sphinx
docs: prevent warnings due to autosectionlabel
docs: fix reference to core-api/namespaces.rst
docs: fix pointers to io-mapping.rst and io_ordering.rst files
Documentation: Better document the softlockup_panic sysctl
docs: hw-vuln: tsx_async_abort.rst: get rid of an unused ref
docs: perf: imx-ddr.rst: get rid of a warning
docs: filesystems: fuse.rst: supress a Sphinx warning
docs: translations: it: avoid duplicate refs at programming-language.rst
docs: driver.rst: supress two ReSt warnings
docs: trace: events.rst: convert some new stuff to ReST format
Documentation: Add io_ordering.rst to driver-api manual
Documentation: Add io-mapping.rst to driver-api manual
...
Late fixes in dmaengine for v5.6:
- move .device_release missing log warning to debug
- couple of maintainer entries for HiSilicon and IADX drivers
- one off fix for idxd driver
- documentation warn fixes
- TI k3 dma error handling fix
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Merge tag 'dmaengine-fix-5.6' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"Late fixes in dmaengine for v5.6:
- move .device_release missing log warning to debug
- couple of maintainer entries for HiSilicon and IADX drivers
- off-by-one fix for idxd driver
- documentation warning fixes
- TI k3 dma error handling fix"
* tag 'dmaengine-fix-5.6' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: ti: k3-udma-glue: Fix an error handling path in 'k3_udma_glue_cfg_rx_flow()'
MAINTAINERS: Add maintainer for HiSilicon DMA engine driver
dmaengine: idxd: fix off by one on cdev dwq refcount
MAINTAINERS: rectify the INTEL IADX DRIVER entry
dmaengine: move .device_release missing log warning to debug level
docs: dmaengine: provider.rst: get rid of some warnings
This contains updates to stream and pm handling in the core as well as
updates to Intel drivers for hw sequencing and multi-link.
Details:
Core:
- Updates to stream handling for state machine checks
- Changes to handle potential races for probe/enumeration and init of the bus
- Add no pm version of read and writes
- Support for multiple Slave on same link
- Add read_only_wordlength for simple/reduced ports
Intel:
- Updates to cadence lib to handle hw sequencing
- Support for audio dai calls in intel driver
- Multi link support for cadence lib
Qualcomm:
- Support for get_sdw_stream()
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Merge tag 'soundwire-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into char-misc-next
Vinod writes:
soundwire updates for v5.7-rc1
This contains updates to stream and pm handling in the core as well as
updates to Intel drivers for hw sequencing and multi-link.
Details:
Core:
- Updates to stream handling for state machine checks
- Changes to handle potential races for probe/enumeration and init of the bus
- Add no pm version of read and writes
- Support for multiple Slave on same link
- Add read_only_wordlength for simple/reduced ports
Intel:
- Updates to cadence lib to handle hw sequencing
- Support for audio dai calls in intel driver
- Multi link support for cadence lib
Qualcomm:
- Support for get_sdw_stream()
* tag 'soundwire-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: (43 commits)
soundwire: qcom: add support for get_sdw_stream()
soundwire: stream: Add read_only_wordlength flag to port properties
soundwire: cadence: clear FIFO to avoid pop noise issue on playback start
soundwire: cadence: multi-link support
soundwire: cadence: commit changes in the exit_reset() sequence
soundwire: cadence: remove automatic command retries
soundwire: cadence: remove PREQ_DELAY assignment
soundwire: cadence: enable NORMAL operation in cdns_init()
soundwire: cadence: reorder MCP_CONFIG settings
soundwire: cadence: make SSP interval programmable
soundwire: cadence: move clock/SSP related inits to dedicated function
soundwire: cadence: merge routines to clear/set bits
soundwire: cadence: mask Slave interrupt before stopping clock
soundwire: cadence: fix a io timeout issue in S3 test
soundwire: cadence: add clock_stop/restart routines
soundwire: cadence: handle error cases with CONFIG_UPDATE
soundwire: cadence: add interface to check clock status
soundwire: cadence: simplifiy cdns_init()
soundwire: cadence: s/update_config/config_update
soundwire: stream: use sdw_write instead of update
...
Changeset 58ad30cf91 ("docs: fix reference to core-api/namespaces.rst")
enabled a new feature at Sphinx: it will now generate index for each
document title, plus to each chapter inside it.
There's a drawback, though: one document cannot have two sections
with the same name anymore.
A followup patch will change the logic of autosectionlabel to
avoid most creating references for every single section title,
but still we need to be able to reference the chapters inside
a document.
There are a few places where there are two chapters with the
same name. This patch renames one of the chapters, in order to
avoid symbol conflict within the same document.
PS.: as I don't speach Chinese, I had some help from a friend
(Wen Liu) at the Chinese translation for "publishing patches"
for this document:
Documentation/translations/zh_CN/process/5.Posting.rst
Fixes: 58ad30cf91 ("docs: fix reference to core-api/namespaces.rst")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/2bffb91e4a63d41bf5fae1c23e1e8b3bba0b8806.1584716446.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
In some cases the platform's main firmware (e.g. the UEFI fw) may contain
an embedded copy of device firmware which needs to be (re)loaded into the
peripheral. Normally such firmware would be part of linux-firmware, but in
some cases this is not feasible, for 2 reasons:
1) The firmware is customized for a specific use-case of the chipset / use
with a specific hardware model, so we cannot have a single firmware file
for the chipset. E.g. touchscreen controller firmwares are compiled
specifically for the hardware model they are used with, as they are
calibrated for a specific model digitizer.
2) Despite repeated attempts we have failed to get permission to
redistribute the firmware. This is especially a problem with customized
firmwares, these get created by the chip vendor for a specific ODM and the
copyright may partially belong with the ODM, so the chip vendor cannot
give a blanket permission to distribute these.
This commit adds a new platform fallback mechanism to the firmware loader
which will try to lookup a device fw copy embedded in the platform's main
firmware if direct filesystem lookup fails.
Drivers which need such embedded fw copies can enable this fallback
mechanism by using the new firmware_request_platform() function.
Note that for now this is only supported on EFI platforms and even on
these platforms firmware_fallback_platform() only works if
CONFIG_EFI_EMBEDDED_FIRMWARE is enabled (this gets selected by drivers
which need this), in all other cases firmware_fallback_platform() simply
always returns -ENOENT.
Reported-by: Dave Olsthoorn <dave@bewaar.me>
Suggested-by: Peter Jones <pjones@redhat.com>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200115163554.101315-5-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Get rid of those, by marking a literal block as such:
Documentation/driver-api/gpio/driver.rst:425: WARNING: Unexpected indentation.
Documentation/driver-api/gpio/driver.rst:423: WARNING: Inline emphasis start-string without end-string.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/8356b02547087979f57cb71fbefb5e5f636c78f4.1583250595.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Add io_ordering.rst under Documentation/driver-api and reference it from
the Sphinx TOC Tree present in Documentation/driver-api/index.rst
Signed-off-by: Pragat Pandya <pragat.pandya@gmail.com>
Link: https://lore.kernel.org/r/20200303050301.5412-3-pragat.pandya@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Add io-mapping.rst under Documentation/driver-api and reference it from
Sphinx TOC Tree present in Documentation/driver-api/index.rst
Signed-off-by: Pragat Pandya <pragat.pandya@gmail.com>
Link: https://lore.kernel.org/r/20200303050301.5412-2-pragat.pandya@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Let the description of the efi/libstub/mem.c functions appear in the kernel
API documentation in the following chapters:
The Linux driver implementer’s API guide
Linux Firmware API
UEFI Support
UEFI stub library functions
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200221035832.144960-1-xypron.glpk@gmx.de
Link: https://lore.kernel.org/r/20200308080859.21568-9-ardb@kernel.org
Get rid of those warnings by adding extra blank lines:
Documentation/driver-api/dmaengine/provider.rst:270: WARNING: Unexpected indentation.
Documentation/driver-api/dmaengine/provider.rst:273: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/driver-api/dmaengine/provider.rst:288: WARNING: Unexpected indentation.
Documentation/driver-api/dmaengine/provider.rst:290: WARNING: Block quote ends without a blank line; unexpected unindent.
While here, use parenthesis after get_metadata_ptr/set_metadata_len,
as, if some day someone adds a kerneldoc markup for those, it
should automatically generate a cross-reference to them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/62cf2a87b379a92c9c0e5a40c2ae8a138b01fe0a.1583250595.git.mchehab+huawei@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Bunch of driver fixes:
- Doc updates to clean warnings for dmaengine
- Fixes for newly added Intel idxd driver
- More fixes for newly added TI k3-udma driver
- Fixes for IMX and Tegra drivers.
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Merge tag 'dmaengine-fix-5.6-rc5' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"A bunch of driver fixes:
- Doc updates to clean warnings for dmaengine
- Fixes for newly added Intel idxd driver
- More fixes for newly added TI k3-udma driver
- Fixes for IMX and Tegra drivers"
* tag 'dmaengine-fix-5.6-rc5' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: imx-sdma: Fix the event id check to include RX event for UART6
dmaengine: tegra-apb: Prevent race conditions of tasklet vs free list
dmaengine: tegra-apb: Fix use-after-free
dmaengine: imx-sdma: fix context cache
dmaengine: idxd: wq size configuration needs to check global max size
dmaengine: idxd: sysfs input of wq incorrect wq type should return error
dmaengine: coh901318: Fix a double lock bug in dma_tc_handle()
dmaengine: idxd: correct reserved token calculation
dmaengine: ti: k3-udma: Fix terminated transfer handling
dmaengine: ti: k3-udma: Use the channel direction in pause/resume functions
dmaengine: ti: k3-udma: Use the TR counter helper for slave_sg and cyclic
dmaengine: ti: k3-udma: Move the TR counter calculation to helper function
dmaengine: ti: k3-udma: Workaround for RX teardown with stale data in peer
dmaengine: ti: k3-udma: Use ktime/usleep_range based TX completion check
dmaengine: idxd: Fix error handling in idxd_wq_cdev_dev_setup()
dmaengine: doc: fix warnings/issues of client.rst
dmaengine: idxd: fix runaway module ref count on device driver bind
This document describes actions that an admin can do, rather than
interfaces available to driver developers, so admin-guide seems to
be a more appropriate place for it.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Without the empty lines, Sphinx renders the list as part of the running
text.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
I know this is late; I've been travelling and, well, I've been
distracted.
This is just a few bug fixes and adding i2c support to the IPMB driver,
which is something I wanted from the beginning for it. It would be
nice for the people doing IPMB to get this in.
-corey
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Merge tag 'for-linus-5.6-1' of https://github.com/cminyard/linux-ipmi
Pull IPMI update from Corey Minyard:
"Minor bug fixes for IPMI
I know this is late; I've been travelling and, well, I've been
distracted.
This is just a few bug fixes and adding i2c support to the IPMB
driver, which is something I wanted from the beginning for it"
* tag 'for-linus-5.6-1' of https://github.com/cminyard/linux-ipmi:
drivers: ipmi: fix off-by-one bounds check that leads to a out-of-bounds write
ipmi:ssif: Handle a possible NULL pointer reference
drivers: ipmi: Modify max length of IPMB packet
drivers: ipmi: Support raw i2c packet in IPMB
This fixed some warnings/issues of client.rst.
o Need a blank line for enumerated lists.
o Do not create section in enumerated list.
o Remove suffix ':' from section title.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Link: https://lore.kernel.org/r/20200204125115.12128-1-changbin.du@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The state machine and notes don't accurately explain or allow
transitions from STREAM_DEPREPARED and STREAM_DISABLED.
Add more explanations and allow for more transitions as a result of a
trigger_stop(), trigger_suspend() and prepare(), depending on the
ALSA/ASoC layer behavior defined by the INFO_RESUME and INFO_PAUSE
flags.
Also add basic checks to help debug inconsistent states and illegal
state machine transitions.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200114235227.14502-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Using the generic notification chain is not reasonable with
the alternate modes because it would require dependencies
between the drivers of the components that need the
notifications, and the typec drivers.
There are no users for the alternate mode notifications, so
removing the chain and the API for it completely.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200211112531.86510-6-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Fix a spelling mistake in the error message for the stm32 (Colin Ian King)
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Merge tag 'thermal-v5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal fixes from Daniel Lezcano:
- Fix a severe docs build failure for cpu idle cooling device (Randy
Dunlap)
- Fix a spelling mistake in the error message for the stm32 (Colin Ian
King)
* tag 'thermal-v5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
thermal: stm32: fix spelling mistake "preprare" -> "prepare"
Documentation: cpu-idle-cooling: fix a SEVERE docs build failure
Sphinx ('make htmldocs') stops with a SEVERE error:
Sphinx parallel build error:
SystemMessage: /home/rdunlap/lnx/next/linux-next-20200120/Documentation/driver-api/thermal/cpu-idle-cooling.rst:69: (SEVERE/4) Unexpected section title.
^
|
so fix the .rst file so that the SEVERE build error does not happen.
Also fix another minor formatting warning (unexpected unindent).
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Amit Kucheria <amit.kucheria@verdurent.com>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/712c1152-56b5-307f-b3f3-ed03a30b804a@infradead.org
Here is the big char/misc/whatever driver changes for 5.6-rc1
Included in here are loads of things from a variety of different driver
subsystems:
- soundwire updates
- binder updates
- nvmem updates
- firmware drivers updates
- extcon driver updates
- various misc driver updates
- fpga driver updates
- interconnect subsystem and driver updates
- bus driver updates
- uio driver updates
- mei driver updates
- w1 driver cleanups
- various other small driver updates
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big char/misc/whatever driver changes for 5.6-rc1
Included in here are loads of things from a variety of different
driver subsystems:
- soundwire updates
- binder updates
- nvmem updates
- firmware drivers updates
- extcon driver updates
- various misc driver updates
- fpga driver updates
- interconnect subsystem and driver updates
- bus driver updates
- uio driver updates
- mei driver updates
- w1 driver cleanups
- various other small driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (86 commits)
mei: me: add jasper point DID
char: hpet: Use flexible-array member
binder: fix log spam for existing debugfs file creation.
mei: me: add comet point (lake) H device ids
nvmem: add QTI SDAM driver
dt-bindings: nvmem: add binding for QTI SPMI SDAM
dt-bindings: imx-ocotp: Add i.MX8MP compatible
dt-bindings: soundwire: fix example
soundwire: cadence: fix kernel-doc parameter descriptions
soundwire: intel: report slave_ids for each link to SOF driver
siox: Use the correct style for SPDX License Identifier
w1: omap-hdq: Simplify driver with PM runtime autosuspend
firmware: stratix10-svc: Remove unneeded semicolon
firmware: google: Probe for a GSMI handler in firmware
firmware: google: Unregister driver_info on failure and exit in gsmi
firmware: google: Release devices before unregistering the bus
slimbus: qcom: add missed clk_disable_unprepare in remove
slimbus: Use the correct style for SPDX License Identifier
slimbus: qcom-ngd-ctrl: Use dma_request_chan() instead dma_request_slave_channel()
dt-bindings: SLIMBus: add slim devices optional properties
...
Core changes:
- Dropped the chained IRQ setup callback into GPIOLIB as we
got rid of the last users of that in this changeset.
New drivers:
- New driver for Ingenic X1830.
- New driver for Freescale i.MX8MP.
Driver enhancements:
- Fix all remaining Intel drivers to pass their IRQ chips
along with the GPIO chips.
- Intel Baytrail allocates its irqchip dynamically.
- Intel Lynxpoint is thoroughly rewritten and modernized.
- Aspeed AST2600 pin muxing and configuration is much
improved.
- Qualcomm SC7180 functions are updated and wakeup interrupt
map is provided.
- A whole slew of Renesas SH-PFC cleanups and improvements.
- Fix up the Intel DT bindings to use the generic YAML
DT bindings schema. (A first user of this.)
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Merge tag 'pinctrl-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes, nothing too exciting about
this.
Some changes hit arch/sh and arch/arm but are well isolated and
acknowledged by the respective arch maintainers.
Core changes:
- Dropped the chained IRQ setup callback into GPIOLIB as we got rid
of the last users of that in this changeset.
New drivers:
- New driver for Ingenic X1830.
- New driver for Freescale i.MX8MP.
Driver enhancements:
- Fix all remaining Intel drivers to pass their IRQ chips along with
the GPIO chips.
- Intel Baytrail allocates its irqchip dynamically.
- Intel Lynxpoint is thoroughly rewritten and modernized.
- Aspeed AST2600 pin muxing and configuration is much improved.
- Qualcomm SC7180 functions are updated and wakeup interrupt map is
provided.
- A whole slew of Renesas SH-PFC cleanups and improvements.
- Fix up the Intel DT bindings to use the generic YAML DT bindings
schema (a first user of this)"
* tag 'pinctrl-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (99 commits)
pinctrl: madera: Remove extra blank line
pinctrl: qcom: Don't lock around irq_set_irq_wake()
pinctrl: mvebu: armada-37xx: use use platform api
gpio: Drop the chained IRQ handler assign function
pinctrl: freescale: Add i.MX8MP pinctrl driver support
dt-bindings: imx: Add pinctrl binding doc for i.MX8MP
pinctrl: tigerlake: Tiger Lake uses _HID enumeration
pinctrl: sunrisepoint: Add Coffee Lake-S ACPI ID
pinctrl: iproc: Use platform_get_irq_optional() to avoid error message
pinctrl: dt-bindings: Fix some errors in the lgm and pinmux schema
pinctrl: intel: Pass irqchip when adding gpiochip
pinctrl: intel: Add GPIO <-> pin mapping ranges via callback
pinctrl: baytrail: Replace WARN with dev_info_once when setting direct-irq pin to output
pinctrl: baytrail: Do not clear IRQ flags on direct-irq enabled pins
pinctrl: sunrisepoint: Add missing Interrupt Status register offset
pinctrl: sh-pfc: Split R-Car H3 support in two independent drivers
pinctrl: artpec6: fix __iomem on reg in set
pinctrl: ingenic: Use devm_platform_ioremap_resource()
pinctrl: ingenic: Factorize irq_set_type function
pinctrl: ingenic: Remove duplicated ingenic_chip_info structures
...
Core changes:
- Document the usecases for the kernelspace vs userspace
handling of GPIOs.
- Handle MSI (message signalled interrupts) properly in the
core hierarchical irqdomain code.
- Fix a rare race condition while initializing the descriptor
array.
New drivers:
- Xylon LogiCVC GPIO driver.
- WDC934x GPIO controller driver.
Driver improvements:
- Implemented suspend/resume in the Tegra driver.
- MPC8xx edge detection fixup.
- Properly convert ThunderX to use hierarchical irqdomain
with GPIOLIB_IRQCHIP on top of the revert of the previous
buggy switchover. This time it works (hopefully).
Misc:
- Drop a FMC remnant file <linux/ipmi-fru.h>
- A slew of fixes.
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Merge tag 'gpio-v5.6-1' 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 the v5.6 kernel cycle.
This is a pretty calm cycle so far, nothing special going on really.
Some more changes will come in from the irqchip and pin control trees.
I also deleted an orphan include file for FMC that was dangling since
subsystem was removed.
Core changes:
- Document the usecases for the kernelspace vs userspace handling of
GPIOs.
- Handle MSI (message signalled interrupts) properly in the core
hierarchical irqdomain code.
- Fix a rare race condition while initializing the descriptor array.
New drivers:
- Xylon LogiCVC GPIO driver.
- WDC934x GPIO controller driver.
Driver improvements:
- Implemented suspend/resume in the Tegra driver.
- MPC8xx edge detection fixup.
- Properly convert ThunderX to use hierarchical irqdomain with
GPIOLIB_IRQCHIP on top of the revert of the previous buggy
switchover. This time it works (hopefully).
Misc:
- Drop a FMC remnant file <linux/ipmi-fru.h>
- A slew of fixes"
* tag 'gpio-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (48 commits)
MAINTAINERS: Replace Tien Hock Loh as Altera PIO maintainer
gpiolib: hold gpio devices lock until ->descs array is initialised
gpio: aspeed-sgpio: fixed typos
gpio: mvebu: clear irq in edge cause register before unmask edge irq
gpiolib: Lower verbosity when allocating hierarchy irq
gpiolib: Remove duplicated function gpio_do_set_config()
gpio: Fix the no return statement warning
gpio: wcd934x: Add support to wcd934x gpio controller
gpiolib: remove set but not used variable 'config'
gpio: vx855: fixed a typo
gpio: mockup: sort headers alphabetically
gpio: mockup: update the license tag
gpio: Remove the unused flags
gpiolib: Set lockdep class for hierarchical irq domains
gpio: thunderx: Switch to GPIOLIB_IRQCHIP
gpiolib: Add the support for the msi parent domain
gpiolib: Add support for the irqdomain which doesn't use irq_fwspec as arg
gpio: Add use guidance documentation
dt-bindings: gpio: wcd934x: Add bindings for gpio
gpio: altera: change to platform_get_irq_optional to avoid false-positive error
...
- Fix compilation warning when compiling with make W=1 (Amit Kucheria)
- Code cleanup and refactoring, regmap conversion and add hwmon
support on Qoriq (Andrey Smirnov)
- Add an idle injection cpu cooling device and its documentation,
rename the cpu_cooling device to cpufreq_cooling device (Daniel
Lezcano)
- Convert unexported functions to static, add the __init annotation in
the thermal-of code and remove the pointless wrapper functions
(Daniel Lezcano)
- Fix register offset for Armada XP and register reset bit
initialization (Zak Hays)
- Enable hwmon on the rockchip (Stefan Schaeckeler)
- Add the thermal sensor for the H6/H5/H3/A64/A83T/R40 sun8i platform
and their device tree bindings, followed by a fix for the ths number
and the sparse warnings (Yangtao Li)
- Code cleansup for the sun8i and hwmon support (Yangtao Li)
- Silent some messages which are misleading given the changes made in
the previous version on generic-adc (Martin Blumenstingl)
- Rename exynos to Exynos (Krzysztof Kozlowski)
- Add the bcm2711 thermal driver with the device tree bindings (Stefan
Wahren)
- Use usleep_range() instead of udelay() as the call is always done in
a sleep-able context (Geert Uytterhoeven)
- Do code cleanup and re-organization to set the scene for a new
process for the brcmstb (Florian Fainelli)
- Fix bindings check issues on brcm (Stefan Wahren)
- Add Jasper Lake support on int340x (Nivedita Swaminathan)
- Add Comet Lake support on intel pch (Gayatri Kammela)
- Fix unmatched pci_release_region() on x86 (Chuhong Yuan)
- Remove temperature boundaries for rcar and rcar3 (Niklas Söderlund)
- Fix return value to -ENODEV when thermal_zone_of_sensor_register()
is called with the of-node is missing (Peter Mamonov)
- Code cleanup, interrupt bouncing, and better support on stm32
(Pascal Paillet)
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Merge tag 'thermal-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Depromote debug print on the db8500 platform (Linus Walleij)
- Fix compilation warning when compiling with make W=1 (Amit Kucheria)
- Code cleanup and refactoring, regmap conversion and add hwmon support
on Qoriq (Andrey Smirnov)
- Add an idle injection cpu cooling device and its documentation,
rename the cpu_cooling device to cpufreq_cooling device (Daniel
Lezcano)
- Convert unexported functions to static, add the __init annotation in
the thermal-of code and remove the pointless wrapper functions
(Daniel Lezcano)
- Fix register offset for Armada XP and register reset bit
initialization (Zak Hays)
- Enable hwmon on the rockchip (Stefan Schaeckeler)
- Add the thermal sensor for the H6/H5/H3/A64/A83T/R40 sun8i platform
and their device tree bindings, followed by a fix for the ths number
and the sparse warnings (Yangtao Li)
- Code cleansup for the sun8i and hwmon support (Yangtao Li)
- Silent some messages which are misleading given the changes made in
the previous version on generic-adc (Martin Blumenstingl)
- Rename exynos to Exynos (Krzysztof Kozlowski)
- Add the bcm2711 thermal driver with the device tree bindings (Stefan
Wahren)
- Use usleep_range() instead of udelay() as the call is always done in
a sleep-able context (Geert Uytterhoeven)
- Do code cleanup and re-organization to set the scene for a new
process for the brcmstb (Florian Fainelli)
- Fix bindings check issues on brcm (Stefan Wahren)
- Add Jasper Lake support on int340x (Nivedita Swaminathan)
- Add Comet Lake support on intel pch (Gayatri Kammela)
- Fix unmatched pci_release_region() on x86 (Chuhong Yuan)
- Remove temperature boundaries for rcar and rcar3 (Niklas Söderlund)
- Fix return value to -ENODEV when thermal_zone_of_sensor_register() is
called with the of-node is missing (Peter Mamonov)
- Code cleanup, interrupt bouncing, and better support on stm32 (Pascal
Paillet)
* tag 'thermal-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (66 commits)
thermal: stm32: Fix low threshold interrupt flood
thermal: stm32: Improve temperature computing
thermal: stm32: Handle multiple trip points
thermal: stm32: Disable interrupts at probe
thermal: stm32: Rework sensor mode management
thermal: stm32: Fix icifr register name
thermal: of: Make thermal_zone_of_sensor_register return -ENODEV if a sensor OF node is missing
thermal: rcar_gen3_thermal: Remove temperature bound
thermal: rcar_thermal: Remove temperature bound
thermal: intel: intel_pch_thermal: Add Comet Lake (CML) platform support
thermal: intel: Fix unmatched pci_release_region
thermal: int340x: processor_thermal: Add Jasper Lake support
dt-bindings: brcm,avs-ro-thermal: Fix binding check issues
thermal: brcmstb_thermal: Register different ops per process
thermal: brcmstb_thermal: Restructure interrupt registration
thermal: brcmstb_thermal: Add 16nm process thermal parameters
dt-bindings: thermal: Define BCM7216 thermal sensor compatible
thermal: brcmstb_thermal: Prepare to support a different process
thermal: brcmstb_thermal: Do not use DT coefficients
thermal: rcar_thermal: Use usleep_range() instead of udelay()
...
The newly added metadata documentation title was not properly indented
resulting in doc build break:
Sphinx parallel build error:
docutils.utils.SystemMessage: /linux/Documentation/driver-api/dmaengine/client.rst:155: (SEVERE/4) Unexpected section title.
Optional: per descriptor metadata
---------------------------------
Fix this by doing the right indent
Reported-by: Michael Ellerman <mpe@ellerman.id.au>
Fixes: 7d083ae983 ("dmaengine: doc: Add sections for per descriptor metadata support")
Link: https://lore.kernel.org/r/20200128125032.1650816-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
- remove ioremap_nocache given that is is equivalent to
ioremap everywhere
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Merge tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap
Pull ioremap updates from Christoph Hellwig:
"Remove the ioremap_nocache API (plus wrappers) that are always
identical to ioremap"
* tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap:
remove ioremap_nocache and devm_ioremap_nocache
MIPS: define ioremap_nocache to ioremap
Fix up inconsistent usage of upper and lowercase letters in "Samsung"
and "Exynos" names.
"SAMSUNG" and "EXYNOS" are not abbreviations but regular trademarked
names. Therefore they should be written with lowercase letters starting
with capital letter.
The lowercase "Exynos" name is promoted by its manufacturer Samsung
Electronics Co., Ltd., in advertisement materials and on website.
Although advertisement materials usually use uppercase "SAMSUNG", the
lowercase version is used in all legal aspects (e.g. on Wikipedia and in
privacy/legal statements on
https://www.samsung.com/semiconductor/privacy-global/).
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200104152107.11407-7-krzk@kernel.org
As we introduced the idle injection cooling device called
cpuidle_cooling, let's be consistent and rename the cpu_cooling to
cpufreq_cooling as this one mitigates with OPPs changes.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Link: https://lore.kernel.org/r/20191219225317.17158-3-daniel.lezcano@linaro.org
Provide some documentation for the idle injection cooling effect in
order to let people to understand the rational of the approach for the
idle injection CPU cooling device.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20191219225317.17158-1-daniel.lezcano@linaro.org
gpiochip_set_chained_irqchip() would assign a chained handler
to a GPIO chip. We now populate struct gpio_irq_chip for all
chained GPIO irqchips so drop this function.
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20200113220800.77817-1-linus.walleij@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Update the provider and client documentation with details about the
metadata support.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20191223110458.30766-4-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The text in this new document is a response to recurring questions
about the GPIO in-kernel API vs the userspace ABI. When do you use
one or the other? It can be a bit intuitive, but I tried to sum it
all up.
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Link: https://lore.kernel.org/r/20200108001712.47500-1-linus.walleij@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
ioremap has provided non-cached semantics by default since the Linux 2.6
days, so remove the additional ioremap_nocache interface.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
The interconnect graphs can be difficult to understand and the current
"interconnect_summary" file doesn't even display links in any way.
Add a new "interconnect_graph" file to debugfs in the graphviz "dot"
format which describes interconnect providers, nodes and links.
The file is human-readable and can be visualized by piping through
graphviz. Example:
ssh $TARGET cat /sys/kernel/debug/interconnect/interconnect_graph \
| dot -Tsvg > interconnect_graph.svg
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Many IPMB devices don't support smbus protocol and this driver
only supports the smbus protocol at the moment.
Added support for the i2c protocol as well. There will be a variable
"i2c-protocol" passed by the device tree or ACPI table which determines
whether the protocol is i2c or smbus.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Reviewed-by: Asmaa Mnebhi <asmaa@mellanox.com>
Message-Id: <20191211185604.1266063-1-vijaykhemka@fb.com>
[IPMB.txt had moved to driver-api/ipmb.rst, I adjusted]
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Pull thermal management updates from Zhang Rui:
- Fix a deadlock regression in thermal core framework, which was
introduced in 5.3 (Wei Wang)
- Initialize thermal control framework earlier to enable thermal
mitigation during boot (Amit Kucheria)
- Convert the Intelligent Power Allocator (IPA) thermal governor to
follow the generic PM_EM instead of its own Energy Model (Quentin
Perret)
- Introduce a new Amlogic soc thermal driver (Guillaume La Roque)
- Add interrupt support for tsens thermal driver (Amit Kucheria)
- Add support for MSM8956/8976 in tsens thermal driver
(AngeloGioacchino Del Regno)
- Add support for r8a774b1 in rcar thermal driver (Biju Das)
- Add support for Thermal Monitor Unit v2 in qoriq thermal driver
(Yuantian Tang)
- Some other fixes/cleanups on thermal core framework and soc thermal
drivers (Colin Ian King, Daniel Lezcano, Hsin-Yi Wang, Tian Tao)
* 'thermal/next' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (32 commits)
thermal: Fix deadlock in thermal thermal_zone_device_check
thermal: cpu_cooling: Migrate to using the EM framework
thermal: cpu_cooling: Make the power-related code depend on IPA
PM / EM: Declare EM data types unconditionally
arm64: defconfig: Enable CONFIG_ENERGY_MODEL
drivers: thermal: tsens: fix potential integer overflow on multiply
thermal: cpu_cooling: Reorder the header file
thermal: cpu_cooling: Remove pointless dependency on CONFIG_OF
thermal: no need to set .owner when using module_platform_driver
thermal: qcom: tsens-v1: Fix kfree of a non-pointer value
cpufreq: qcom-hw: Move driver initialization earlier
clk: qcom: Initialize clock drivers earlier
cpufreq: Initialize cpufreq-dt driver earlier
cpufreq: Initialize the governors in core_initcall
thermal: Initialize thermal subsystem earlier
thermal: Remove netlink support
dt: thermal: tsens: Document compatible for MSM8976/56
thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976
MAINTAINERS: add entry for Amlogic Thermal driver
thermal: amlogic: Add thermal driver to support G12 SoCs
...
- Various kerneldoc script enhancements.
- More RST conversions; those are slowing down as we run out of things to
convert, but we're a ways from done still.
- Dan's "maintainer profile entry" work landed at last. Now we just need
to get maintainers to fill in the profiles...
- A reworking of the parallel build setup to work better with a variety of
systems (and to not take over huge systems entirely in particular).
- The MAINTAINERS file is now converted to RST during the build.
Hopefully nobody ever tries to print this thing, or they will need to
load a lot of paper.
- A script and documentation making it easy for maintainers to add Link:
tags at commit time.
Also included is the removal of a bunch of spurious CR characters.
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Merge tag 'docs-5.5a' of git://git.lwn.net/linux
Pull Documentation updates from Jonathan Corbet:
"Here are the main documentation changes for 5.5:
- Various kerneldoc script enhancements.
- More RST conversions; those are slowing down as we run out of
things to convert, but we're a ways from done still.
- Dan's "maintainer profile entry" work landed at last. Now we just
need to get maintainers to fill in the profiles...
- A reworking of the parallel build setup to work better with a
variety of systems (and to not take over huge systems entirely in
particular).
- The MAINTAINERS file is now converted to RST during the build.
Hopefully nobody ever tries to print this thing, or they will need
to load a lot of paper.
- A script and documentation making it easy for maintainers to add
Link: tags at commit time.
Also included is the removal of a bunch of spurious CR characters"
* tag 'docs-5.5a' of git://git.lwn.net/linux: (91 commits)
docs: remove a bunch of stray CRs
docs: fix up the maintainer profile document
libnvdimm, MAINTAINERS: Maintainer Entry Profile
Maintainer Handbook: Maintainer Entry Profile
MAINTAINERS: Reclaim the P: tag for Maintainer Entry Profile
docs, parallelism: Rearrange how jobserver reservations are made
docs, parallelism: Do not leak blocking mode to other readers
docs, parallelism: Fix failure path and add comment
Documentation: Remove bootmem_debug from kernel-parameters.txt
Documentation: security: core.rst: fix warnings
Documentation/process/howto/kokr: Update for 4.x -> 5.x versioning
Documentation/translation: Use Korean for Korean translation title
docs/memory-barriers.txt: Remove remaining references to mmiowb()
docs/memory-barriers.txt/kokr: Update I/O section to be clearer about CPU vs thread
docs/memory-barriers.txt/kokr: Fix style, spacing and grammar in I/O section
Documentation/kokr: Kill all references to mmiowb()
docs/memory-barriers.txt/kokr: Rewrite "KERNEL I/O BARRIER EFFECTS" section
docs: Add initial documentation for devfreq
Documentation: Document how to get links with git am
docs: Add request_irq() documentation
...
Core changes:
- Expose pull up/down flags for the GPIO character device to
userspace. After clear input from the RaspberryPi and Beagle
communities, it has been established that prototyping,
industrial automation and make communities strongly need
this feature, and as we want people to use the character
device, we have implemented the simple pull up/down
interface for GPIO lines. This means we can specify that
a (chip-specific) pull up/down resistor can be enabled,
but does not offer fine-grained control such as cases
where the resistance of the same pull resistor can be
controlled (yet).
- Introduce devm_fwnode_gpiod_get_index() and start to phase out
the old symbol devm_fwnode_get_index_gpiod_from_child().
- A bit of documentation clean-up work.
- Introduce a define for GPIO line directions and deploy it
in all GPIO drivers in the drivers/gpio directory.
- Add a special callback to populate pin ranges when
cooperating with the pin control subsystem and registering
ranges as part of adding a gpiolib driver and a
gpio_irq_chip driver at the same time. This is also
deployed in the Intel Merrifield driver.
New drivers:
- RDA Micro GPIO controller.
- XGS-iproc GPIO driver.
Driver improvements:
- Wake event and debounce support on the Tegra 186 driver.
- Finalize the Aspeed SGPIO driver.
- MPC8xxx uses a normal IRQ handler rather than a chained
handler.
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Merge tag 'gpio-v5.5-1' 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 v5.5 kernel cycle
Core changes:
- Expose pull up/down flags for the GPIO character device to
userspace.
After clear input from the RaspberryPi and Beagle communities, it
has been established that prototyping, industrial automation and
make communities strongly need this feature, and as we want people
to use the character device, we have implemented the simple pull
up/down interface for GPIO lines.
This means we can specify that a (chip-specific) pull up/down
resistor can be enabled, but does not offer fine-grained control
such as cases where the resistance of the same pull resistor can be
controlled (yet).
- Introduce devm_fwnode_gpiod_get_index() and start to phase out the
old symbol devm_fwnode_get_index_gpiod_from_child().
- A bit of documentation clean-up work.
- Introduce a define for GPIO line directions and deploy it in all
GPIO drivers in the drivers/gpio directory.
- Add a special callback to populate pin ranges when cooperating with
the pin control subsystem and registering ranges as part of adding
a gpiolib driver and a gpio_irq_chip driver at the same time. This
is also deployed in the Intel Merrifield driver.
New drivers:
- RDA Micro GPIO controller.
- XGS-iproc GPIO driver.
Driver improvements:
- Wake event and debounce support on the Tegra 186 driver.
- Finalize the Aspeed SGPIO driver.
- MPC8xxx uses a normal IRQ handler rather than a chained handler"
* tag 'gpio-v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (64 commits)
gpio: Add TODO item for regmap helper
Documentation: gpio: driver.rst: Fix warnings
gpio: of: Fix bogus reference to gpiod_get_count()
gpiolib: Grammar s/manager/managed/
gpio: lynxpoint: Setup correct IRQ handlers
MAINTAINERS: Replace my email by one @kernel.org
gpiolib: acpi: Make acpi_gpiochip_alloc_event always return AE_OK
gpio/mpc8xxx: fix qoriq GPIO reading
gpio: mpc8xxx: Don't overwrite default irq_set_type callback
gpiolib: acpi: Print pin number on acpi_gpiochip_alloc_event errors
gpiolib: fix coding style in gpiod_hog()
drm/bridge: ti-tfp410: switch to using fwnode_gpiod_get_index()
gpio: merrifield: Pass irqchip when adding gpiochip
gpio: merrifield: Add GPIO <-> pin mapping ranges via callback
gpiolib: Introduce ->add_pin_ranges() callback
gpio: mmio: remove untrue leftover comment
gpio: em: Use platform_get_irq() to obtain interrupts
gpio: tegra186: Add debounce support
gpio: tegra186: Program interrupt route mapping
gpio: tegra186: Derive register offsets from bank/port
...
- Add support for a "resource managed strongly uncachable ioremap" call
- Provide a collection of MFD helper macros
- Remove mfd_clone_cell() from MFD core
- Add NULL de-reference protection in MFD core
- Remove superfluous function fd_platform_add_cell() from MFD core
- Honour Device Tree's request to disable a device
- New Drivers
- Add support for MediaTek MT6323 PMIC
- New Device Support
- Add support for Gemini Lake to Intel LPSS PCI
- Add support for Cherry Trail Crystal Cover PMIC to Intel SoC PMIC CRC
- Add support for PM{I}8950 to Qualcomm SPMI PMIC
- Add support for U8420 to ST-Ericsson DB8500
- Add support for Comet Lake PCH-H to Intel LPSS PCI
- New Functionality
- Add support for requested supply clocks; madera-core
- Fix-ups
- Lower interrupt priority; rk808
- Use provided helpers (macros, group functions, defines); rk808,
ipaq-micro, ab8500-core, db8500-prcmu, mt6397-core, cs5535-mfd
- Only allocate IRQs on request; max77620
- Use simplified API; arizona-core
- Remove redundant and/or duplicated code; wm8998-tables, arizona, syscon
- Device Tree binding fix-ups; madera, max77650, max77693
- Remove mfd_cell->id abuse hack; cs5535-mfd
- Remove only user of mfd_clone_cell(); cs5535-mfd
- Make resources static; rohm-bd70528
- Bug Fixes
- Fix product ID for RK818; rk808
- Fix Power Key; rk808
- Fix booting on the BananaPi; mt6397-core
- Endian fix-ups; twl.h
- Fix static error checker warnings; ti_am335x_tscadc
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Merge tag 'mfd-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Add support for a "resource managed strongly uncachable ioremap"
call
- Provide a collection of MFD helper macros
- Remove mfd_clone_cell() from MFD core
- Add NULL de-reference protection in MFD core
- Remove superfluous function fd_platform_add_cell() from MFD core
- Honour Device Tree's request to disable a device
New Drivers:
- Add support for MediaTek MT6323 PMIC
New Device Support:
- Add support for Gemini Lake to Intel LPSS PCI
- Add support for Cherry Trail Crystal Cover PMIC to Intel SoC PMIC
CRC
- Add support for PM{I}8950 to Qualcomm SPMI PMIC
- Add support for U8420 to ST-Ericsson DB8500
- Add support for Comet Lake PCH-H to Intel LPSS PCI
New Functionality:
- Add support for requested supply clocks; madera-core
Fix-ups:
- Lower interrupt priority; rk808
- Use provided helpers (macros, group functions, defines); rk808,
ipaq-micro, ab8500-core, db8500-prcmu, mt6397-core, cs5535-mfd
- Only allocate IRQs on request; max77620
- Use simplified API; arizona-core
- Remove redundant and/or duplicated code; wm8998-tables, arizona,
syscon
- Device Tree binding fix-ups; madera, max77650, max77693
- Remove mfd_cell->id abuse hack; cs5535-mfd
- Remove only user of mfd_clone_cell(); cs5535-mfd
- Make resources static; rohm-bd70528
Bug Fixes:
- Fix product ID for RK818; rk808
- Fix Power Key; rk808
- Fix booting on the BananaPi; mt6397-core
- Endian fix-ups; twl.h
- Fix static error checker warnings; ti_am335x_tscadc"
* tag 'mfd-next-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (47 commits)
Revert "mfd: syscon: Set name of regmap_config"
mfd: ti_am335x_tscadc: Fix static checker warning
mfd: bd70528: Staticize bit value definitions
mfd: mfd-core: Honour Device Tree's request to disable a child-device
dt-bindings: mfd: max77693: Fix missing curly brace
mfd: intel-lpss: Add Intel Comet Lake PCH-H PCI IDs
mfd: db8500-prcmu: Support U8420-sysclk firmware
dt-bindings: mfd: max77650: Convert the binding document to yaml
mfd: mfd-core: Move pdev->mfd_cell creation back into mfd_add_device()
mfd: mfd-core: Remove usage counting for .{en,dis}able() call-backs
x86: olpc-xo1-sci: Remove invocation of MFD's .enable()/.disable() call-backs
x86: olpc-xo1-pm: Remove invocation of MFD's .enable()/.disable() call-backs
mfd: mfd-core: Remove mfd_clone_cell()
mfd: mfd-core: Protect against NULL call-back function pointer
mfd: cs5535-mfd: Register clients using their own dedicated MFD cell entries
mfd: cs5535-mfd: Request shared IO regions centrally
mfd: cs5535-mfd: Remove mfd_cell->id hack
mfd: cs5535-mfd: Use PLATFORM_DEVID_* defines and tidy error message
mfd: intel_soc_pmic_crc: Add "cht_crystal_cove_pmic" cell to CHT cells
mfd: madera: Add support for requesting the supply clocks
...
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Merge tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Lots of stuff in here, though it hasn't been too insane this merge
apart from dealing with the security fun.
uapi:
- export different colorspace properties on DP vs HDMI
- new fourcc for ARM 16x16 block format
- syncobj: allow querying last submitted timeline value
- DRM_FORMAT_BIG_ENDIAN defined as unsigned
core:
- allow using gem vma manager in ttm
- connector/encoder/bridge doc fixes
- allow more than 3 encoders for a connector
- displayport mst suspend/resume reprobing support
- vram lazy unmapping, uniform vram mm and gem vram
- edid cleanups + AVI informframe bar info
- displayport helpers - dpcd parser added
dp_cec:
- Allow a connector to be associated with a cec device
ttm:
- pipelining with no_gpu_wait fix
- always keep BOs on the LRU
sched:
- allow free_job routine to sleep
i915:
- Block userptr from mappable GTT
- i915 perf uapi versioning
- OA stream dynamic reconfiguration
- make context persistence optional
- introduce DRM_I915_UNSTABLE Kconfig
- add fake lmem testing under unstable
- BT.2020 support for DP MSA
- struct mutex elimination
- Tigerlake display/PLL/power management improvements
- Jasper Lake PCH support
- refactor PMU for multiple GPUs
- Icelake firmware update
- Split out vga + switcheroo code
amdgpu:
- implement dma-buf import/export without helpers
- vega20 RAS enablement
- DC i2c over aux fixes
- renoir GPU reset
- DC HDCP support
- BACO support for CI/VI asics
- MSI-X support
- Arcturus EEPROM support
- Arcturus VCN encode support
- VCN dynamic powergating on RV/RV2
amdkfd:
- add navi12/14/renoir support to kfd
radeon:
- SI dpm fix ported from amdgpu
- fix bad DMA on ppc platforms
gma500:
- memory leak fixes
qxl:
- convert to new gem mmap
exynos:
- build warning fix
komeda:
- add aclk sysfs attribute
v3d:
- userspace cleanup uapi change
i810:
- fix for underflow in dispatch ioctls
ast:
- refactor show_cursor
mgag200:
- refactor show_cursor
arcgpu:
- encoder finding improvements
mediatek:
- mipi_tx, dsi and partial crtc support for MT8183 SoC
- rotation support
meson:
- add suspend/resume support
omap:
- misc refactors
tegra:
- DisplayPort support for Tegra 210, 186 and 194.
- IOMMU-backed DMA API fixes
panfrost:
- fix lockdep issue
- simplify devfreq integration
rcar-du:
- R8A774B1 SoC support
- fixes for H2 ES2.0
sun4i:
- vcc-dsi regulator support
virtio-gpu:
- vmexit vs spinlock fix
- move to gem shmem helpers
- handle large command buffers with cma"
* tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm: (1855 commits)
drm/amdgpu: invalidate mmhub semaphore workaround in gmc9/gmc10
drm/amdgpu: initialize vm_inv_eng0_sem for gfxhub and mmhub
drm/amd/amdgpu/sriov skip RLCG s/r list for arcturus VF.
drm/amd/amdgpu/sriov temporarily skip ras,dtm,hdcp for arcturus VF
drm/amdgpu/gfx10: re-init clear state buffer after gpu reset
merge fix for "ftrace: Rework event_create_dir()"
drm/amdgpu: Update Arcturus golden registers
drm/amdgpu/gfx10: fix out-of-bound mqd_backup array access
drm/amdgpu/gfx10: explicitly wait for cp idle after halt/unhalt
Revert "drm/amd/display: enable S/G for RAVEN chip"
drm/amdgpu: disable gfxoff on original raven
drm/amdgpu: remove experimental flag for Navi14
drm/amdgpu: disable gfxoff when using register read interface
drm/amdgpu/powerplay: properly set PP_GFXOFF_MASK (v2)
drm/amdgpu: fix bad DMA from INTERRUPT_CNTL2
drm/radeon: fix bad DMA from INTERRUPT_CNTL2
drm/amd/display: Fix debugfs on MST connectors
drm/amdgpu/nv: add asic func for fetching vbios from rom directly
drm/amdgpu: put flush_delayed_work at first
drm/amdgpu/vcn2.5: fix the enc loop with hw fini
...
Here is the "big" set of driver core patches for 5.5-rc1
There's a few minor cleanups and fixes in here, but the majority of the
patches in here fall into two buckets:
- debugfs api cleanups and fixes
- driver core device link support for boot dependancy issues
The debugfs api cleanups are working to slowly refactor the debugfs apis
so that it is even harder to use incorrectly. That work has been
happening for the past few kernel releases and will continue over time,
it's a long-term project/goal
The driver core device link support missed 5.4 by just a bit, so it's
been sitting and baking for many months now. It's from Saravana Kannan
to help resolve the problems that DT-based systems have at boot time
with dependancy graphs and kernel modules. Turns out that no one has
actually tried to build a generic arm64 kernel with loads of modules and
have it "just work" for a variety of platforms (like a distro kernel)
The big problem turned out to be a lack of depandancy information
between different areas of DT entries, and the work here resolves that
problem and now allows devices to boot properly, and quicker than a
monolith kernel.
All of these patches 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 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of driver core patches for 5.5-rc1
There's a few minor cleanups and fixes in here, but the majority of
the patches in here fall into two buckets:
- debugfs api cleanups and fixes
- driver core device link support for boot dependancy issues
The debugfs api cleanups are working to slowly refactor the debugfs
apis so that it is even harder to use incorrectly. That work has been
happening for the past few kernel releases and will continue over
time, it's a long-term project/goal
The driver core device link support missed 5.4 by just a bit, so it's
been sitting and baking for many months now. It's from Saravana Kannan
to help resolve the problems that DT-based systems have at boot time
with dependancy graphs and kernel modules. Turns out that no one has
actually tried to build a generic arm64 kernel with loads of modules
and have it "just work" for a variety of platforms (like a distro
kernel). The big problem turned out to be a lack of dependency
information between different areas of DT entries, and the work here
resolves that problem and now allows devices to boot properly, and
quicker than a monolith kernel.
All of these patches have been in linux-next for a long time with no
reported issues"
* tag 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (68 commits)
tracing: Remove unnecessary DEBUG_FS dependency
of: property: Add device link support for interrupt-parent, dmas and -gpio(s)
debugfs: Fix !DEBUG_FS debugfs_create_automount
of: property: Add device link support for "iommu-map"
of: property: Fix the semantics of of_is_ancestor_of()
i2c: of: Populate fwnode in of_i2c_get_board_info()
drivers: base: Fix Kconfig indentation
firmware_loader: Fix labels with comma for builtin firmware
driver core: Allow device link operations inside sync_state()
driver core: platform: Declare ret variable only once
cpu-topology: declare parse_acpi_topology in <linux/arch_topology.h>
crypto: hisilicon: no need to check return value of debugfs_create functions
driver core: platform: use the correct callback type for bus_find_device
firmware_class: make firmware caching configurable
driver core: Clarify documentation for fwnode_operations.add_links()
mailbox: tegra: Fix superfluous IRQ error message
net: caif: Fix debugfs on 64-bit platforms
mac80211: Use debugfs_create_xul() helper
media: c8sectpfe: no need to check return value of debugfs_create functions
of: property: Add device link support for iommus, mboxes and io-channels
...
Here is the big staging and iio set of patches for the 5.5-rc1 release.
It's the usual huge collection of cleanup patches all over the
drivers/staging/ area, along with a new staging driver, and a bunch of
new IIO drivers as well.
Full details are in the shortlog, but 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 'staging-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / iio updates from Greg KH:
"Here is the big staging and iio set of patches for the 5.5-rc1
release.
It's the usual huge collection of cleanup patches all over the
drivers/staging/ area, along with a new staging driver, and a bunch of
new IIO drivers as well.
Full details are in the shortlog, but all of these have been in
linux-next for a long time with no reported issues"
* tag 'staging-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (548 commits)
staging: vchiq: Have vchiq_dump_* functions return an error code
staging: vchiq: Refactor indentation in vchiq_dump_* functions
staging: fwserial: Fix Kconfig indentation (seven spaces)
staging: vchiq_dump: Replace min with min_t
staging: vchiq: Fix block comment format in vchiq_dump()
staging: octeon: indent with tabs instead of spaces
staging: comedi: usbduxfast: usbduxfast_ai_cmdtest rounding error
staging: most: core: remove sysfs attr remove_link
staging: vc04: Fix Kconfig indentation
staging: pi433: Fix Kconfig indentation
staging: nvec: Fix Kconfig indentation
staging: most: Fix Kconfig indentation
staging: fwserial: Fix Kconfig indentation
staging: fbtft: Fix Kconfig indentation
fbtft: Drop OF dependency
fbtft: Make use of device property API
fbtft: Drop useless #ifdef CONFIG_OF and dead code
fbtft: Describe function parameters in kernel-doc
fbtft: Make sure string is NULL terminated
staging: rtl8723bs: remove set but not used variable 'change', 'pos'
...
Mainly a collection of smaller of driver updates this cycle.
- Various driver updates and bug fixes for siw, bnxt_re, hns, qedr,
iw_cxgb4, vmw_pvrdma, mlx5
- Improvements in SRPT from working with iWarp
- SRIOV VF support for bnxt_re
- Skeleton kernel-doc files for drivers/infiniband
- User visible counters for events related to ODP
- Common code for tracking of mmap lifetimes so that drivers can link HW
object liftime to a VMA
- ODP bug fixes and rework
- RDMA READ support for efa
- Removal of the very old cxgb3 driver
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Again another fairly quiet cycle with few notable core code changes
and the usual variety of driver bug fixes and small improvements.
- Various driver updates and bug fixes for siw, bnxt_re, hns, qedr,
iw_cxgb4, vmw_pvrdma, mlx5
- Improvements in SRPT from working with iWarp
- SRIOV VF support for bnxt_re
- Skeleton kernel-doc files for drivers/infiniband
- User visible counters for events related to ODP
- Common code for tracking of mmap lifetimes so that drivers can link
HW object liftime to a VMA
- ODP bug fixes and rework
- RDMA READ support for efa
- Removal of the very old cxgb3 driver"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (168 commits)
RDMA/hns: Delete unnecessary callback functions for cq
RDMA/hns: Rename the functions used inside creating cq
RDMA/hns: Redefine the member of hns_roce_cq struct
RDMA/hns: Redefine interfaces used in creating cq
RDMA/efa: Expose RDMA read related attributes
RDMA/efa: Support remote read access in MR registration
RDMA/efa: Store network attributes in device attributes
IB/hfi1: remove redundant assignment to variable ret
RDMA/bnxt_re: Fix missing le16_to_cpu
RDMA/bnxt_re: Fix stat push into dma buffer on gen p5 devices
RDMA/bnxt_re: Fix chip number validation Broadcom's Gen P5 series
RDMA/bnxt_re: Fix Kconfig indentation
IB/mlx5: Implement callbacks for getting VFs GUID attributes
IB/ipoib: Add ndo operation for getting VFs GUID attributes
IB/core: Add interfaces to get VF node and port GUIDs
net/core: Add support for getting VF GUIDs
RDMA/qedr: Fix null-pointer dereference when calling rdma_user_mmap_get_offset
RDMA/cm: Use refcount_t type for refcount variable
IB/mlx5: Support extended number of strides for Striding RQ
IB/mlx4: Update HW GID table while adding vlan GID
...
- Atomics-related code sees some rework & cleanup, most notably allowing
Loongson LL/SC errata workarounds to be more bulletproof & their
correctness to be checked at build time.
- Command line setup code is simplified somewhat, resolving various
corner cases.
- MIPS kernels can now be built with kcov code coverage support.
- We can now build with CONFIG_FORTIFY_SOURCE=y.
- Miscellaneous cleanups.
And some platform specific changes:
- We now disable some broken TLB functionality on certain Ingenic
systems, and JZ4780 systems gain some devicetree nodes to support
more devices.
- Loongson support sees a number of cleanups, and we gain initial
support for Loongson 3A R4 systems.
- We gain support for MediaTek MT7688-based GARDENA Smart Gateway
systems.
- SGI IP27 (Origin 2*) see a number of fixes, cleanups &
simplifications.
- SGI IP30 (Octane) systems are now supported.
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Merge tag 'mips_5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Paul Burton:
"The main MIPS changes for 5.5:
- Atomics-related code sees some rework & cleanup, most notably
allowing Loongson LL/SC errata workarounds to be more bulletproof &
their correctness to be checked at build time.
- Command line setup code is simplified somewhat, resolving various
corner cases.
- MIPS kernels can now be built with kcov code coverage support.
- We can now build with CONFIG_FORTIFY_SOURCE=y.
- Miscellaneous cleanups.
And some platform specific changes:
- We now disable some broken TLB functionality on certain Ingenic
systems, and JZ4780 systems gain some devicetree nodes to support
more devices.
- Loongson support sees a number of cleanups, and we gain initial
support for Loongson 3A R4 systems.
- We gain support for MediaTek MT7688-based GARDENA Smart Gateway
systems.
- SGI IP27 (Origin 2*) see a number of fixes, cleanups &
simplifications.
- SGI IP30 (Octane) systems are now supported"
* tag 'mips_5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (107 commits)
MIPS: SGI-IP27: Enable ethernet phy on second Origin 200 module
MIPS: PCI: Fix fake subdevice ID for IOC3
MIPS: Ingenic: Disable abandoned HPTLB function.
MIPS: PCI: remember nasid changed by set interrupt affinity
MIPS: SGI-IP27: Fix crash, when CPUs are disabled via nr_cpus parameter
mips: add support for folded p4d page tables
mips: drop __pXd_offset() macros that duplicate pXd_index() ones
mips: fix build when "48 bits virtual memory" is enabled
MIPS: math-emu: Reuse name array in debugfs_fpuemu()
MIPS: allow building with kcov coverage
MIPS: Loongson64: Drop setup_pcimap
MIPS: Loongson2ef: Convert to early_printk_8250
MIPS: Drop CPU_SUPPORTS_UNCACHED_ACCELERATED
MIPS: Loongson{2ef, 32, 64} convert to generic fw cmdline
MIPS: Drop pmon.h
MIPS: Loongson: Unify LOONGSON3/LOONGSON64 Kconfig usage
MIPS: Loongson: Rename LOONGSON1 to LOONGSON32
MIPS: Loongson: Fix return value of loongson_hwmon_init
MIPS: add support for SGI Octane (IP30)
MIPS: PCI: make phys_to_dma/dma_to_phys for pci-xtalk-bridge common
...
Fix warnings due to incorrect rst markup. Also improved the presentation
a little without changing the underlying content.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Link: https://lore.kernel.org/r/20191122034702.58563-1-dwlsalmeida@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
