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We should only consider max_uA constraints if they are explicitly defined.
In cases where it is not set, we should assume the regulator has no current
limit.
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20241121-feature_poe_port_prio-v3-2-83299fa6967c@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Setting GPIO direction = high, sometimes results in GPIO value = 0.
If a GPIO is pulled high, the following construction results in the
value being 0 when the desired value is 1:
$ echo "high" > /sys/class/gpio/gpio336/direction
$ cat /sys/class/gpio/gpio336/value
0
Before the GPIO direction is changed from an input to an output,
exar_set_value() is called with value = 1, but since the GPIO is an
input when exar_set_value() is called, _regmap_update_bits() reads a 1
due to an external pull-up. regmap_set_bits() sets force_write =
false, so the value (1) is not written. When the direction is then
changed, the GPIO becomes an output with the value of 0 (the hardware
default).
regmap_write_bits() sets force_write = true, so the value is always
written by exar_set_value() and an external pull-up doesn't affect the
outcome of setting direction = high.
The same can happen when a GPIO is pulled low, but the scenario is a
little more complicated.
$ echo high > /sys/class/gpio/gpio351/direction
$ cat /sys/class/gpio/gpio351/value
1
$ echo in > /sys/class/gpio/gpio351/direction
$ cat /sys/class/gpio/gpio351/value
0
$ echo low > /sys/class/gpio/gpio351/direction
$ cat /sys/class/gpio/gpio351/value
1
Fixes: 36fb7218e878 ("gpio: exar: switch to using regmap")
Co-developed-by: Matthew McClain <mmcclain@noprivs.com>
Signed-off-by: Matthew McClain <mmcclain@noprivs.com>
Signed-off-by: Sai Kumar Cholleti <skmr537@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20241105071523.2372032-1-skmr537@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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During conversion driver to modern APIs the base field initial value
of the GPIO chip was moved from -1 to 0, which triggers a warning.
Add missed base initialisation as it was in the original code.
Initialise the GPIO chip label correctly as it was done by
of_mm_gpiochip_add_data() before the below mentioned change.
Fixes: 50dded8d9d62 ("gpio: altera: Drop legacy-of-mm-gpiochip.h header")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20241118095402.516989-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Initialise the GPIO chip label correctly as it was done by
of_mm_gpiochip_add_data() before the below mentioned change.
Fixes: cf8f4462e5fa ("gpio: zevio: drop of_gpio.h header")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20241118092729.516736-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Pull in the fixes branch to resolve conflict in UFS core.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"Nothing particular important in the SoC driver updates, just the usual
improvements to for drivers/soc and a couple of subsystems that don't
fit anywhere else:
- The largest set of updates is for Qualcomm SoC drivers, extending
the set of supported features for additional SoCs in the QSEECOM,
LLCC and socinfo drivers.a
- The ti_sci firmware driver gains support for power managment
- The drivers/reset subsystem sees a rework of the microchip sparx5
and amlogic reset drivers to support additional chips, plus a few
minor updates on other platforms
- The SCMI firmware interface driver gains support for two protocol
extensions, allowing more flexible use of the shared memory area
and new DT binding properties for configurability.
- Mediatek SoC drivers gain support for power managment on the MT8188
SoC and a new driver for DVFS.
- The AMD/Xilinx ZynqMP SoC drivers gain support for system reboot
and a few bugfixes
- The Hisilicon Kunpeng HCCS driver gains support for configuring
lanes through sysfs
Finally, there are cleanups and minor fixes for drivers/{soc, bus,
memory}, including changing back the .remove_new callback to .remove,
as well as a few other updates for freescale (powerpc) soc drivers,
NXP i.MX soc drivers, cznic turris platform driver, memory controller
drviers, TI OMAP SoC drivers, and Tegra firmware drivers"
* tag 'soc-drivers-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (116 commits)
soc: fsl: cpm1: qmc: Set the ret error code on platform_get_irq() failure
soc: fsl: rcpm: fix missing of_node_put() in copy_ippdexpcr1_setting()
soc: fsl: cpm1: tsa: switch to for_each_available_child_of_node_scoped()
platform: cznic: turris-omnia-mcu: Rename variable holding GPIO line names
platform: cznic: turris-omnia-mcu: Document the driver private data structure
firmware: turris-mox-rwtm: Document the driver private data structure
bus: Switch back to struct platform_driver::remove()
soc: qcom: ice: Remove the device_link field in qcom_ice
drm/msm/adreno: Setup SMMU aparture for per-process page table
firmware: qcom: scm: Introduce CP_SMMU_APERTURE_ID
firmware: arm_scpi: Check the DVFS OPP count returned by the firmware
soc: qcom: socinfo: add IPQ5424/IPQ5404 SoC ID
dt-bindings: arm: qcom,ids: add SoC ID for IPQ5424/IPQ5404
soc: qcom: llcc: Flip the manual slice configuration condition
dt-bindings: firmware: qcom,scm: Document sm8750 SCM
firmware: qcom: uefisecapp: Allow X1E Devkit devices
misc: lan966x_pci: Fix dtc warn 'Missing interrupt-parent'
misc: lan966x_pci: Fix dtc warns 'missing or empty reg/ranges property'
soc: qcom: llcc: Add LLCC configuration for the QCS8300 platform
dt-bindings: cache: qcom,llcc: Document the QCS8300 LLCC
...
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Pull SoC devicetree updates from Arnd Bergmann:
"This release adds the devicetree files for an impressive number of new
SoC variants, though as expected these are all related to others we
already support:
- The microchip sam9x7 devicetree is now added, after the device
driver and platform code has already made it in. This is likely the
last ARMv5 (!) platform to ever get added, updating the 20+ year
old at91/sam9 platform with DDR3 memory and gigabit ethernet.
- On the Apple platform, there are now devicetree files for a number
of A-series SoCs in addition to the M-series ones, these are used
primarily in phones and tablets, but are closely related to the
already supported chips.
- Samsung Exynos 8895 and Exynos 990 are more phone SoCs used in
older Samsung Galaxy phones.
- Qualcomm Snapdragon 778G (SM7325) is another phone SoC, closely
related to the Snapdragon 7c+ Gen 3 (SC7280) used in low-end
laptops.
- Rockchip RK3528 and RK3576 are new variants of their TV box and
Tablet chips, still using the older ARMv8.0 cores from
RK3328/RK3399 but with a newer process and other improvements from
the RK35xx (otherwise ARMv8.2) chips. RK3566T and RK3399-S are also
added, these are just lower-cost versions of their normal
counterparts.
- TI J742S2 is a feature-reduced version of the J784s4
industrial/automotive SoC, with fewer CPU cores.
- Sophgo SG2002 is an embedded SoC with one RISC-V (C906) and one ARM
(Cortex-A53) core, at this point support is only added for running
on the RISC-V side on the LicheeRV Nano board.
A total of 92 new .dts files describing individual machines is added,
which must be a new record. The majority of these is for the newly
added chips above, notably all the Apple phones and tablets. The other
new machines include nine industrial/embedded boards with NXP i.MX6 or
i.MX8 SoCs, eight for Rockchips RK35XX and one or two each for
Rockchips RV1109, RK3308, Allwinner A33, Tegra 234, Qualcomm
qcs9100/sc8280xp/x1e80100, TI AM625 and Starfive JH7110.
As usual there are also many newly added features in existing boards
as well as cleanups and minor bugfixes"
* tag 'soc-dt-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (718 commits)
arm64: dts: apm: Remove unused and undocumented "bus_num" property
arm: dts: spear13xx: Remove unused and undocumented "pl022,slave-tx-disable" property
arm64: dts: amd: Remove unused and undocumented "amd,zlib-support" property
arm64: dts: lg131x: Update spi clock properties
arm64: dts: seattle: Update spi clock properties
arm64: dts: rockchip: use less broad pinctrl for pcie3x1 on Radxa E25
arm64: dts: rockchip: add Radxa ROCK 5C
dt-bindings: arm: rockchip: add Radxa ROCK 5C
arm64: dts: rockchip: orangepi-5-plus: Enable GPU
arm64: dts: rockchip: enable USB3 on NanoPC-T6
arm64: dts: rockchip: adapt regulator nodenames to preferred form
arm64: dts: rockchip: Enable HDMI display for rk3588 Cool Pi GenBook
arm64: dts: rockchip: Enable HDMI display for rk3588 Cool Pi 4B
arm64: dts: rockchip: Enable HDMI0 for rk3588 Cool Pi CM5 EVB
arm64: dts: rockchip: Enable HDMI on NanoPi R6C/R6S
arm64: dts: rockchip: Enable GPU on NanoPi R6C/R6S
arm64: dts: rockchip: Enable HDMI on Hardkernel ODROID-M2
arm64: dts: rockchip: Remove non-removable flag from sdmmc on rk3576-sige5
arm64: dts: allwinner: a100: perf1: Add eMMC and MMC node
arm64: dts: allwinner: pinephone: Add mount matrix to accelerometer
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"These are a number of unrelated cleanups, generally simplifying the
architecture specific header files:
- A series from Al Viro simplifies asm/vga.h, after it turns out that
most of it can be generalized.
- A series from Julian Vetter adds a common version of
memcpy_{to,from}io() and memset_io() and changes most architectures
to use that instead of their own implementation
- A series from Niklas Schnelle concludes his work to make PC style
inb()/outb() optional
- Nicolas Pitre contributes improvements for the generic do_div()
helper
- Christoph Hellwig adds a generic version of page_to_phys() and
phys_to_page(), replacing the slightly different architecture
specific definitions.
- Uwe Kleine-Koenig has a minor cleanup for ioctl definitions"
* tag 'asm-generic-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (24 commits)
empty include/asm-generic/vga.h
sparc: get rid of asm/vga.h
asm/vga.h: don't bother with scr_mem{cpy,move}v() unless we need to
vt_buffer.h: get rid of dead code in default scr_...() instances
tty: serial: export serial_8250_warn_need_ioport
lib/iomem_copy: fix kerneldoc format style
hexagon: simplify asm/io.h for !HAS_IOPORT
loongarch: Use new fallback IO memcpy/memset
csky: Use new fallback IO memcpy/memset
arm64: Use new fallback IO memcpy/memset
New implementation for IO memcpy and IO memset
watchdog: Add HAS_IOPORT dependency for SBC8360 and SBC7240
__arch_xprod64(): make __always_inline when optimizing for performance
ARM: div64: improve __arch_xprod_64()
asm-generic/div64: optimize/simplify __div64_const32()
lib/math/test_div64: add some edge cases relevant to __div64_const32()
asm-generic: add an optional pfn_valid check to page_to_phys
asm-generic: provide generic page_to_phys and phys_to_page implementations
asm-generic/io.h: Remove I/O port accessors for HAS_IOPORT=n
tty: serial: handle HAS_IOPORT dependencies
...
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
"Just some cleanups and bug fixes this time around:
- Align handling of the compiled-in command line with the core kernel
- Measure the initrd into the TPM also when it was loaded via the EFI
file I/O protocols
- Clean up TPM event log handling
- Sanity check the EFI memory attributes table, and apply it after
kexec too
- Assorted other fixes"
* tag 'efi-next-for-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: Fix memory leak in efivar_ssdt_load
efi/libstub: Take command line overrides into account for loaded files
efi/libstub: Fix command line fallback handling when loading files
efi/libstub: Parse builtin command line after bootloader provided one
x86/efi: Apply EFI Memory Attributes after kexec
x86/efi: Drop support for the EFI_PROPERTIES_TABLE
efi/memattr: Ignore table if the size is clearly bogus
efi/zboot: Fix outdated comment about using LoadImage/StartImage
efi/libstub: Free correct pointer on failure
libstub,tpm: do not ignore failure case when reading final event log
tpm: fix unsigned/signed mismatch errors related to __calc_tpm2_event_size
tpm: do not ignore memblock_reserve return value
tpm: fix signed/unsigned bug when checking event logs
efi/libstub: measure initrd to PCR9 independent of source
efi/libstub: remove unnecessary cmd_line_len from efi_convert_cmdline()
efi/libstub: fix efi_parse_options() ignoring the default command line
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen:
- alienware WMAX thermal interface support
- Split ACPI and platform device based amd/hsmp drivers
- AMD X3D frequency/cache mode switching support
- asus thermal policy fixes
- Disable C1 auto-demotion in suspend to allow entering the deepest
C-states
- Fix volume buttons on Thinkpad X12 Detachable Tablet Gen 1
- Replace intel_scu_ipc "workaround" with 32-bit IO
- Correct *_show() function error handling in panasonic-laptop
- Gemini Lake P2SB devfn correction
- think-lmi Admin/System certificate authentication support
- Disable WMI devices for shutdown, refactoring continues
- Vexia EDU ATLA 10 tablet support
- Surface Pro 9 5G (Arm/QCOM) support
- Misc cleanups / refactoring / improvements
* tag 'platform-drivers-x86-v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (69 commits)
platform/x86: p2sb: Cache correct PCI bar for P2SB on Gemini Lake
platform/x86: panasonic-laptop: Return errno correctly in show callback
Documentation: alienware-wmi: Describe THERMAL_INFORMATION operation 0x02
alienware-wmi: create_thermal_profile() no longer brute-forces IDs
alienware-wmi: Adds support to Alienware x17 R2
alienware-wmi: extends the list of supported models
alienware-wmi: order alienware_quirks[] alphabetically
platform/x86/intel/pmt: allow user offset for PMT callbacks
platform/x86/amd/hsmp: Change the error type
platform/x86/amd/hsmp: Add new error code and error logs
platform/x86/amd: amd_3d_vcache: Add sysfs ABI documentation
platform/x86/amd: amd_3d_vcache: Add AMD 3D V-Cache optimizer driver
intel-hid: fix volume buttons on Thinkpad X12 Detachable Tablet Gen 1
platform/x86/amd/hsmp: mark hsmp_msg_desc_table[] as maybe_unused
platform/x86: asus-wmi: Use platform_profile_cycle()
platform/x86: asus-wmi: Fix inconsistent use of thermal policies
platform/x86: hp: hp-bioscfg: remove redundant if statement
MAINTAINERS: Update ISHTP ECLITE maintainer entry
platform/x86: x86-android-tablets: Add support for Vexia EDU ATLA 10 tablet
platform/x86: x86-android-tablets: Add support for getting i2c_adapter by PCI parent devname()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fix from Mauro Carvalho Chehab:
- uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in
uvc_parse_format
* tag 'media/v6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_format
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- removal of the old omap4iss media driver
- mantis: remove orphan mantis_core.h
- add support for Raspberypi CFE
- uvc driver got a co-maintainer
- main media tree moved to git://linuxtv.org/media.git
- lots of driver cleanups, updates and fixes
* tag 'media/v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (233 commits)
docs: media: update location of the media patches
MAINTAINERS: update location of media main tree
media: MAINTAINERS: Add Hans de Goede as USB VIDEO CLASS co-maintainer
media: platform: samsung: s5p-jpeg: Remove deadcode
media: qcom: camss: Add MSM8953 resources
media: dt-bindings: Add qcom,msm8953-camss
media: qcom: camss: implement pm domain ops for VFE v4.1
media: platform: exynos4-is: Fix an OF node reference leak in fimc_md_is_isp_available
media: adv7180: Also check for "adi,force-bt656-4"
media: dt-bindings: adv7180: Document 'adi,force-bt656-4'
media: mgb4: Fix inconsistent input/output alignment in loopback mode
media: replace obsolete hans.verkuil@cisco.com alias
Documentation: media: improve V4L2_CID_MIN_BUFFERS_FOR_*, doc
media: vicodec: add V4L2_CID_MIN_BUFFERS_FOR_* controls
media: atomisp: Add check for rgby_data memory allocation failure
media: atomisp: remove redundant re-checking of err
media: atomisp: Fix spelling errors reported by codespell
media: atomisp: Remove License information boilerplate
media: atomisp: Fix typos in comment
media: atomisp: hmm_bo: Fix spelling errors in hmm_bo.h
...
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
- improvement in the way hid-bpf coexists with specific drivers (others
than hid-generic) that are already bound to devices (Benjamin
Tissoires)
- removal of three way-too-aggressive BUG_ON()s from HID drivers (He
Lugang)
- assorted cleanups and small code fixes to HID core (Dmitry Torokhov,
Yan Zhen, Nathan Chancellor, Andy Shevchenko)
- support for Corsair Void headset family (Stuart Hayhurst)
- Support for Goodix GT7986U SPI (Charles Wang)
- initial vendor-specific driver for Kysona, currently adding support
for Kysona M600 (Lode Willems)
- other assorted code cleanups and small bugfixes all over the place
* tag 'hid-for-linus-2024111801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (40 commits)
HID: multitouch: make mt_set_mode() less cryptic
HID: hid-goodix-spi: Add OF supports
dt-bindings: input: Goodix GT7986U SPI HID Touchscreen
HID: hyperv: streamline driver probe to avoid devres issues
HID: magicmouse: Apple Magic Trackpad 2 USB-C driver support
HID: rmi: Add select RMI4_F3A in Kconfig
HID: wacom: Interpret tilt data from Intuos Pro BT as signed values
HID: steelseries: Add capacity_level mapping
HID: steelseries: Fix battery requests stopping after some time
HID: hid-goodix: Fix HID get/set feature operation overwritten problem
HID: hid-goodix: Return 0 when receiving an empty HID feature package
HID: bpf: drop use of Logical|Physical|UsageRange
HID: bpf: Fix Rapoo M50 Plus Silent side buttons
HID: bpf: Fix NKRO on Mistel MD770
HID: replace BUG_ON() with WARN_ON()
HID: wacom: Set eraser status when either 'Eraser' or 'Invert' usage is set
HID: Kysona: add basic online status
HID: Kysona: check battery status every 5s using a workqueue
HID: Kysona: Add basic battery reporting for Kysona M600
HID: Add IDs for Kysona
...
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"Bindings:
- Enable dtc "interrupt_provider" warnings for binding examples. Fix
the warnings in fsl,mu-msi and ti,sci-inta due to this.
- Convert zii,rave-sp-wdt, zii,rave-sp-pwrbutton, and
altr,fpga-passive-serial to DT schema format
- Add some documentation on the different forms of YAML text blocks
which are a constant source of review comments
- Fix some schema errors in constraints for arrays
- Add compatibles for qcom,sar2130p-pdc and onnn,adt7462
DT core:
- Allow overlay kunit tests to run CONFIG_OF_OVERLAY=n
- Add some warnings on deprecated address handling
- Rework early_init_dt_scan() so the arch can pass in the phys
address of the DTB as __pa() is not always valid to use. This fixes
a warning for arm64 with kexec.
- Add and use some new DT graph iterators for iterating over ports
and endpoints
- Rework reserved-memory handling to be sized dynamically for fixed
regions
- Optimize of_modalias() to avoid a strlen() call
- Constify struct device_node and property pointers where ever
possible"
* tag 'devicetree-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (36 commits)
of: Allow overlay kunit tests to run CONFIG_OF_OVERLAY=n
dt-bindings: interrupt-controller: qcom,pdc: Add SAR2130P compatible
of/address: Rework bus matching to avoid warnings
of: WARN on deprecated #address-cells/#size-cells handling
of/fdt: Don't use default address cell sizes for address translation
dt-bindings: Enable dtc "interrupt_provider" warnings
of/fdt: add dt_phys arg to early_init_dt_scan and early_init_dt_verify
dt-bindings: cache: qcom,llcc: Fix X1E80100 reg entries
dt-bindings: watchdog: convert zii,rave-sp-wdt.txt to yaml format
dt-bindings: input: convert zii,rave-sp-pwrbutton.txt to yaml
media: xilinx-tpg: use new of_graph functions
fbdev: omapfb: use new of_graph functions
gpu: drm: omapdrm: use new of_graph functions
ASoC: audio-graph-card2: use new of_graph functions
ASoC: audio-graph-card: use new of_graph functions
ASoC: test-component: use new of_graph functions
of: property: use new of_graph functions
of: property: add of_graph_get_next_port_endpoint()
of: property: add of_graph_get_next_port()
of: module: remove strlen() call in of_modalias()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay
Pull auxdisplay update from Andy Shevchenko:
- Move Holtek 16k33 driver to use agnostic i2c_get_match_data()
- Miscellaneuous cleanups
* tag 'auxdisplay-v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay:
auxdisplay: Remove unused functions
auxdisplay: ht16k33: Make use of i2c_get_match_data()
auxdisplay: Drop explicit initialization of struct i2c_device_id::driver_data to 0
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Pull MMC updates from Ulf Hansson:
"MMC core:
- Add support for Ultra Capacity SD cards (SDUC, 2TB to 128TB)
- Add support for Ultra High-Speed II SD cards (UHS-II)
- Use a reset control for pwrseq_simple
- Add SD card quirk for broken poweroff notification
- Use GFP_NOIO for SD ACMD22
MMC host:
- bcm2835: Introduce proper clock handling
- mtk-sd: Add support for the Host-Software-Queue interface
- mtk-sd: Add support for the mt7988/mt8196 variants
- mtk-sd: Fix a couple of error paths in ->probe()
- sdhci: Add interface to support UHS-II SD cards
- sdhci_am654: Fixup support for changing the signal voltage level
- sdhci-cadence: Add support for the Microchip PIC64GX variant
- sdhci-esdhc-imx: Add support for eMMC HW-reset
- sdhci-msm: Add support for the X1E80100/IPQ5424/SAR2130P/QCS615 variants
- sdhci-of-arasan: Add support for eMMC HW-reset
- sdhci-pci-gli: Add UHS-II support for the GL9767/GL9755 variants
MEMSTICK:
- A couple of minor updates"
* tag 'mmc-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (78 commits)
mmc: pwrseq_simple: Handle !RESET_CONTROLLER properly
mmc: mtk-sd: Fix MMC_CAP2_CRYPTO flag setting
mmc: mtk-sd: Fix error handle of probe function
mmc: core: Correction a warning caused by incorrect type in assignment for UHS-II
mmc: sdhci-esdhc-imx: Update esdhc sysctl dtocv bitmask
mmc: sdhci-esdhc-imx: Implement emmc hardware reset
mmc: core: Correct type in variable assignment for UHS-II
mmc: sdhci-uhs2: correction a warning caused by incorrect type in argument
mmc: sdhci-uhs2: Remove unnecessary variables
mmc: sdhci-uhs2: Correct incorrect type in argument
mmc: sdhci: Make MMC_SDHCI_UHS2 config symbol invisible
mmc: sdhci-uhs2: Remove unnecessary NULL check
mmc: core: Fix error paths for UHS-II card init and re-init
mmc: core: Add error handling of sd_uhs2_power_up()
mmc: core: Simplify sd_uhs2_power_up()
mmc: bcm2835: Introduce proper clock handling
mmc: bcm2835: Fix type of current clock speed
dt-bindings: mmc: Add sdhci compatible for QCS615
mmc: core: Use GFP_NOIO in ACMD22
dt-bindings: mmc: sdhci-msm: Add SAR2130P compatible
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain updates from Ulf Hansson:
"pmdomain core:
- Set the required dev for a required OPP during genpd attach
- Add support for required OPPs to dev_pm_domain_attach_list()
pmdomain providers:
- ti: Enable GENPD_FLAG_ACTIVE_WAKEUP flag for ti_sci PM domains
- mediatek: Add support for MT6735 PM domains
- mediatek: Use OF-specific regulator API to get power domain supply
- qcom: Add support for the SM8750/SAR2130P/qcs615/qcs8300 rpmhpds
pmdomain consumers:
- Convert a couple of consumer drivers to
*_pm_domain_attach|detach_list()
opp core:
- Rework and cleanup some code that manages required OPPs
- Remove *_opp_attach|detach_genpd()"
* tag 'pmdomain-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (25 commits)
pmdomain: qcom: rpmhpd: Add rpmhpd support for SM8750
dt-bindings: power: qcom,rpmpd: document the SM8750 RPMh Power Domains
pmdomain: imx: Use of_property_present() for non-boolean properties
pmdomain: imx: gpcv2: replace dev_err() with dev_err_probe()
pmdomain: ti-sci: Use scope based of_node_put() to simplify code.
pmdomain: ti-sci: Add missing of_node_put() for args.np
pmdomain: ti-sci: set the GENPD_FLAG_ACTIVE_WAKEUP flag for all PM domains
pmdomain: mediatek: Add support for MT6735
pmdomain: qcom: rpmhpd: add support for SAR2130P
dt-bindings: power: Add binding for MediaTek MT6735 power controller
dt-bindings: power: rpmpd: Add SAR2130P compatible
OPP: Drop redundant *_opp_attach|detach_genpd()
cpufreq: qcom-nvmem: Convert to dev_pm_domain_attach|detach_list()
media: venus: Convert into devm_pm_domain_attach_list() for OPP PM domain
drm/tegra: gr3d: Convert into devm_pm_domain_attach_list()
OPP: Drop redundant code in _link_required_opps()
pmdomain: core: Set the required dev for a required OPP during genpd attach
pmdomain: core: Manage the default required OPP from a separate function
PM: domains: Support required OPPs in dev_pm_domain_attach_list()
OPP: Rework _set_required_devs() to manage a single device per call
...
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull power sequencing updates from Bartosz Golaszewski:
- extend support for the wcn6855 model in the pwrseq-qcom-wcn driver
- make this driver depend on CONFIG_OF=y as it uses some very
OF-specific interfaces and depends on phandle parsing
* tag 'pwrseq-updates-for-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
power: sequencing: qcom-wcn: improve support for wcn6855
power: sequencing: make the QCom PMU pwrseq driver depend on CONFIG_OF
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"Three new drivers, support for some new models in existing ones and
lots of various tweaks and improvements across the board (switching to
using recommended APIs, code shrink and simplification, etc.).
Also a new feature in the character device uAPI where we now notify
the user-space about changes triggered by in-kernel users as well, not
only when they were done by other user-space agents.
Summary:
GPIOLIB core:
- use the new mem_is_zero() instead of memchr_inv(s, 0, n)
- don't store debounce period twice needlessly
- clean-up debugfs handling
- remove leftover comments referring to no longer used spinlocks
- unduplicate some operations like SRCU locks and initializing GPIO
descriptors
- constify the sysfs class struct
- use lock guards in GPIO sysfs code
- update GPIO uAPI internal flags all at once atomically for
consistency with other places
- modify the behavior of the sysfs interface by no longer exporting
lines that are named inside the driver code or board files with the
sysfs links bearing the line names as this has for many years been
largely unused due to the prevalence of DT, ACPI and firmware nodes
over board files and made the API inconsistent
- for GPIO interrupt providers: free irqs that are still requested by
users when removing the chip
GPIO uAPI:
- notify user-space about changes to GPIO lines' state (requested,
released, reconfigured) triggered from the kernel as well (until
now we'd only do this for changes triggered from user-space)
- to that end: modify the internal workings of the notification
mechanism by switching to an atomic notifier which allows us to
send events from atomic context
- also to that end store the debounce period in the GPIO descriptor
struct and not in the character device context struct
- while at it, also cover the corner-case of users introducing
changes over sysfs while others watch them via the character device
- don't report GPIO lines requested as interrupts as "used" to
user-space as it can still request them as GPIOs
New drivers:
- GPIO part of the MFD Congatec Board Controller
- PolarFire GPIO controller
- GPIOs on FTDI FT2232H
Driver improvements:
- use generic device property accessors instead of OF-specific ones
across many GPIO drivers (mpc8xxx, vf610, eic-sprd, davinci,
ts4900, xilinx, mvebu)
- use devres helpers to simplify error paths and either shrink or
entirely remove the driver's remove() callback (grgpio, amdpt,
menz127, max730x, ftgpio010, 74x164, ljca)
- use helper variables to store the address of pdev->dev and avoid
some line-breaks
- use device_for_each_child_node_scoped() to avoid having to put the
fwnode on breaks or errors (gpio-sim, gpio-dwapb, gpiolib-acpi)
- use a scoped bitmap to simplify the code and drop goto labels in
gpio-aggregator
- drop unneeded Kconfig dependencies on OF_GPIO (grgpio, mveby,
xilinx)
- add support for new models to gpio-aspeed, gpio-rockchip and
gpio-dwapb
- clean-up ACPI handling and some other bits in gpio-xgene-sb
- replace deprecated PCI functions in pcie-idio-24 and pci-idio-16
- allow to build davinci and mvebu drivers with COMPILE_TEST=y
- remove dead code in gpio-mb86s7x
- switch back to using platform_driver::remove() (after the
conversion to remove_new()) across the GPIO drivers
- remove remaining uses of GPIOF_ACTIVE_LOW across the tree and drop
this deprecated symbol
- convert the gpio-altera driver to no longer pull in the deprecated
legacy-of-mm-gpiochip.h header
- use of_property_present() instead of of_property_read_bool() in
gpiolib-of and gpio-rockchip
- allow to build the tegra186 driver on Tegra234 platforms in Kconfig
Late fixes:
- add a missing return value check after devm_kasprintf() to
gpio-grgpio
DT bindings:
- document the ngpios property of gpio-mmio
- add support for a new aspeed model
- fix the example for st,nomadik-gpio
Other:
- kernel doc and comments tweaks
- fix typos in TODO
- reorder headers alphabetically in some drivers
- fix incorrect format specifiers in gpio tools"
* tag 'gpio-updates-for-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (98 commits)
gpio: tegra186: Allow to enable driver on Tegra234
gpio: grgpio: Add NULL check in grgpio_probe
tools: gpio: Fix several incorrect format specifiers
gpio: mpfs: add CoreGPIO support
gpio: rockchip: support new version GPIO
gpio: rockchip: change the GPIO version judgment logic
gpio: rockchip: explan the format of the GPIO version ID
gpiolib: cdev: use !mem_is_zero() instead of memchr_inv(s, 0, n)
MAINTAINERS: add gpio driver to PolarFire entry
gpio: Get rid of GPIOF_ACTIVE_LOW
USB: gadget: pxa27x_udc: Avoid using GPIOF_ACTIVE_LOW
pcmcia: soc_common: Avoid using GPIOF_ACTIVE_LOW
leds: gpio: Avoid using GPIOF_ACTIVE_LOW
Input: gpio_keys_polled - avoid using GPIOF_ACTIVE_LOW
Input: gpio_keys - avoid using GPIOF_ACTIVE_LOW
gpio: Use of_property_present() for non-boolean properties
gpio: mpfs: add polarfire soc gpio support
gpio: altera: Drop legacy-of-mm-gpiochip.h header
gpio: pcie-idio-24: Replace deprecated PCI functions
gpio: pci-idio-16: Replace deprecated PCI functions
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm updates from Uwe Kleine-König:
"This contains a new abstraction for PWM waveforms that is more
expressive that the legacy one. Compared to the old abstraction it
contains a duty_offset member instead of polarity. This new
abstraction is already used in an ADC driver merged into the iio tree.
The new API requires changes to the lowlevel drivers. For now there
are two drivers that are converted to the new API (axi-pwmgen and
stm32). Converted drivers continue to work with the old API. Drivers
not yet converted only work with the older API.
Otherwise it's the usual collection of fixes, cleanups and dt doc
updates.
This time around thanks go to Andy Shevchenko, Clark Wang, Conor
Dooley, David Lechner, Dimitri Fedrau, Frank Li, Jun Li, Kelvin Zhang,
Krzysztof Kozlowski, Nuno Sa, Shen Lichuan and Trevor Gamblin for code
contributions, testing and review"
* tag 'pwm/for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: Assume a disabled PWM to emit a constant inactive output
pwm: core: export pwm_get_state_hw()
pwm: core: use device_match_name() instead of strcmp(dev_name(...
dt-bindings: pwm: adi,axi-pwmgen: Increase #pwm-cells to 3
pwm: imx27: Use clk_bulk_*() API to simplify clock handling
pwm: imx27: Workaround of the pwm output bug when decrease the duty cycle
pwm: axi-pwmgen: Enable FORCE_ALIGN by default
pwm: axi-pwmgen: Rename 0x10 register
dt-bindings: pwm: amlogic: Document C3 PWM
pwm: axi-pwmgen: Create a dedicated function for getting driver data from a chip
pwm: atmel-tcb: Use min() macro
pwm: stm32: Fix error checking for a regmap_read() call
pwm: Add kernel doc for members added to pwm_ops recently
pwm: Reorder symbols in core.c
pwm: stm32: Implementation of the waveform callbacks
pwm: axi-pwmgen: Implementation of the waveform callbacks
pwm: Add tracing for waveform callbacks
pwm: Provide new consumer API functions for waveforms
pwm: New abstraction for PWM waveforms
pwm: Add more locking
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"The only real core work we've got this time around is the completion
of the transition to the new host/target naming for the core APIs,
Kconfig still needs doing but that's a lot less invasive.
Otherwise the big changes are the new drivers that have been added:
- Completion of the conversion to spi_alloc_host()/_target() and
removal of the old naming.
- Cleanups for Rockchip drivers, these brought in a new logging
helper in the driver core for warnings during probe.
- Support for configuration of the word delay via spidev_test.
- Support for AMD HID2 controllers, Apple SPI controller and Realtek
SPI-NAND controllers"
* tag 'spi-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (58 commits)
spi: imx: support word delay
spi: imx: pass struct spi_transfer to prepare_transfer()
spi: cs42l43: Add GPIO speaker id support to the bridge configuration
spi: Delete useless checks
spi: apple: Remove unnecessary .owner for apple_spi_driver
spi: spidev_test: add support for word delay
spi: apple: Add driver for Apple SPI controller
spi: dt-bindings: apple,spi: Add binding for Apple SPI controllers
spi: Use of_property_present() for non-boolean properties
spi: zynqmp-gqspi: Undo runtime PM changes at driver exit time
spi: spi-mem: rtl-snand: Correctly handle DMA transfers
spi: tegra210-quad: Avoid shift-out-of-bounds
spi: axi-spi-engine: Emit trace events for spi transfers
dt-bindings: spi: sprd,sc9860-spi: convert to YAML
spi: Replace deprecated PCI functions
spi: dt-bindings: samsung: Add a compatible for samsung,exynos8895-spi
spi: spi-mem: Add Realtek SPI-NAND controller
dt-bindings: spi: Add realtek,rtl9301-snand
spi: make class structs const
spi: dt-bindings: brcm,bcm2835-aux-spi: Convert to dtschema
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This was a quite quiet release for regulators on the drivers front,
but we do have two small but useful core improvements:
- Improve handling of cases where DT platforms specify both DT and
init_data based configuration for a single regulator.
- A helper of_regulator_get_optional() to simplify writing generic
bindings for regulator consumers in subsystems.
There's also some YAML conversions for the DT bindings which are a big
part of the diffstat"
* tag 'regulator-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: dt-bindings: qcom,rpmh: Correct PM8550VE supplies
regulator: Switch back to struct platform_driver::remove()
regulator: doc: remove documentation comment for regulator_init
regulator: doc: add missing documentation for init_cb
regulator: rk808: Restrict DVS GPIOs to the RK808 variant only
regulator: rk808: Use dev_err_probe() in the probe path
regulator: rk808: Perform trivial code cleanups
regulator: dt-bindings: qcom,qca6390-pmu: add more properties for wcn6855
regulator: dt-bindings: lltc,ltc3676: convert to YAML
regulator: core: Use fsleep() to get best sleep mechanism
regulator: core: remove machine init callback from config
regulator: core: add callback to perform runtime init
regulator: core: do not silently ignore provided init_data
regulator: max5970: Drop unused structs
regulator: dt-bindings: vctrl-regulator: convert to YAML
regulator: qcom-smd: make smd_vreg_rpm static
regulator: Call of_node_put() only once in rzg2l_usb_vbus_regulator_probe()
regulator: isl6271a: Drop explicit initialization of struct i2c_device_id::driver_data to 0
regulator: Add devres version of of_regulator_get_optional()
regulator: Add of_regulator_get_optional() for pure DT regulator lookup
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"The main thing for regmap this time around is some improvements of the
lockdep annotations which stop some false positives. We also have one
new helper for setting a bitmask to the same value, and several test
improvements"
* tag 'regmap-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: provide regmap_assign_bits()
regmap: irq: Set lockdep class for hierarchical IRQ domains
regmap: maple: Provide lockdep (sub)class for maple tree's internal lock
regmap: kunit: Fix repeated test param
regcache: Improve documentation of available cache types
regmap: Specifically test writing 0 as a value to sparse caches
regmap-irq: Consistently use memset32() in regmap_irq_thread()
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git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Print more precise information about the printk log buffer memory
usage.
- Make sure that the sysrq title is shown on the console even when
deferred.
- Do not enable earlycon by `console=` which is meant to disable the
default console.
* tag 'printk-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: add dummy printk_force_console_enter/exit helpers
tty: sysrq: Use printk_force_console context on __handle_sysrq
printk: Introduce FORCE_CON flag
printk: Improve memory usage logging during boot
init: Don't proxy `console=` to earlycon
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Remove the unused "data_start" variable. It is always set to zero and the
user can't override it. If the user needs to use some existing offset
within a block device, it is possible to use the linear target.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
|
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Vlastimil Babka said [1] that kmalloc will return a power-of-two-aligned
buffer if it was called with a power-of-two size. So, we can use kmalloc
instead of our own slab cache in dm-bufio. Note that the code for the
slab cache was not removed because dm-bufio supports non-power-of-two
buffer sizes.
Link: https://lore.kernel.org/linux-mm/e7fca292-7c79-4f97-a90c-d68178d8ca59@suse.cz/ [1]
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
|
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This commit add missed destroy_work_on_stack() operations for pw->worker in
pool_work_wait().
Fixes: e7a3e871d895 ("dm thin: cleanup noflush_work to use a proper completion")
Cc: stable@vger.kernel.org
Signed-off-by: Yuan Can <yuancan@huawei.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
|
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This adds support to obtain a device's unique id through dm, similar to the
existing ioctl and persistent resevation handling. We limit this to
single-target devices.
This enables knfsd to export pNFS SCSI luns that have been exported from
multipath devices.
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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Remove __always_unused parameters from static functions.
Also fix minor formatting issues.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407141607.M3E2XQ0Z-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202409101018.B75pIBKR-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202410011107.U2xbVLRA-lkp@intel.com/
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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Signed-off-by: Susan LeGendre-McGhee <slegendr@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
|
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Signed-off-by: Susan LeGendre-McGhee <slegendr@redhat.com>
Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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Remove the redundant "i" at the beginning of the error message. This "i"
came from commit 1c1318866928 ("dm: prefer
'"%s...", __func__'"), the "i" is accidentally left.
Signed-off-by: Ssuhung Yeh <ssuhung@gmail.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Fixes: 1c1318866928 ("dm: prefer '"%s...", __func__'")
Cc: stable@vger.kernel.org # v6.3+
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It is possible to spam the kernel log with a misbehaving user process that
is passing incorrect dm ioctls to /dev/mapper/control. Use a rate limit
on these error messages to reduce the noise.
These errors were hit when running the stress-ng's device test.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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uds_compute_index_size() has been unused since it was added in
commit b46d79bdb82a ("dm vdo: add deduplication index storage interface")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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get_data_vio_pool_active_discards()
get_data_vio_pool_discard_limit()
get_data_vio_pool_maximum_discards()
set_data_vio_pool_discard_limit()
are all unused since commit
a9da0fb6d8c6 ("dm vdo: remove all sysfs interfaces")
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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dmz_resume_metadata() is unused since it was added in commit
3b1a94c88b79 ("dm zoned: drive-managed zoned block device target")
dmz_zone_nr_blocks_shift is unused since it was added in commit
368205601375 ("dm zoned: move fields from struct dmz_dev to dmz_metadata")
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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dm_table_bio_based() is unused since commit
29dec90a0f1d ("dm: fix bio_set allocation")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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dm_set_md_type() has been unused since commit
ba30585936b0 ("dm: move setting md->type into dm_setup_md_queue")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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dm_cache_size() and dm_cache_dump() are unused since commit
b29d4986d0da ("dm cache: significant rework to leverage dm-bio-prison-v2")
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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dm_cache_size() has been unused since the original commit
c6b4fcbad044 ("dm: add cache target")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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dm_cache_dump() has been unused since the original commit
c6b4fcbad044 ("dm: add cache target")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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btracker_nr_writebacks_queued() has been unused since commit
2e63309507c8 ("dm cache policy smq: don't do any writebacks unless IDLE")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
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We can reduce boilerplate code by using
devm_regulator_get_enable_read_voltage().
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20241119-input-mpr121-regulator-get-enable-read-voltage-v3-1-1d8ee5c22f6c@baylibre.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The header clearly states that it does not want to be included directly,
only via 'device.h'. 'platform_device.h' works equally well. Remove the
direct inclusion.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20241118072917.3853-7-wsa+renesas@sang-engineering.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The header clearly states that it does not want to be included directly,
only via 'device.h'. 'platform_device.h' works equally well. Remove the
direct inclusion.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20241118072917.3853-6-wsa+renesas@sang-engineering.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"A rather large update for timekeeping and timers:
- The final step to get rid of auto-rearming posix-timers
posix-timers are currently auto-rearmed by the kernel when the
signal of the timer is ignored so that the timer signal can be
delivered once the corresponding signal is unignored.
This requires to throttle the timer to prevent a DoS by small
intervals and keeps the system pointlessly out of low power states
for no value. This is a long standing non-trivial problem due to
the lock order of posix-timer lock and the sighand lock along with
life time issues as the timer and the sigqueue have different life
time rules.
Cure this by:
- Embedding the sigqueue into the timer struct to have the same
life time rules. Aside of that this also avoids the lookup of
the timer in the signal delivery and rearm path as it's just a
always valid container_of() now.
- Queuing ignored timer signals onto a seperate ignored list.
- Moving queued timer signals onto the ignored list when the
signal is switched to SIG_IGN before it could be delivered.
- Walking the ignored list when SIG_IGN is lifted and requeue the
signals to the actual signal lists. This allows the signal
delivery code to rearm the timer.
This also required to consolidate the signal delivery rules so they
are consistent across all situations. With that all self test
scenarios finally succeed.
- Core infrastructure for VFS multigrain timestamping
This is required to allow the kernel to use coarse grained time
stamps by default and switch to fine grained time stamps when inode
attributes are actively observed via getattr().
These changes have been provided to the VFS tree as well, so that
the VFS specific infrastructure could be built on top.
- Cleanup and consolidation of the sleep() infrastructure
- Move all sleep and timeout functions into one file
- Rework udelay() and ndelay() into proper documented inline
functions and replace the hardcoded magic numbers by proper
defines.
- Rework the fsleep() implementation to take the reality of the
timer wheel granularity on different HZ values into account.
Right now the boundaries are hard coded time ranges which fail
to provide the requested accuracy on different HZ settings.
- Update documentation for all sleep/timeout related functions
and fix up stale documentation links all over the place
- Fixup a few usage sites
- Rework of timekeeping and adjtimex(2) to prepare for multiple PTP
clocks
A system can have multiple PTP clocks which are participating in
seperate and independent PTP clock domains. So far the kernel only
considers the PTP clock which is based on CLOCK TAI relevant as
that's the clock which drives the timekeeping adjustments via the
various user space daemons through adjtimex(2).
The non TAI based clock domains are accessible via the file
descriptor based posix clocks, but their usability is very limited.
They can't be accessed fast as they always go all the way out to
the hardware and they cannot be utilized in the kernel itself.
As Time Sensitive Networking (TSN) gains traction it is required to
provide fast user and kernel space access to these clocks.
The approach taken is to utilize the timekeeping and adjtimex(2)
infrastructure to provide this access in a similar way how the
kernel provides access to clock MONOTONIC, REALTIME etc.
Instead of creating a duplicated infrastructure this rework
converts timekeeping and adjtimex(2) into generic functionality
which operates on pointers to data structures instead of using
static variables.
This allows to provide time accessors and adjtimex(2) functionality
for the independent PTP clocks in a subsequent step.
- Consolidate hrtimer initialization
hrtimers are set up by initializing the data structure and then
seperately setting the callback function for historical reasons.
That's an extra unnecessary step and makes Rust support less
straight forward than it should be.
Provide a new set of hrtimer_setup*() functions and convert the
core code and a few usage sites of the less frequently used
interfaces over.
The bulk of the htimer_init() to hrtimer_setup() conversion is
already prepared and scheduled for the next merge window.
- Drivers:
- Ensure that the global timekeeping clocksource is utilizing the
cluster 0 timer on MIPS multi-cluster systems.
Otherwise CPUs on different clusters use their cluster specific
clocksource which is not guaranteed to be synchronized with
other clusters.
- Mostly boring cleanups, fixes, improvements and code movement"
* tag 'timers-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (140 commits)
posix-timers: Fix spurious warning on double enqueue versus do_exit()
clocksource/drivers/arm_arch_timer: Use of_property_present() for non-boolean properties
clocksource/drivers/gpx: Remove redundant casts
clocksource/drivers/timer-ti-dm: Fix child node refcount handling
dt-bindings: timer: actions,owl-timer: convert to YAML
clocksource/drivers/ralink: Add Ralink System Tick Counter driver
clocksource/drivers/mips-gic-timer: Always use cluster 0 counter as clocksource
clocksource/drivers/timer-ti-dm: Don't fail probe if int not found
clocksource/drivers:sp804: Make user selectable
clocksource/drivers/dw_apb: Remove unused dw_apb_clockevent functions
hrtimers: Delete hrtimer_init_on_stack()
alarmtimer: Switch to use hrtimer_setup() and hrtimer_setup_on_stack()
io_uring: Switch to use hrtimer_setup_on_stack()
sched/idle: Switch to use hrtimer_setup_on_stack()
hrtimers: Delete hrtimer_init_sleeper_on_stack()
wait: Switch to use hrtimer_setup_sleeper_on_stack()
timers: Switch to use hrtimer_setup_sleeper_on_stack()
net: pktgen: Switch to use hrtimer_setup_sleeper_on_stack()
futex: Switch to use hrtimer_setup_sleeper_on_stack()
fs/aio: Switch to use hrtimer_setup_sleeper_on_stack()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull vdso data page handling updates from Thomas Gleixner:
"First steps of consolidating the VDSO data page handling.
The VDSO data page handling is architecture specific for historical
reasons, but there is no real technical reason to do so.
Aside of that VDSO data has become a dump ground for various
mechanisms and fail to provide a clear separation of the
functionalities.
Clean this up by:
- consolidating the VDSO page data by getting rid of architecture
specific warts especially in x86 and PowerPC.
- removing the last includes of header files which are pulling in
other headers outside of the VDSO namespace.
- seperating timekeeping and other VDSO data accordingly.
Further consolidation of the VDSO page handling is done in subsequent
changes scheduled for the next merge window.
This also lays the ground for expanding the VDSO time getters for
independent PTP clocks in a generic way without making every
architecture add support seperately"
* tag 'timers-vdso-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (42 commits)
x86/vdso: Add missing brackets in switch case
vdso: Rename struct arch_vdso_data to arch_vdso_time_data
powerpc: Split systemcfg struct definitions out from vdso
powerpc: Split systemcfg data out of vdso data page
powerpc: Add kconfig option for the systemcfg page
powerpc/pseries/lparcfg: Use num_possible_cpus() for potential processors
powerpc/pseries/lparcfg: Fix printing of system_active_processors
powerpc/procfs: Propagate error of remap_pfn_range()
powerpc/vdso: Remove offset comment from 32bit vdso_arch_data
x86/vdso: Split virtual clock pages into dedicated mapping
x86/vdso: Delete vvar.h
x86/vdso: Access vdso data without vvar.h
x86/vdso: Move the rng offset to vsyscall.h
x86/vdso: Access rng vdso data without vvar.h
x86/vdso: Access timens vdso data without vvar.h
x86/vdso: Allocate vvar page from C code
x86/vdso: Access rng data from kernel without vvar
x86/vdso: Place vdso_data at beginning of vvar page
x86/vdso: Use __arch_get_vdso_data() to access vdso data
x86/mm/mmap: Remove arch_vma_name()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt subsystem updates from Thomas Gleixner:
"Tree wide:
- Make nr_irqs static to the core code and provide accessor functions
to remove existing and prevent future aliasing problems with local
variables or function arguments of the same name.
Core code:
- Prevent freeing an interrupt in the devres code which is not
managed by devres in the first place.
- Use seq_put_decimal_ull_width() for decimal values output in
/proc/interrupts which increases performance significantly as it
avoids parsing the format strings over and over.
- Optimize raising the timer and hrtimer soft interrupts by using the
'set bit only' variants instead of the combined version which
checks whether ksoftirqd should be woken up. The latter is a
pointless exercise as both soft interrupts are raised in the
context of the timer interrupt and therefore never wake up
ksoftirqd.
- Delegate timer/hrtimer soft interrupt processing to a dedicated
thread on RT.
Timer and hrtimer soft interrupts are always processed in ksoftirqd
on RT enabled kernels. This can lead to high latencies when other
soft interrupts are delegated to ksoftirqd as well.
The separate thread allows to run them seperately under a RT
scheduling policy to reduce the latency overhead.
Drivers:
- New drivers or extensions of existing drivers to support Renesas
RZ/V2H(P), Aspeed AST27XX, T-HEAD C900 and ATMEL sam9x7 interrupt
chips
- Support for multi-cluster GICs on MIPS.
MIPS CPUs can come with multiple CPU clusters, where each CPU
cluster has its own GIC (Generic Interrupt Controller). This
requires to access the GIC of a remote cluster through a redirect
register block.
This is encapsulated into a set of helper functions to keep the
complexity out of the actual code paths which handle the GIC
details.
- Support for encrypted guests in the ARM GICV3 ITS driver
The ITS page needs to be shared with the hypervisor and therefore
must be decrypted.
- Small cleanups and fixes all over the place"
* tag 'irq-core-2024-11-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (50 commits)
irqchip/riscv-aplic: Prevent crash when MSI domain is missing
genirq/proc: Use seq_put_decimal_ull_width() for decimal values
softirq: Use a dedicated thread for timer wakeups on PREEMPT_RT.
timers: Use __raise_softirq_irqoff() to raise the softirq.
hrtimer: Use __raise_softirq_irqoff() to raise the softirq
riscv: defconfig: Enable T-HEAD C900 ACLINT SSWI drivers
irqchip: Add T-HEAD C900 ACLINT SSWI driver
dt-bindings: interrupt-controller: Add T-HEAD C900 ACLINT SSWI device
irqchip/stm32mp-exti: Use of_property_present() for non-boolean properties
irqchip/mips-gic: Fix selection of GENERIC_IRQ_EFFECTIVE_AFF_MASK
irqchip/mips-gic: Prevent indirect access to clusters without CPU cores
irqchip/mips-gic: Multi-cluster support
irqchip/mips-gic: Setup defaults in each cluster
irqchip/mips-gic: Support multi-cluster in for_each_online_cpu_gic()
irqchip/mips-gic: Replace open coded online CPU iterations
genirq/irqdesc: Use str_enabled_disabled() helper in wakeup_show()
genirq/devres: Don't free interrupt which is not managed by devres
irqchip/gic-v3-its: Fix over allocation in itt_alloc_pool()
irqchip/aspeed-intc: Add AST27XX INTC support
dt-bindings: interrupt-controller: Add support for ASPEED AST27XX INTC
...
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After a previous change, cpuidle_play_dead(), which is the only caller
of idle state :enter_dead() callbacks, ignores their return values, so
they may as well be void.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/2285569.iZASKD2KPV@rjwysocki.net
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