a8fa78b8f4
41597 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Greg Kroah-Hartman
|
ebc8f4f603 |
Second set of IIO + counter new device support, features etc for the 5.5 cycle.
Note two merge commits in here, both for immutable branches based
of 5.4-rc1.
1. Ti eqep driver because of some file moves in precursor patches.
I suspect no one else will pull this one.
2. ab8500 refactor as changes in power supply, hwmon and mfd trees.
This may come via numerous trees as well as IIO.
Counter subsystem related
* ti eqep
- New device support with bindings.
- Includes prior file move to reflect more general use of ti-pwmss.
* Counter core
- simplify count_read and count_write callbacks + document change.
- fix a typo in docs.
Various subsystems related
* AB8500
- ab8500_btemp driver converted to be an IIO consumer driver.
- ab8500_charger driver converted to be an IIO consumer driver.
- ab8500_fg fuel gauge driver converted to be an IIO consumer driver.
- ab8500 hwmon driver converted to be an IIO consumer driver.
- mfd bindings augmented with the adc channels to make the above work.
- drop original mfd driver.
New device support
* ab8500
- new ADC driver used by the above other subystems via the IIO consumer
interface.
* adux1020 photometric sensor
- new driver and dt bindings.
* fxos877cq
- new driver for this simple(ish) IMU with DT bindings.
* intel_mrfld_adc
- new driver for the ADC found on Intel Merrifield platforms.
* ltc2983
- new driver for this multi-sensor type temperature interface.
Includes complex DT bindings.
* max1027
- support for 12 bit devices, max1227, max1229 and max1231 + add to trivial
bindings.
* st_lsm6dsx
- support for the LSM6DS0 6 axis MEMs sensor.
Note different from the LSM6DSO which the driver already supports *sigh*
- support for the LSM6DSRX 6 axis MEMs sensor.
Features and cleanups
* ad7303
- replace use of core mlock with a local lock with cleanly defined scope.
* ad9834
- add a check for devm_clk_get failing.
* at91-sama5d2
- tidy up a 0 as NULL warning.
* bmp280
- endian type tidy ups.
- use bulk regulator ops for a small reduction in code.
- use devm_add_action... to simplify error path handling.
* exynos
- drop stray semicolon.
- use devm_platform_ioremap_resource to reduce boilerplate.
* hx711
- various tricks to improve the frequency of read out possible.
* max1027
- debugfs support.
- make interrupts optional.
- reset at probe to get clean state.
- refactors to allow addition of new device support.
* maxim thermocouple
- drop an unneeded semicolon.
* mb1232
- yaml binding conversion.
* mcp320x
- tidy up an endian types in cast warning.
* meson_saradc
- use devm_platform_ioremap_resource to reduce boilerplate.
* mpu3050
- make a poison value explicity big endian to supress a warning.
* pulsedlight v2
- endian type tidy ups.
* sgp30
- drop an excess semicolon.
* sps30
- make truncation explicit with masking to clean up a warning.
* st sensors
- drop gpio include as none of these support gpios.
* st_lsm6dsx
- tidy up some alignment issues.
- refactors to allow addition of new device support.
* allow varients of irq related reg definitions.
* avoid accessing active-low, open-drain regs if not provided.
* allow varients of bdu/boot and reset regs.
* allow for enabling or disabling wakeup sources through platform
data (seems someone still uses this).
- enable wake-up events for LSM6DS0
- use the drdy mask to avoid some invalid samples during initial start
of sensor.
- Add support to trim the timestamp.
* stm32_adc
- kernel-doc fixes.
* stm32_dac
- power management support.
* stmpe-adc
- Fix endian type of local variable.
* twl4030
- use false / true instead of 0 / 1 for booleans.
* xilinx-xadc
- use devm_platform_ioremap_resouce to reduce boilerplate.
* zpa2326
- reorganise buffer handling setup to be more consistent.
Fixes (mostly recent additions)
* cpcap-adc
- Fix mising IRQF_ONESHOT that would cause warnings to be printed.
* st_lsm6dsx
- Sanity check the read_fifo pointer is set.
- use locked read and update functions to prevent some races.
- avoid accessing enable_reg if not provided.
- take a lock to prevent a race in updating the config.
- kernel-doc fixes.
- document wakeup-source property in dt binding.
- fix lsm9ds1 gyro gain definitions.
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Merge tag 'iio-for-5.5b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Second set of IIO + counter new device support, features etc for the 5.5 cycle.
Note two merge commits in here, both for immutable branches based
of 5.4-rc1.
1. Ti eqep driver because of some file moves in precursor patches.
I suspect no one else will pull this one.
2. ab8500 refactor as changes in power supply, hwmon and mfd trees.
This may come via numerous trees as well as IIO.
Counter subsystem related
* ti eqep
- New device support with bindings.
- Includes prior file move to reflect more general use of ti-pwmss.
* Counter core
- simplify count_read and count_write callbacks + document change.
- fix a typo in docs.
Various subsystems related
* AB8500
- ab8500_btemp driver converted to be an IIO consumer driver.
- ab8500_charger driver converted to be an IIO consumer driver.
- ab8500_fg fuel gauge driver converted to be an IIO consumer driver.
- ab8500 hwmon driver converted to be an IIO consumer driver.
- mfd bindings augmented with the adc channels to make the above work.
- drop original mfd driver.
New device support
* ab8500
- new ADC driver used by the above other subystems via the IIO consumer
interface.
* adux1020 photometric sensor
- new driver and dt bindings.
* fxos877cq
- new driver for this simple(ish) IMU with DT bindings.
* intel_mrfld_adc
- new driver for the ADC found on Intel Merrifield platforms.
* ltc2983
- new driver for this multi-sensor type temperature interface.
Includes complex DT bindings.
* max1027
- support for 12 bit devices, max1227, max1229 and max1231 + add to trivial
bindings.
* st_lsm6dsx
- support for the LSM6DS0 6 axis MEMs sensor.
Note different from the LSM6DSO which the driver already supports *sigh*
- support for the LSM6DSRX 6 axis MEMs sensor.
Features and cleanups
* ad7303
- replace use of core mlock with a local lock with cleanly defined scope.
* ad9834
- add a check for devm_clk_get failing.
* at91-sama5d2
- tidy up a 0 as NULL warning.
* bmp280
- endian type tidy ups.
- use bulk regulator ops for a small reduction in code.
- use devm_add_action... to simplify error path handling.
* exynos
- drop stray semicolon.
- use devm_platform_ioremap_resource to reduce boilerplate.
* hx711
- various tricks to improve the frequency of read out possible.
* max1027
- debugfs support.
- make interrupts optional.
- reset at probe to get clean state.
- refactors to allow addition of new device support.
* maxim thermocouple
- drop an unneeded semicolon.
* mb1232
- yaml binding conversion.
* mcp320x
- tidy up an endian types in cast warning.
* meson_saradc
- use devm_platform_ioremap_resource to reduce boilerplate.
* mpu3050
- make a poison value explicity big endian to supress a warning.
* pulsedlight v2
- endian type tidy ups.
* sgp30
- drop an excess semicolon.
* sps30
- make truncation explicit with masking to clean up a warning.
* st sensors
- drop gpio include as none of these support gpios.
* st_lsm6dsx
- tidy up some alignment issues.
- refactors to allow addition of new device support.
* allow varients of irq related reg definitions.
* avoid accessing active-low, open-drain regs if not provided.
* allow varients of bdu/boot and reset regs.
* allow for enabling or disabling wakeup sources through platform
data (seems someone still uses this).
- enable wake-up events for LSM6DS0
- use the drdy mask to avoid some invalid samples during initial start
of sensor.
- Add support to trim the timestamp.
* stm32_adc
- kernel-doc fixes.
* stm32_dac
- power management support.
* stmpe-adc
- Fix endian type of local variable.
* twl4030
- use false / true instead of 0 / 1 for booleans.
* xilinx-xadc
- use devm_platform_ioremap_resouce to reduce boilerplate.
* zpa2326
- reorganise buffer handling setup to be more consistent.
Fixes (mostly recent additions)
* cpcap-adc
- Fix mising IRQF_ONESHOT that would cause warnings to be printed.
* st_lsm6dsx
- Sanity check the read_fifo pointer is set.
- use locked read and update functions to prevent some races.
- avoid accessing enable_reg if not provided.
- take a lock to prevent a race in updating the config.
- kernel-doc fixes.
- document wakeup-source property in dt binding.
- fix lsm9ds1 gyro gain definitions.
* tag 'iio-for-5.5b' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (73 commits)
dt-bindings: iio: imu: st_lsm6dsx: add lsm6dsrx device bindings
iio: imu: st_lsm6dsx: add support to LSM6DSRX
iio: st: Drop GPIO include
iio: adc: hx711: optimize performance in read cycle
iio: adc: stm32-adc: fix kernel-doc warnings
iio: pressure: zpa2326: fix iio_triggered_buffer_postenable position
iio: chemical: sgp30: drop excess semicolon
iio: adc: twl4030: Use false / true instead of 0 / 1 with booleans
dt-bindings: iio: Add ltc2983 documentation
iio: temperature: Add support for LTC2983
iio: pressure: bmp280: use devm action and remove labels from probe
iio: pressure: bmp280: use bulk regulator ops
iio: imu: Add support for the FXOS8700 IMU
dt-bindings: iio: imu: add fxos8700 imu binding
staging: iio: ad9834: add a check for devm_clk_get
iio: adc: xilinx-xadc: use devm_platform_ioremap_resource
iio: temp: maxim thermocouple: Drop unneeded semi colon.
iio: adc: cpcap-adc: Fix missing IRQF_ONESHOT as only threaded handler.
iio: adc: meson_saradc: use devm_platform_ioremap_resource
iio: adc: exynos: use devm_platform_ioremap_resource
...
|
||
|
Greg Kroah-Hartman
|
cce430450e |
Merge 5.4-rc5 into staging-next
We want the staging fixes in here for testing and building on. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Lorenzo Bianconi
|
5a3436dc36 |
dt-bindings: iio: imu: st_lsm6dsx: add lsm6dsrx device bindings
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Linus Torvalds
|
63cbb3b364 |
ARM: SoC fixes
A slightly larger set of fixes have accrued in the last two weeks.
Mostly a collection of the usual smaller fixes:
- Marvell Armada: USB phy setup issues on Turris Mox
- Broadcom: GPIO/pinmux DT mapping corrections for Stingray, MMC bus
width fix for RPi Zero W, GPIO LED removal for RPI CM3. Also some
maintainer updates.
- OMAP: Fixlets for display config, interrupt settings for wifi, some
clock/PM pieces. Also IOMMU regression fix and a ti-sysc no-watchdog
regression fix.
- i.MX: A few fixes around PM/settings, some devicetree fixlets and
catching up with config option changes in DRM
- Rockchip: RockRro64 misc DT fixups, Hugsun X99 USB-C, Kevin display
panel settings
... and some smaller fixes for Davinci (backlight, McBSP DMA), Allwinner
(phy regulators, PMU removal on A64, etc).
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"A slightly larger set of fixes have accrued in the last two weeks.
Mostly a collection of the usual smaller fixes:
- Marvell Armada: USB phy setup issues on Turris Mox
- Broadcom: GPIO/pinmux DT mapping corrections for Stingray, MMC bus
width fix for RPi Zero W, GPIO LED removal for RPI CM3. Also some
maintainer updates.
- OMAP: Fixlets for display config, interrupt settings for wifi, some
clock/PM pieces. Also IOMMU regression fix and a ti-sysc
no-watchdog regression fix.
- i.MX: A few fixes around PM/settings, some devicetree fixlets and
catching up with config option changes in DRM
- Rockchip: RockRro64 misc DT fixups, Hugsun X99 USB-C, Kevin display
panel settings
... and some smaller fixes for Davinci (backlight, McBSP DMA),
Allwinner (phy regulators, PMU removal on A64, etc)"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
ARM: dts: stm32: relax qspi pins slew-rate for stm32mp157
MAINTAINERS: Update the Spreadtrum SoC maintainer
MAINTAINERS: Remove Gregory and Brian for ARCH_BRCMSTB
ARM: dts: bcm2837-rpi-cm3: Avoid leds-gpio probing issue
bus: ti-sysc: Fix watchdog quirk handling
ARM: OMAP2+: Add pdata for OMAP3 ISP IOMMU
ARM: OMAP2+: Plug in device_enable/idle ops for IOMMUs
ARM: davinci_all_defconfig: enable GPIO backlight
ARM: davinci: dm365: Fix McBSP dma_slave_map entry
ARM: dts: bcm2835-rpi-zero-w: Fix bus-width of sdhci
ARM: imx_v6_v7_defconfig: Enable CONFIG_DRM_MSM
arm64: dts: imx8mn: Use correct clock for usdhc's ipg clk
arm64: dts: imx8mm: Use correct clock for usdhc's ipg clk
arm64: dts: imx8mq: Use correct clock for usdhc's ipg clk
ARM: dts: imx7s: Correct GPT's ipg clock source
ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect'
ARM: dts: imx6q-logicpd: Re-Enable SNVS power key
arm64: dts: lx2160a: Correct CPU core idle state name
mailmap: Add Simon Arlott (replacement for expired email address)
arm64: dts: rockchip: Fix override mode for rk3399-kevin panel
...
|
||
|
Linus Torvalds
|
39a38bcba4 |
Devicetree fixes for 5.4:
Fix a ref count, memory leak, and Risc-V cpu schema warnings. -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAl2wtukQHHJvYmhAa2Vy bmVsLm9yZwAKCRD6+121jbxhwyTdD/4lVzqzzip1CH6yQ4PrNQiSYqMIYhYwnZCJ uqaq0OdOQGrLFtM4/YbsU+oeTeV+tBHen5k/C3XtwAowH49TQwPZcgFas43eWVqW /FoWqDPwyB94JjgkAsTbpnieHII7ZSKwMGEuCcHPf6ppOZe2Y9VLgsJWG576kwYe bZUFJQ7EV+rCaFxWlEYq7kJ1KDPKPIVEqAsULi5TYLRTPPiKUKaYoM525IS+2M0U NDn9Szvqoy4+ZC2yBn9bBuG6gdwPp0ZlxhRRY/hyjXYn4keC9x0e1rKpvs1DLE+L Uxbb0OZ7mFWyqLdzptSD1WfghxkhjdGhgwYRJccjkPG+iVDHNAsTTdgPsEBSa4x1 YDnwfkcxkqoYh2tK/TaG7ZGpG5dv7nVhek8IL+bpuvvc9ZdT8mEL6Q86GsKTAEw1 yBzNrEGryZZV62a3xeaNQKQ8v1b3KJXT110UQyZA0yOT/q7k3QcCJ4tfBB4lNdUS 9YLig/llunwyJI+vBMu2M3GuiQy0ClsEPemsm1CIvKEZ5uVMiIzhI5MWu5P/KDJ4 LOYcSYVBtNPhUxMwU0PvIDROJKDTe3g0bVUzarQq+lvsR7muDmmRGvDJT0J6Ziyz qqMEqRPYsbJoWiE5PgDQIDBaw1wObZ4mjuBvclffyrUiFX2MHk0O0IydzTwM54I/ BEm1DnQGbg== =vXnQ -----END PGP SIGNATURE----- Merge tag 'devicetree-fixes-for-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull Devicetree fixes from Rob Herring: "A couple more DT fixes for 5.4: fix a ref count, memory leak, and Risc-V cpu schema warnings" * tag 'devicetree-fixes-for-5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: of: reserved_mem: add missing of_node_put() for proper ref-counting of: unittest: fix memory leak in unittest_data_add dt-bindings: riscv: Fix CPU schema errors |
||
Rob Herring
|
9af865d95b |
dt-bindings: riscv: Fix CPU schema errors
Fix the errors in the RiscV CPU DT schema:
Documentation/devicetree/bindings/riscv/cpus.example.dt.yaml: cpu@0: 'timebase-frequency' is a required property
Documentation/devicetree/bindings/riscv/cpus.example.dt.yaml: cpu@1: 'timebase-frequency' is a required property
Documentation/devicetree/bindings/riscv/cpus.example.dt.yaml: cpu@0: compatible:0: 'riscv' is not one of ['sifive,rocket0', 'sifive,e5', 'sifive,e51', 'sifive,u54-mc', 'sifive,u54', 'sifive,u5']
Documentation/devicetree/bindings/riscv/cpus.example.dt.yaml: cpu@0: compatible: ['riscv'] is too short
Documentation/devicetree/bindings/riscv/cpus.example.dt.yaml: cpu@0: 'timebase-frequency' is a required property
The DT spec allows for 'timebase-frequency' to be in 'cpu' or 'cpus' node
and RiscV requires it in /cpus node, so make it disallowed in cpu
nodes.
Fixes:
|
||
|
Linus Torvalds
|
deed1d4469 |
regulator: Fixes for v5.4
There are a few core fixes here around error handling and handling if suspend mode configuration and some driver specific fixes here but the most important change is the fix to the fixed-regulator DT schema conversion introduced during the last merge window. That fixes one of the last two errors preventing successful execution of "make dt_binding_check" which will be enourmously helpful for DT schema development. -----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl2wgdsTHGJyb29uaWVA a2VybmVsLm9yZwAKCRAk1otyXVSH0PxRB/4uqIJR3n3mIdrHtB0DVaZEWm7jsC6L PUYZZH//EkLe6d5hgb2qKYrpIJIlKdrVukySl/uyE//gxNH6BUOgggfAGx5qIAjN qGB6dv+M+AWiDW3hRkMPQ/RnnNgm/llM5cOIHjFqHvYiVbfppIYkKFoCMS8BPWDT 8DUlSwRTGHDKlR1Zn7+HJqvE+eoDAgTVnwoDKaZUh6sL2UrNA8nf0irsB6yq1n+u 1O9D02oTd01tw8Qy3/zAdL+E1RfHbYAuobz367mRUaEzZg6AFG3eWkuJdGIYR+14 C5ypBi/e0zXOyWHEjA5qfxXNbw0U+j4R37iPdgvQvhVQp7D8gIPqXIxX =r41P -----END PGP SIGNATURE----- Merge tag 'regulator-fix-v5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fixes from Mark Brown: "There are a few core fixes here around error handling and handling if suspend mode configuration and some driver specific fixes here but the most important change is the fix to the fixed-regulator DT schema conversion introduced during the last merge window. That fixes one of the last two errors preventing successful execution of "make dt_binding_check" which will be enormously helpful for DT schema development" * tag 'regulator-fix-v5.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: qcom-rpmh: Fix PMIC5 BoB min voltage regulator: pfuze100-regulator: Variable "val" in pfuze100_regulator_probe() could be uninitialized regulator: lochnagar: Add on_off_delay for VDDCORE regulator: ti-abb: Fix timeout in ti_abb_wait_txdone/ti_abb_clear_all_txdone regulator: da9062: fix suspend_enable/disable preparation dt-bindings: fixed-regulator: fix compatible enum regulator: fixed: Prevent NULL pointer dereference when !CONFIG_OF regulator: core: make regulator_register() EPROBE_DEFER aware regulator: of: fix suspend-min/max-voltage parsing |
||
Olof Johansson
|
21397ae00f |
A number of fixes for this release, but mostly:
- A fixup for the A10 CSI DT binding merged during the 5.4-rc1 window - A fix for a dt-binding error - Addition of phy regulator delays - The PMU on the A64 was found to be non-functional, so we've dropped it for now -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXa/4RQAKCRDj7w1vZxhR xU3XAQDYuCixpCCftKIhjcz+oultXqAJysDEE44dATwT1YfINgD/eBSwBw1l/Ni7 yOumUvRZ1fJC3NO8e7vh9cYN9yy5tgw= =3/ru -----END PGP SIGNATURE----- Merge tag 'sunxi-fixes-for-5.4-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes A number of fixes for this release, but mostly: - A fixup for the A10 CSI DT binding merged during the 5.4-rc1 window - A fix for a dt-binding error - Addition of phy regulator delays - The PMU on the A64 was found to be non-functional, so we've dropped it for now * tag 'sunxi-fixes-for-5.4-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: ARM: dts: sun7i: Drop the module clock from the device tree dt-bindings: media: sun4i-csi: Drop the module clock media: dt-bindings: Fix building error for dt_binding_check arm64: dts: allwinner: a64: sopine-baseboard: Add PHY regulator delay arm64: dts: allwinner: a64: Drop PMU node arm64: dts: allwinner: a64: pine64-plus: Add PHY regulator delay Link: https://lore.kernel.org/r/80085a57-c40f-4bed-a9c3-19858d87564e.lettre@localhost Signed-off-by: Olof Johansson <olof@lixom.net> |
||
|
Linus Torvalds
|
3b7c59a195 |
Pin control fixes for v5.4:
- Handle multiple instances of Intel chips without complaining. - Restore the Intel Strago DMI workaround - Make the Armada 37xx handle pins over 32 - Fix the polarity of the LED group on Armada 37xx - Fix an off-by-one bug in the NS2 driver - Fix error path for iproc's platform_get_irq() - Fix error path on the STMFX driver - Fix a typo in the Berlin AS370 driver - Fix up misc errors in the Aspeed 2600 BMC support - Fix a stray SPDX tag -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEElDRnuGcz/wPCXQWMQRCzN7AZXXMFAl2uuboACgkQQRCzN7AZ XXNxjhAAmJS6tYrObjqIA/2jO+wOT4Y9WZjQ1YSWvgfB0jKHsITqNAW931aTA/98 2i1i0KpCtya3D1EOHHXBE6tiykr3D9KdIjJlvpoSJ5R53x/mUnTxAIXSxxeQZGQ9 IzpMdHmxAiFsX8kIDXUGlH2PvLa4WrLAl81Lpq+JzugMLDHKtuI7Bq8eZFbcAikg tf9DKvMvBHtoXRC6FL9zUlyLgOAA3G4W4jeWbJJp0NHosRRvFtL2XE1HTFJASDC1 dGs48bThL+gX7lOAyjlt7Dl5gwEUtQXcoOXQo1Fwtu0No7L07Sr0QLbYTjeZh2dT Fzxjyzzsckoa/HysESMdrGLzosGaDcNAk6wCPaX9sv3AuxDt/di4vSj0JKWq9Day 86zAGT9+cZjs4Fk0ZkaStARiesEB24M7uAXZbqo6PERvLJd5PA/cLujMuqoHDkAP POOJp1Y1VlgqYoO7shGXVvo64Vc4aw/ZRkjS25hOJWt6VGhc71jt5GfpJN7qzFSW n2kw1178ldayHp8LUpiM4YE33ox+9+IglYxFR2sDggIlWnHJBYQsogNw1ekZ5Qc1 MOxnGz7NUionAVyiqMos5HDfd5XJUN5jIK5deK/xNWryLkpLOYaQiiranIc5d+M9 KPbmTy/Nou8ts1P5x33e+c8VF0YeihARj1JVjOn+Er+dvbpmgnw= =d/2k -----END PGP SIGNATURE----- Merge tag 'pinctrl-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: "Here is a bunch of pin control fixes. I was lagging behind on this one, some fixes should have come in earlier, sorry about that. Anyways here it is, pretty straight-forward fixes, the Strago fix stand out as something serious affecting a lot of machines. Summary: - Handle multiple instances of Intel chips without complaining. - Restore the Intel Strago DMI workaround - Make the Armada 37xx handle pins over 32 - Fix the polarity of the LED group on Armada 37xx - Fix an off-by-one bug in the NS2 driver - Fix error path for iproc's platform_get_irq() - Fix error path on the STMFX driver - Fix a typo in the Berlin AS370 driver - Fix up misc errors in the Aspeed 2600 BMC support - Fix a stray SPDX tag" * tag 'pinctrl-v5.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: aspeed-g6: Rename SD3 to EMMC and rework pin groups pinctrl: aspeed-g6: Fix UART13 group pinmux pinctrl: aspeed-g6: Make SIG_DESC_CLEAR() behave intuitively pinctrl: aspeed-g6: Fix I3C3/I3C4 pinmux configuration pinctrl: aspeed-g6: Fix I2C14 SDA description pinctrl: aspeed-g6: Sort pins for sanity dt-bindings: pinctrl: aspeed-g6: Rework SD3 function and groups pinctrl: berlin: as370: fix a typo s/spififib/spdifib pinctrl: armada-37xx: swap polarity on LED group pinctrl: stmfx: fix null pointer on remove pinctrl: iproc: allow for error from platform_get_irq() pinctrl: ns2: Fix off by one bugs in ns2_pinmux_enable() pinctrl: bcm-iproc: Use SPDX header pinctrl: armada-37xx: fix control of pins 32 and up pinctrl: cherryview: restore Strago DMI workaround for all versions pinctrl: intel: Allocate IRQ chip dynamic |
||
Nuno Sá
|
3986a14870 |
dt-bindings: iio: Add ltc2983 documentation
Document the LTC2983 temperature sensor devicetree bindings. Tweaked by Jonathan to take into account the lack of signed output being maintained by dtc yaml output. For now a comment added that the unsigned array should actually be signed. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Robert Jones
|
4d6f93964d |
dt-bindings: iio: imu: add fxos8700 imu binding
This adds documentation for the Freescale FXOS8700 Inertial Measurement Unit device-tree bindings. Signed-off-by: Robert Jones <rjones@gateworks.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Linus Torvalds
|
81c4bc31c4 |
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A small set of irq chip driver fixes and updates:
- Update the SIFIVE PLIC interrupt driver to use the fasteoi handler
to address the shortcomings of the existing flow handling which was
prone to lose interrupts
- Use the proper limit for GIC interrupt line numbers
- Add retrigger support for the recently merged Anapurna Labs Fabric
interrupt controller to make it complete
- Enable the ATMEL AIC5 interrupt controller driver on the new
SAM9X60 SoC"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/sifive-plic: Switch to fasteoi flow
irqchip/gic-v3: Fix GIC_LINE_NR accessor
irqchip/atmel-aic5: Add support for sam9x60 irqchip
irqchip/al-fic: Add support for irq retrigger
|
||
|
Linus Torvalds
|
531e93d114 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
"I was battling a cold after some recent trips, so quite a bit piled up
meanwhile, sorry about that.
Highlights:
1) Fix fd leak in various bpf selftests, from Brian Vazquez.
2) Fix crash in xsk when device doesn't support some methods, from
Magnus Karlsson.
3) Fix various leaks and use-after-free in rxrpc, from David Howells.
4) Fix several SKB leaks due to confusion of who owns an SKB and who
should release it in the llc code. From Eric Biggers.
5) Kill a bunc of KCSAN warnings in TCP, from Eric Dumazet.
6) Jumbo packets don't work after resume on r8169, as the BIOS resets
the chip into non-jumbo mode during suspend. From Heiner Kallweit.
7) Corrupt L2 header during MPLS push, from Davide Caratti.
8) Prevent possible infinite loop in tc_ctl_action, from Eric
Dumazet.
9) Get register bits right in bcmgenet driver, based upon chip
version. From Florian Fainelli.
10) Fix mutex problems in microchip DSA driver, from Marek Vasut.
11) Cure race between route lookup and invalidation in ipv4, from Wei
Wang.
12) Fix performance regression due to false sharing in 'net'
structure, from Eric Dumazet"
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (145 commits)
net: reorder 'struct net' fields to avoid false sharing
net: dsa: fix switch tree list
net: ethernet: dwmac-sun8i: show message only when switching to promisc
net: aquantia: add an error handling in aq_nic_set_multicast_list
net: netem: correct the parent's backlog when corrupted packet was dropped
net: netem: fix error path for corrupted GSO frames
macb: propagate errors when getting optional clocks
xen/netback: fix error path of xenvif_connect_data()
net: hns3: fix mis-counting IRQ vector numbers issue
net: usb: lan78xx: Connect PHY before registering MAC
vsock/virtio: discard packets if credit is not respected
vsock/virtio: send a credit update when buffer size is changed
mlxsw: spectrum_trap: Push Ethernet header before reporting trap
net: ensure correct skb->tstamp in various fragmenters
net: bcmgenet: reset 40nm EPHY on energy detect
net: bcmgenet: soft reset 40nm EPHYs before MAC init
net: phy: bcm7xxx: define soft_reset for 40nm EPHY
net: bcmgenet: don't set phydev->link from MAC
net: Update address for MediaTek ethernet driver in MAINTAINERS
ipv4: fix race condition between route lookup and invalidation
...
|
||
William Breathitt Gray
|
e58cbfd20a |
docs: driver-api: generic-counter: Update Count and Signal data types
Count data is now always represented as an unsigned integer, while Signal data is either SIGNAL_LOW or SIGNAL_HIGH. In addition, clarification changes and additions are made to better explain the theory of the Generic Counter interface and its use. Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Jonathan Cameron
|
16922ffee1 |
Merge branch 'ib-ab8500-5.4-rc1' into HEAD
Immutable branch as considerable overlap with mfd, power and hwmon. |
||
Linus Walleij
|
a133f5bc82 |
mfd: ab8500: Augment DT bindings
As we migrate the AB8500 GPADC driver to use IIO, we need to augment the bindings to account for defining the ADC channels in the device tree. Cc: devicetree@vger.kernel.org Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Linus Torvalds
|
0e2adab6cf |
arm64 fixes for -rc4
- Work around Cavium/Marvell ThunderX2 erratum #219 - Fix regression in mlock() ABI caused by sign-extension of TTBR1 addresses - More fixes to the spurious kernel fault detection logic - Fix pathological preemption race when enabling some CPU features at boot - Drop broken kcore macros in favour of generic implementations - Fix userspace view of ID_AA64ZFR0_EL1 when SVE is disabled - Avoid NULL dereference on allocation failure during hibernation -----BEGIN PGP SIGNATURE----- iQFEBAABCgAuFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAl2o1IsQHHdpbGxAa2Vy bmVsLm9yZwAKCRC3rHDchMFjNEzXCACi8bK3PWUJ9R6DcUeDNFuSMT0d2C/8CRNj mKnYkHx/GSChLBe3ZsNYbH5wnh70ItKzUUyMwMlwKevpr0kvLn0AN+WuSpP77Thk qFuaO5EC10V039SXoAjOPs4Jxwoi6NaShDJYkLmr2kwp0g7dEol+8C80V1fQVqgx oSmFcrYlqki1qhz8e1qCY4K8fAt6VdMt8OcouXs58ETFqsUFBFy/xx9Vsa0AQKkN ZU8lzGIYNVLtA1G7wei7IuoKgYQ0t7XMynsve9P9i+RXmLrIbeyLpeZyn+3GW0jO r3Epj0lYqKe8IZ+eTUDu3KvKHHdICHIDBDxP2c66hfgkw0prn/vU =9E3e -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "The main thing here is a long-awaited workaround for a CPU erratum on ThunderX2 which we have developed in conjunction with engineers from Cavium/Marvell. At the moment, the workaround is unconditionally enabled for affected CPUs at runtime but we may add a command-line option to disable it in future if performance numbers show up indicating a significant cost for real workloads. Summary: - Work around Cavium/Marvell ThunderX2 erratum #219 - Fix regression in mlock() ABI caused by sign-extension of TTBR1 addresses - More fixes to the spurious kernel fault detection logic - Fix pathological preemption race when enabling some CPU features at boot - Drop broken kcore macros in favour of generic implementations - Fix userspace view of ID_AA64ZFR0_EL1 when SVE is disabled - Avoid NULL dereference on allocation failure during hibernation" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: tags: Preserve tags for addresses translated via TTBR1 arm64: mm: fix inverted PAR_EL1.F check arm64: sysreg: fix incorrect definition of SYS_PAR_EL1_F arm64: entry.S: Do not preempt from IRQ before all cpufeatures are enabled arm64: hibernate: check pgd table allocation arm64: cpufeature: Treat ID_AA64ZFR0_EL1 as RAZ when SVE is not enabled arm64: Fix kcore macros after 52-bit virtual addressing fallout arm64: Allow CAVIUM_TX2_ERRATUM_219 to be selected arm64: Avoid Cavium TX2 erratum 219 when switching TTBR arm64: Enable workaround for Cavium TX2 erratum 219 when running SMT arm64: KVM: Trap VM ops when ARM64_WORKAROUND_CAVIUM_TX2_219_TVM is set |
||
|
Jonathan Cameron
|
686191a7ea |
Merge branch 'ib-ti-eqep-5.4-rc1' into togreg
Immutable branch being merged in. Created as this also involves moving some dependencies around, outside of the counter subsystem. It's possible it will want to be pulled into other trees. |
||
David Lechner
|
1517d90cfa |
dt-bindings: counter: new bindings for TI eQEP
This documents device tree binding for the Texas Instruments Enhanced Quadrature Encoder Pulse (eQEP) Module found in various TI SoCs. Signed-off-by: David Lechner <david@lechnology.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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Will Deacon
|
777d062e5b |
Merge branch 'errata/tx2-219' into for-next/fixes
Workaround for Cavium/Marvell ThunderX2 erratum #219. * errata/tx2-219: arm64: Allow CAVIUM_TX2_ERRATUM_219 to be selected arm64: Avoid Cavium TX2 erratum 219 when switching TTBR arm64: Enable workaround for Cavium TX2 erratum 219 when running SMT arm64: KVM: Trap VM ops when ARM64_WORKAROUND_CAVIUM_TX2_219_TVM is set |
||
Andrew Jeffery
|
9091a0698b |
dt-bindings: pinctrl: aspeed-g6: Rework SD3 function and groups
Rename SD3 functions and groups to EMMC to better reflect their intended use before the binding escapes too far into the wild. Also clean up the SD3 pin groups to eliminate some silliness that slipped through the cracks (SD3DAT[4-7]) by unifying them into three new groups: EMMCG1, EMMCG4 and EMMCG8 for 1, 4 and 8-bit data buses respectively. Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Link: https://lore.kernel.org/r/20191008044153.12734-2-andrew@aj.id.au Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
||
|
Lorenzo Bianconi
|
eb1850c562 |
dt-bindings: iio: imu: st_lsm6dsx: add lsm6ds0 device bindings
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Andreas Klinger
|
af8dc7bf4e |
dt-bindings: iio: maxbotix,mb1232.yaml: transform to yaml
transform existing documentation of maxbotix,mb1232 ultrasonic ranger from text documentation format into yaml. Changes in v3: - add a i2c node around device node to set up #address-cells and #size-cells for omitting error during make dt_binding_check Changes in v2: - removed description of reg property - added a line: additionalProperties: false Signed-off-by: Andreas Klinger <ak@it-klinger.de> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Lorenzo Bianconi
|
21119a5dbf |
dt-bindings: iio: imu: st_lsm6dsx: document missing wakeup-source property
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Reviewed-by: Sean Nyekjaer <sean@geanix.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Miquel Raynal
|
dbcc1fbe5d |
dt-bindings: Add max12xx SPI ADC series as trivial devices
Update the compatible list with three Maxim ADCs compatibles. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Miquel Raynal
|
1a910d3aeb |
dt-bindings: Add 1027/1029/1031 SPI ADCs as trivial devices
In the same time, remove the dedicated bindings file which is now useless. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Miquel Raynal
|
1689387487 |
dt-bindings: iio: adc: max1027: Mark interrupts as optional
The chips have a 'start conversion' and a 'end of conversion' pair of pins. They can be used but this is absolutely not mandatory as regular polling is supported by the chip depending on its internal clocking setup. There is no physical reason to force the use of interrupts so turn them optional. Also, once the interrupt turned optional, these devices fit perfectly the "trivial devices" described in the generic (yaml) bindings file, so instead of converting this text file to json schema, we can just add the relevant compatibles in: Documentation/devicetree/bindings/trivial-devices.yaml. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Manivannan Sadhasivam
|
e7bd89c0e0 |
dt-bindings: iio: light: Add binding for ADUX1020
Add devicetree binding for Analog Devices ADUX1020 Photometric sensor. Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Vlastimil Babka
|
0fe9a448a0 |
mm, page_owner: decouple freeing stack trace from debug_pagealloc
Commit
|
||
Thomas Gleixner
|
c9b59181c2 |
irqchip fixes for 5.4, take #1
- Add retrigger support to Amazon's al-fic driver - Add SAM9X60 support to Atmel's AIC5 irqchip - Fix GICv3 maximum interrupt calculation - Convert SiFive's PLIC to the fasteoi IRQ flow -----BEGIN PGP SIGNATURE----- iQJDBAABCgAtFiEEn9UcU+C1Yxj9lZw9I9DQutE9ekMFAl2TG74PHG1hekBrZXJu ZWwub3JnAAoJECPQ0LrRPXpDaCsQAJNOv7mE6d52LPA5e9Vx/HP2shKjTNdpyD4C vi5tE7bvQ7VKZuoQ7S7zF3RrrG4z/Fth7Qe0v2T+2OecXBlejB64z642CIY0aVhh SPWf1pUimHCosQnY2xEi/8Db6i0ZzlaYo5FlhTK+OKnaEuhXdoGVRVxyk+AhSq5n jruA+GO/V2OfbbEkmXwJViEF6w0jzuQEaJIm9M2Z0S5QG3tsnC2+OrsBDJZqxT9/ 7Jvx6IB/dk3yuQC7byT7bBLlEnw8nPe8yVua8N8LtTiZi/JjpfIl3qgXJx/h9iyc jkuOZn2GpWwzi/i6SFQLTVKxeChqPTa61tTX67Y4LnCF8iOhzNY/Ev9OqLztTW+J tVYaW6zp/shKOze1GmDXcG/9OMgQ7prR05nK2hnbGaI+dRHiw+zvgS0Sd6pPilDx V/FtdCCD3JkKUgu+O6qBkJZb1RXbwGs7RdpkWHaxuYu3F47lGkoWpKPc689DWXyI FL9bqcr3i4hPfWn4a/fVjYBvov91SCWRLWhhB5ViZ59ldE7WG2A5g62X9f6+mUk8 PrPFT0eldnCzeEf81suj7X0Phv8ftzigTm9ByJh8AV1/uuBi+AKjsYxDsp7CxMPj 9YYozRHakyp0c9hpwXRjozlVGKC6JpZLBBFga5+zI62IoIdEJCdnGFfdbxcqPRJE oCXSSXXG =AV7P -----END PGP SIGNATURE----- Merge tag 'irqchip-fixes-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent Pull irqchip fixes from Marc Zyngier: - Add retrigger support to Amazon's al-fic driver - Add SAM9X60 support to Atmel's AIC5 irqchip - Fix GICv3 maximum interrupt calculation - Convert SiFive's PLIC to the fasteoi IRQ flow |
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|
Greg Kroah-Hartman
|
27d6e47f8e |
Merge 5.4-rc3 into staging-next
We want the staging driver fixes in here as well to build on and test with. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Linus Torvalds
|
2581efa9a4 |
hwmon fixes for v5.4-rc3
Update/fix inspur-ipsps1 and k10temp Documentation Fix nct7904 driver Fix HWMON_P_MIN_ALARM mask in hwmon core -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiHPvMQj9QTOCiqgVyx8mb86fmYEFAl2iD0IACgkQyx8mb86f mYEnFQ//XJMPIukj659J3hwfzxEx3LXucQsQivUhmVXYzPAzdxa9eC97tj1I3pgz nKR2BIFvXtI+o3459TWuvj+Y7utmQXRQ5XiP6JBb+Wkn84IK6O0GNKSOPYDNI/3t /ii2XY3dERr8BuBPmRuYP7GorjFJH1P7B0FXrln5HLYAyS1yJVioLVhbrbi63NkL ngoxZhgcVP5QIbaSFC6ZJs1oqXXVIbvBEkt9bjkmDhJssmPtFweVxvIUnWUoPdAg A/GvmOddhRa/9vXzZbNThOFOLq7nHguIDvbIwizULMRHfDHB5aFEqyz9W/OFqSj5 8s+GRiO1oYBxVrz4Bl32pR0aCJbZ5WlxhgKrLdlunRnATAzXpLzRAbKhOhoBchJZ xyC+96q0x8GIJ5dBqm2XqZhJssZgfgb/6SSlzSu+r6aQogHQc1/PDL26PHR517E5 T/pUNY97LvOOgiosDuaLiGpiszoz0WdeHVqdUujnRiN5TtE5u0M6ACdumXGjFb8K 0sPkep919yaaKNaPYA6u9PCHl4WG5EJdBkY44z4BkCt9scVvXEvATGUxNMwH8Bvm 95w/swRlN2yq+fa4T4I3UtAAW9EgCJ3LIYYUo1me0SDld2cPwbVkMvOIirD3TBLC qoP178X34HaqeozOaW4Hi08QYLzktmCo5KFm6KKNFbFCQZ4oBo4= =d+np -----END PGP SIGNATURE----- Merge tag 'hwmon-for-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: - Update/fix inspur-ipsps1 and k10temp Documentation - Fix nct7904 driver - Fix HWMON_P_MIN_ALARM mask in hwmon core * tag 'hwmon-for-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: docs: Extend inspur-ipsps1 title underline hwmon: (nct7904) Add array fan_alarm and vsen_alarm to store the alarms in nct7904_data struct. docs: hwmon: Include 'inspur-ipsps1.rst' into docs hwmon: Fix HWMON_P_MIN_ALARM mask hwmon: (k10temp) Update documentation and add temp2_input info hwmon: (nct7904) Fix the incorrect value of vsen_mask in nct7904_data struct |
||
|
Greg Kroah-Hartman
|
9dc86c234e |
First set of IIO new device support, cleanups and features for the 5.5 cycle
Third version with the adis rework set dropped as better to just have
a fresh version of that at some future date.
The usual mixed backs of new device support being added to drivers,
long term reworks continuing and little per driver cleanups and
features.
Also a few trivial counter subsystem tidy ups on behalf of William.
Core new feature
* Device label support. A long requested feature no one got around to
implementing before. Allows DT based provision of a 'label' that
identifies a device uniquely within a system. This differs from existing
'name' which is meant to be the part number.
New device support
* ingenic-adc
- Support for the JZ4770 SoC ADC including bindings.
* inv_mpu6050
- Add support for magnetometer in MPU925x parts.
Fiddly to do as this is actually a separate device sitting inside the
package, but with the master device being able to schedule reads etc.
Will only run if the auxiliary bus is not in use for any other devices.
Features
* ad7192
- Userspace calibration controls to do zero and full scale.
* st_lsm6dsx
- Enable latched interrupts by default for sensors events with related clear.
- Motion events and related wakeup source. This needed quite a bit of
refactoring as well.
Cleanups and minor features
* ad7192
- sysfs ABI docs
* ad7949
- Remove code to readback configuration word as driver never actually enabled
it.
- Fix incorrect xfer length. Not actually known to cause problems other
than wasted bus usage.
* adis16080
- Replace core mlock usage with local lock with more appropriate scope.
* adis16130
- Remove pointless mlock usage.
* adis16240
- Remove include of gpio.h as no gpio usage.
* atlas-ph-sensor
- Improve logical ordering of buffer predisable / postenable functions.
This is part of a longer term rework Alexandru is driving towards.
* bh1750
- Fix up a static compiler warning and make the code more readable.
- yaml conversion of binding + MAINTAINERS entry.
* bmp280
- Drop a stray newline.
* cm36651
- Drop a redundant assignment
* itg3200
- Alignment cleanup.
* max31856
- Add missing of_node and parent references, useful to identify the device.
* sc27xx_adc
- Use devm_hwspin_lock_request_specific rather than local rolled version.
* stm32-lptimer counter
- kernel-doc warning.
* stm32-timer counter
- kernel-doc warning.
- Alignment cleanup.
* sx9500
- Improve logical ordering of buffer predisable / postenable functions.
This is part of a longer term rework Alexandru is driving towards.
* tcs3414
- Improve logical ordering of buffer predisable / postenable functions.
This is part of a longer term rework Alexandru is driving towards.
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Merge tag 'iio-for-5.5a-take3' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of IIO new device support, cleanups and features for the 5.5 cycle
Third version with the adis rework set dropped as better to just have
a fresh version of that at some future date.
The usual mixed backs of new device support being added to drivers,
long term reworks continuing and little per driver cleanups and
features.
Also a few trivial counter subsystem tidy ups on behalf of William.
Core new feature
* Device label support. A long requested feature no one got around to
implementing before. Allows DT based provision of a 'label' that
identifies a device uniquely within a system. This differs from existing
'name' which is meant to be the part number.
New device support
* ingenic-adc
- Support for the JZ4770 SoC ADC including bindings.
* inv_mpu6050
- Add support for magnetometer in MPU925x parts.
Fiddly to do as this is actually a separate device sitting inside the
package, but with the master device being able to schedule reads etc.
Will only run if the auxiliary bus is not in use for any other devices.
Features
* ad7192
- Userspace calibration controls to do zero and full scale.
* st_lsm6dsx
- Enable latched interrupts by default for sensors events with related clear.
- Motion events and related wakeup source. This needed quite a bit of
refactoring as well.
Cleanups and minor features
* ad7192
- sysfs ABI docs
* ad7949
- Remove code to readback configuration word as driver never actually enabled
it.
- Fix incorrect xfer length. Not actually known to cause problems other
than wasted bus usage.
* adis16080
- Replace core mlock usage with local lock with more appropriate scope.
* adis16130
- Remove pointless mlock usage.
* adis16240
- Remove include of gpio.h as no gpio usage.
* atlas-ph-sensor
- Improve logical ordering of buffer predisable / postenable functions.
This is part of a longer term rework Alexandru is driving towards.
* bh1750
- Fix up a static compiler warning and make the code more readable.
- yaml conversion of binding + MAINTAINERS entry.
* bmp280
- Drop a stray newline.
* cm36651
- Drop a redundant assignment
* itg3200
- Alignment cleanup.
* max31856
- Add missing of_node and parent references, useful to identify the device.
* sc27xx_adc
- Use devm_hwspin_lock_request_specific rather than local rolled version.
* stm32-lptimer counter
- kernel-doc warning.
* stm32-timer counter
- kernel-doc warning.
- Alignment cleanup.
* sx9500
- Improve logical ordering of buffer predisable / postenable functions.
This is part of a longer term rework Alexandru is driving towards.
* tcs3414
- Improve logical ordering of buffer predisable / postenable functions.
This is part of a longer term rework Alexandru is driving towards.
* tag 'iio-for-5.5a-take3' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (41 commits)
iio: pressure: bmp280: remove stray newline
iio: adc: sc27xx: Use devm_hwspin_lock_request_specific() to simplify code
iio: chemical: atlas-ph-sensor: fix iio_triggered_buffer_predisable() position
iio: gyro: clean up indentation issue
counter: stm32: clean up indentation issue
iio: proximity: sx9500: fix iio_triggered_buffer_{predisable,postenable} positions
iio: core: Add optional symbolic label to device attributes
dt-binding: iio: Add optional label property
iio: gyro: adis16080: replace mlock with own lock
counter: stm32-lptimer-cnt: fix a kernel-doc warning
counter: stm32-timer-cnt: fix a kernel-doc warning
iio: gyro: adis16130: remove mlock usage
MAINTAINERS: add entry for ROHM BH1750 driver
dt-bindings: iio: light: bh1750: convert bindings to yaml
iio: imu: st_lsm6dsx: add motion report function and call from interrupt
iio: imu: st_lsm6dsx: always enter interrupt thread
iio: imu: st_lsm6dsx: add wakeup-source option
iio: imu: st_lsm6dsx: add motion events
iio: imu: st_lsm6dsx: move interrupt thread to core
iio: imu: inv_mpu6050: add fifo support for magnetometer data
...
|
||
|
Linus Torvalds
|
82c87e7d40 |
TTY/Serial driver fixes for 5.4-rc3
Here are some small tty and serial driver fixes for 5.4-rc3 that resolve a number of reported issues and regressions. None of these are huge, full details are in the shortlog. THere's also a MAINTAINERS update that I think you might have already taken in your tree already, but git should handle that merge easily. All have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXaH51A8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykeBQCeMWoqZHpHTXiadziVgtHrjnj5lL8An2Y+3/Wh ZbNxvHnUK/VUJQJ2Szsm =e84r -----END PGP SIGNATURE----- Merge tag 'tty-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver fixes from Greg KH: "Here are some small tty and serial driver fixes for 5.4-rc3 that resolve a number of reported issues and regressions. None of these are huge, full details are in the shortlog. There's also a MAINTAINERS update that I think you might have already taken in your tree already, but git should handle that merge easily. All have been in linux-next with no reported issues" * tag 'tty-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: MAINTAINERS: kgdb: Add myself as a reviewer for kgdb/kdb tty: serial: imx: Use platform_get_irq_optional() for optional IRQs serial: fix kernel-doc warning in comments serial: 8250_omap: Fix gpio check for auto RTS/CTS serial: mctrl_gpio: Check for NULL pointer tty: serial: fsl_lpuart: Fix lpuart_flush_buffer() tty: serial: Fix PORT_LINFLEXUART definition tty: n_hdlc: fix build on SPARC serial: uartps: Fix uartps_major handling serial: uartlite: fix exit path null pointer tty: serial: linflexuart: Fix magic SysRq handling serial: sh-sci: Use platform_get_irq_optional() for optional interrupts dt-bindings: serial: sh-sci: Document r8a774b1 bindings serial/sifive: select SERIAL_EARLYCON tty: serial: rda: Fix the link time qualifier of 'rda_uart_exit()' tty: serial: owl: Fix the link time qualifier of 'owl_uart_exit()' |
||
|
Linus Torvalds
|
6c90bbd0a4 |
USB fixes for 5.4-rc3
Here are a lot of small USB driver fixes for 5.4-rc3. syzbot has stepped up its testing of the USB driver stack, now able to trigger fun race conditions between disconnect and probe functions. Because of that we have a lot of fixes in here from Johan and others fixing these reported issues that have been around since almost all time. We also are just deleting the rio500 driver, making all of the syzbot bugs found in it moot as it turns out no one has been using it for years as there is a userspace version that is being used instead. There are also a number of other small fixes in here, all resolving reported issues or regressions. All have been in linux-next without any reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXaH78w8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yk7mACgygFyLQ6GRUTTnGDcohZu44cuMO4AnR/MTrRq /jiXPRUMsltMV7DHcq+S =QX4p -----END PGP SIGNATURE----- Merge tag 'usb-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are a lot of small USB driver fixes for 5.4-rc3. syzbot has stepped up its testing of the USB driver stack, now able to trigger fun race conditions between disconnect and probe functions. Because of that we have a lot of fixes in here from Johan and others fixing these reported issues that have been around since almost all time. We also are just deleting the rio500 driver, making all of the syzbot bugs found in it moot as it turns out no one has been using it for years as there is a userspace version that is being used instead. There are also a number of other small fixes in here, all resolving reported issues or regressions. All have been in linux-next without any reported issues" * tag 'usb-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (65 commits) USB: yurex: fix NULL-derefs on disconnect USB: iowarrior: use pr_err() USB: iowarrior: drop redundant iowarrior mutex USB: iowarrior: drop redundant disconnect mutex USB: iowarrior: fix use-after-free after driver unbind USB: iowarrior: fix use-after-free on release USB: iowarrior: fix use-after-free on disconnect USB: chaoskey: fix use-after-free on release USB: adutux: fix use-after-free on release USB: ldusb: fix NULL-derefs on driver unbind USB: legousbtower: fix use-after-free on release usb: cdns3: Fix for incorrect DMA mask. usb: cdns3: fix cdns3_core_init_role() usb: cdns3: gadget: Fix full-speed mode USB: usb-skeleton: drop redundant in-urb check USB: usb-skeleton: fix use-after-free after driver unbind USB: usb-skeleton: fix NULL-deref on disconnect usb:cdns3: Fix for CV CH9 running with g_zero driver. usb: dwc3: Remove dev_err() on platform_get_irq() failure usb: dwc3: Switch to platform_get_irq_byname_optional() ... |
||
|
Linus Torvalds
|
680b5b3c5d |
xen: fixes for 5.4-rc3
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCXaGvDgAKCRCAXGG7T9hj vjeDAPoDg9Gn0zDiej0jWWX6ZFXPQDdzWwhK9iEuwH9U7+GgOQEA6BeTPSIxvXUm gicOPWs6QGGQ0m3CGN2UGKc74pFh9ww= =wcya -----END PGP SIGNATURE----- Merge tag 'for-linus-5.4-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: - correct panic handling when running as a Xen guest - cleanup the Xen grant driver to remove printing a pointer being always NULL - remove a soon to be wrong call of of_dma_configure() * tag 'for-linus-5.4-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: Stop abusing DT of_dma_configure API xen/grant-table: remove unnecessary printing x86/xen: Return from panic notifier |
||
|
Linus Torvalds
|
c6f6ebd77c |
Modules fixes for v5.4-rc3
- Fix broken external module builds due to a modpost bug in read_dump(),
where the namespace was not being strdup'd and sym->namespace would be
set to bogus data.
- Various namespace-related kbuild fixes and cleanups thanks to
Masahiro Yamada.
Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull module fixes from Jessica Yu:
"Code cleanups and kbuild/namespace related fixups from Masahiro.
Most importantly, it fixes a namespace-related modpost issue for
external module builds
- Fix broken external module builds due to a modpost bug in
read_dump(), where the namespace was not being strdup'd and
sym->namespace would be set to bogus data.
- Various namespace-related kbuild fixes and cleanups thanks to
Masahiro Yamada"
* tag 'modules-for-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
doc: move namespaces.rst from kbuild/ to core-api/
nsdeps: make generated patches independent of locale
nsdeps: fix hashbang of scripts/nsdeps
kbuild: fix build error of 'make nsdeps' in clean tree
module: rename __kstrtab_ns_* to __kstrtabns_* to avoid symbol conflict
modpost: fix broken sym->namespace for external module builds
module: swap the order of symbol.namespace
scripts: add_namespace: Fix coccicheck failed
|
||
Joe Perches
|
b9918bdcac |
Documentation/process: Add fallthrough pseudo-keyword
Describe the fallthrough pseudo-keyword.
Convert the coding-style.rst example to the keyword style.
Add description and links to deprecated.rst.
Miguel Ojeda comments on the eventual [[fallthrough]] syntax:
"Note that C17/C18 does not have [[fallthrough]].
C++17 introduced it, as it is mentioned above. I would keep the
__attribute__((fallthrough)) -> [[fallthrough]] change you did,
though, since that is indeed the standard syntax (given the paragraph
references C++17).
I was told by Aaron Ballman (who is proposing them for C) that it is
more or less likely that it becomes standardized in C2x. However, it
is still not added to the draft (other attributes are already,
though). See N2268 and N2269:
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2268.pdf (fallthrough)
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2269.pdf (attributes in general)"
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
Jacob Keller
|
2168da4594 |
net: update net_dim documentation after rename
Commit |
||
|
Linus Torvalds
|
e60329c97b |
arm64 fixes for -rc3
- Numerous fixes to the compat vDSO build system, especially when combining gcc and clang - Fix parsing of PAR_EL1 in spurious kernel fault detection - Partial workaround for Neoverse-N1 erratum #1542419 - Fix IRQ priority masking on entry from compat syscalls - Fix advertisment of FRINT HWCAP to userspace - Attempt to workaround inlining breakage with '__always_inline' - Fix accidental freeing of parent SVE state on fork() error path - Add some missing NULL pointer checks in instruction emulation init - Some formatting and comment fixes -----BEGIN PGP SIGNATURE----- iQFEBAABCgAuFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAl2dv4cQHHdpbGxAa2Vy bmVsLm9yZwAKCRC3rHDchMFjNO6UB/4yY3lYR6C++7EdVwYxQRXf8VX9ukeO76gp P/AS6Kt8+AiOuhFJJXDj3D7K/KqgZnJEhzeWHTZluYpIBuzFerW+RxzmExL+wFWf ISZgdh7roFCQx3Nt+iBs/bAMPvk5Da1KHvSw/yZ6P8mj6fK8sVUh/O8+KK4kSzfT muDoSO6WHSonAEOYm9ryn1q1pM5DsCjr+9fm7d9L+dJAUP2xX44ymlIY+v6yD3Or IWJMYaWKb4TbdTJSy2VbUSM0fzByGBJCx1wOTd4gV6uDbB4GA6h+E/DMB1qnvv9W nH5c4qwVgYhp7prpescMxYZoV/I9damvfnaIjqh9jc3H3milEqcn =GwLJ -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "A larger-than-usual batch of arm64 fixes for -rc3. The bulk of the fixes are dealing with a bunch of issues with the build system from the compat vDSO, which unfortunately led to some significant Makefile rework to manage the horrible combinations of toolchains that we can end up needing to drive simultaneously. We came close to disabling the thing entirely, but Vincenzo was quick to spin up some patches and I ended up picking up most of the bits that were left [*]. Future work will look at disentangling the header files properly. Other than that, we have some important fixes all over, including one papering over the miscompilation fallout from forcing CONFIG_OPTIMIZE_INLINING=y, which I'm still unhappy about. Harumph. We've still got a couple of open issues, so I'm expecting to have some more fixes later this cycle. Summary: - Numerous fixes to the compat vDSO build system, especially when combining gcc and clang - Fix parsing of PAR_EL1 in spurious kernel fault detection - Partial workaround for Neoverse-N1 erratum #1542419 - Fix IRQ priority masking on entry from compat syscalls - Fix advertisment of FRINT HWCAP to userspace - Attempt to workaround inlining breakage with '__always_inline' - Fix accidental freeing of parent SVE state on fork() error path - Add some missing NULL pointer checks in instruction emulation init - Some formatting and comment fixes" [*] Will's final fixes were Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com> but they were already in linux-next by then and he didn't rebase just to add those. * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (21 commits) arm64: armv8_deprecated: Checking return value for memory allocation arm64: Kconfig: Make CONFIG_COMPAT_VDSO a proper Kconfig option arm64: vdso32: Rename COMPATCC to CC_COMPAT arm64: vdso32: Pass '--target' option to clang via VDSO_CAFLAGS arm64: vdso32: Don't use KBUILD_CPPFLAGS unconditionally arm64: vdso32: Move definition of COMPATCC into vdso32/Makefile arm64: Default to building compat vDSO with clang when CONFIG_CC_IS_CLANG lib: vdso: Remove CROSS_COMPILE_COMPAT_VDSO arm64: vdso32: Remove jump label config option in Makefile arm64: vdso32: Detect binutils support for dmb ishld arm64: vdso: Remove stale files from old assembly implementation arm64: vdso32: Fix broken compat vDSO build warnings arm64: mm: fix spurious fault detection arm64: ftrace: Ensure synchronisation in PLT setup for Neoverse-N1 #1542419 arm64: Fix incorrect irqflag restore for priority masking for compat arm64: mm: avoid virt_to_phys(init_mm.pgd) arm64: cpufeature: Effectively expose FRINT capability to userspace arm64: Mark functions using explicit register variables as '__always_inline' docs: arm64: Fix indentation and doc formatting arm64/sve: Fix wrong free for task->thread.sve_state ... |
||
Randy Dunlap
|
b82316d255 |
Doc: networking/device_drivers/pensando: fix ionic.rst warnings
Fix documentation build warnings for Pensando ionic:
Documentation/networking/device_drivers/pensando/ionic.rst:39: WARNING: Unexpected indentation.
Documentation/networking/device_drivers/pensando/ionic.rst:43: WARNING: Unexpected indentation.
Fixes:
|
||
|
Linus Torvalds
|
f54e66ae77 |
linux-kselftest-5.4-rc3
This Kselftest update for Linux 5.4-rc3 consists fixes for existing tests and the framework. Cristian Marussi's patches add ability to skip targets (tests) and exclude tests that didn't build from run-list. These patches improve the Kselftest results. Ability to skip targets helps avoid running tests that aren't supported in certain environments. As an example, bpf tests from mainline aren't supported on stable kernels and have dependency on bleeding edge llvm. Being able to skip bpf on systems that can't meet this llvm dependency will be helpful. Kselftest can be built and installed from the main Makefile. This change help simplify Kselftest use-cases which addresses request from users. Kees Cook added per test timeout support to limit individual test run-time. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAl2bntwACgkQCwJExA0N QxznkA//cY2Y3UGMoUx08qnLc97cQb95OXodE3m3fcfyH/NoY6R/RAMx+2NSYhLO kbmpmo+6S94bgekGBzdnki/OzCoVR0d1dkxPImcxXl1zf/fs7eMgZ77Br1nQWfPP 2WfFv7xNYnuws1Ybnz83eN+6ZQ+/AjEbHcqcufWDj/D2AQDTxF/2PXHeD42azJgG 11EAxhCEbSb8x0ZDAeHTELvZ0gIfdWYNmOXFUHgJSW4nVYYhFNcvbq2nukmugkub MMWBcM6B354bAx8EoMSnBQ/1WWYszs0SqkbVce3iDh8z9R/sLFmUthljK9LR0EpW okfJVHF0jGSWdwnruyES8Mp7/65RBu6bkVnbdFcYW1nIw4erfzYacUBXK8WZe88g p5lkY1OlDbPrUcjIN1VpVw4FZt1fktXAwbTIn+xOUI9R5njv94tFNUDaQm3epKwC fKB1jXv8jAZ8Ho2uw4ikLW8mie9Kd9c/8PK8JoEtgXCtAxOv9/wUb6whHPvUOYeu B2G5ITyTJF3yYrTaPliHqb2C5cCVN0XcF5VLKQRR+RpQn4///9duQQcEEOJsKHOC q3SMjjhXRJfgYDLcpIRDn6uqaDwC+giWOaMq6f/QHpmsWL0eT7DJ+8lLCgpV3Bm2 JytbiXpeUigRZCdH0xs+wp23xPRAtKlf7DlGQhOb/v9v4rp/8MY= =vdrT -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest fixes from Shuah Khan: "Fixes for existing tests and the framework. Cristian Marussi's patches add the ability to skip targets (tests) and exclude tests that didn't build from run-list. These patches improve the Kselftest results. Ability to skip targets helps avoid running tests that aren't supported in certain environments. As an example, bpf tests from mainline aren't supported on stable kernels and have dependency on bleeding edge llvm. Being able to skip bpf on systems that can't meet this llvm dependency will be helpful. Kselftest can be built and installed from the main Makefile. This change help simplify Kselftest use-cases which addresses request from users. Kees Cook added per test timeout support to limit individual test run-time" * tag 'linux-kselftest-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests: watchdog: Add command line option to show watchdog_info selftests: watchdog: Validate optional file argument selftests/kselftest/runner.sh: Add 45 second timeout per test kselftest: exclude failed TARGETS from runlist kselftest: add capability to skip chosen TARGETS selftests: Add kselftest-all and kselftest-install targets |
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Masahiro Yamada
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fcfacb9f83 |
doc: move namespaces.rst from kbuild/ to core-api/
We discussed a better location for this file, and agreed that core-api/ is a good fit. Rename it to symbol-namespaces.rst for disambiguation, and also add it to index.rst and MAINTAINERS. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Matthias Maennich <maennich@google.com> Signed-off-by: Jessica Yu <jeyu@kernel.org> |
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Marc Zyngier
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603afdc943 |
arm64: Allow CAVIUM_TX2_ERRATUM_219 to be selected
Allow the user to select the workaround for TX2-219, and update the silicon-errata.rst file to reflect this. Cc: <stable@vger.kernel.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will@kernel.org> |
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Linus Torvalds
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eda57a0e42 |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"The usual shower of hotfixes.
Chris's memcg patches aren't actually fixes - they're mature but a few
niggling review issues were late to arrive.
The ocfs2 fixes are quite old - those took some time to get reviewer
attention.
Subsystems affected by this patch series: ocfs2, hotfixes, mm/memcg,
mm/slab-generic"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm, sl[aou]b: guarantee natural alignment for kmalloc(power-of-two)
mm, sl[ou]b: improve memory accounting
mm, memcg: make scan aggression always exclude protection
mm, memcg: make memory.emin the baseline for utilisation determination
mm, memcg: proportional memory.{low,min} reclaim
mm/vmpressure.c: fix a signedness bug in vmpressure_register_event()
mm/page_alloc.c: fix a crash in free_pages_prepare()
mm/z3fold.c: claim page in the beginning of free
kernel/sysctl.c: do not override max_threads provided by userspace
memcg: only record foreign writebacks with dirty pages when memcg is not disabled
mm: fix -Wmissing-prototypes warnings
writeback: fix use-after-free in finish_writeback_work()
mm/memremap: drop unused SECTION_SIZE and SECTION_MASK
panic: ensure preemption is disabled during panic()
fs: ocfs2: fix a possible null-pointer dereference in ocfs2_info_scan_inode_alloc()
fs: ocfs2: fix a possible null-pointer dereference in ocfs2_write_end_nolock()
fs: ocfs2: fix possible null-pointer dereferences in ocfs2_xa_prepare_entry()
ocfs2: clear zero in unaligned direct IO
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Vlastimil Babka
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59bb47985c |
mm, sl[aou]b: guarantee natural alignment for kmalloc(power-of-two)
In most configurations, kmalloc() happens to return naturally aligned (i.e. aligned to the block size itself) blocks for power of two sizes. That means some kmalloc() users might unknowingly rely on that alignment, until stuff breaks when the kernel is built with e.g. CONFIG_SLUB_DEBUG or CONFIG_SLOB, and blocks stop being aligned. Then developers have to devise workaround such as own kmem caches with specified alignment [1], which is not always practical, as recently evidenced in [2]. The topic has been discussed at LSF/MM 2019 [3]. Adding a 'kmalloc_aligned()' variant would not help with code unknowingly relying on the implicit alignment. For slab implementations it would either require creating more kmalloc caches, or allocate a larger size and only give back part of it. That would be wasteful, especially with a generic alignment parameter (in contrast with a fixed alignment to size). Ideally we should provide to mm users what they need without difficult workarounds or own reimplementations, so let's make the kmalloc() alignment to size explicitly guaranteed for power-of-two sizes under all configurations. What this means for the three available allocators? * SLAB object layout happens to be mostly unchanged by the patch. The implicitly provided alignment could be compromised with CONFIG_DEBUG_SLAB due to redzoning, however SLAB disables redzoning for caches with alignment larger than unsigned long long. Practically on at least x86 this includes kmalloc caches as they use cache line alignment, which is larger than that. Still, this patch ensures alignment on all arches and cache sizes. * SLUB layout is also unchanged unless redzoning is enabled through CONFIG_SLUB_DEBUG and boot parameter for the particular kmalloc cache. With this patch, explicit alignment is guaranteed with redzoning as well. This will result in more memory being wasted, but that should be acceptable in a debugging scenario. * SLOB has no implicit alignment so this patch adds it explicitly for kmalloc(). The potential downside is increased fragmentation. While pathological allocation scenarios are certainly possible, in my testing, after booting a x86_64 kernel+userspace with virtme, around 16MB memory was consumed by slab pages both before and after the patch, with difference in the noise. [1] https://lore.kernel.org/linux-btrfs/c3157c8e8e0e7588312b40c853f65c02fe6c957a.1566399731.git.christophe.leroy@c-s.fr/ [2] https://lore.kernel.org/linux-fsdevel/20190225040904.5557-1-ming.lei@redhat.com/ [3] https://lwn.net/Articles/787740/ [akpm@linux-foundation.org: documentation fixlet, per Matthew] Link: http://lkml.kernel.org/r/20190826111627.7505-3-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Christoph Hellwig <hch@lst.de> Cc: David Sterba <dsterba@suse.cz> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Ming Lei <ming.lei@redhat.com> Cc: Dave Chinner <david@fromorbit.com> Cc: "Darrick J . Wong" <darrick.wong@oracle.com> Cc: Christoph Hellwig <hch@lst.de> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Chris Down
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9783aa9917 |
mm, memcg: proportional memory.{low,min} reclaim
cgroup v2 introduces two memory protection thresholds: memory.low (best-effort) and memory.min (hard protection). While they generally do what they say on the tin, there is a limitation in their implementation that makes them difficult to use effectively: that cliff behaviour often manifests when they become eligible for reclaim. This patch implements more intuitive and usable behaviour, where we gradually mount more reclaim pressure as cgroups further and further exceed their protection thresholds. This cliff edge behaviour happens because we only choose whether or not to reclaim based on whether the memcg is within its protection limits (see the use of mem_cgroup_protected in shrink_node), but we don't vary our reclaim behaviour based on this information. Imagine the following timeline, with the numbers the lruvec size in this zone: 1. memory.low=1000000, memory.current=999999. 0 pages may be scanned. 2. memory.low=1000000, memory.current=1000000. 0 pages may be scanned. 3. memory.low=1000000, memory.current=1000001. 1000001* pages may be scanned. (?!) * Of course, we won't usually scan all available pages in the zone even without this patch because of scan control priority, over-reclaim protection, etc. However, as shown by the tests at the end, these techniques don't sufficiently throttle such an extreme change in input, so cliff-like behaviour isn't really averted by their existence alone. Here's an example of how this plays out in practice. At Facebook, we are trying to protect various workloads from "system" software, like configuration management tools, metric collectors, etc (see this[0] case study). In order to find a suitable memory.low value, we start by determining the expected memory range within which the workload will be comfortable operating. This isn't an exact science -- memory usage deemed "comfortable" will vary over time due to user behaviour, differences in composition of work, etc, etc. As such we need to ballpark memory.low, but doing this is currently problematic: 1. If we end up setting it too low for the workload, it won't have *any* effect (see discussion above). The group will receive the full weight of reclaim and won't have any priority while competing with the less important system software, as if we had no memory.low configured at all. 2. Because of this behaviour, we end up erring on the side of setting it too high, such that the comfort range is reliably covered. However, protected memory is completely unavailable to the rest of the system, so we might cause undue memory and IO pressure there when we *know* we have some elasticity in the workload. 3. Even if we get the value totally right, smack in the middle of the comfort zone, we get extreme jumps between no pressure and full pressure that cause unpredictable pressure spikes in the workload due to the current binary reclaim behaviour. With this patch, we can set it to our ballpark estimation without too much worry. Any undesirable behaviour, such as too much or too little reclaim pressure on the workload or system will be proportional to how far our estimation is off. This means we can set memory.low much more conservatively and thus waste less resources *without* the risk of the workload falling off a cliff if we overshoot. As a more abstract technical description, this unintuitive behaviour results in having to give high-priority workloads a large protection buffer on top of their expected usage to function reliably, as otherwise we have abrupt periods of dramatically increased memory pressure which hamper performance. Having to set these thresholds so high wastes resources and generally works against the principle of work conservation. In addition, having proportional memory reclaim behaviour has other benefits. Most notably, before this patch it's basically mandatory to set memory.low to a higher than desirable value because otherwise as soon as you exceed memory.low, all protection is lost, and all pages are eligible to scan again. By contrast, having a gradual ramp in reclaim pressure means that you now still get some protection when thresholds are exceeded, which means that one can now be more comfortable setting memory.low to lower values without worrying that all protection will be lost. This is important because workingset size is really hard to know exactly, especially with variable workloads, so at least getting *some* protection if your workingset size grows larger than you expect increases user confidence in setting memory.low without a huge buffer on top being needed. Thanks a lot to Johannes Weiner and Tejun Heo for their advice and assistance in thinking about how to make this work better. In testing these changes, I intended to verify that: 1. Changes in page scanning become gradual and proportional instead of binary. To test this, I experimented stepping further and further down memory.low protection on a workload that floats around 19G workingset when under memory.low protection, watching page scan rates for the workload cgroup: +------------+-----------------+--------------------+--------------+ | memory.low | test (pgscan/s) | control (pgscan/s) | % of control | +------------+-----------------+--------------------+--------------+ | 21G | 0 | 0 | N/A | | 17G | 867 | 3799 | 23% | | 12G | 1203 | 3543 | 34% | | 8G | 2534 | 3979 | 64% | | 4G | 3980 | 4147 | 96% | | 0 | 3799 | 3980 | 95% | +------------+-----------------+--------------------+--------------+ As you can see, the test kernel (with a kernel containing this patch) ramps up page scanning significantly more gradually than the control kernel (without this patch). 2. More gradual ramp up in reclaim aggression doesn't result in premature OOMs. To test this, I wrote a script that slowly increments the number of pages held by stress(1)'s --vm-keep mode until a production system entered severe overall memory contention. This script runs in a highly protected slice taking up the majority of available system memory. Watching vmstat revealed that page scanning continued essentially nominally between test and control, without causing forward reclaim progress to become arrested. [0]: https://facebookmicrosites.github.io/cgroup2/docs/overview.html#case-study-the-fbtax2-project [akpm@linux-foundation.org: reflow block comments to fit in 80 cols] [chris@chrisdown.name: handle cgroup_disable=memory when getting memcg protection] Link: http://lkml.kernel.org/r/20190201045711.GA18302@chrisdown.name Link: http://lkml.kernel.org/r/20190124014455.GA6396@chrisdown.name Signed-off-by: Chris Down <chris@chrisdown.name> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Roman Gushchin <guro@fb.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: Dennis Zhou <dennis@kernel.org> Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Boris Ostrovsky
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c6875f3aac |
x86/xen: Return from panic notifier
Currently execution of panic() continues until Xen's panic notifier (xen_panic_event()) is called at which point we make a hypercall that never returns. This means that any notifier that is supposed to be called later as well as significant part of panic() code (such as pstore writes from kmsg_dump()) is never executed. There is no reason for xen_panic_event() to be this last point in execution since panic()'s emergency_restart() will call into xen_emergency_restart() from where we can perform our hypercall. Nevertheless, we will provide xen_legacy_crash boot option that will preserve original behavior during crash. This option could be used, for example, if running kernel dumper (which happens after panic notifiers) is undesirable. Reported-by: James Dingwall <james@dingwall.me.uk> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Reviewed-by: Juergen Gross <jgross@suse.com> |
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Adam Zerella
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11c943a1a6 |
hwmon: docs: Extend inspur-ipsps1 title underline
Sphinx is generating a build warning as the title underline of this file is too short. Signed-off-by: Adam Zerella <adam.zerella@gmail.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net> |
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Maxime Ripard
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90b32268e1
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dt-bindings: media: sun4i-csi: Drop the module clock
It turns out that what was thought to be the module clock was actually the
clock meant to be used by the sensor, and isn't playing any role with the
CSI controller itself. Let's drop that clock from our binding.
Fixes:
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