- DT bindings for Melfas MIP4 touchscreen controller and TWL4030 keypad
have been converted to the DT schema
- simple touch controller bindings have been consolidated to
trivial-touch.yaml DT schema
- memory allocation failure noise was removed from qnap-mcu-input and
zforce_ts dirvers
- ti_am335x_tsc driver was hardened to handle invalid (too large) number
of coordinates specified in device tree
- a cleanup in Cypress cyttsp5 driver to use %pe to print error code.
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Merge tag 'input-for-v6.19-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- DT bindings for Melfas MIP4 touchscreen controller and TWL4030 keypad
have been converted to the DT schema
- simple touch controller bindings have been consolidated to
trivial-touch.yaml DT schema
- memory allocation failure noise was removed from qnap-mcu-input and
zforce_ts dirvers
- ti_am335x_tsc driver was hardened to handle invalid (too large)
number of coordinates specified in device tree
- a cleanup in Cypress cyttsp5 driver to use %pe to print error code
* tag 'input-for-v6.19-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ti_am335x_tsc - clamp coordinate_readouts to DT maximum (6)
dt-bindings: touchscreen: consolidate simple touch controller to trivial-touch.yaml
dt-bindings: touchscreen: trivial-touch: add reset-gpios and wakeup-source
dt-bindings: input: ti,twl4030-keypad: convert to DT schema
Input: zforce_ts - omit error message when memory allocation fails
Input: qnap-mcu-input - omit error message when memory allocation fails
dt-bindings: input: Convert MELFAS MIP4 Touchscreen to DT schema
dt-bindings: touchscreen: move ar1021.txt to trivial-touch.yaml
dt-bindings: touchscreen: rename maxim,max11801.yaml to trivial-touch.yaml
Input: cyttsp5 - use %pe format specifier
This is a relatively busy release for the regulator API, as well as a
good collection of new drivers we've got a little bit of core work and a
bunch of cleanup throughout the subsystem:
- Support for propagating undervoltage events to child regulators.
- Undo enables done on supplies when setting enabling regulators via
constraints fails.
- Pull in some gpiolib changes adding support for shared GPIOs to
the gpiolib core, using them to replace the open coded variant of this
that we've had in the regulator API for a long time.
- Support for Fitipower FP9931 and JD9330, Mediatek MT6316, MT6363 and
MT6373, NXP PF1550 and Qualcomm PMH01XX and PMCX0102
The PF1550 support was originally going to go via the MFD tree but
Krzysztof's cleanup work overlapped with it so I pulled in Lee's signed
tag with support for the device.
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Merge tag 'regulator-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This is a relatively busy release for the regulator API, as well as a
good collection of new drivers we've got a little bit of core work and
a bunch of cleanup throughout the subsystem:
- Support for propagating undervoltage events to child regulators
- Undo enables done on supplies when setting enabling regulators via
constraints fails
- Pull in some gpiolib changes adding support for shared GPIOs to the
gpiolib core, using them to replace the open coded variant of this
that we've had in the regulator API for a long time
- Support for Fitipower FP9931 and JD9330, Mediatek MT6316, MT6363
and MT6373, NXP PF1550 and Qualcomm PMH01XX and PMCX0102
The PF1550 support was originally going to go via the MFD tree but
Krzysztof's cleanup work overlapped with it so I pulled in Lee's
signed tag with support for the device"
* tag 'regulator-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (50 commits)
regulator: fp9931: Fix spelling mistake "failid" -> "failed"
regulator: core: Protect regulator_supply_alias_list with regulator_list_mutex
regulator: pf9453: Constify pointers to 'regulator_desc' wrap struct
regulator: pca9450: Constify pointers to 'regulator_desc' wrap struct
regulator: mt6358: Constify pointers to 'regulator_desc' wrap struct
regulator: bd96801: Constify pointers to 'regulator_desc' wrap struct
regulator: bd718x7: Constify pointers to 'regulator_desc' wrap struct
regulator: bd71828: Constify pointers to 'regulator_desc' wrap struct
regulator: bd71815: Constify pointers to 'regulator_desc' wrap struct
regulator: Use container_of_const() when all types are const
regulator: pca9450: Fix error code in probe()
regulator: qcomm-labibb: replace use of system_wq with system_dfl_wq
regulator: Add FP9931/JD9930 driver
dt-bindings: regulator: Add Fitipower FP9931/JD9930
dt-bindings: vendor-prefixes: Add Fitipower
regulator: make the subsystem aware of shared GPIOs
regulator: renesas-usb-vbus-regulator: Remove unused headers
regulator: pca9450: Add support for setting debounce settings
regulator: dt-bindings: pca9540: add debounce timer configuration
regulator: core: disable supply if enabling main regulator fails
...
Merge series from Johan Hovold <johan@kernel.org>:
This series fixes device and OF node reference leaks during probe and
a clock prepare imbalance on probe failures.
Included is a related cleanup of an error path.
DT binding (ti,am3359-tsc.yaml) sets ti,coordinate-readouts to a
maximum of 6. The MFD parent also enforces that
(readouts * 2 + 2) + adc_channels <= 16 and fails probe if this
is violated, so the touchscreen subdriver will not even probe
in those cases.
Clamp coordinate_readouts > 6 to 6 in the subdriver to align with the
binding and keep behavior sane if invalid platform data bypasses schema
checks. Keep the existing default to 5 for non-positive values.
No functional change with valid DT.
Signed-off-by: Junjie Cao <junjie.cao@intel.com>
Link: https://patch.msgid.link/20251117032358.891822-1-junjie.cao@intel.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge tag 'v6.18-rc6' into for-linus
Sync up with the mainline to bring in definition of
INPUT_PROP_HAPTIC_TOUCHPAD.
If cros_ec_keyb_register_matrix() isn't called (due to
`buttons_switches_only`) in cros_ec_keyb_probe(), `ckdev->idev` remains
NULL. An invalid memory access is observed in cros_ec_keyb_process()
when receiving an EC_MKBP_EVENT_KEY_MATRIX event in cros_ec_keyb_work()
in such case.
Unable to handle kernel read from unreadable memory at virtual address 0000000000000028
...
x3 : 0000000000000000 x2 : 0000000000000000
x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
input_event
cros_ec_keyb_work
blocking_notifier_call_chain
ec_irq_thread
It's still unknown about why the kernel receives such malformed event,
in any cases, the kernel shouldn't access `ckdev->idev` and friends if
the driver doesn't intend to initialize them.
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://patch.msgid.link/20251104070310.3212712-1-tzungbi@kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This is supposed to be "priv" but we accidentally pass "&priv" which is
an address in the stack and so it will lead to memory corruption when
the imx_sc_key_action() function is called. Remove the &.
Fixes: 768062fd12 ("Input: imx_sc_key - use devm_add_action_or_reset() to handle all cleanups")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/aQYKR75r2VMFJutT@stanley.mountain
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add support for the onkey of the pf1550 PMIC.
Signed-off-by: Samuel Kayode <samuel.kayode@savoirfairelinux.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Link: https://patch.msgid.link/20251001-pf1550-v12-4-a3302aa41687@savoirfairelinux.com
Signed-off-by: Lee Jones <lee@kernel.org>
The dev_err_probe() doesn't do anything when error is '-ENOMEM'.
Therefore, remove the useless call to dev_err_probe(), and just
return the value instead.
Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Link: https://patch.msgid.link/20250822034751.244248-3-zhao.xichao@vivo.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The dev_err_probe() doesn't do anything when error is '-ENOMEM'.
Therefore, remove the useless call to dev_err_probe(), and just
return the value instead.
Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Link: https://patch.msgid.link/20250822034751.244248-2-zhao.xichao@vivo.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
In the pegasus_notetaker driver, the pegasus_probe() function allocates
the URB transfer buffer using the wMaxPacketSize value from
the endpoint descriptor. An attacker can use a malicious USB descriptor
to force the allocation of a very small buffer.
Subsequently, if the device sends an interrupt packet with a specific
pattern (e.g., where the first byte is 0x80 or 0x42),
the pegasus_parse_packet() function parses the packet without checking
the allocated buffer size. This leads to an out-of-bounds memory access.
Fixes: 1afca2b66a ("Input: add Pegasus Notetaker tablet driver")
Signed-off-by: Seungjin Bae <eeodqql09@gmail.com>
Link: https://lore.kernel.org/r/20251007214131.3737115-2-eeodqql09@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The %pe format specifier is designed to print error pointers. It prints
a symbolic error name (eg. -EINVAL) and it makes the code simpler by
omitting PTR_ERR()
This patch fixes this cocci report:
./cyttsp5.c:927:3-10: WARNING: Consider using %pe to print PTR_ERR()
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Link: https://patch.msgid.link/20251013-ptr_err-v1-1-2c5efbd82952@chromium.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The reset line is being set to input on non-ACPI devices apparently to
save power. This isn't being done on ACPI devices as it's been found
that some ACPI devices don't have a pull-up resistor fitted. This can
also be the case for non-ACPI devices, resulting in:
[ 941.672207] Goodix-TS 1-0014: Error reading 10 bytes from 0x814e: -110
[ 942.696168] Goodix-TS 1-0014: Error reading 10 bytes from 0x814e: -110
[ 945.832208] Goodix-TS 1-0014: Error reading 10 bytes from 0x814e: -110
This behaviour appears to have been initialing introduced in
ec6e1b4082. This doesn't seem to be based on information in either the
GT911 or GT9271 datasheets cited as sources of information for this
change. Thus it seems likely that it is based on functionality in the
Android driver which it also lists. This behaviour may be viable in very
specific instances where the hardware is well known, but seems unwise in
the upstream kernel where such hardware requirements can't be
guaranteed.
Remove this over optimisation to improve reliability on non-ACPI
devices.
Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Reviewed-by: Hans de Goede <hansg@kernel.org>
Link: https://lore.kernel.org/r/20251009134138.686215-1-martyn.welch@collabora.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
- a number of conversions to yaml/json schema and fixes for
input-related device tree bindings
- a new driver for Awinic AW86927 haptic chip
- a new driver for Hynitron CST816x series controller
- a new driver for add Himax HX852x(ES) touchscreen controller
- a fix to uinput to not leak kernel memory via a gap in
uinput_ff_upload_compat structure
- a fix to prevent overflow in pressure calculation in tsc2007 driver
causing phantom touches
- a change to Atmel maxTouch driver to support generic touchscreen
configuration (flip, rotate, etc.)
- support for platform data was dropped in tca8418_keypad,
pxa27x-keypad, spear-keyboard and twl4030_keypad drivers, they all
now rely on generic device properties for configuration
- other assorted changes and fixes.
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Merge tag 'input-for-v6.18-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- Conversions to yaml/json schema and fixes for input-related device
tree bindings
- New drivers:
- Awinic AW86927 haptic chip
- Hynitron CST816x series controller
- Himax HX852x(ES) touchscreen controller
- Fix uinput to not leak kernel memory via a gap in
uinput_ff_upload_compat structure
- Prevent overflow in pressure calculation in tsc2007 driver causing
phantom touches
- Make the Atmel maxTouch driver support generic touchscreen
configuration (flip, rotate, etc)
- Drop support for platform data in tca8418_keypad, pxa27x-keypad,
spear-keyboard and twl4030_keypad drivers, they all now rely on
generic device properties for configuration
- Other assorted changes and fixes
* tag 'input-for-v6.18-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (50 commits)
Input: atmel_mxt_ts - allow reset GPIO to sleep
Input: aw86927 - fix error code in probe()
Input: psxpad-spi - add a check for the return value of spi_setup()
Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak
Input: aw86927 - add driver for Awinic AW86927
dt-bindings: input: Add Awinic AW86927
dt-bindings: touchscreen: remove touchscreen.txt
dt-bindings: arm: bcm: raspberrypi,bcm2835-firmware: Add touchscreen child node
dt-bindings: touchscreen: convert eeti bindings to json schema
Input: pm8941-pwrkey - disable wakeup for resin by default
dt-bindings: input: pm8941-pwrkey: Document wakeup-source property
Input: add driver for Hynitron CST816x series
dt-bindings: input: touchscreen: add hynitron cst816x series
Input: imx6ul_tsc - set glitch threshold by DTS property
dt-bindings: touchscreen: fsl,imx6ul-tsc: support glitch thresold
dt-bindings: touchscreen: add debounce-delay-us property
Input: ps2-gpio - fix typo
Input: atmel_mxt_ts - add support for generic touchscreen configurations
dt-bindings: input: maxtouch: add common touchscreen properties
dt-bindings: touchscreen: convert zet6223 bindings to json schema
...
The reset GPIO is not toggled in any critical section where it couldn't
sleep, allow the reset GPIO to sleep. This allows the driver to operate
reset GPIOs connected to I2C GPIO expanders.
Signed-off-by: Marek Vasut <marek.vasut@mailbox.org>
Link: https://lore.kernel.org/r/20251005023335.166483-1-marek.vasut@mailbox.org
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge tag 'hyperv-next-signed-20251006' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- Unify guest entry code for KVM and MSHV (Sean Christopherson)
- Switch Hyper-V MSI domain to use msi_create_parent_irq_domain()
(Nam Cao)
- Add CONFIG_HYPERV_VMBUS and limit the semantics of CONFIG_HYPERV
(Mukesh Rathor)
- Add kexec/kdump support on Azure CVMs (Vitaly Kuznetsov)
- Deprecate hyperv_fb in favor of Hyper-V DRM driver (Prasanna
Kumar T S M)
- Miscellaneous enhancements, fixes and cleanups (Abhishek Tiwari,
Alok Tiwari, Nuno Das Neves, Wei Liu, Roman Kisel, Michael Kelley)
* tag 'hyperv-next-signed-20251006' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
hyperv: Remove the spurious null directive line
MAINTAINERS: Mark hyperv_fb driver Obsolete
fbdev/hyperv_fb: deprecate this in favor of Hyper-V DRM driver
Drivers: hv: Make CONFIG_HYPERV bool
Drivers: hv: Add CONFIG_HYPERV_VMBUS option
Drivers: hv: vmbus: Fix typos in vmbus_drv.c
Drivers: hv: vmbus: Fix sysfs output format for ring buffer index
Drivers: hv: vmbus: Clean up sscanf format specifier in target_cpu_store()
x86/hyperv: Switch to msi_create_parent_irq_domain()
mshv: Use common "entry virt" APIs to do work in root before running guest
entry: Rename "kvm" entry code assets to "virt" to genericize APIs
entry/kvm: KVM: Move KVM details related to signal/-EINTR into KVM proper
mshv: Handle NEED_RESCHED_LAZY before transferring to guest
x86/hyperv: Add kexec/kdump support on Azure CVMs
Drivers: hv: Simplify data structures for VMBus channel close message
Drivers: hv: util: Cosmetic changes for hv_utils_transport.c
mshv: Add support for a new parent partition configuration
clocksource: hyper-v: Skip unnecessary checks for the root partition
hyperv: Add missing field to hv_output_map_device_interrupt
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Merge tag 'hid-for-linus-2025093001' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Benjamin Tissoires:
- haptic touchpad support (Angela Czubak and Jonathan Denose)
- support for audio jack handling on DualSense Playstation controllers
(Cristian Ciocaltea)
- allow HID-BPF to rebind a driver to hid-multitouch (Benjamin
Tissoires)
- rework hidraw ioctls to make them safer (and tested) (Benjamin
Tissoires)
- various PIDFF and universal-PIDFF fixes/improvements (Tomasz Pakuła)
- better configuration of Intel QuickI2C through ACPI (Xinpeng Sun)
- other assorted cleanups and fixes
* tag 'hid-for-linus-2025093001' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (58 commits)
HID: playstation: Switch to scoped_guard() in {dualsense|dualshock4}_output_worker()
HID: playstation: Silence sparse warnings for locking context imbalances
HID: playstation: Update SP preamp gain comment line
HID: intel-thc-hid: intel-quicki2c: support ACPI config for advanced features
HID: core: Change hid_driver to use a const char* for name
HID: hidraw: tighten ioctl command parsing
selftests/hid: hidraw: forge wrong ioctls and tests them
selftests/hid: hidraw: add more coverage for hidraw ioctls
selftests/hid: update vmtest.sh for virtme-ng
HID: playstation: Support DualSense audio jack event reporting
HID: playstation: Support DualSense audio jack hotplug detection
HID: playstation: Redefine DualSense input report status field
HID: playstation: Prefer kzalloc(sizeof(*buf)...)
HID: playstation: Document spinlock_t usage
HID: playstation: Fix all alignment and line length issues
HID: playstation: Correct spelling in comment sections
HID: playstation: Replace uint{32,16,8}_t with u{32,16,8}
HID: playstation: Simplify locking with guard() and scoped_guard()
HID: playstation: Add spaces around arithmetic operators
HID: playstation: Make use of bitfield macros
...
This round of updates contains a fair amount of new device support, a couple of fixes and
some refactoring. The most notable additions include new drivers for Loongson's Security
Engine, RNG and TPM, new drivers for TI's TPS6594 Power Button and BQ257xx Charger ICs.
The rest of the set provides a return value check fix and a refactoring to use a more modern
GPIO API for the VEXPRESS sysreg driver, the removal of a deprecated IRQ ACK function from the
MC13xxx RTC driver and a new DT binding for the aforementioned TI BQ257xx charger.
New Support & Features
- Add a suite of drivers for the Loongson Security Engine, including the core controller, a
Random Number Generator (RNG) and Trusted Platform Module (TPM) support.
- Introduce support for the TI TPS6594 PMIC's power button, including the input driver, MFD
cell registration, and a system power-off handler.
- Add comprehensive support for the TI BQ257xx series of charger ICs, including the core MFD
driver and a power supply driver for the charger functionality.
Improvements & Fixes
- Check the return value of devm_gpiochip_add_data() in the VEXPRESS sysreg driver to prevent
potential silent failures.
Cleanups & Refactoring
- Add a MAINTAINERS entry for the new Loongson Security Engine drivers.
- Convert the VEXPRESS sysreg driver to use the modern generic GPIO chip API.
Removals
- Remove the deprecated and unused mc13xxx_irq_ack() function from the MC13xxx RTC, input and
touchscreen drivers.
Device Tree Bindings Updates
- Add device tree bindings for the TI BQ25703A charger.
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Merge tag 'mfd-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"This round of updates contains a fair amount of new device support, a
couple of fixes and some refactoring. The most notable additions
include new drivers for Loongson's Security Engine, RNG and TPM, new
drivers for TI's TPS6594 Power Button and BQ257xx Charger ICs.
The rest of the set provides a return value check fix and a
refactoring to use a more modern GPIO API for the VEXPRESS sysreg
driver, the removal of a deprecated IRQ ACK function from the MC13xxx
RTC driver and a new DT binding for the aforementioned TI BQ257xx
charger.
New Support & Features:
- Add a suite of drivers for the Loongson Security Engine, including
the core controller, a Random Number Generator (RNG) and Trusted
Platform Module (TPM) support.
- Introduce support for the TI TPS6594 PMIC's power button, including
the input driver, MFD cell registration, and a system power-off
handler.
- Add comprehensive support for the TI BQ257xx series of charger ICs,
including the core MFD driver and a power supply driver for the
charger functionality.
Improvements & Fixes:
- Check the return value of devm_gpiochip_add_data() in the VEXPRESS
sysreg driver to prevent potential silent failures.
Cleanups & Refactoring:
- Add a MAINTAINERS entry for the new Loongson Security Engine
drivers.
- Convert the VEXPRESS sysreg driver to use the modern generic GPIO
chip API.
Removals:
- Remove the deprecated and unused mc13xxx_irq_ack() function from
the MC13xxx RTC, input and touchscreen drivers.
Device Tree Bindings Updates:
- Add device tree bindings for the TI BQ25703A charger"
* tag 'mfd-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits)
mfd: simple-mfd-i2c: Add compatible string for LX2160ARDB
mfd: simple-mfd-i2c: Keep compatible strings in alphabetical order
dt-bindings: mfd: twl: Add missing sub-nodes for TWL4030 & TWL603x
dt-bindings: watchdog: Add SMARC-sAM67 support
dt-bindings: mfd: tps6594: Allow gpio-line-names
mfd: intel-lpss: Add Intel Wildcat Lake LPSS PCI IDs
mfd: 88pm886: Add GPADC cell
mfd: vexpress-sysreg: Use more common syntax for compound literals
mfd: rz-mtu3: Fix MTU5 NFCR register offset
mfd: max77705: Setup the core driver as an interrupt controller
mfd: cs42l43: Remove IRQ masking in suspend
mfd: cs42l43: Move IRQ enable/disable to encompass force suspend
mfd: ls2kbmc: Add Loongson-2K BMC reset function support
mfd: ls2kbmc: Introduce Loongson-2K BMC core driver
mfd: bd71828, bd71815: Prepare for power-supply support
dt-bindings: mfd: aspeed: Add AST2700 SCU compatibles
dt-bindings: mfd: Convert aspeed,ast2400-p2a-ctrl to DT schema
dt-bindings: mfd: fsl,mc13xxx: Add buttons node
dt-bindings: mfd: fsl,mc13xxx: Convert txt to DT schema
mfd: macsmc: Add "apple,t8103-smc" compatible
...
GPIO core:
- add support for sparse pin ranges to the glue between GPIO and pinctrl
- use a common prefix across all GPIO descriptor flags for improved
namespacing
New drivers:
- add new GPIO driver for the Nuvoton NCT6694
- add new GPIO driver for MAX7360
Driver improvements:
- add support for Tegra 256 to the gpio-tegra186 driver
- add support for Loongson-2K0300 to the gpio-loongson-64bit driver
- refactor the gpio-aggregator module to expose its GPIO forwarder API
to other in-kernel users (to enable merging of a new pinctrl driver
that uses it)
- convert all remaining drivers to using the modernized generic GPIO chip
API and remove the old interface
- stop displaying global GPIO numbers in debugfs output of controller
drivers
- extend the gpio-regmap helper with a new config option and improve its
support for GPIO interrupts
- remove redundant fast_io parameter from regmap configs in GPIO drivers
that already use MMIO regmaps which imply it
- add support for a new model in gpio-mmio: ixp4xx expansion bus
- order includes alphabetically in a few drivers for better readability
- use generic device properties where applicable
- use devm_mutex_init() where applicable
- extend build coverage of drivers by enabling more to be compiled with
COMPILE_TEST enabled
- allow building gpio-stmpe as a module
- use dev_err_probe() where it makes sense in drivers
Late driver fixes:
- fix setting GPIO direction to output in gpio-mpfs
Documentation:
- document the usage of software nodes with GPIO chips
Device-tree bindings:
- Add DT bindings documents for new hardware: Tegra256, MAX7360
- Document a new model in Loongson bindings: LS2K0300
- Document a new model using the generic GPIO binding: IXP4xx
- Convert the DT binding for fsl,mxs-pinctrl to YAML
- fix the schema ID in the "trivial" GPIO schema
- describe GPIO hogs in the generic GPIO binding
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Merge tag 'gpio-updates-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"There are two new drivers and support for more models in existing
ones.
The generic GPIO API has been reworked and all users converted
which allowed us to move the fields specific to the generic GPIO
implementation out of the high-level struct gpio_chip into its own
structure that wraps the gpio_chip.
Other than that, there's nothing too exciting. Mostly minor tweaks and
fixes all over the place, some refactoring and some small new features
in helper modules.
GPIO core:
- add support for sparse pin ranges to the glue between GPIO and
pinctrl
- use a common prefix across all GPIO descriptor flags for improved
namespacing
New drivers:
- add new GPIO driver for the Nuvoton NCT6694
- add new GPIO driver for MAX7360
Driver improvements:
- add support for Tegra 256 to the gpio-tegra186 driver
- add support for Loongson-2K0300 to the gpio-loongson-64bit driver
- refactor the gpio-aggregator module to expose its GPIO forwarder
API to other in-kernel users (to enable merging of a new pinctrl
driver that uses it)
- convert all remaining drivers to using the modernized generic GPIO
chip API and remove the old interface
- stop displaying global GPIO numbers in debugfs output of controller
drivers
- extend the gpio-regmap helper with a new config option and improve
its support for GPIO interrupts
- remove redundant fast_io parameter from regmap configs in GPIO
drivers that already use MMIO regmaps which imply it
- add support for a new model in gpio-mmio: ixp4xx expansion bus
- order includes alphabetically in a few drivers for better
readability
- use generic device properties where applicable
- use devm_mutex_init() where applicable
- extend build coverage of drivers by enabling more to be compiled
with COMPILE_TEST enabled
- allow building gpio-stmpe as a module
- use dev_err_probe() where it makes sense in drivers
Late driver fixes:
- fix setting GPIO direction to output in gpio-mpfs
Documentation:
- document the usage of software nodes with GPIO chips
Device-tree bindings:
- Add DT bindings documents for new hardware: Tegra256, MAX7360
- Document a new model in Loongson bindings: LS2K0300
- Document a new model using the generic GPIO binding: IXP4xx
- Convert the DT binding for fsl,mxs-pinctrl to YAML
- fix the schema ID in the "trivial" GPIO schema
- describe GPIO hogs in the generic GPIO binding"
* tag 'gpio-updates-for-v6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (122 commits)
gpio: mpfs: fix setting gpio direction to output
gpio: generic: move GPIO_GENERIC_ flags to the correct header
gpio: generic: rename BGPIOF_ flags to GPIO_GENERIC_
gpio: nomadik: fix the debugfs helper stub
MAINTAINERS: Add entry on MAX7360 driver
input: misc: Add support for MAX7360 rotary
input: keyboard: Add support for MAX7360 keypad
gpio: max7360: Add MAX7360 gpio support
gpio: regmap: Allow to provide init_valid_mask callback
gpio: regmap: Allow to allocate regmap-irq device
pwm: max7360: Add MAX7360 PWM support
pinctrl: Add MAX7360 pinctrl driver
mfd: Add max7360 support
dt-bindings: mfd: gpio: Add MAX7360
rtc: Add Nuvoton NCT6694 RTC support
hwmon: Add Nuvoton NCT6694 HWMON support
watchdog: Add Nuvoton NCT6694 WDT support
can: Add Nuvoton NCT6694 CANFD support
i2c: Add Nuvoton NCT6694 I2C support
gpio: Add Nuvoton NCT6694 GPIO support
...
* New
- Add a new API cros_ec_device_registered() for checking if the
cros_ec_deivce is ready.
* Improvements
- Use TRAILING_OVERLAP() to fix -Wflex-array-member-not-at-end
warning.
- Defer probe until parent EC device is ready in cros_ec_keyb.
* Cleanups
- Remove redundant and simplify code in cros_ec_chardev.
- Centralize cros_ec_device allocation and initialization to remove
duplicate code.
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Merge tag 'chrome-platform-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Tzung-Bi Shih:
"New:
- Add a new API cros_ec_device_registered() for checking if the
cros_ec_deivce is ready
Improvements:
- Use TRAILING_OVERLAP() to fix -Wflex-array-member-not-at-end
warning
- Defer probe until parent EC device is ready in cros_ec_keyb
Cleanups:
- Remove redundant and simplify code in cros_ec_chardev
- Centralize cros_ec_device allocation and initialization to remove
duplicate code"
* tag 'chrome-platform-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
Input: cros_ec_keyb - Defer probe until parent EC device is registered
platform/chrome: cros_ec: Add a flag to track registration state
platform/chrome: cros_ec: Separate initialization from cros_ec_register()
platform/chrome: Centralize common cros_ec_device initialization
platform/chrome: Centralize cros_ec_device allocation
platform/chrome: wilco_ec: Remove redundant semicolons
platform/chrome: cros_ec: Avoid -Wflex-array-member-not-at-end warning
platform/chrome: cros_ec_chardev: Decouple fops from struct cros_ec_dev
platform/chrome: cros_ec_chardev: Remove redundant struct field
At present VMBus driver is hinged off of CONFIG_HYPERV which entails
lot of builtin code and encompasses too much. It's not always clear
what depends on builtin hv code and what depends on VMBus. Setting
CONFIG_HYPERV as a module and fudging the Makefile to switch to builtin
adds even more confusion. VMBus is an independent module and should have
its own config option. Also, there are scenarios like baremetal dom0/root
where support is built in with CONFIG_HYPERV but without VMBus. Lastly,
there are more features coming down that use CONFIG_HYPERV and add more
dependencies on it.
So, create a fine grained HYPERV_VMBUS option and update Kconfigs for
dependency on VMBus.
Signed-off-by: Mukesh Rathor <mrathor@linux.microsoft.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com> # drivers/pci
Signed-off-by: Wei Liu <wei.liu@kernel.org>
The probe function in the psxpad-spi driver calls spi_setup()
but fails to check its return value. If the SPI bus setup fails,
the driver will still load successfully, resulting in potential
error in later I/O operations.
Add a check for the return value of spi_setup() and return
an error on failure.
Fixes: 8be193c7b1 ("Input: add support for PlayStation 1/2 joypads connected via SPI")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Struct ff_effect_compat is embedded twice inside
uinput_ff_upload_compat, contains internal padding. In particular, there
is a hole after struct ff_replay to satisfy alignment requirements for
the following union member. Without clearing the structure,
copy_to_user() may leak stack data to userspace.
Initialize ff_up_compat to zero before filling valid fields.
Fixes: 2d56f3a32c ("Input: refactor evdev 32bit compat to be shareable with uinput")
Cc: stable@vger.kernel.org
Signed-off-by: Zhen Ni <zhen.ni@easystack.cn>
Link: https://lore.kernel.org/r/20250928063737.74590-1-zhen.ni@easystack.cn
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add support for the I2C-connected Awinic AW86927 LRA haptic driver.
This driver includes a hardcoded sine waveform to be uploaded to the
AW86927's SRAM for haptic playback.
This driver does not currently support all the capabilities of the
AW86927, such as F0 calibration, RTP mode, and CONT mode.
Signed-off-by: Griffin Kroah-Hartman <griffin.kroah@fairphone.com>
Link: https://lore.kernel.org/r/20250925-aw86927-v3-2-1fc6265b42de@fairphone.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
'Resin' (*Res*et *In*put) is usually connected to a volume down button
on devices, which is usually not expected to wake up the device from
suspend.
On the other hand, pwrkey should keep wakeup on. So do not enable wakeup
for resin unless the "wakeup-source" property is specified in
devicetree.
Note, that this does change behavior by turning off wakeup by default
for 'resin' and requiring a new dt property to be added to turn it on
again. But since this is not expected behavior in the first place, and
most users will not expect this, I'd argue this change is acceptable.
Signed-off-by: Luca Weiss <luca@lucaweiss.eu>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250909-resin-wakeup-v1-2-46159940e02b@lucaweiss.eu
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Introduce support for the Hynitron CST816x series touchscreen controller
used for 240×240 1.28-inch Round LCD Display Module manufactured
by Waveshare Electronics. The driver is designed based on an Arduino
implementation marked as under MIT License. This driver is written
for a particular round display based on the CST816S controller, which
is not compatiable with existing driver for Hynitron controllers.
Signed-off-by: Oleh Kuzhylnyi <kuzhylol@gmail.com>
Link: https://lore.kernel.org/r/20250921125939.249788-2-kuzhylol@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Set the glitch threshold by DTS property and keep the existing default
behavior if the 'debounce-delay-us' is not present.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250923143746.2857292-7-dario.binacchi@amarulasolutions.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
"The data line must be sampled" makes much more sense than what was
previously written, and given that "s" and "d" are neighbors on the
QWERTY keybord, it was probably a typo.
Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Link: https://lore.kernel.org/r/20250923-ps2-typo-v1-1-03d2468acc32@posteo.net
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This provides support for generic touchscreen configuration options like
swapped-x-y, min-x, min-y, size-x, size-y, etc.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Link: https://lore.kernel.org/r/20250909054903.11519-3-clamor95@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Support for platform data from dropped from twl in 4a346a03a6 ("mfd:
twl: Remove platform data support") and board files were dropped even
earlier. There are no in-kernel users of twl4030_keypad_data in the
kernel, and the driver supports configuration via generic device
properties.
Drop support of static platform data from the keypad driver.
Reviewed-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://lore.kernel.org/r/tica7ol7xwv5tqb7hlkzu6wkiv4quxwrpqv6croe4wfnwvj6wv@4ob6ktqqi3cr
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add a simple driver for the Himax HX852x(ES) touch panel controller,
with support for multi-touch and capacitive touch keys.
The driver is somewhat based on sample code from Himax. However, that
code was rather confusing, so that we spent a significant amount of
time just trying to understand the packet format and register commands.
In this driver they are described with clean structs and defines rather
than magic numbers and offset calculations.
Co-developed-by: Jonathan Albrieux <jonathan.albrieux@gmail.com>
Signed-off-by: Jonathan Albrieux <jonathan.albrieux@gmail.com>
Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20250915-hx852x-v5-2-b938182f1056@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge tag 'ib-mfd-gpio-input-pinctrl-pwm-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next
Sync up with MFD tree to bring in support for MAX7360.
Add driver for Maxim Integrated MAX7360 keypad controller, providing
support for up to 64 keys, with a matrix of 8 columns and 8 rows.
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Link: https://lore.kernel.org/r/20250824-mdb-max7360-support-v14-8-435cfda2b1ea@bootlin.com
Signed-off-by: Lee Jones <lee@kernel.org>
Add a flag to generate ABS_PRESSURE as sum of ABS_MT_PRESSURE across
all slots.
This flag should be set if one knows a device reports true force and would
like to report total force to the userspace.
Signed-off-by: Angela Czubak <aczubak@google.com>
Co-developed-by: Jonathan Denose <jdenose@google.com>
Signed-off-by: Jonathan Denose <jdenose@google.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
- a quirk to i8042 for yet another TUXEDO laptop
- a fix to mtk-pmic-keys driver to properly handle MT6359
- a fix to iqs7222 driver to only enable proximity interrupt if it is
mapper to a key or a switch event
- an update to xpad controller driver to recognize Flydigi Apex 5
controller
- an update to maintainers file to drop bounding entry for Melfas touch
controller.
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Merge tag 'input-for-v6.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a quirk to i8042 for yet another TUXEDO laptop
- a fix to mtk-pmic-keys driver to properly handle MT6359
- a fix to iqs7222 driver to only enable proximity interrupt
if it is mapped to a key or a switch event
- an update to xpad controller driver to recognize Flydigi Apex 5
controller
- an update to maintainers file to drop bounding entry for Melfas
touch controller
* tag 'input-for-v6.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
MAINTAINERS: Input: Drop melfas-mip4 section
Input: mtk-pmic-keys - MT6359 has a specific release irq
Input: i8042 - add TUXEDO InfinityBook Pro Gen10 AMD to i8042 quirk table
Input: iqs7222 - avoid enabling unused interrupts
Input: xpad - add support for Flydigi Apex 5
The `cros_ec_keyb` driver can be probed before the cros_ec_device has
completed the registration. This creates a race condition where
`cros_ec_keyb` might access uninitialized data.
Fix this by calling `cros_ec_device_registered()` to check the parent's
status. If the device is not yet ready, return -EPROBE_DEFER to ensure
the probe is retried later.
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20250828083601.856083-6-tzungbi@kernel.org
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
mc13xxx_irq_ack() got deprecated and became dead code with commit
10f9edaeaa ("mfd: mc13xxx: Use regmap irq framework for interrupts").
It should be safe to remove it now.
Signed-off-by: Alexander Kurz <akurz@blala.de>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> # for input
Link: https://lore.kernel.org/r/20250811064358.1659-1-akurz@blala.de
Signed-off-by: Lee Jones <lee@kernel.org>
There are no in-kernel users of spear kbd_platform_data in the kernel,
and the driver supports configuration via device tree, so drop
support of static platform data and move properties parsing from
OF-specific methods to generic ones.
Link: https://lore.kernel.org/r/vppjxui76im26uamznx7evm5lmbe3d6v3oxsa7mqyytykh4zm6@nhlf33v3hp6g
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
There are no in-kernel users of pxa27x_keypad_platform_data in the
kernel, and the driver supports configuration via device tree, so drop
support of static platform data and move properties parsing from
OF-specific methods to generic ones.
Link: https://lore.kernel.org/r/20250817215316.1872689-3-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Linus Torvalds