Allow grouping of individual PCA963x PWM channels into a single
multicolor LED device by adding support for the LED multicolor class.
A child node with sub-children is treated as a multicolor group,
others are treated as single leds, keeping full backwards compatibility.
Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20260727-monza-leds-v8-3-6e7e93d44dba@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
Add support for grouping individual PCA963x channels into a multicolor
LED by introducing a multi-led@N node pattern. This follows the
convention established by other multicolor LED drivers such as
kinetic,ktd202x.
This is necessary to support and model hardware setups where multiple
PWM channels drive a single physical RGB LED.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20260727-monza-leds-v8-2-6e7e93d44dba@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
The pca9635 supports 16 LED channels, unlike the pca9634 which only
supports 8. The allOf conditional grouped both chips under a single
else branch capping reg at a maximum of 7.
Give pca9634 its own if/then block and set maximum: 15 unconditionally
in the top-level led@ node, making it the default for pca9635 and any
future compatible. Also tighten the node name regex from [0-9a-f]+ to
[0-9a-f] to match the single-digit hardware limit.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20260727-monza-leds-v8-1-6e7e93d44dba@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
gpio_led_get_gpiod() returns an error pointer when a platform-data
LED's GPIO is unavailable. gpio_led_probe() skips registration in that
case, but leaves the error pointer in led_dat->gpiod.
The skipped entry remains included in priv->num_leds. During shutdown,
gpio_led_shutdown() walks those entries and passes the error pointer to
gpio_led_set(), producing:
gpiod_set_value: invalid GPIO (errorpointer: -ENOENT)
Clear led_dat->gpiod before skipping the LED so skipped entries do not
retain error-valued descriptors.
Fixes: 45d4c6de4e ("leds: gpio: Try to lookup gpiod from device")
Suggested-by: Lee Jones <lee@kernel.org>
Assisted-by: ChatGPT:GPT-5.5-Thinking
Signed-off-by: Steve Dunnagan <sdunnaga@redhat.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260724180412.43150-1-sdunnaga@redhat.com
Signed-off-by: Lee Jones <lee@kernel.org>
Convert the Texas Instruments TPS65217 bindings to DT schema.
During the conversion, the following updates were made:
- Documented the 'regulators', 'charger' and 'pwrbutton' child nodes,
which are used by the boards but were missing from the old txt
binding.
- Documented the 'interrupts', 'interrupt-controller', '#interrupt-cells'
and 'ti,pmic-shutdown-controller' properties, which are used by the
am335x boards and read by the driver.
The regulator/tps65217.txt binding documented the same 'ti,tps65217'
compatible and is superseded by this schema, so remove it as well.
Signed-off-by: Eduard Bostina <egbostina@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260723100605.628882-5-egbostina@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
The initial PWM and PSC register writes in pca9532_configure() do not
check the return values of i2c_smbus_write_byte_data(). If the I2C
device is physically absent from the bus, the write fails with -ENXIO.
However, the driver ignores this error and allows probe() to complete
successfully.
This results in the registration of phantom LED class devices and
gpiochips backed by non-existent hardware. Subsequent GPIO reads from
these phantom chips return bogus values (due to -ENXIO being truncated
to an unsigned char in pca9532_gpio_get_value()), silently corrupting
hardware state tracking in userspace.
Propagate the I2C write failures back to probe() so the driver core
can gracefully abort binding and release devres-managed resources.
Fixes: e14fa82439 ("leds: Add pca9532 led driver")
Signed-off-by: Cosmo Chou <chou.cosmo@gmail.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260715080747.1638097-1-chou.cosmo@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
There are still a handful of ancient mips/armv5/sh boards that use the
gpio_led:gpio member to pass an old-style gpio number, but all modern
users have been converted to gpio descriptors.
While the CONFIG_GPIOLIB_LEGACY option that guards devm_gpio_request_one()
and related helpers is currently turned on in all kernel builds,
the plan is to only enable it on the few platforms that actually
pass gpio numbers in any platform_data.
Split out the legacy portion of the platform_data handling into a custom
helper function that is guarded with in #ifdef block, to allow the
the leds-gpio driver to compile cleanly when CONFIG_GPIOLIB_LEGACY
gets turned off. Once the last user is converted, this function can
be removed.
Link: https://lore.kernel.org/all/e9252384-a55c-4a91-9c61-06e05a0b2ce4@app.fastmail.com/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> # for input
Link: https://patch.msgid.link/20260710211854.1371746-4-arnd@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
Pass the pinctrl error pointer directly to %pe to print the
symbolic error name.
Detected by Coccinelle. Tested by compiling.
Signed-off-by: Ninad Naik <ninadnaik07@gmail.com>
Link: https://patch.msgid.link/20260713200732.2470666-1-ninadnaik07@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
Document the default-intensity property to set a default color on
multicolor LEDs.
Update pwm-multicolor to support it and update the example to turn the
LED red on boot.
Signed-off-by: Jonas Rebmann <jre@pengutronix.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260713-multicolor-default-v3-1-fb43f3f789cf@pengutronix.de
Signed-off-by: Lee Jones <lee@kernel.org>
Add driver for the LTC3220 18-channel LED driver
with I2C interface, individual brightness control, and hardware-assisted
blink/gradation features.
Signed-off-by: Edelweise Escala <edelweise.escala@analog.com>
Link: https://patch.msgid.link/20260709-ltc3220-driver-v13-2-9b53237642eb@analog.com
Signed-off-by: Lee Jones <lee@kernel.org>
LTC3220 is a multi-display LED driver with I2C interface.
The LTC3220 provides individual brightness control (64-step),
blinking, and gradation features for up to 18 LED outputs.
Signed-off-by: Edelweise Escala <edelweise.escala@analog.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260709-ltc3220-driver-v13-1-9b53237642eb@analog.com
Signed-off-by: Lee Jones <lee@kernel.org>
The "gpio" trigger is used to control LEDs by the level of a GPIO input
referenced by the trigger-sources property. This is already documented
in the trigger-sources property description and is used in at least one
devicetree (am335x-regor.dtsi). Document it so validation of those and
future DTs will pass.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260711192842.845048-2-samuel@sholland.org
Signed-off-by: Lee Jones <lee@kernel.org>
Fix the repeat section: -1 is a valid value meaning infinite repeat,
as accepted by the ledtrig-pattern sysfs interface; only 0 and values
below -1 are rejected. The previous text incorrectly stated all negative
numbers were invalid. Also remove the redundant trailing sentence since
the behaviour is now covered inline.
Add the brightness range (0-255) to the hw_pattern section, which was
previously undocumented.
Fixes: b1816b2238 ("Documentation:leds: Add leds-st1202.rst")
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Assisted-by: Claude:claude-sonnet-4-6
Link: https://patch.msgid.link/GV1PR08MB8497B2FB4F5AC4B142790CE5C5F52@GV1PR08MB8497.eurprd08.prod.outlook.com
Signed-off-by: Lee Jones <lee@kernel.org>
The reg property from the device tree is used directly as an array index
into chip->leds[] without bounds checking. A value >= ST1202_MAX_LEDS
would cause an out-of-bounds write during probe.
Fixes: 259230378c ("leds: Add LED1202 I2C driver")
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Assisted-by: Claude:claude-sonnet-4-6
Link: https://patch.msgid.link/GV1PR08MB849718B43321DB7E5A05D17BC5F52@GV1PR08MB8497.eurprd08.prod.outlook.com
Signed-off-by: Lee Jones <lee@kernel.org>
When brightness_set() is called with LED_OFF, only the ILED register is
zeroed; the channel enable bit is left set from probe time. A hardware
channel enabled with ILED=0 still draws a small residual current, causing
a dim glow even when the LED is supposed to be off.
Fix this by splitting st1202_channel_set() into a lockless inner function
__st1202_channel_set() and a locking wrapper, then calling the inner
function from brightness_set() while it already holds the mutex. The
channel is now disabled when value is zero and re-enabled when non-zero,
in the same lock region as the ILED write.
Fixes: 259230378c ("leds: Add LED1202 I2C driver")
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Assisted-by: Claude:claude-sonnet-4-6
Link: https://patch.msgid.link/GV1PR08MB8497F11B30FE7D74CAA25135C5F52@GV1PR08MB8497.eurprd08.prod.outlook.com
Signed-off-by: Lee Jones <lee@kernel.org>
Once a hardware pattern is running (PATS=1), writing to the brightness
sysfs attribute only updates the ILED register. The visible output is
ILED x Pattern_PWM / 4095, so the change has little effect and the LED
never returns to steady static operation as the user expects.
The LED1202 has a single global sequencer shared across all channels.
Stopping it in brightness_set() to force static mode would halt running
patterns on all other active LEDs.
Instead, set all 8 PWM slots for the channel to ST1202_PATTERN_PWM_FULL
before writing ILED. With every step at full duty cycle, the output is
ILED x FULL / 4095 = ILED regardless of the sequencer state, without
disturbing other channels.
This also enables basic LED operation without the pattern trigger: with
the trigger set to none, the brightness sysfs attribute fully controls
the LED as a simple on/off device.
Fixes: 259230378c ("leds: Add LED1202 I2C driver")
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Assisted-by: Claude:claude-sonnet-4-6
Link: https://patch.msgid.link/GV1PR08MB8497570FD162D0D42A9864E3C5F52@GV1PR08MB8497.eurprd08.prod.outlook.com
Signed-off-by: Lee Jones <lee@kernel.org>
st1202_setup() writes PATS and PATSR to the Configuration register as
its final step, which starts the hardware pattern sequencer during
device probe before any patterns have been programmed. This causes the
device to run a sequence with whatever values happen to be in the
pattern registers at the time.
Remove the write. The device reset at the start of setup restores all
registers to their power-on defaults, leaving PATS and PATSR cleared.
Fixes: 259230378c ("leds: Add LED1202 I2C driver")
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Assisted-by: Claude:claude-sonnet-4-6
Link: https://patch.msgid.link/GV1PR08MB849724B0FF00255F4760FAE0C5F52@GV1PR08MB8497.eurprd08.prod.outlook.com
Signed-off-by: Lee Jones <lee@kernel.org>
pattern_clear() sets all PWM registers for the channel to LED_OFF (0).
In static mode (PATS=0), the LED output is ILED x Pattern0_PWM / 4095;
with Pattern0 at zero the LED remains dark regardless of the ILED value.
The LED1202 has a single global sequencer shared across all channels.
If another channel starts the sequencer after this one has been cleared,
the cleared channel runs through all 8 steps at zero duty cycle and
stays dark regardless of ILED.
Set all 8 PWM slots to ST1202_PATTERN_PWM_FULL so that ILED alone
controls the channel brightness in both static and sequencer modes.
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Assisted-by: Claude:claude-sonnet-4-6
Link: https://patch.msgid.link/GV1PR08MB849732C162CFE9E2C525AC16C5F52@GV1PR08MB8497.eurprd08.prod.outlook.com
Signed-off-by: Lee Jones <lee@kernel.org>
The PATy_DUR register encodes duration as N × 22.2 ms, with register
value 0 reserved as a pattern skip indicator (§7.10). The driver
incorrectly subtracted 1 from the register value:
value / ST1202_MILLIS_PATTERN_DUR_MIN - 1
This caused two problems:
- All programmed durations were off by one step (~22 ms too short).
- Writing the minimum duration (22 ms) produced register value 0,
silently skipping the pattern step instead of setting a 22 ms
duration.
The maximum duration constant was also wrong at 5660 ms. The 8-bit
register saturates at 255, giving a maximum of 5610 ms (22 ms × 255).
Values above 5653 ms were already producing a uint8_t overflow and
writing 0 to the hardware.
Fix the formula by removing the erroneous subtraction, and derive the
maximum from the register width so the relationship is explicit. Update
the documentation to reflect the correct maximum.
This exposes a secondary issue: pattern_clear() was calling
st1202_duration_pattern_write() with ST1202_MILLIS_PATTERN_DUR_MIN to
reset unused slots, accidentally relying on the broken formula to
produce register value 0. With the corrected formula, the same call
writes 0x01 (22 ms), leaving unused slots as valid 22 ms zero-PWM
steps and making the LED appear off for 7 × 22 ms out of every cycle.
Write 0 directly to the duration registers in pattern_clear() so unused
slots are always explicitly marked as skip, independently of the
conversion formula.
Fixes: 259230378c ("leds: Add LED1202 I2C driver")
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Assisted-by: Claude:claude-sonnet-4-6
Link: https://patch.msgid.link/GV1PR08MB84971D3AF982F4F707A378F0C5F52@GV1PR08MB8497.eurprd08.prod.outlook.com
Signed-off-by: Lee Jones <lee@kernel.org>
Input validation for pattern duration is performed inside the write
loop, after the pattern sequence has already been stopped. If
validation fails mid-loop the chip is left with the sequence stopped
and partially written pattern data, with no recovery.
Move all input validation before the mutex and before any hardware
interaction, so an invalid input leaves the chip state unchanged.
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Assisted-by: Claude:claude-sonnet-4-6
Link: https://patch.msgid.link/GV1PR08MB84975929B6ED7CDFBCEB7D76C5F52@GV1PR08MB8497.eurprd08.prod.outlook.com
Signed-off-by: Lee Jones <lee@kernel.org>
The LED1202 datasheet (section 4.8) states that modifications to the
Pattern Sequence Repetition register (PAT_REP) and pattern duration
registers are only applied after the sequence has completed or been
stopped. When the device is running in infinite loop mode (PAT_REP =
0xFF) the sequence never completes on its own, so these writes are
silently ignored by the hardware.
Neither pattern_clear() nor pattern_set() stop the running sequence
before modifying pattern registers, causing any subsequent pattern
reprogramming to have no effect when the previous pattern was set to
infinite repeat.
Fix this by clearing PATS in the Configuration register before touching
any pattern registers in both functions, ensuring the hardware accepts
the new values immediately.
Note that the LED1202 has a single global pattern sequencer shared by
all channels: PATS, PATSR, the duration registers, and PAT_REP are
chip-wide. Stopping the sequencer in pattern_clear() therefore halts
any pattern running on other channels. This is an inherent hardware
constraint; pattern_set() restarts the sequencer when a new pattern is
programmed.
Fixes: 259230378c ("leds: Add LED1202 I2C driver")
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Assisted-by: Claude:claude-sonnet-4-6
Link: https://patch.msgid.link/GV1PR08MB84978D0F499774773C7DA1FCC5F52@GV1PR08MB8497.eurprd08.prod.outlook.com
Signed-off-by: Lee Jones <lee@kernel.org>
The pca9532_gpio_set_value() function incorrectly mapped the requested
value to PCA9532_ON and PCA9532_OFF, inverting the GPIO output polarity.
A requested logical high (val=1) incorrectly enabled the LED output
driver, which on this open-drain device pulls the pin low, while a
requested logical low (val=0) released the pin.
Correct the mapping so that val=1 yields PCA9532_OFF (pin released /
high-impedance) and val=0 yields PCA9532_ON (pin driven low).
pca9532_gpio_direction_input() is also updated to pass val=1 to
pca9532_gpio_set_value() to align with the corrected polarity mapping,
ensuring the pin remains not driven when configured as an input.
Fixes: 3c1ab50d0a ("drivers/leds/leds-pca9532.c: add gpio capability")
Signed-off-by: Cosmo Chou <chou.cosmo@gmail.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260703014201.69829-1-chou.cosmo@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
In lp5860_device_init(), if lp5860_init_dt() fails, an already unlocked
mutex is unlocked another time.
Slightly rework how the lock is taken/released to avoid this potential
double unlock.
Fixes: f0a66563aa ("leds: Add support for TI LP5860 LED driver chip")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/0f4d556e0532bfa881d7d83c1e244572117a89e3.1781970674.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Lee Jones <lee@kernel.org>
Add 25G, 40G, 50G, and 100G as available speeds to the netdev LED trigger.
Signed-off-by: Mike Marciniszyn (Meta) <mike.marciniszyn@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20260520200337.204431-2-mike.marciniszyn@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
Like all LED drivers, pwm-multicolor supports turning on an LED on boot
by setting linux,default-trigger, e.g. to "default-on". pwm-multicolor
however scales the brightness of the color-component sub-LEDs with their
individual intensity value. Since these intensities are
zero-initialized, on boot a trigger is invisible until colors are set
from userspace.
Fix linux,default-trigger for pwm-multicolor by allowing for nonzero
default-intensities but default to 0 for backwards-compatibility.
Signed-off-by: Jonas Rebmann <jre@pengutronix.de>
Link: https://patch.msgid.link/20260605-multicolor-default-v2-2-ed07271df6b0@pengutronix.de
Signed-off-by: Lee Jones <lee@kernel.org>
device removal, along with documentation fixes and minor AMD driver
cleanups.
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Merge tag 'ntb-7.2' of https://github.com/jonmason/ntb
Pull NTB updates from Jon Mason:
"An EPF bug fix to prevent an invalid unmap during device removal,
along with documentation fixes and minor AMD driver cleanups"
* tag 'ntb-7.2' of https://github.com/jonmason/ntb:
ntb: amd: Use named initializer for pci_device_id::driver_data
NTB: fix kernel-doc warnings in ntb.h
NTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR
ntb_hw_amd: Fix incorrect debug message in link disable path
- Updates to Synaptics RMI4 driver to fix potential OOB accesses in
F30 and F3A keymap handling
- A workaround in Synaptics RMI4 to tolerate buggy firmware on some
touchpads (e.g. ThinkPad T14 Gen 1) that report incomplete register
descriptor structures, preventing probe failures
- A revert of an incorrect register descriptor address calculation in
Synaptics RMI4 driver
- A fix for a regression in HP GSC PS/2 (gscps2) driver where the
receive buffer write index was not advanced, leaving keyboard and
mouse unusable.
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Merge tag 'input-for-v7.2-rc0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull more input updates from Dmitry Torokhov:
- Updates to Synaptics RMI4 driver to fix potential OOB accesses in F30
and F3A keymap handling
- A workaround in Synaptics RMI4 to tolerate buggy firmware on some
touchpads (e.g. ThinkPad T14 Gen 1) that report incomplete register
descriptor structures, preventing probe failures
- A revert of an incorrect register descriptor address calculation in
Synaptics RMI4 driver
- A fix for a regression in HP GSC PS/2 (gscps2) driver where the
receive buffer write index was not advanced, leaving keyboard and
mouse unusable.
* tag 'input-for-v7.2-rc0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: gscps2 - advance receive buffer write index
Input: rmi4 - tolerate short register descriptor structure
Revert "Input: rmi4 - fix register descriptor address calculation"
Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count
Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count
Two more fixes that I managed to put into the public branch merged into
next before my first PR but missed to include them in it. The first
change is a relevant change that fixes misconfigurations due to a
variable overflow. The 2nd is only cosmetic but very obviously an
improvement.
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Merge tag 'pwm/for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm fixes from Uwe Kleine-König:
"Two more fixes that I managed to put into the public branch merged
into next before my first pull request but missed to include them in
it.
The first change is a relevant change that fixes misconfigurations due
to a variable overflow. The second is only cosmetic but very obviously
an improvement"
* tag 'pwm/for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: rzg2l-gpt: Add missing newlines to dev_err_probe() messages
pwm: rzg2l-gpt: Fix period_ticks type from u32 to u64
Fixes:
- fbcon: fix NULL pointer dereference for a console without vc_data [Ian Bridges]
- fbdev: fix fb_new_modelist to prevent null-ptr-deref in fb_videomode_to_var [Ian Bridges]
Fixes in failure paths:
- pm2fb: unwind write-cache setting on probe failure [Haoxiang Li]
- goldfishfb: fail pan display on base-update timeout [Pengpeng Hou]
- viafb: return error on DMA copy time-out [Pengpeng Hou]
- fbcon: fix out-of-bounds read in error path of fbcon_do_set_font() [Mingyu Wang]
- fbdev: fix modelist use-after-free in store_modes() [Ian Bridges]
Code cleanup:
- vga16fb: clean up platform_device_id table [Uwe Kleine-König]
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Merge tag 'fbdev-for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull more fbdev updates from Helge Deller:
"Fixes for generic fbdev & fbcon code for the handling of modelists
and preventing a potential NULL ptr dereference in the console code.
Fix missed cleanups in the error path of various fbdev drivers.
And Uwe Kleine-König contributed a cleanup patch to use named
initializers in the vga16fb driver"
* tag 'fbdev-for-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
fbdev: Fix fb_new_modelist to prevent null-ptr-deref in fb_videomode_to_var
fbcon: fix NULL pointer dereference for a console without vc_data
fbdev: fix use-after-free in store_modes()
fbdev: viafb: return an error when DMA copy times out
fbdev: goldfishfb: fail pan display on base-update timeout
fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font()
fbdev: pm2fb: unwind WC setup on probe failure
fbdev: vga16fb: Drop unused assignment of platform_device_id driver data
A collection of small bug fixes accumulated over the last week.
Most are device-specific fixes while there are a few core fixes as
well.
Here are the highlights:
ALSA Core:
- A fix for an uninitialised heap leak in ALSA sequencer core
- A fix for error handling/resource leak in compress-offload API
USB-audio:
- A teardown-ordering fix in USB MIDI 2.0 to prevent use-after-free
- Bounds and length checks for packet data in Native Instruments caiaq
/ Traktor Kontrol input parsers
- Avoidance of expensive kobject path lookups in DualSense controller
matches
- Robustness/memory leak fixes for Qualcomm USB offload driver
- Focusrite Control Protocol (FCP) NULL-pointer dereference fix and a
new device quirk (ISA C8X)
- Device-specific quirks for Yamaha CDS3000 and SC13A
HD-Audio:
- A bunch of quirks and mute/mic-mute LED fixups for various laptops
(Acer, Clevo, Lenovo, HP)
ASoC & SoundWire:
- Avoid failing card registration if the device_link creation fails
- A workaround for SoundWire randconfig build failures by making
helper functions static inline
- Corrected MCLK reference validation for CS530x codecs
- Clean up of untested, problematic guard() macro replacements in
Rockchip SAI driver
- Fix for eDMA maxburst misalignment with channel count in Freescale
ASRC
- Miscellaneous hardware-specific fixes (qcom, rt5650, tlv320aic3x,
tas2781/3)
Others:
- Bounds and length checks for packet data in Apple iSight
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Merge tag 'sound-fix-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small bug fixes accumulated over the last week.
Most are device-specific fixes while there are a few core fixes as
well.
Here are the highlights:
ALSA Core:
- A fix for an uninitialised heap leak in ALSA sequencer core
- A fix for error handling/resource leak in compress-offload API
USB-audio:
- A teardown-ordering fix in USB MIDI 2.0 to prevent use-after-free
- Bounds and length checks for packet data in Native Instruments
caiaq / Traktor Kontrol input parsers
- Avoidance of expensive kobject path lookups in DualSense controller
matches
- Robustness/memory leak fixes for Qualcomm USB offload driver
- Focusrite Control Protocol (FCP) NULL-pointer dereference fix and a
new device quirk (ISA C8X)
- Device-specific quirks for Yamaha CDS3000 and SC13A
HD-Audio:
- A bunch of quirks and mute/mic-mute LED fixups for various laptops
(Acer, Clevo, Lenovo, HP)
ASoC & SoundWire:
- Avoid failing card registration if the device_link creation fails
- A workaround for SoundWire randconfig build failures by making
helper functions static inline
- Corrected MCLK reference validation for CS530x codecs
- Clean up of untested, problematic guard() macro replacements in
Rockchip SAI driver
- Fix for eDMA maxburst misalignment with channel count in Freescale
ASRC
- Miscellaneous hardware-specific fixes (qcom, rt5650, tlv320aic3x,
tas2781/3)
Others:
- Bounds and length checks for packet data in Apple iSight"
* tag 'sound-fix-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (46 commits)
ALSA: FCP: Fix NULL pointer dereference in interface lookup
ALSA: hda/realtek: Update Acer Nitro ANV15-41 quirk to enable mute LED
ASoC: fsl_asrc_dma: fix eDMA maxburst misalignment with channel count
ASoC: codecs: pcm512x: only print info once on no sclk
ASoC: tas2781: Update default register address to TAS2563
ALSA: firewire: isight: bound the sample count to the packet payload
ALSA: usb-audio: qcom: Free QMI handle
ALSA: hda: Add Lenovo Legion 7i 16IAX7 17AA3874 quirk
ALSA: usb-audio: avoid kobject path lookup in DualSense match
ALSA: hda/realtek: Add quirk for Acer Nitro ANV15-41
ASoC: soc-core: Don't fail if device_link could not be created
ASoC: rockchip: rockchip_sai: #include <linux/platform_device.h> explicitly
ALSA: seq: Fix uninitialised heap leak in snd_seq_event_dup()
ASoC: rt5575: Use __le32 for SPI burst write address
ASoC: tas2783: Update loaded firmware names to linux-firmware 20260519
ASoC: SDCA: Validate written enum value in ge_put_enum_double()
ASoC: realtek: Add back local call to sdw_show_ping_status()
ASoC: ti: Add back local call to sdw_show_ping_status()
ASoC: max98373: Add back local call to sdw_show_ping_status()
ASoC: es9356: Add back local call to sdw_show_ping_status()
...
Subsystem:
- add rtc_read_next_alarm() to read next expiring timer
Drivers:
- ds1307: handle OSF for ds1337/ds1339/ds3231, add clock provider for ds1307,
fix wday for rx8130
- m41t93: DT support, alarm, clock provider, watchdog support
- mv: add suspend/resume support for wakeup
- pcap: remove driver
- renesas-rtca3: many fixes
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Merge tag 'rtc-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Most of the work and improvements are for features of the m41t93.
The ds1307 also gets support for OSF (Oscillator Stop Flag) for
new variants.
The pcap driver is being removed as the Motorola EZX support was
removed a while ago.
Subsystem:
- add rtc_read_next_alarm() to read next expiring timer
Drivers:
- ds1307: handle OSF for ds1337/ds1339/ds3231, add clock provider for
ds1307, fix wday for rx8130
- m41t93: DT support, alarm, clock provider, watchdog support
- mv: add suspend/resume support for wakeup
- pcap: remove driver
- renesas-rtca3: many fixes"
* tag 'rtc-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (36 commits)
rtc: ds1307: update reference to removed CONFIG_RTC_DRV_DS1307_HWMON
platform/x86: amd-pmc: Fix S0i3 wakeup with alarmtimer
rtc: s35390a: fix typo in comment
rtc: cmos: unregister HPET IRQ handler on probe failure
rtc: ds1307: Fix off-by-one issue with wday for rx8130
dt-bindings: rtc: ds1307: Add epson,rx8901
rtc: bq32000: add delay between RTC reads
rtc: m41t93: Add watchdog support
rtc: m41t93: Add square wave clock provider support
rtc: m41t93: Add alarm support
rtc: m41t93: migrate to regmap api for register access
rtc: m41t93: add device tree support
dt-bindings: rtc: Add ST m41t93
rtc: ds1307: add support for clock provider in ds1307
rtc: mv: add suspend/resume support for wakeup
rtc: aspeed: add AST2700 compatible
dt-bindings: rtc: add ASPEED AST2700 compatible
rtc: interface: fix typos in rtc_handle_legacy_irq() documentation
rtc: msc313: fix NULL deref in shared IRQ handler at probe
rtc: remove unused pcap driver
...
- Fix a bug where in a specific edge case, file contents en/decryption
could be done with the wrong data unit size.
- Fix the data structure used for keeping track of users that have added
an fscrypt key to be a simple list instead of a 'struct key' keyring.
This fixes issues such as a lockdep report found by syzbot and
possible unintended interactions with the keyctl() system calls.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux
Pull fscrypt fixes from Eric Biggers:
- Fix a bug where in a specific edge case, file contents en/decryption
could be done with the wrong data unit size
- Fix the data structure used for keeping track of users that have
added an fscrypt key to be a simple list instead of a 'struct key'
keyring
This fixes issues such as a lockdep report found by syzbot and
possible unintended interactions with the keyctl() system calls
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux:
fscrypt: Replace mk_users keyring with simple list
fscrypt: Fix key setup in edge case with multiple data unit sizes
Commit 44f9200699 ("Input: gscps2 - use guard notation when
acquiring spinlock") moved the receive loop into gscps2_read_data()
and gscps2_report_data().
While moving the code, it preserved the writes to
buffer[ps2port->append], but omitted the following producer index
update from the original loop:
ps2port->append = (ps2port->append + 1) & BUFFER_SIZE;
As a result, append never advances. Since gscps2_report_data() only
reports bytes while act != append, the receive buffer always appears
empty and no keyboard or mouse data reaches the serio core.
Restore the omitted index update.
Fixes: 44f9200699 ("Input: gscps2 - use guard notation when acquiring spinlock")
Cc: stable@vger.kernel.org # 6.13+
Signed-off-by: Xu Rao <raoxu@uniontech.com>
Link: https://patch.msgid.link/460B5655BA580C60+20260624094739.850306-1-raoxu@uniontech.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Some touchpads (e.g. ThinkPad T14 Gen 1) have buggy firmware that reports
a register descriptor structure size that is too small for the number of
registers it claims to have in the presence map. The remaining bytes in
the structure are 0, which with the new strict bounds checking causes the
parser to fail with -EIO, aborting the device probe.
Tolerate such short reads by dropping the remaining (unparseable or
0-size) registers from the list instead of failing the probe,
preventing the driver from trying to use them.
Fixes: 0adb483fbf ("Input: rmi4 - refactor register descriptor parsing")
Reported-by: Barry K. Nathan <barryn@pobox.com>
Tested-by: Barry K. Nathan <barryn@pobox.com>
Cc: stable@vger.kernel.org
Assisted-by: Antigravity:gemini-3.5-flash
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The register descriptor presence register is a packet register, which
means its bytes share a single RMI address. It does not occupy
consecutive addresses, and the register structure that follows it
is located at the next RMI address (presence_address + 1), not
(presence_address + presence_size).
Revert the incorrect address calculation introduced in commit
a98518e724.
Reported-by: "Barry K. Nathan" <barryn@pobox.com>
Tested-by: "Barry K. Nathan" <barryn@pobox.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The current list initialisation depends on the well hidden two zeros in
the PCI_VDEVICE macro. Instead use a named initialisation that is more
robust and easier to understand.
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Correct a function name and function parameter name to avoid
kernel-doc warnings:
Warning: include/linux/ntb.h:575 expecting prototype for
ntb_default_port_count(). Prototype was for ntb_default_peer_port_count()
instead
Warning: include/linux/ntb.h:590 function parameter 'pidx' not
described in 'ntb_default_peer_port_number'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
When BAR_PEER_SPAD and BAR_CONFIG share one PCI BAR, the module teardown
path ends up calling pci_iounmap() on the same iomem with some offset,
which is unnecessary and triggers a kernel warning like the following:
Trying to vunmap() nonexistent vm area (0000000069a5ffe8)
WARNING: mm/vmalloc.c:3470 at vunmap+0x58/0x68, CPU#5: modprobe/2937
[...]
Call trace:
vunmap+0x58/0x68 (P)
iounmap+0x34/0x48
pci_iounmap+0x2c/0x40
ntb_epf_pci_remove+0x44/0x80 [ntb_hw_epf]
pci_device_remove+0x48/0xf8
device_remove+0x50/0x88
device_release_driver_internal+0x1c8/0x228
driver_detach+0x50/0xb0
bus_remove_driver+0x74/0x100
driver_unregister+0x34/0x68
pci_unregister_driver+0x34/0xa0
ntb_epf_pci_driver_exit+0x14/0xfe0 [ntb_hw_epf]
[...]
Fix it by unmapping only when PEER_SPAD and CONFIG use difference bars.
Cc: stable@vger.kernel.org
Fixes: e75d5ae8ab ("NTB: epf: Allow more flexibility in the memory BAR map method")
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Koichiro Den <den@valinux.co.jp>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
amd_ntb_link_disable() prints "Enabling Link" which is misleading.
Update the message to reflect that the link is being disabled.
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
sysfb
- drm/sysfb truncation and alignment fixes.
edid:
- fix edid OOB read in tile parsing
- increase displayid topology id to correct size.
nouveau:
- fix error handling paths in nouveau
amdxdna:
- get_bo_info fix.
ivpu:
- fix leak when error handling in ivpu.
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Merge tag 'drm-fixes-2026-06-27' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"These are just the fixes from our fixes branch, all pretty small and
scattered.
sysfb:
- drm/sysfb truncation and alignment fixes
edid:
- fix edid OOB read in tile parsing
- increase displayid topology id to correct size
nouveau:
- fix error handling paths in nouveau
amdxdna:
- get_bo_info fix
ivpu:
- fix leak when error handling in ivpu"
* tag 'drm-fixes-2026-06-27' of https://gitlab.freedesktop.org/drm/kernel:
drm/sysfb: Avoid truncating maximum stride
drm/sysfb: Return errno code from drm_sysfb_get_visible_size()
drm/sysfb: Avoid possible truncation with calculating visible size
drm/sysfb: Do not page-align visible size of the framebuffer
drm/edid: fix OOB read in drm_parse_tiled_block()
drm/nouveau: fix reversed error cleanup order in ucopy functions
drm/nouveau/acr: fix missing nvkm_done() in error path of nvkm_acr_oneinit()
accel/amdxdna: Use caller client for debug BO sync
drm/displayid: fix Tiled Display Topology ID size
accel/ivpu: fix HWS command queue leak on registration failure
i915:
- Fix corrupted display output on GLK, #16209
- Add missing Spectre mitigation for parallel submit IOCTL
- MTL+ fix for DP resume
- clear CRTC blobs after dropping refs
- fix sharpness filter on DP MST
xe:
- Set TTM beneficial order to 9 in Xe
- Several error path cleanups
- Fix TDR for unstarted jobs on kernel queues
- Several TLB invalidation fixes related to suspending LR queues
- Some small RAS fixes
- Multi-queue suspend fix for LR queues
- Revert inclusion of NVL_S firmware
amdgpu:
- devcoredump fixes
- SMU15 fix
- Various irq put/get imbalance cleanup fixes
- 8K panel fix
- DCN3.5 fix
- lockdep fix
- Cleaner shader sysfs IB overflow fix
- Async flip fixes
- GET_MAPPING_INFO fix
- CP_GFX_SHADOW fix
- Ctx pstate handling fix
- GTT bo move handling fixes
- Old UVD BO placement fixes
- GC9 mode2 reset fix
- IH6.1 version fix
- Soft IH ring fix
amdkfd:
- Fix doorbell/mmio double unpin on free
- CRIU fixes
- SMI event fixes
- Sysfs teardown fix
- Various boundary checking fixes
- Various error checking fixes
- SVM fix
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Merge tag 'drm-next-2026-06-27' of https://gitlab.freedesktop.org/drm/kernel
Pull drm merge window fixes from Dave Airlie:
"This is the merge window fixes from our next tree, i915/xe and amdgpu
make up all of it.
I've got a separate fixes pull from our fixes branch arriving after
this.
i915:
- Fix corrupted display output on GLK, #16209
- Add missing Spectre mitigation for parallel submit IOCTL
- MTL+ fix for DP resume
- clear CRTC blobs after dropping refs
- fix sharpness filter on DP MST
xe:
- Set TTM beneficial order to 9 in Xe
- Several error path cleanups
- Fix TDR for unstarted jobs on kernel queues
- Several TLB invalidation fixes related to suspending LR queues
- Some small RAS fixes
- Multi-queue suspend fix for LR queues
- Revert inclusion of NVL_S firmware
amdgpu:
- devcoredump fixes
- SMU15 fix
- Various irq put/get imbalance cleanup fixes
- 8K panel fix
- DCN3.5 fix
- lockdep fix
- Cleaner shader sysfs IB overflow fix
- Async flip fixes
- GET_MAPPING_INFO fix
- CP_GFX_SHADOW fix
- Ctx pstate handling fix
- GTT bo move handling fixes
- Old UVD BO placement fixes
- GC9 mode2 reset fix
- IH6.1 version fix
- Soft IH ring fix
amdkfd:
- Fix doorbell/mmio double unpin on free
- CRIU fixes
- SMI event fixes
- Sysfs teardown fix
- Various boundary checking fixes
- Various error checking fixes
- SVM fix"
* tag 'drm-next-2026-06-27' of https://gitlab.freedesktop.org/drm/kernel: (52 commits)
drm/i915/cdclk: Fix up CDCLK_FREQ_DECIMAL without a full PLL re-enable
drm/i915/gem: Add missing nospec on parallel submit slot
drm/amdgpu: Use system unbound workqueue for soft IH ring
amdgpu/ih6.1: Fix minor version
drm/amdkfd: Use exclusive bounds for SVM split alignment checks
drm/amdgpu/gfx9: Fix Ring and IB test fail after mode2
drm/amdgpu/uvd: Fix forcing MSG, FB BOs into VCPU segment when it isn't at 0 (v2)
drm/amdgpu/uvd: Place VCPU BO only in VRAM for UVD 4.x and older
drm/amdgpu: Fix amdgpu_bo_move() when old_mem and new_mem are both GTT
drm/amdgpu: Respect placement requirements in amdgpu_gtt_mgr functions
drm/amdgpu: Fix context pstate override handling
drm/amdkfd: Use memdup_array_user to copy data from/to user space at kfd ioctls
drm/amdkfd: check find_first_zero_bit before __set_bit on kfd->doorbell_bitmap
drm/amdkfd: Let driver decide buffer size at AMDKFD_IOC_GET_DMABUF_INFO ioctl
drm/amdgpu: fix recursive ww_mutex acquire in amdgpu_devcoredump_format
drm/amdgpu: convert amdgpu_vm_lock_by_pasid() to drm_exec
drm/amdgpu: Don't use UTS_RELEASE directly
drm/amdkfd: Fix NULL deref during sysfs teardown
drm/amdgpu: validate CP_GFX_SHADOW chunk size in CS pass1
drm/amdgpu: check amdgpu_vm_bo_find() result in GET_MAPPING_INFO
...
operators to get out of tricky livelock situations involving caps and
file locks without evicting the problematic client instance on the MDS
side or rebooting the client node both of which can be disruptive.
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Merge tag 'ceph-for-7.2-rc1' of https://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"This adds support for manual client session reset in CephFS, allowing
operators to get out of tricky livelock situations involving caps and
file locks without evicting the problematic client instance on the MDS
side or rebooting the client node both of which can be disruptive"
* tag 'ceph-for-7.2-rc1' of https://github.com/ceph/ceph-client:
ceph: add manual reset debugfs control and tracepoints
ceph: add client reset state machine and session teardown
ceph: add diagnostic timeout loop to wait_caps_flush()
ceph: harden send_mds_reconnect and handle active-MDS peer reset
ceph: use proper endian conversion for flock_len in reconnect
ceph: convert inode flags to named bit positions and atomic bitops
rbd: switch to dynamic root device
- Fix dangling resources on thermal_throttle_online() failure in the
Intel thermal_throttle driver (Ricardo Neri)
- Eliminate a possibility of running thermal testing module code after
that module has been removed (Rafael Wysocki)
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Merge tag 'thermal-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These fix a failure path in an Intel thermal driver and prevent
thermal testing module code from being executed after it has been
freed:
- Fix dangling resources on thermal_throttle_online() failure in the
Intel thermal_throttle driver (Ricardo Neri)
- Eliminate a possibility of running thermal testing module code
after that module has been removed (Rafael Wysocki)"
* tag 'thermal-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: testing: zone: Flush work items during cleanup
thermal: intel: Fix dangling resources on thermal_throttle_online() failure
- Remove a misguided warning along with an inaccurate comment next to
it from the cpuidle core (Rafael Wysocki)
- Clear need_freq_update as appropriate in the .adjust_perf()
path of the schedutil cpufreq governor to avoid calling
cpufreq_driver_adjust_perf() unnecessarily on every scheduler
utilization update (Zhongqiu Han)
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Merge tag 'pm-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix the schedutil cpufreq governor and drop a bogus warning
from the cpuidle core:
- Remove a misguided warning along with an inaccurate comment
next to it from the cpuidle core (Rafael Wysocki)
- Clear need_freq_update as appropriate in the .adjust_perf()
path of the schedutil cpufreq governor to avoid calling
cpufreq_driver_adjust_perf() unnecessarily on every scheduler
utilization update (Zhongqiu Han)"
* tag 'pm-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: Allow exit latency to exceed target residency
cpufreq: schedutil: Fix uncleared need_freq_update on the .adjust_perf() path
- Unbreak ACPICA tools builds after switching over to using
strscpy_pad() that is kernel-specific (Rafael Wysocki)
- Fix module parameter file paths in comments in the ACPI code managing
the general sysfs attributes (Zenghui Yu)
- Update kerneldoc comments in the ACPI resource management code to
follow the common style (Andy Shevchenko)
- Fix inverted interface check in ipmi_bmc_gone() that may cause ACPI
IPMI interfaces to be mishandled (Xu Rao)
- Add __cpuidle annotation to idle state management functions related
to ACPI _LPI to avoid trace-induced RCU warnings (Li RongQing)
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Merge tag 'acpi-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI support fixes and cleanups from Rafael Wysocki:
"These fix assorted issues and do cleanups in the ACPI support code,
which includes a fix for tools build breakage related to strncpy()
removal:
- Unbreak ACPICA tools builds after switching over to using
strscpy_pad() that is kernel-specific (Rafael Wysocki)
- Fix module parameter file paths in comments in the ACPI code
managing the general sysfs attributes (Zenghui Yu)
- Update kerneldoc comments in the ACPI resource management code to
follow the common style (Andy Shevchenko)
- Fix inverted interface check in ipmi_bmc_gone() that may cause ACPI
IPMI interfaces to be mishandled (Xu Rao)
- Add __cpuidle annotation to idle state management functions related
to ACPI _LPI to avoid trace-induced RCU warnings (Li RongQing)"
* tag 'acpi-7.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: processor_idle: Mark LPI enter functions as __cpuidle
ACPICA: Unbreak tools build after switching over to strscpy_pad()
ACPI: IPMI: Fix inverted interface check in ipmi_bmc_gone()
ACPI: resource: Amend kernel-doc style
ACPI: sysfs: Fix path of module parameters in comments
