Pins 136-140 and 142 are currently advertised as having both drive-
strength and slew-rate controls, while pins 141 and 143 expose no slew
control at all.
According to the hardware description, those pins only support slew-rate
configuration. Update the pin flags accordingly so pinconf exposes the
capabilities that the hardware actually implements.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
npcmgpio_irq_startup() calls pinctrl_gpio_direction_input(), which may
sleep while taking the pinctrl core mutex. That makes IRQ startup trip
lockdep when CONFIG_PROVE_LOCKING is enabled.
Move the direction change into irq_request_resources() and keep startup
limited to the ack and unmask operations that are safe in atomic
context.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
The pin description for GPIO7 spells the IOX2 output signal as D0.
The datasheet names that signal IOX2_DO, matching the rest of the IOX
naming scheme.
Rename the pin description accordingly.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
A bank may retain pending event status across resets of the GPIO block.
If probe leaves the old state in place, the chained IRQ handler can see
spurious events as soon as the irqchip is registered.
Disable event generation and clear EVST before wiring each GPIO bank
into gpiolib so the driver starts from a known state.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
RG2 pins 110-113 and 208-209 do not use the per-bank ODSC bit that the
driver relies on for the rest of the drive-strength handling. Their
strength is encoded in GCR_DSCNT[7:6] and supports four values: 8, 12,
16 and 24mA.
Mark those pins as a dedicated drive-strength class and translate the
pinconf get/set operations to the shared GCR_DSCNT field so the full
hardware range becomes available.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
NPCM8xx uses GCR_INTCR4 bits to release the R1, R2 and RMII3
transmit outputs from Hi-Z.
Those bits need to follow the mandatory r1, r2 and rmii3 pin
groups. The R1_OEn, R2_OEn and R3_OEn side groups are optional and
should not be required just to enable RMII transmit outputs.
Program the INTCR4 bits when the corresponding RMII groups are
selected and clear them again when those pins switch back to GPIO or
another shared function.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
The bmcuart1 group currently claims BU1_RTS and BU1_CTS in addition
to TXD and RXD. That prevents boards from using the modem-control
pins independently through the dedicated nbu1crts function.
Limit bmcuart1 to the TXD/RXD pair and let users opt into BU1_RTS
and BU1_CTS explicitly through the nbu1crts group when those signals
are needed.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Add a header file providing macros needed for specifying MT6858 pin
functions in device tree files.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Nikolai Burov <nikolai.burov@jolla.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Add a pinctrl driver for the MT6858 (MediaTek Dimensity 7100) SoC.
Signed-off-by: Nikolai Burov <nikolai.burov@jolla.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Add new DT bindings for the pin controller found in the MT6858
(MediaTek Dimensity 7100) SoC.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Nikolai Burov <nikolai.burov@jolla.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
The pin controller on Apple silicon M3 Pro, Max and Ultra SoCs is
compatible with the t8103 (M1) one. Add "apple,t6030-pinctrl" for M3 Pro
and "apple,t6031-pinctrl" for M3 Max and Ultra as per-SoC compatibles.
Signed-off-by: Janne Grunau <j@jannau.net>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Replace legacy gpio_request() calls used to configure function pins
(SCIF0 TXD/RXD and LAN9118 IRQ) with software nodes describing GPIO
hogs. These hogs are attached to the PFC gpiochip node, allowing the
GPIO subsystem to automatically configure these pins when the driver is
registered.
Assisted-by: Gemini:gemini-3.1-pro
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>
This patch extends the sh-pfc GPIO driver to support software-node-based
configuration for the secondary 'function' GPIO chip.
While the primary GPIO chip typically uses the firmware node attached to
the parent platform device, the secondary chip should target a specific
child node to avoid ambiguity when defining GPIO hogs or properties.
Update gpio_function_setup() to look for a child node named 'functions',
but only when the parent is a software node. This ensures the behavior
is restricted to legacy platforms being migrated to software nodes.
Assisted-by: Gemini:gemini-3.1-pro
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Convert the board to use static device properties instead of platform
data to describe LEDs and GPIO-connected buttons on the board, so
that support for platform data can be removed from gpio-keys and other
drivers, unifying their behavior.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>
With commit e5d527be7e ("gpio: swnode: don't use the swnode's name as
the key for GPIO lookup") gpiolib requires that firmware nodes from the
GPIO references to match firmware node in gpiochip structure.
Define a software node for the pfc gpiochip so that it can be referenced
by boards using static device properties.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>
The sh-pfc driver registers two separate gpiochip instances: one for
real GPIOs and another for function GPIOs. Since both share the same
parent platform device, gpiolib's fallback logic causes both chips to
share the same firmware node (fwnode).
This causes ambiguity when using software nodes to describe GPIOs, as
gpiolib may apply hogs meant for one chip to the other if they share the
same node.
Explicitly set gc->fwnode to ERR_PTR(-ENODEV) for the function GPIO
chip. This satisfies gpiolib's check for an existing fwnode and prevents
it from falling back to the parent device's node, while ensuring that no
actual properties or hogs are found on the function chip unless
explicitly assigned later.
Assisted-by: Gemini:gemini-3.1-pro
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Use the str_hi_lo helper API to print value
of a pin for debugging instead of using
ternary operator.
Signed-off-by: Alex Tran <alex.t.tran@gmail.com>
Reviewed-by: Andrea della Porta <andrea.porta@suse.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Fix the spelling of 'bellow' to 'below' in the PM API section.
Signed-off-by: Yuhong Cheng <ceohunk@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>
The driver has a match table for the i2c bus wired into its driver
structure, but the table is not exported with MODULE_DEVICE_TABLE().
Add the missing MODULE_DEVICE_TABLE() entry so module alias information
is generated for automatic module loading.
This is a source-level fix. It does not claim dynamic hardware
reproduction; the evidence is the driver-owned match table, its use by
the driver registration structure, and the missing module alias
publication.
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Extend the S32G2 SIUL2 pinctrl binding to describe the GPIO data and
external interrupt resources present in the same SIUL2 hardware block.
Besides the MSCR and IMCR registers used for pin multiplexing and pad
configuration, SIUL2 also contains PGPDO and PGPDI registers
for GPIO data and EIRQ registers for external interrupt control.
Add GPIO controller properties because the SIUL2 block also provides
GPIO functionality, and gpio-ranges are needed to describe the
mapping between GPIO lines and pin controller pins.
Document the interrupt controller properties. The SIUL2 block
contains EIRQ hardware as part of the same register space. IRQ support
itself will be added in a follow-up patch series.
Update the example accordingly to show the complete SIUL2 register
layout, including the GPIO data and EIRQ register windows.
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Khristine Andreea Barbulescu <khristineandreea.barbulescu@oss.nxp.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Switch from "devm_pinctrl_register" to "devm_pinctrl_register_and_init"
and "pinctrl_enable" since this is the recommended way.
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Andrei Stefanescu <andrei.stefanescu@oss.nxp.com>
Signed-off-by: Khristine Andreea Barbulescu <khristineandreea.barbulescu@oss.nxp.com>
Tested-by: Enric Balletbo i Serra <eballetb@redhat.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Fix the checkpatch.pl warning by removing unnecessary braces from
a single-statement if-block in tb10x_gpio_probe().
Signed-off-by: Igor Putko <igorpetindev@gmail.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Fix the checkpatch.pl warning by using 'unsigned int' instead of
the bare use of 'unsigned' for the offset parameter in
tb10x_gpio_to_irq().
Signed-off-by: Igor Putko <igorpetindev@gmail.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
If the devm_pinctrl_register() function fails,
bcm2835_pinctrl_probe() calls gpiochip_remove()
before gpiochip_add_data() has registered the GPIO chip.
This means that upon failure the gpio_chip.gpiodev
is NULL resulting in a null pointer dereference
inside the gpiochip_remove() function.
Remove the unnecessary function call to gpiochip_remove().
No GPIO cleanup is required because the GPIO chip
has not yet been registered. Without this change there
is potential for a kernel panic upon registration failure
Fixes: 266423e60e ("pinctrl: bcm2835: Change init order for gpio hogs")
Signed-off-by: Daniel McCarthy <daniel@dragonzap.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
The JTAGM1 group includes the D12 ball carrying the TRST signal, but
TRST is optional for a JTAG master and the ball may be needed for other
functions on designs that do not wire it. With TRST embedded in the
group, such designs cannot use the JTAG master at all.
Move D12 into a new JTAGM1TRST group under the same JTAGM1 function so
TRST is muxed only when a board requests it. Boards that do use TRST
now need to select both the JTAGM1 and JTAGM1TRST groups.
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
The TRST signal of the JTAG master is optional and may not be wired on
every design, but it is only selectable as part of the JTAGM1 group,
which forces the D12 ball to be muxed whenever the JTAG master is used.
Add a separate JTAGM1TRST group so boards can enable TRST independently
of the other JTAG master signals.
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
Linus Walleij expresed the need for a dedicated maintainer for Qualcomm
pin control drivers which receive a lot more changes lately. Qualcomm
volunteered me for this role so add an entry to MAINTAINERS.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
for_each_child_of_node() holds a reference on the iterator node that
must be released on early return. imx1_pinctrl_dt_is_flat_functions()
has two early return paths inside the loop that skip this cleanup.
Replace both loops with the scoped variant so that the reference is
automatically dropped when the iterator goes out of scope.
Fixes: 63d2059cd6 ("pinctrl: imx1: Allow parsing DT without function nodes")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Linus Walleij <linusw@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
