linux-stable.git/drivers/power/reset, branch master Linux kernel stable tree Merge tag 'for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply 2026-08-21T19:05:10+00:00 Linus Torvalds torvalds@linux-foundation.org 2026-08-21T19:05:10+00:00 2be02a7c996aa733bb36e29e07715621b0de9736 Pull power supply and reset updates from Sebastian Reichel: "Power-supply core: - Add PbAc, NiZn, RAM, and ZnAr battery chemistry types - Create LED triggers based on properties instead of device type - Provide power_supply_get_system_batteries() for usage with USB-C - Add registration init callback for race-free device setup Power-supply drivers: - new TI BQ25630 charger driver - new SG Micro sgm41542 charger driver - bq257xx: Add support for BQ25792 - max8903: add DC and USB input current-limit controls - max17042_battery: Initialize MAX17055 from battery info - sbs-battery: map newly introduced battery chemistries - drop extra error messages for IRQ request failures - lot's of driver removal race condition fixes - misc small cleanups and fixes Reset drivers: - add MCF5441x RCM power-on reason driver - misc small cleanups and fixes" * tag 'for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (115 commits) power: supply: bq27xxx: bq27z561: fix invalid AverageEnergy address power: supply: bq27xxx: bq28z610: fix invalid AverageEnergy address power: supply: bq27xxx: bq27520g4: fix REG_TTES address power: supply: max17040: synchronize work cancellation on suspend power: supply: lp8727: fix use-after-free in lp8727_release_irq() power: supply: bq256xx: drain usb_work before freeing the charger power: supply: qcom_battmgr: fix battery chemistry strncmp length power: supply: bd99954: Drop bad register fields power: supply: bd71828: Do not hide errors power: supply: bd71828: Drop duplicate power-supply property power: supply: bd71828: Fix current direction power: supply: bd71815: Fix temperature reading power: supply: add stubs for notifier registration helpers power: supply: ucs1002: fix use-after-free on remove power: supply: lp8788-charger: fix use-after-free on remove power: supply: ab8500_fg: fix use-after-free on remove power: supply: bq24257: fix use-after-free on remove power: supply: qcom_battmgr: fix use-after-free power: supply: max17040: drop incorrect I2C functionality check power: supply: charger-manager: register regulators before exposing sysfs ... 
Pull power supply and reset updates from Sebastian Reichel:
 "Power-supply core:
   - Add PbAc, NiZn, RAM, and ZnAr battery chemistry types
   - Create LED triggers based on properties instead of device type
   - Provide power_supply_get_system_batteries() for usage with USB-C
   - Add registration init callback for race-free device setup

  Power-supply drivers:
   - new TI BQ25630 charger driver
   - new SG Micro sgm41542 charger driver
   - bq257xx: Add support for BQ25792
   - max8903: add DC and USB input current-limit controls
   - max17042_battery: Initialize MAX17055 from battery info
   - sbs-battery: map newly introduced battery chemistries
   - drop extra error messages for IRQ request failures
   - lot's of driver removal race condition fixes
   - misc small cleanups and fixes

  Reset drivers:
   - add MCF5441x RCM power-on reason driver
   - misc small cleanups and fixes"

* tag 'for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (115 commits)
  power: supply: bq27xxx: bq27z561: fix invalid AverageEnergy address
  power: supply: bq27xxx: bq28z610: fix invalid AverageEnergy address
  power: supply: bq27xxx: bq27520g4: fix REG_TTES address
  power: supply: max17040: synchronize work cancellation on suspend
  power: supply: lp8727: fix use-after-free in lp8727_release_irq()
  power: supply: bq256xx: drain usb_work before freeing the charger
  power: supply: qcom_battmgr: fix battery chemistry strncmp length
  power: supply: bd99954: Drop bad register fields
  power: supply: bd71828: Do not hide errors
  power: supply: bd71828: Drop duplicate power-supply property
  power: supply: bd71828: Fix current direction
  power: supply: bd71815: Fix temperature reading
  power: supply: add stubs for notifier registration helpers
  power: supply: ucs1002: fix use-after-free on remove
  power: supply: lp8788-charger: fix use-after-free on remove
  power: supply: ab8500_fg: fix use-after-free on remove
  power: supply: bq24257: fix use-after-free on remove
  power: supply: qcom_battmgr: fix use-after-free
  power: supply: max17040: drop incorrect I2C functionality check
  power: supply: charger-manager: register regulators before exposing sysfs
  ...
power: reset: reboot-mode: Remove devres based allocations 2026-07-24T22:55:09+00:00 Shivendra Pratap shivendra.pratap@oss.qualcomm.com 2026-07-24T13:16:04+00:00 42326d59391cf287bf21224f3fdca528be31ece2 Devres APIs are intended for use in drivers, where the managed lifetime of resources is tied directly to the driver attach/detach cycle. To ensure correct lifetime handling, avoid using devres-based allocations in the reboot-mode and explicitly handle allocation and cleanup of resources. Fixes: cfaf0a90789a ("power: reset: reboot-mode: Expose sysfs for registered reboot_modes") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202607191025.h6bQp891-lkp@intel.com/ Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com> Signed-off-by: Shivendra Pratap <shivendra.pratap@oss.qualcomm.com> Link: https://patch.msgid.link/20260724-arm-psci-system_reset2-vendor-reboots-v24-1-ed5125785ef6@oss.qualcomm.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
Devres APIs are intended for use in drivers, where the managed lifetime
of resources is tied directly to the driver attach/detach cycle.

To ensure correct lifetime handling, avoid using devres-based
allocations in the reboot-mode and explicitly handle allocation and
cleanup of resources.

Fixes: cfaf0a90789a ("power: reset: reboot-mode: Expose sysfs for registered reboot_modes")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202607191025.h6bQp891-lkp@intel.com/
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Shivendra Pratap <shivendra.pratap@oss.qualcomm.com>
Link: https://patch.msgid.link/20260724-arm-psci-system_reset2-vendor-reboots-v24-1-ed5125785ef6@oss.qualcomm.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: reset: piix4-poweroff: add missing MODULE_DEVICE_TABLE() 2026-07-21T20:28:11+00:00 Pengpeng Hou pengpeng@iscas.ac.cn 2026-07-04T15:23:36+00:00 ffefc5d9a052f67bc87b57d1107fd7cc1fa1a3d4 The driver has a match table for the pci 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> Link: https://patch.msgid.link/20260704152336.51384-1-pengpeng@iscas.ac.cn Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
The driver has a match table for the pci 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>
Link: https://patch.msgid.link/20260704152336.51384-1-pengpeng@iscas.ac.cn
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: reset: add MCF5441x RCM power-on reason driver 2026-07-21T20:28:10+00:00 Jean-Michel Hautbois jeanmichel.hautbois@yoseli.org 2026-06-17T19:17:15+00:00 380f91cdbd3b551ecb6c0b4759c7a1257b055049 Add a driver that decodes the Reset Status Register (RSR) of the Freescale ColdFire MCF5441x Reset Controller Module at probe time and exposes the cause via the power_on_reason sysfs ABI. The RSR can latch several cause bits simultaneously (Reference Manual chapter 12.3.2); the driver picks one cause per a priority that favours the most explanatory diagnostic. The register layout is described in the driver so it can be built with COMPILE_TEST on any architecture. Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org> Link: https://patch.msgid.link/20260617-coldfire-rcm-power-on-reason-v3-1-1a7c7b6b14e7@yoseli.org Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
Add a driver that decodes the Reset Status Register (RSR) of the
Freescale ColdFire MCF5441x Reset Controller Module at probe time
and exposes the cause via the power_on_reason sysfs ABI.

The RSR can latch several cause bits simultaneously (Reference
Manual chapter 12.3.2); the driver picks one cause per a priority
that favours the most explanatory diagnostic.

The register layout is described in the driver so it can be built
with COMPILE_TEST on any architecture.

Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>
Link: https://patch.msgid.link/20260617-coldfire-rcm-power-on-reason-v3-1-1a7c7b6b14e7@yoseli.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: reset: syscon-reboot: Read "priority" as unsigned 2026-07-21T20:28:10+00:00 Rob Herring (Arm) robh@kernel.org 2026-06-12T21:53:24+00:00 402684c39cb911bc772ffc13bfee95ab57cdd2f1 The restart-handler binding documents "priority" as a uint32 value in the range 0 to 255. The syscon reboot driver stored it in an int and used the signed DT helper, which makes the helper type disagree with the schema. Read "priority" as u32 so the driver follows the binding while preserving the same default value. Assisted-by: Codex:gpt-5-5 Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20260612215325.1889302-1-robh@kernel.org Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
The restart-handler binding documents "priority" as a uint32 value in
the range 0 to 255. The syscon reboot driver stored it in an int and
used the signed DT helper, which makes the helper type disagree with
the schema.

Read "priority" as u32 so the driver follows the binding while
preserving the same default value.

Assisted-by: Codex:gpt-5-5
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260612215325.1889302-1-robh@kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: reset: pwr-mlxbf: Remove redundant dev_err()/dev_err_probe() 2026-07-18T00:59:09+00:00 Pan Chuang panchuang@vivo.com 2026-07-09T03:33:40+00:00 e896e0d29ba30d462176c7611399c10297a6845f The devm_request_threaded_irq() and devm_request_irq() now automatically log detailed error messages on failure. This eliminates the need for driver-specific dev_err() and dev_err_probe() calls that previously printed generic messages. Signed-off-by: Pan Chuang <panchuang@vivo.com> Link: https://patch.msgid.link/20260709033428.362970-2-panchuang@vivo.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
The devm_request_threaded_irq() and devm_request_irq() now automatically
log detailed error messages on failure. This eliminates the need for
driver-specific dev_err() and dev_err_probe() calls that previously
printed generic messages.

Signed-off-by: Pan Chuang <panchuang@vivo.com>
Link: https://patch.msgid.link/20260709033428.362970-2-panchuang@vivo.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files) 2026-07-03T05:38:17+00:00 Uwe Kleine-König (The Capable Hub) u.kleine-koenig@baylibre.com 2026-06-30T09:24:36+00:00 995832b2cebe6969d1b42635db698803ee31294d Replace the #include of <linux/mod_devicetable.h> by the more specific <linux/device-id/*.h> where applicable. For most cases the include can be dropped completely, only a few drivers need one or two headers added. Acked-by: Danilo Krummrich <dakr@kernel.org> Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Link: https://patch.msgid.link/1a3f2007c5c5dcf555c09a4035ce3ae8ef1b6c49.1782808461.git.u.kleine-koenig@baylibre.com Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com> 
Replace the #include of <linux/mod_devicetable.h> by the more specific
<linux/device-id/*.h> where applicable. For most cases the include
can be dropped completely, only a few drivers need one or two headers
added.

Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/1a3f2007c5c5dcf555c09a4035ce3ae8ef1b6c49.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
power: reset: st-poweroff: Use of_device_get_match_data() 2026-06-03T20:56:42+00:00 Rosen Penev rosenp@gmail.com 2026-05-19T00:41:44+00:00 c05383b9074d72d244d3dea34832eeb725317575 Use of_device_get_match_data() to fetch the reset syscfg data directly instead of open-coding an of_match_device() lookup. This also lets the driver drop the of_device.h include. Assisted-by: Codex:GPT-5.5 Signed-off-by: Rosen Penev <rosenp@gmail.com> Link: https://patch.msgid.link/20260519004144.626969-1-rosenp@gmail.com Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
Use of_device_get_match_data() to fetch the reset syscfg data directly
instead of open-coding an of_match_device() lookup.

This also lets the driver drop the of_device.h include.

Assisted-by: Codex:GPT-5.5
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260519004144.626969-1-rosenp@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: reset: linkstation-poweroff: fix use-after-free in the linkstation_poweroff_init() 2026-06-03T19:58:00+00:00 Wentao Liang vulab@iscas.ac.cn 2026-04-07T07:30:25+00:00 8eec545cde69e46e9a1d2b7d915ce4f5df85b3bd Move of_node_put(dn) after the of_match_node() call, which still needs the node pointer. The node reference is correctly released after use. Fixes: e2f471efe1d6 ("power: reset: linkstation-poweroff: prepare for new devices") Cc: stable@vger.kernel.org Signed-off-by: Wentao Liang <vulab@iscas.ac.cn> Link: https://patch.msgid.link/20260407073025.271865-1-vulab@iscas.ac.cn Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
Move of_node_put(dn) after the of_match_node() call, which still needs
the node pointer. The node reference is correctly released after use.

Fixes: e2f471efe1d6 ("power: reset: linkstation-poweroff: prepare for new devices")
Cc: stable@vger.kernel.org
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Link: https://patch.msgid.link/20260407073025.271865-1-vulab@iscas.ac.cn
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
power: reset: sc27xx: Add platform_device_id table 2026-06-01T23:37:00+00:00 Otto Pflüger otto.pflueger@abscue.de 2026-05-28T16:18:24+00:00 b6c7feeb604262f31a4279bd66aa300ad0903255 Make the poweroff driver for SC27xx-series PMICs probe automatically. Since the device representing the poweroff functionality of the SC27xx PMIC is not supposed to have a dedicated device tree node without any corresponding DT resources [1], an of_device_id table cannot be used here. Instead, use a platform_device_id table to match the poweroff sub-device instantiated by the parent MFD driver. [1]: https://lore.kernel.org/all/20251002025344.GA2958334-robh@kernel.org/ Signed-off-by: Otto Pflüger <otto.pflueger@abscue.de> Link: https://patch.msgid.link/20260528-sc27xx-mfd-cells-v3-2-25cd685d2743@abscue.de Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> 
Make the poweroff driver for SC27xx-series PMICs probe automatically.
Since the device representing the poweroff functionality of the SC27xx
PMIC is not supposed to have a dedicated device tree node without any
corresponding DT resources [1], an of_device_id table cannot be used
here. Instead, use a platform_device_id table to match the poweroff
sub-device instantiated by the parent MFD driver.

[1]: https://lore.kernel.org/all/20251002025344.GA2958334-robh@kernel.org/

Signed-off-by: Otto Pflüger <otto.pflueger@abscue.de>
Link: https://patch.msgid.link/20260528-sc27xx-mfd-cells-v3-2-25cd685d2743@abscue.de
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>