[GIT PULL] ACPI support updates for v6.19-rc1

[GIT PULL] ACPI support updates for v6.19-rc1

[Rafael J. Wysocki]

Hi Linus,

I am sending this in advance because I am not expecting to make any changes
to it before next week.

Please pull from the tag

 git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \
 acpi-6.19-rc1

with top-most commit af47d98064e900f279c98bb3bb57445a1e7a8f6b

 Merge branches 'acpi-misc' and 'pnp'

on top of commit fbf04215d9966da61feee3f4ec24dbf4544cfd0f

 Revert "ACPI: processor: Update cpuidle driver check in
__acpi_processor_start()"

to receive ACPI support updates for 6.19-rc1.

These add Microsoft fan extensions support to the ACPI fan driver,
fix a bug in ACPICA, update other ACPI drivers (processor, time and
alarm device), update ACPI power management code and ACPI device
properties management, and fix an ACPI utility:

 - Avoid walking the ACPI namespace in the AML interpreter if the
   starting node cannot be determined (Cryolitia PukNgae)

 - Use min() instead of min_t() in the ACPI device properties handling
   code to avoid discarding significant bits (David Laight)

 - Fix potential fwnode refcount leak in acpi_fwnode_graph_parse_endpoint()
   that may prevent the parent fwnode from being released (Haotian Zhang)

 - Rework acpi_graph_get_next_endpoint() to use ACPI functions only, remove
   unnecessary conditionals from it to make it easier to follow, and make
   acpi_get_next_subnode() static (Sakari Ailus)

 - Drop unused function acpi_get_lps0_constraint(), make some Low-Power
   S0 callback functions for suspend-to-idle static, and rearrange the
   code retrieving Low-Power S0 constraints so it only runs when the
   constraints are actually used (Rafael Wysocki)

 - Drop redundant locking from the ACPI battery driver (Rafael Wysocki)

 - Improve runtime PM in the ACPI time and alarm device (TAD) driver
   using guard macros and rearrange code related to runtime PM in
   acpi_tad_remove() (Rafael Wysocki)

 - Add support for Microsoft fan extensions to the ACPI fan driver along
   with notification support and work around a 64-bit firmware bug in
   that driver (Armin Wolf)

 - Use ACPI_FREE() to free ACPI buffer in the ACPI DPTF code (Kaushlendra
   Kumar)

 - Fix a memory leak and a resource leak in the ACPI pfrut utility (Malaya
   Kumar Rout)

 - Replace `core::mem::zeroed` with `pin_init::zeroed` in the ACPI Rust
   code (Siyuan Huang)

 - Update the ACPI code to use the new style of allocating workqueues
   and new global workqueues (Marco Crivellari)

 - Fix two spelling mistakes in the ACPI code (Chu Guangqing)

 - Fix ISAPNP to generate uevents to auto-load modules (René Rebe)

 - Relocate the state flags initialization in the ACPI processor idle
   driver and drop redundant C-state count checks from it (Huisong Li)

 - Fix map_x2apic_id() in the ACPI processor core driver for amd-pstate
   on am4 (René Rebe)

Thanks!


---------------

Armin Wolf (4):
      ACPI: fan: Workaround for 64-bit firmware bug
      ACPI: fan: Add basic notification support
      ACPI: fan: Add hwmon notification support
      ACPI: fan: Add support for Microsoft fan extensions

Chu Guangqing (2):
      ACPI: LPSS: Fix a spelling mistake
      ACPI: PM: Fix a spelling mistake

Cryolitia PukNgae (1):
      ACPICA: Avoid walking the Namespace if start_node is NULL

David Laight (1):
      ACPI: property: use min() instead of min_t()

Haotian Zhang (1):
      ACPI: property: Fix fwnode refcount leak in
acpi_fwnode_graph_parse_endpoint()

Huisong Li (2):
      ACPI: processor: idle: Relocate state flags initialization
      ACPI: processor: idle: Drop redundant C-state count checks

Kaushlendra Kumar (1):
      ACPI: DPTF: Use ACPI_FREE() for ACPI buffer deallocation

Malaya Kumar Rout (1):
      ACPI: tools: pfrut: fix memory leak and resource leak in pfrut.c

Marco Crivellari (5):
      ACPI: scan: replace use of system_unbound_wq with system_dfl_wq
      ACPI: OSL: replace use of system_wq with system_percpu_wq
      ACPI: EC: Add WQ_PERCPU to alloc_workqueue() users
      ACPI: OSL: Add WQ_PERCPU to alloc_workqueue() users
      ACPI: thermal: Add WQ_PERCPU to alloc_workqueue() users

Rafael J. Wysocki (6):
      ACPI: PM: s2idle: Drop acpi_get_lps0_constraint()
      ACPI: PM: s2idle: Staticise LPS0 callback functions
      ACPI: PM: s2idle: Only retrieve constraints when needed
      ACPI: battery: Drop redundant locking
      ACPI: TAD: Rearrange runtime PM operations in acpi_tad_remove()
      ACPI: TAD: Improve runtime PM using guard macros

René Rebe (2):
      PNP: Fix ISAPNP to generate uevents to auto-load modules
      ACPI: processor_core: fix map_x2apic_id for amd-pstate on am4

Sakari Ailus (3):
      ACPI: property: Make acpi_get_next_subnode() static
      ACPI: property: Use ACPI functions in acpi_graph_get_next_endpoint() only
      ACPI: property: Rework acpi_graph_get_next_endpoint()

Siyuan Huang (1):
      rust: acpi: replace `core::mem::zeroed` with `pin_init::zeroed`

---------------

 drivers/acpi/acpi_tad.c              |  73 ++++++------
 drivers/acpi/acpica/nswalk.c         |   9 +-
 drivers/acpi/battery.c               |  12 --
 drivers/acpi/dptf/dptf_pch_fivr.c    |   2 +-
 drivers/acpi/ec.c                    |   3 +-
 drivers/acpi/fan.h                   |  40 +++++++
 drivers/acpi/fan_core.c              | 223 ++++++++++++++++++++++++++++++++++-
 drivers/acpi/fan_hwmon.c             |  25 ++--
 drivers/acpi/osl.c                   |   6 +-
 drivers/acpi/processor_core.c        |   2 +-
 drivers/acpi/processor_idle.c        |  42 +++----
 drivers/acpi/property.c              |  29 +++--
 drivers/acpi/scan.c                  |   2 +-
 drivers/acpi/sleep.c                 |   2 +-
 drivers/acpi/sleep.h                 |   3 -
 drivers/acpi/thermal.c               |   3 +-
 drivers/acpi/x86/lpss.c              |   2 +-
 drivers/acpi/x86/s2idle.c            |  65 +++++-----
 drivers/pnp/driver.c                 |  19 +++
 include/linux/acpi.h                 |  15 ---
 rust/kernel/acpi.rs                  |   4 +-
 tools/power/acpi/tools/pfrut/pfrut.c |   7 +-
 22 files changed, 420 insertions(+), 168 deletions(-)

Re: [GIT PULL] ACPI support updates for v6.19-rc1

[pr-tracker-bot]

The pull request you sent on Fri, 28 Nov 2025 21:31:06 +0100:

> git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git acpi-6.19-rc1

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/959bfe496bbaf3daa5dca32d397e29ea12471779

Thank you!

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