acpi · Supported

Maintainers

• M "Rafael J. Wysocki" <rafael@kernel.org>
• R Len Brown <lenb@kernel.org>

Paths

• F Documentation/ABI/testing/configfs-acpi
• F Documentation/ABI/testing/sysfs-bus-acpi
• F Documentation/firmware-guide/acpi/
• F arch/x86/kernel/acpi/
• F arch/x86/pci/acpi.c
• F drivers/acpi/
• F drivers/pci/*/*acpi*
• F drivers/pci/*acpi*
• F drivers/pnp/pnpacpi/
• F include/acpi/
• F include/linux/acpi.h
• F include/linux/fwnode.h
• F include/linux/fw_table.h
• F lib/fw_table.c
• F rust/helpers/acpi.c
• F rust/kernel/acpi.rs
• F tools/power/acpi/

Last 30 days

Most active threads (last 7 days)

• WARM3d [PATCH v9 0/9] lan966x pci device: Add support for SFPs, PCI part
  2026-07-08 10:04 · 1 reply in 7d · Herve Codina <herve.codina@bootlin.com>

Active reviewers (last 30 days)

• Andy Shevchenko <andriy.shevchenko@linux.intel.com>
  2 attestations (2 Reviewed-by) · last on 2026-07-08
• Ulf Hansson <hidden>
  2 attestations (2 Reviewed-by) · last on 2026-07-08
• Charles Keepax <ckeepax@opensource.cirrus.com>
  2 attestations (2 Reviewed-by) · last on 2026-07-08

Recent patches

Most-recent 30 patches in this subsystem on linux-gpio (capped at 30), ordered by date desc.

• WARM3d REVIEWED: 12 (11M) [PATCH v9 1/9] driver core: fw_devlink: Introduce fw_devlink_set_device()
  2026-07-08 · Herve Codina <herve.codina@bootlin.com>
• COOLING9d REVIEWED: 12 (11M) [PATCH v8 1/8] driver core: fw_devlink: Introduce fw_devlink_set_device()
  2026-06-30 · Herve Codina <herve.codina@bootlin.com>
• COOLING5d [PATCH 31/32] treewide: convert rdmsrq() from a macro to an inline function
  2026-06-29 · Juergen Gross <jgross@suse.com>
• COLD50d REVIEWED: 7 (7M) [PATCH 2/2] spi: dw-mmio: Add ACPI ID LECA0002 for LECARC SoCs
  2026-05-21 · Thomas Lin <hidden>
• COLD37d REVIEWED: 11 (11M) [PATCH v4 3/3] i2c: designware: Add ACPI ID LECA0003 for LECARC SoCs
  2026-05-20 · Thomas Lin <hidden>
• COLD37d REVIEWED: 7 (7M) [PATCH v4 2/3] spi: dw-mmio: Add ACPI ID LECA0002 for LECARC SoCs
  2026-05-20 · Thomas Lin <hidden>
• COLD54d REVIEWED: 7 (7M) [PATCH v3 3/3] i2c: designware: Add ACPI ID LECA0003 for LECARC SoCs
  2026-05-18 · Thomas Lin <hidden>
• COLD54d REVIEWED: 7 (7M) [PATCH v3 2/3] spi: dw-mmio: Add ACPI ID LECA0002 for LECARC SoCs
  2026-05-18 · Thomas Lin <hidden>
• COLD54d [PATCH v2 3/3] i2c: designware: Add ACPI ID LECA0003 for LECARC SoCs
  2026-05-15 · Thomas Lin <hidden>
• COLD54d [PATCH v2 2/3] spi: dw-mmio: Add ACPI ID LECA0002 for LECARC SoCs
  2026-05-15 · Thomas Lin <hidden>
• COLD54d [PATCH 3/3] Add ACPI ID "LECA0003" for LECARC SoCs that integrate the DesignWare I2C controller.
  2026-05-14 · thomas <hidden>
• COLD54d [PATCH 2/3] Add ACPI ID "LECA0002" for LECARC SoCs. This ID requires a custom initialization function dw_spi_lecarc_init() that sets dws->dws.ip to DW_HSSI_ID.
  2026-05-14 · thomas <hidden>
• COLD57d [PATCH 2/3] spi: dw-mmio: Add LECARC ACPI ID and init hook
  2026-05-14 · thomas <hidden>
• COLD57d [PATCH 3/3] i2c: designware: Add LECARC ACPI ID
  2026-05-14 · thomas <hidden>
• COLD37d REVIEWED: 12 (11M) [PATCH v7 1/8] driver core: fw_devlink: Introduce fw_devlink_set_device()
  2026-05-11 · Herve Codina <herve.codina@bootlin.com>
• STALE64d [PATCH v4 1/6] ACPI: Move DEFINE_FREE(acpi_free) to global header
  2026-05-08 · Marco Scardovi <hidden>
• STALE64d [PATCH v3 1/6] ACPI: Move DEFINE_FREE(acpi_free) to global header
  2026-05-07 · Marco Scardovi <hidden>
• STALE64d [PATCH v5 1/2] ACPI: provide acpi_bus_find_device_by_name()
  2026-05-04 · Bartosz Golaszewski <hidden>
• STALE72d [PATCH v4 1/2] ACPI: provide acpi_bus_find_device_by_name()
  2026-04-30 · Bartosz Golaszewski <hidden>
• STALE74d [PATCH v3 1/2] ACPI: bus: export the acpi_bus_type symbol
  2026-04-27 · Bartosz Golaszewski <hidden>
• STALE75d [PATCH v2 3/4] ACPI: bus: export the acpi_bus_type symbol
  2026-04-02 · Bartosz Golaszewski <hidden>
• STALE65d REVIEWED: 12 (11M) [PATCH v6 06/27] driver core: fw_devlink: Introduce fw_devlink_set_device()
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE65d REVIEWED: 7 (6M) [PATCH v6 02/27] of: dynamic: Fix overlayed devices not probing because of fw_devlink
  2026-03-25 · Herve Codina <herve.codina@bootlin.com>
• STALE120d REVIEWED: 8 (7M) [PATCH v5 07/28] driver core: fw_devlink: Introduce fw_devlink_set_device()
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE120d [PATCH v5 03/28] of: dynamic: Fix overlayed devices not probing because of fw_devlink
  2026-02-27 · Herve Codina <herve.codina@bootlin.com>
• STALE136d [PATCH v2 1/2] driver core: make fwnode_is_primary() public
  2026-02-23 · Bartosz Golaszewski <hidden>
• STALE170d [PATCH v4 08/29] driver core: fw_devlink: Introduce fw_devlink_set_device()
  2025-10-15 · Herve Codina <herve.codina@bootlin.com>
• STALE170d [PATCH v4 03/29] of: dynamic: Fix overlayed devices not probing because of fw_devlink
  2025-10-15 · Herve Codina <herve.codina@bootlin.com>
• STALE285d REVIEWED: 40 (40M) [PATCH v3 04/12] ACPI: mipi-disco-img: Do not duplicate rotation info into swnodes
  2025-09-26 · Ricardo Ribalda <hidden>
• STALE374d [PATCH v1 1/1] Documentation: firmware-guide: gpio-properties: Spelling and style fixes
  2025-06-26 · Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• COLD54d REVIEWED: 7 (7M) [PATCH v3 2/3] spi: dw-mmio: Add ACPI ID LECA0002 for LECARC SoCs
  2026-05-18 · Thomas Lin <hidden> · 1 Reviewed-by
• COLD54d REVIEWED: 7 (7M) [PATCH v3 3/3] i2c: designware: Add ACPI ID LECA0003 for LECARC SoCs
  2026-05-18 · Thomas Lin <hidden> · 1 Reviewed-by
• COLD37d REVIEWED: 7 (7M) [PATCH v4 2/3] spi: dw-mmio: Add ACPI ID LECA0002 for LECARC SoCs
  2026-05-20 · Thomas Lin <hidden> · 1 Reviewed-by
• COLD50d REVIEWED: 7 (7M) [PATCH 2/2] spi: dw-mmio: Add ACPI ID LECA0002 for LECARC SoCs
  2026-05-21 · Thomas Lin <hidden> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE75d [PATCH v2 3/4] ACPI: bus: export the acpi_bus_type symbol
  2026-04-02 · Bartosz Golaszewski <hidden>
• STALE64d [PATCH v3 1/6] ACPI: Move DEFINE_FREE(acpi_free) to global header
  2026-05-07 · Marco Scardovi <hidden>
• COLD54d [PATCH 2/3] Add ACPI ID "LECA0002" for LECARC SoCs. This ID requires a custom initialization function dw_spi_lecarc_init() that sets dws->dws.ip to DW_HSSI_ID.
  2026-05-14 · thomas <hidden>
• COLD54d [PATCH 3/3] Add ACPI ID "LECA0003" for LECARC SoCs that integrate the DesignWare I2C controller.
  2026-05-14 · thomas <hidden>