driver core, kobjects, debugfs and sysfs · Supported

Maintainers

• M Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• M "Rafael J. Wysocki" <rafael@kernel.org>
• M Danilo Krummrich <dakr@kernel.org>

Paths

• F Documentation/core-api/kobject.rst
• F Documentation/driver-api/driver-model/
• F drivers/base/
• F fs/debugfs/
• F fs/sysfs/
• F include/linux/device/
• F include/linux/debugfs.h
• F include/linux/device.h
• F include/linux/fwnode.h
• F include/linux/kobj*
• F include/linux/ksysfs.h
• F include/linux/property.h
• F include/linux/sysfs.h
• F kernel/ksysfs.c
• F lib/kobj*
• F rust/kernel/debugfs.rs
• F rust/kernel/debugfs/
• F rust/kernel/device.rs
• F rust/kernel/device/
• F rust/kernel/device_id.rs
• F rust/kernel/devres.rs
• F rust/kernel/driver.rs
• F rust/kernel/faux.rs
• F rust/kernel/platform.rs
• F rust/kernel/soc.rs
• F samples/rust/rust_debugfs.rs
• F samples/rust/rust_debugfs_scoped.rs
• F samples/rust/rust_driver_platform.rs
• F samples/rust/rust_driver_faux.rs
• F samples/rust/rust_soc.rs

Last 30 days

Most active threads (last 7 days)

• COOLING5d [PATCH v2] driver core: platform: Setup device MSI domain just before driver probe
  2026-07-27 08:40 · 0 replies in 7d · Anup Patel <hidden>

Active reviewers (last 30 days)

• Andy Shevchenko <andriy.shevchenko@linux.intel.com>
  12 attestations (12 Reviewed-by) · last on 2026-07-24
• Bartosz Golaszewski <hidden>
  8 attestations (8 Reviewed-by) · last on 2026-07-24
• Manuel Ebner <hidden>
  2 attestations (1 Reviewed-by, 1 Suggested-by) · last on 2026-07-06
• Sunil V L <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-07-27

Recent patches

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

• COOLING5d [PATCH v2] driver core: platform: Setup device MSI domain just before driver probe
  2026-07-27 · Anup Patel <hidden>
• COOLING8d REVIEWED: 8 (7M) [PATCH v7 02/16] device property: Add fwnode_graph_get_next_port_endpoint()
  2026-07-24 · Chen-Yu Tsai <wenst@chromium.org>
• COOLING8d REVIEWED: 8 (7M) [PATCH v7 01/16] device property: Add fwnode_graph_get_port_by_id()
  2026-07-24 · Chen-Yu Tsai <wenst@chromium.org>
• COOLING4d [PATCH net-next 1/7] clk: Add devm_clk_bulk_get_enable()
  2026-07-23 · Suraj Gupta <hidden>
• COOLING4d [PATCH RFC 2/2] regmap: implement no-sequential-read firmware property
  2026-07-22 · Richard Leitner <hidden>
• COOLING11d [PATCH v6 2/2] device property: add test cases for fwnode_for_each_child_node()
  2026-07-21 · Xu Yang <hidden>
• WARM1d REVIEWED: 8 (7M) [PATCH v6 02/16] device property: Add fwnode_graph_get_next_port_endpoint()
  2026-07-21 · Chen-Yu Tsai <wenst@chromium.org>
• WARM1d REVIEWED: 8 (7M) [PATCH v6 01/16] device property: Add fwnode_graph_get_port_by_id()
  2026-07-21 · Chen-Yu Tsai <wenst@chromium.org>
• COOLING11d [PATCH v5 2/2] device property: add test cases for fwnode_for_each_child_node()
  2026-07-20 · Xu Yang <hidden>
• COOLING13d REVIEWED: 8 (7M) [PATCH v5 02/16] device property: Add fwnode_graph_get_next_port_endpoint()
  2026-07-15 · Chen-Yu Tsai <wenst@chromium.org>
• COOLING13d REVIEWED: 8 (7M) [PATCH v5 01/16] device property: Add fwnode_graph_get_port_by_id()
  2026-07-15 · Chen-Yu Tsai <wenst@chromium.org>
• COLD19d REVIEWED: 8 (7M) [PATCH v4 02/14] device property: Add fwnode_graph_get_next_port_endpoint()
  2026-07-09 · Chen-Yu Tsai <wenst@chromium.org>
• COLD19d REVIEWED: 8 (7M) [PATCH v4 01/14] device property: Add fwnode_graph_get_port_by_id()
  2026-07-09 · Chen-Yu Tsai <wenst@chromium.org>
• COLD19d REVIEWED: 7 (7M) [PATCH v3 20/20] driver core: platform: count references to all kinds of firmware nodes
  2026-07-06 · Bartosz Golaszewski <hidden>
• COLD19d [PATCH v3 05/20] driver core: update kerneldoc for platform_device_alloc()
  2026-07-06 · Bartosz Golaszewski <hidden>
• COLD19d REVIEWED: 7 (7M) [PATCH v3 04/20] driver core: platform: provide platform_device_set_of_node_from_dev()
  2026-07-06 · Bartosz Golaszewski <hidden>
• COLD19d REVIEWED: 7 (7M) [PATCH v3 03/20] driver core: platform: provide platform_device_set_fwnode()
  2026-07-06 · Bartosz Golaszewski <hidden>
• COLD19d REVIEWED: 8 (7M) [PATCH v3 02/20] driver core: platform: provide platform_device_set_of_node()
  2026-07-06 · Bartosz Golaszewski <hidden>
• COLD25d Re: [PATCH v3 02/13] device property: Add fwnode_graph_get_next_port_endpoint()
  2026-07-03 · sashiko-bot@kernel.org
• COLD25d [PATCH v3 02/13] device property: Add fwnode_graph_get_next_port_endpoint()
  2026-07-03 · Chen-Yu Tsai <wenst@chromium.org>
• COLD25d REVIEWED: 8 (7M) [PATCH v3 01/13] device property: Add fwnode_graph_get_port_by_id()
  2026-07-03 · Chen-Yu Tsai <wenst@chromium.org>
• COLD26d REVIEWED: 5 (5M) [PATCH v7 1/4] firmware_loader: expand firmware error codes with up-to-date error
  2026-07-02 · Marco Felsch <hidden>
• COLD30d REVIEWED: 5 (5M) [PATCH v6 1/4] firmware_loader: expand firmware error codes with up-to-date error
  2026-07-02 · Marco Felsch <hidden>
• WARM1d [PATCH v2 06/11] rust: driver: centralize device ID handling
  2026-06-29 · Gary Guo <gary@garyguo.net>
• WARM1d [PATCH v2 08/11] rust: driver: store pointers in `DeviceId`
  2026-06-29 · Gary Guo <gary@garyguo.net>
• WARM1d [PATCH v2 07/11] rust: driver: remove `$module_table_name` from `module_device_table`
  2026-06-29 · Gary Guo <gary@garyguo.net>
• WARM1d [PATCH v2 02/11] rust: driver: simplify `IdArray::new_without_index`
  2026-06-29 · Gary Guo <gary@garyguo.net>
• WARM1d [PATCH v2 09/11] rust: driver: remove open-coded matching logic
  2026-06-29 · Gary Guo <gary@garyguo.net>
• WARM1d [PATCH v2 11/11] RFC: rust: driver: support map-like syntax for ID table
  2026-06-29 · Gary Guo <gary@garyguo.net>
• WARM1d [PATCH v2 10/11] rust: driver: remove duplicate ID table
  2026-06-29 · Gary Guo <gary@garyguo.net>

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.

• STALE96d REVIEWED: 5 (5M) [PATCH v2 3/9] base: soc: order includes alphabetically
  2026-02-23 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE96d REVIEWED: 5 (5M) [PATCH v2 4/9] base: soc: rename and export soc_device_get_machine()
  2026-02-23 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• STALE131d REVIEWED: 5 (5M) [PATCH v6 1/4] firmware_loader: expand firmware error codes with up-to-date error
  2026-03-03 · Marco Felsch <hidden> · 2 Reviewed-by
• STALE74d REVIEWED: 19 (18M) [PATCH v7 3/3] driver core: Avoid warning when removing a device while its supplier is unbinding
  2026-05-11 · Herve Codina <herve.codina@bootlin.com> · 2 Reviewed-by
• COLD30d REVIEWED: 5 (5M) [PATCH v6 1/4] firmware_loader: expand firmware error codes with up-to-date error
  2026-07-02 · Marco Felsch <hidden> · 2 Reviewed-by
• COLD26d REVIEWED: 5 (5M) [PATCH v7 1/4] firmware_loader: expand firmware error codes with up-to-date error
  2026-07-02 · Marco Felsch <hidden> · 2 Reviewed-by
• COLD19d REVIEWED: 7 (7M) [PATCH v3 03/20] driver core: platform: provide platform_device_set_fwnode()
  2026-07-06 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• COLD19d REVIEWED: 8 (7M) [PATCH v3 02/20] driver core: platform: provide platform_device_set_of_node()
  2026-07-06 · Bartosz Golaszewski <hidden> · 2 Reviewed-by
• COLD19d REVIEWED: 7 (7M) [PATCH v3 04/20] driver core: platform: provide platform_device_set_of_node_from_dev()
  2026-07-06 · Bartosz Golaszewski <hidden> · 1 Reviewed-by
• COLD19d REVIEWED: 7 (7M) [PATCH v3 20/20] driver core: platform: count references to all kinds of firmware nodes
  2026-07-06 · Bartosz Golaszewski <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.

• STALE141d [PATCH v3 1/7] rust: Add `parent_unchecked` function to `Device`
  2026-03-13 · Markus Probst <hidden>
• STALE141d [PATCH v3 2/7] rust: add basic mfd abstractions
  2026-03-13 · Markus Probst <hidden>
• STALE130d [PATCH v3 1/7] rust: Add `parent_unchecked` function to `Device`
  2026-03-13 · Markus Probst via B4 Relay <devnull+markus.probst.posteo.de@kernel.org>
• STALE130d [PATCH v3 2/7] rust: add basic mfd abstractions
  2026-03-13 · Markus Probst via B4 Relay <devnull+markus.probst.posteo.de@kernel.org>
• COLD33d [RFC 07/12] ACPI: Make device_match_acpi_handle() also check the secondary fwnode
  2026-06-23 · Hans de Goede <hidden>
• COLD31d [PATCH v2 03/19] driver core: platform: provide platform_device_set_fwnode()
  2026-06-29 · Bartosz Golaszewski <hidden>
• COLD31d [PATCH v2 04/19] driver core: platform: provide platform_device_set_of_node_from_dev()
  2026-06-29 · Bartosz Golaszewski <hidden>