auxiliary bus driver · Supported

Maintainers

• M Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• M "Rafael J. Wysocki" <rafael@kernel.org>
• M Danilo Krummrich <dakr@kernel.org>
• R Dave Ertman <david.m.ertman@intel.com>
• R Ira Weiny <iweiny@kernel.org>
• R Leon Romanovsky <leon@kernel.org>

Paths

• F Documentation/driver-api/auxiliary_bus.rst
• F drivers/base/auxiliary.c
• F include/linux/auxiliary_bus.h
• F rust/helpers/auxiliary.c
• F rust/kernel/auxiliary.rs
• F samples/rust/rust_driver_auxiliary.rs

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH v9 00/10] Fix missing fops.owner in Rust DRM/misc abstractions
  2026-07-23 02:11 · 1 reply in 7d · Alvin Sun <hidden>

Active reviewers (last 30 days)

• Gary Guo <gary@garyguo.net>
  4 attestations (2 Reviewed-by, 2 Suggested-by) · last on 2026-07-23
• Danilo Krummrich <dakr@kernel.org>
  2 attestations (2 Acked-by) · last on 2026-07-23
• Alice Ryhl <aliceryhl@google.com>
  1 attestation (1 Reviewed-by) · last on 2026-07-23

Recent patches

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

• WARM1d REVIEWED: 31 (31M) [PATCH v9 01/10] rust: module: move module types into `module.rs`
  2026-07-23 · Alvin Sun <hidden>
• COOLING12d REVIEWED: 19 (19M) [PATCH v8 01/10] rust: module: move module types into `module.rs`
  2026-07-13 · Alvin Sun <hidden>
• COLD27d [PATCH] rust: device_id: rename IdTable::as_ptr to as_raw_id_table()
  2026-07-02 · Alice Ryhl <aliceryhl@google.com>
• COOLING12d [PATCH v2 06/11] rust: driver: centralize device ID handling
  2026-06-29 · Gary Guo <gary@garyguo.net>
• COOLING12d [PATCH v2 08/11] rust: driver: store pointers in `DeviceId`
  2026-06-29 · Gary Guo <gary@garyguo.net>
• COOLING12d [PATCH v2 07/11] rust: driver: remove `$module_table_name` from `module_device_table`
  2026-06-29 · Gary Guo <gary@garyguo.net>
• COOLING12d [PATCH v2 03/11] rust: pci: use `Option<&IdInfo>` for device ID info
  2026-06-29 · Gary Guo <gary@garyguo.net>
• COLD30d REVIEWED: 12 (12M) [PATCH v7] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden>
• COLD30d REVIEWED: 12 (12M) [PATCH v6] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden>
• COLD31d REVIEWED: 12 (12M) [PATCH v5] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden>
• COLD32d REVIEWED: 15 (15M) [PATCH v7 01/10] rust: module: move module types into `module.rs`
  2026-06-27 · Alvin Sun <hidden>
• COLD17d REVIEWED: 9 (9M) [PATCH v4 4/7] rust: auxiliary: sample: demonstrate ForLt with invariant Mutex type
  2026-06-26 · Danilo Krummrich <dakr@kernel.org>
• COLD17d REVIEWED: 9 (9M) [PATCH v4 3/7] rust: auxiliary: add registration_data_with() for ForLt types
  2026-06-26 · Danilo Krummrich <dakr@kernel.org>
• COLD17d REVIEWED: 9 (9M) [PATCH v4 1/7] rust: types: rename ForLt to CovariantForLt
  2026-06-26 · Danilo Krummrich <dakr@kernel.org>
• COLD22d REVIEWED: 34 (33M) [PATCH v19 5/8] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-06-26 · Andreas Hindborg <a.hindborg@kernel.org>
• COLD33d REVIEWED: 34 (33M) [PATCH v18 5/8] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-06-25 · Andreas Hindborg <a.hindborg@kernel.org>
• COLD32d REVIEWED: 15 (15M) [PATCH v6 01/10] rust: module: move module types into `module.rs`
  2026-06-24 · Alvin Sun <hidden>
• COLD35d [PATCH v5 1/9] rust: module: move module types into `module.rs`
  2026-06-24 · Alvin Sun <hidden>
• COLD36d [PATCH v4 1/9] rust: module: move module types into `module.rs`
  2026-06-23 · Alvin Sun <hidden>
• COLD34d [PATCH v3 4/7] rust: auxiliary: sample: demonstrate ForLt with invariant Mutex type
  2026-06-18 · Danilo Krummrich <dakr@kernel.org>
• COLD34d [PATCH v3 3/7] rust: auxiliary: add registration_data_with() for ForLt types
  2026-06-18 · Danilo Krummrich <dakr@kernel.org>
• COLD34d [PATCH v3 1/7] rust: types: rename ForLt to CovariantForLt
  2026-06-18 · Danilo Krummrich <dakr@kernel.org>
• COLD39d [PATCH 06/10] rust: driver: remove `$module_table_name` from `module_device_table`
  2026-06-18 · Gary Guo <gary@garyguo.net>
• COLD39d [PATCH 05/10] rust: driver: centralize device ID handling
  2026-06-18 · Gary Guo <gary@garyguo.net>
• COLD39d [PATCH 07/10] rust: driver: store pointers in `DeviceId`
  2026-06-18 · Gary Guo <gary@garyguo.net>
• COLD39d [PATCH 03/10] rust: pci: use `Option<&IdInfo>` for device ID info
  2026-06-18 · Gary Guo <gary@garyguo.net>
• COLD34d REVIEWED: 34 (33M) [PATCH v17 06/10] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-06-04 · Andreas Hindborg <a.hindborg@kernel.org>
• COLD56d [PATCH v2 4/7] rust: auxiliary: sample: demonstrate ForLt with invariant Mutex type
  2026-06-03 · Danilo Krummrich <dakr@kernel.org>
• COLD56d [PATCH v2 3/7] rust: auxiliary: add registration_data_with() for ForLt types
  2026-06-03 · Danilo Krummrich <dakr@kernel.org>
• COLD56d [PATCH v2 1/7] rust: types: rename ForLt to CovariantForLt
  2026-06-03 · Danilo Krummrich <dakr@kernel.org>

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.

• STALE156d REVIEWED: 4 (4M) [PATCH V2] driver core: auxiliary bus: Fix sysfs creation on bind
  2026-02-19 · Tariq Toukan <tariqt@nvidia.com> · 1 Reviewed-by
• STALE62d REVIEWED: 24 (24M) [PATCH v5 03/24] rust: driver: move 'static bounds to constructor
  2026-05-25 · Danilo Krummrich <dakr@kernel.org> · 2 Reviewed-by
• STALE62d REVIEWED: 28 (28M) [PATCH v5 04/24] rust: driver: decouple driver private data from driver type
  2026-05-25 · Danilo Krummrich <dakr@kernel.org> · 3 Reviewed-by
• STALE62d REVIEWED: 28 (28M) [PATCH v5 08/24] rust: auxiliary: implement Sync for Device<Bound>
  2026-05-25 · Danilo Krummrich <dakr@kernel.org> · 3 Reviewed-by
• STALE62d REVIEWED: 25 (24M) [PATCH v5 11/24] rust: device: make Core and CoreInternal lifetime-parameterized
  2026-05-25 · Danilo Krummrich <dakr@kernel.org> · 3 Reviewed-by
• STALE62d REVIEWED: 24 (24M) [PATCH v5 12/24] rust: pci: make Driver trait lifetime-parameterized
  2026-05-25 · Danilo Krummrich <dakr@kernel.org> · 2 Reviewed-by
• STALE62d REVIEWED: 24 (24M) [PATCH v5 14/24] rust: auxiliary: make Driver trait lifetime-parameterized
  2026-05-25 · Danilo Krummrich <dakr@kernel.org> · 2 Reviewed-by
• STALE62d REVIEWED: 25 (24M) [PATCH v5 23/24] rust: auxiliary: generalize Registration over ForLt
  2026-05-25 · Danilo Krummrich <dakr@kernel.org> · 3 Reviewed-by
• STALE62d REVIEWED: 29 (28M) [PATCH v5 24/24] samples: rust: rust_driver_auxiliary: showcase lifetime-bound registration data
  2026-05-25 · Danilo Krummrich <dakr@kernel.org> · 4 Reviewed-by
• COLD31d REVIEWED: 12 (12M) [PATCH v5] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <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.

• STALE84d [PATCH 04/24] rust: device: generalize drvdata methods over ForLt
  2026-04-27 · Danilo Krummrich <dakr@kernel.org>
• STALE84d [PATCH 08/24] rust: auxiliary: implement Sync for Device<Bound>
  2026-04-27 · Danilo Krummrich <dakr@kernel.org>
• STALE84d [PATCH 11/24] rust: pci: make Driver trait lifetime-parameterized
  2026-04-27 · Danilo Krummrich <dakr@kernel.org>
• STALE84d [PATCH 13/24] rust: auxiliary: make Driver trait lifetime-parameterized
  2026-04-27 · Danilo Krummrich <dakr@kernel.org>
• STALE84d [PATCH 14/24] rust: auxiliary: generalize Registration over ForLt
  2026-04-27 · Danilo Krummrich <dakr@kernel.org>
• STALE84d [PATCH 15/24] samples: rust: rust_driver_auxiliary: showcase lifetime-bound registration data
  2026-04-27 · Danilo Krummrich <dakr@kernel.org>
• STALE78d [PATCH v2 07/25] rust: auxiliary: implement Sync for Device<Bound>
  2026-05-06 · Danilo Krummrich <dakr@kernel.org>
• STALE78d [PATCH v2 10/25] rust: pci: make Driver trait lifetime-parameterized
  2026-05-06 · Danilo Krummrich <dakr@kernel.org>
• STALE78d [PATCH v2 12/25] rust: auxiliary: make Driver trait lifetime-parameterized
  2026-05-06 · Danilo Krummrich <dakr@kernel.org>
• STALE78d [PATCH v2 13/25] rust: auxiliary: generalize Registration over ForLt
  2026-05-06 · Danilo Krummrich <dakr@kernel.org>