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

Active reviewers (last 30 days)

• Danilo Krummrich <dakr@kernel.org>
  5 attestations (5 Acked-by) · last on 2026-07-13
• Alice Ryhl <aliceryhl@google.com>
  5 attestations (3 Reviewed-by, 2 Suggested-by) · last on 2026-06-28
• Gary Guo <gary@garyguo.net>
  4 attestations (3 Reviewed-by, 1 Suggested-by) · last on 2026-07-13
• Benno Lossin <lossin@kernel.org>
  3 attestations (3 Suggested-by) · last on 2026-06-28
• Daniel Almeida <daniel.almeida@collabora.com>
  2 attestations (2 Reviewed-by) · last on 2026-06-26
• Igor Korotin <hidden>
  2 attestations (2 Acked-by) · last on 2026-06-26
• Viresh Kumar <viresh.kumar@linaro.org>
  2 attestations (2 Acked-by) · last on 2026-06-26
• Andreas Hindborg <a.hindborg@kernel.org>
  2 attestations (2 Co-developed-by) · last on 2026-06-26

Recent patches

Most-recent 25 patches in this subsystem on linux-block, ordered by date desc.

• COOLING4d REVIEWED: 19 (19M) [PATCH v8 01/10] rust: module: move module types into `module.rs`
  2026-07-13 · Alvin Sun <hidden>
• COLD23d REVIEWED: 12 (12M) [PATCH v7] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden>
• COLD22d REVIEWED: 12 (12M) [PATCH v6] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden>
• COLD23d REVIEWED: 12 (12M) [PATCH v5] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden>
• COLD24d REVIEWED: 15 (15M) [PATCH v7 01/10] rust: module: move module types into `module.rs`
  2026-06-27 · Alvin Sun <hidden>
• COOLING14d REVIEWED: 34 (33M) [PATCH v19 5/8] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-06-26 · Andreas Hindborg <a.hindborg@kernel.org>
• COLD26d REVIEWED: 34 (33M) [PATCH v18 5/8] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-06-25 · Andreas Hindborg <a.hindborg@kernel.org>
• COLD24d REVIEWED: 15 (15M) [PATCH v6 01/10] rust: module: move module types into `module.rs`
  2026-06-24 · Alvin Sun <hidden>
• COLD27d [PATCH v5 1/9] rust: module: move module types into `module.rs`
  2026-06-24 · Alvin Sun <hidden>
• COLD28d [PATCH v4 1/9] rust: module: move module types into `module.rs`
  2026-06-23 · Alvin Sun <hidden>
• COLD27d REVIEWED: 34 (33M) [PATCH v17 06/10] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-06-04 · Andreas Hindborg <a.hindborg@kernel.org>
• STALE141d REVIEWED: 34 (33M) [PATCH v16 03/10] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-02-24 · Andreas Hindborg <a.hindborg@kernel.org>
• STALE147d REVIEWED: 34 (33M) [PATCH v15 2/9] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-02-20 · Andreas Hindborg <a.hindborg@kernel.org>
• STALE165d REVIEWED: 7 (7M) [PATCH v14 2/9] rust: rename `AlwaysRefCounted` to `RefCounted`.
  2026-02-04 · Andreas Hindborg <a.hindborg@kernel.org>
• STALE169d [PATCH v13 2/4] rust: `AlwaysRefCounted` is renamed to `RefCounted`.
  2025-11-17 · Oliver Mangold <hidden>
• STALE264d [PATCH v12 2/4] `AlwaysRefCounted` is renamed to `RefCounted`.
  2025-10-01 · Oliver Mangold <hidden>
• STALE211d REVIEWED: 47 (47M) [PATCH v2 03/19] rust: auxiliary: replace `kernel::c_str!` with C-Strings
  2025-09-25 · Tamir Duberstein <hidden>
• STALE340d REVIEWED: 47 (47M) [PATCH v2 03/19] rust: auxiliary: replace `kernel::c_str!` with C-Strings
  2025-08-13 · Tamir Duberstein <hidden>
• STALE350d REVIEWED: 30 (30M) [PATCH 03/17] rust: auxiliary: replace `kernel::c_str!` with C-Strings
  2025-07-10 · Tamir Duberstein <hidden>
• STALE381d REVIEWED: 35 (35M) [PATCH v13 5/5] rust: remove core::ffi::CStr reexport
  2025-07-01 · Tamir Duberstein <hidden>
• STALE381d REVIEWED: 30 (30M) [PATCH v13 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-07-01 · Tamir Duberstein <hidden>
• STALE381d REVIEWED: 30 (30M) [PATCH v13 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-07-01 · Tamir Duberstein <hidden>
• STALE385d [PATCH v12 5/5] rust: remove core::ffi::CStr reexport
  2025-06-19 · Tamir Duberstein <hidden>
• STALE385d [PATCH v12 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-06-19 · Tamir Duberstein <hidden>
• STALE385d [PATCH v12 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-06-19 · Tamir Duberstein <hidden>

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.

• COLD23d REVIEWED: 12 (12M) [PATCH v5] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden> · 1 Reviewed-by
• COLD22d REVIEWED: 12 (12M) [PATCH v6] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden> · 1 Reviewed-by
• COLD23d REVIEWED: 12 (12M) [PATCH v7] rust: aref: make `AlwaysRefCounted::inc_ref` an associated function
  2026-06-28 · Trevor Chan <hidden> · 1 Reviewed-by