mailbox api · Maintained

Maintainers

• M Jassi Brar <jassisinghbrar@gmail.com>

Paths

• F Documentation/devicetree/bindings/mailbox/
• F drivers/mailbox/
• F include/dt-bindings/mailbox/
• F include/linux/mailbox_client.h
• F include/linux/mailbox_controller.h

Last 30 days

Active reviewers (last 30 days)

• Sunil V L <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-05-26

Recent patches

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

• COLD15d [PATCH] driver core: platform: Setup device MSI domain just before driver probe
  2026-05-26 · Anup Patel <hidden>
• COLD31d [PATCH v1] mailbox: mpfs: fix check for syscon presence in mpfs_mbox_inbox_isr()
  2026-05-14 · Conor Dooley <conor@kernel.org>
• STALE150d [PATCH v2] mailbox: Improve RISCV_SBI_MPXY_MBOX guidance
  2026-01-15 · Geert Uytterhoeven <geert+renesas@glider.be>
• STALE212d [PATCH v1 2/2] mailbox: mpfs: drop POLARFIRE from ARCH_MICROCHIP_POLARFIRE
  2025-11-17 · Conor Dooley <conor@kernel.org>
• STALE212d [PATCH v1 1/2] dt-bindings: mbox: add pic64gx mailbox compatibility to mpfs mailbox
  2025-11-17 · Conor Dooley <conor@kernel.org>
• STALE199d [PATCH] mailbox: th1520: fix clock imbalance on probe failure
  2025-10-17 · Johan Hovold <johan@kernel.org>
• STALE261d [PATCH] mailbox: RISCV_SBI_MPXY_MBOX should be disabled by default
  2025-09-30 · Geert Uytterhoeven <geert+renesas@glider.be>
• STALE265d LANDED: 2 (2M) [PATCH v10 21/24] mailbox/riscv-sbi-mpxy: Add ACPI support
  2025-08-18 · Anup Patel <hidden>
• STALE265d LANDED: 2 (2M) [PATCH v10 07/24] mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver
  2025-08-18 · Anup Patel <hidden>
• STALE265d LANDED: 9 (9M) [PATCH v10 05/24] mailbox: Allow controller specific mapping using fwnode
  2025-08-18 · Anup Patel <hidden>
• STALE265d LANDED: 3 (3M) [PATCH v10 02/24] dt-bindings: mailbox: Add bindings for RISC-V SBI MPXY extension
  2025-08-18 · Anup Patel <hidden>
• STALE265d LANDED: 3 (3M) [PATCH v10 01/24] dt-bindings: mailbox: Add bindings for RPMI shared memory transport
  2025-08-18 · Anup Patel <hidden>
• STALE307d [RFC PATCH 1/4] dt-bindings: mailbox: thead,th1520-mbox: retrofit for other mailboxes
  2025-08-14 · Icenowy Zheng <hidden>
• STALE315d REVIEWED: 2 (2M) [PATCH v9 21/24] mailbox/riscv-sbi-mpxy: Add ACPI support
  2025-07-28 · Anup Patel <hidden>
• STALE315d REVIEWED: 2 (2M) [PATCH v9 07/24] mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver
  2025-07-28 · Anup Patel <hidden>
• STALE315d REVIEWED: 9 (9M) [PATCH v9 05/24] mailbox: Allow controller specific mapping using fwnode
  2025-07-28 · Anup Patel <hidden>
• STALE315d REVIEWED: 3 (3M) [PATCH v9 02/24] dt-bindings: mailbox: Add bindings for RISC-V SBI MPXY extension
  2025-07-28 · Anup Patel <hidden>
• STALE315d REVIEWED: 3 (3M) [PATCH v9 01/24] dt-bindings: mailbox: Add bindings for RPMI shared memory transport
  2025-07-28 · Anup Patel <hidden>
• STALE321d [PATCH v8 21/24] mailbox/riscv-sbi-mpxy: Add ACPI support
  2025-07-04 · Anup Patel <hidden>
• STALE321d [PATCH v8 07/24] mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver
  2025-07-04 · Anup Patel <hidden>
• STALE321d [PATCH v8 05/24] mailbox: Allow controller specific mapping using fwnode
  2025-07-04 · Anup Patel <hidden>
• STALE321d REVIEWED: 3 (3M) [PATCH v8 02/24] dt-bindings: mailbox: Add bindings for RISC-V SBI MPXY extension
  2025-07-04 · Anup Patel <hidden>
• STALE321d REVIEWED: 3 (3M) [PATCH v8 01/24] dt-bindings: mailbox: Add bindings for RPMI shared memory transport
  2025-07-04 · Anup Patel <hidden>
• STALE349d [PATCH v7 21/24] mailbox/riscv-sbi-mpxy: Add ACPI support
  2025-07-02 · Anup Patel <hidden>
• STALE349d [PATCH v7 07/24] mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver
  2025-07-02 · Anup Patel <hidden>
• STALE349d [PATCH v7 05/24] mailbox: Allow controller specific mapping using fwnode
  2025-07-02 · Anup Patel <hidden>
• STALE349d REVIEWED: 3 (3M) [PATCH v7 02/24] dt-bindings: mailbox: Add bindings for RISC-V SBI MPXY extension
  2025-07-02 · Anup Patel <hidden>
• STALE349d REVIEWED: 3 (3M) [PATCH v7 01/24] dt-bindings: mailbox: Add bindings for RPMI shared memory transport
  2025-07-02 · Anup Patel <hidden>
• STALE351d [PATCH v6 20/23] mailbox/riscv-sbi-mpxy: Add ACPI support
  2025-06-18 · Anup Patel <hidden>
• STALE351d [PATCH v6 06/23] mailbox: Add RISC-V SBI message proxy (MPXY) based mailbox driver
  2025-06-18 · Anup Patel <hidden>