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

Recent patches

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

• COLD19d [PATCH 7/8] mailbox: mpfs: add bounded wait for BUSY to clear before sending request
  2026-06-25 · Jamie Gibbons <hidden>
• COLD19d [PATCH 6/8] mailbox: mpfs-mbox: replace unbounded BUSY polling with bounded waits
  2026-06-25 · Jamie Gibbons <hidden>
• COLD41d [PATCH 4/4] mailbox: mpfs-mbox: support new syscon based devicetree configuration
  2026-05-18 · Jamie Gibbons <hidden>
• COLD41d [PATCH 3/4] mailbox: mpfs-mbox: fix driver bug and cleanup
  2026-05-18 · Jamie Gibbons <hidden>
• COLD41d [PATCH 2/4] mailbox: mpfs-mbox: fix Driver Model private data handling
  2026-05-18 · Jamie Gibbons <hidden>
• COLD41d [PATCH 1/4] mailbox: mpfs-mbox: fix MMIO mapping calculation
  2026-05-18 · Jamie Gibbons <hidden>
• STALE62d [PATCH 6/6] mailbox: stm32-ipcc: Staticize and constify driver ops
  2026-05-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE62d [PATCH 5/6] mailbox: sandbox: Staticize and constify driver ops
  2026-05-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE62d [PATCH 4/6] mailbox: renesas: Staticize and constify driver ops
  2026-05-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE62d [PATCH 2/6] mailbox: imx: Staticize and constify driver ops
  2026-05-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE62d [PATCH 3/6] mailbox: k3-sec-proxy: Staticize and constify driver ops
  2026-05-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE62d [PATCH 1/6] mailbox: apple: Staticize and constify driver ops
  2026-05-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE152d [PATCH v2 14/14] treewide: Clean up DECLARE_GLOBAL_DATA_PTR usage
  2026-02-09 · Peng Fan (OSS) <hidden>
• STALE165d [PATCH RESEND 14/14] treewide: Clean up DECLARE_GLOBAL_DATA_PTR usage
  2026-02-03 · Peng Fan (OSS) <hidden>
• STALE184d REVIEWED: 2 (2M) [PATCH v2 2/2] dm: core: Default to using DEVRES outside of xPL
  2025-12-27 · Tom Rini <hidden>
• STALE184d [PATCH 3/3] dm: core: Default to using DEVRES outside of xPL
  2025-12-19 · Tom Rini <hidden>
• DORMANTno replies [PATCH] mailbox: renesas: Add Renesas MFIS Multifunctional Interface mailbox driver
  2025-10-27 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE264d [PATCH] mailbox: Allow operation without .recv callback
  2025-10-27 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE342d [PATCH 3/6] mailbox: add PolarFire SoC mailbox driver
  2025-08-01 · Jamie Gibbons <hidden>
• STALE353d [PATCH] mailbox: zynqmp: Fix off by 1 errors
  2025-07-28 · Andrew Goodbody <hidden>
• STALE335d [PATCH 2/3] mailbox: zynqmp-ipi: Mark zynqmp_ipi_dest_mbox_ops as const
  2025-07-25 · Michal Simek <michal.simek@amd.com>
• STALE464d [PATCH v3 1/3] Kbuild: Always use $(PHASE_)
  2025-04-01 · Tom Rini <hidden>
• STALE493d [PATCH v2 1/3] Kbuild: Always use $(PHASE_)
  2025-03-12 · Tom Rini <hidden>
• STALE501d [RFC PATCH] Kbuild: Always use $(PHASE_)
  2025-03-04 · Tom Rini <hidden>
• STALE493d REVIEWED: 1 (0M) [PATCH v2] mailbox: add i.MX Messaging Unit (MU) driver
  2025-03-04 · Alice Guo (OSS) <hidden>
• STALE497d REVIEWED: 1 (0M) [PATCH v1] mailbox: add i.MX Messaging Unit (MU) driver
  2025-03-03 · Alice Guo (OSS) <hidden>
• STALE497d REVIEWED: 1 (0M) [PATCH v6 01/20] mailbox: add i.MX Messaging Unit (MU) driver
  2025-02-28 · Alice Guo (OSS) <hidden>
• STALE508d REVIEWED: 1 (0M) [PATCH v5 01/20] mailbox: add i.MX Messaging Unit (MU) driver
  2025-02-18 · Alice Guo (OSS) <hidden>
• STALE476d [PATCH 2/2] drivers: remove bogus DM_FLAG_PROBE_AFTER_BIND flags
  2025-01-17 · Caleb Connolly <hidden>
• STALE486d REVIEWED: 1 (0M) [PATCH v4 01/20] mailbox: add i.MX95 Messaging Unit (MU) driver
  2025-01-15 · Alice Guo <hidden>

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.

• STALE152d [PATCH v2 14/14] treewide: Clean up DECLARE_GLOBAL_DATA_PTR usage
  2026-02-09 · Peng Fan (OSS) <hidden>
• STALE62d [PATCH 3/6] mailbox: k3-sec-proxy: Staticize and constify driver ops
  2026-05-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE62d [PATCH 4/6] mailbox: renesas: Staticize and constify driver ops
  2026-05-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE62d [PATCH 5/6] mailbox: sandbox: Staticize and constify driver ops
  2026-05-07 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• COLD41d [PATCH 1/4] mailbox: mpfs-mbox: fix MMIO mapping calculation
  2026-05-18 · Jamie Gibbons <hidden>
• COLD41d [PATCH 2/4] mailbox: mpfs-mbox: fix Driver Model private data handling
  2026-05-18 · Jamie Gibbons <hidden>
• COLD41d [PATCH 3/4] mailbox: mpfs-mbox: fix driver bug and cleanup
  2026-05-18 · Jamie Gibbons <hidden>
• COLD41d [PATCH 4/4] mailbox: mpfs-mbox: support new syscon based devicetree configuration
  2026-05-18 · Jamie Gibbons <hidden>