← All active subsystems in linux-devicetree

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

Most active threads (last 7 days)

• HOTtoday [PATCH RFC 00/18] riscv: add initial Zhihe A210 support using SCMI clocks and resets
  2026-10-27 15:37 · 2 replies in 7d · Han Gao via B4 Relay <devnull+gaohan.iscas.ac.cn@kernel.org>
• HOTtoday [PATCH v6 00/11] Add Initial Support For MSM8952, Add General Mobile Shamrock
  2026-10-28 11:19 · 1 reply in 7d · Muzaffer Kadir via B4 Relay <devnull+muzafferkadir.mainlining.org@kernel.org>
• COOLING5d [PATCH v2 0/4] mailbox: Improve the mbox core then introduce the goog-mba driver
  2026-10-23 23:54 · 1 reply in 7d · Douglas Anderson <dianders@chromium.org>

Active reviewers (last 30 days)

• Krzysztof Kozlowski <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-10-03

Recent patches

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

• HOTtoday [PATCH v6 05/11] dt-bindings: mailbox: qcom: Add MSM8952 APCS compatible
  2026-10-28 · Muzaffer Kadir via B4 Relay <devnull+muzafferkadir.mainlining.org@kernel.org>
• HOTtoday [PATCH RFC 05/18] mailbox: add A210 AP to E902 doorbell support
  2026-10-27 · Han Gao via B4 Relay <devnull+gaohan.iscas.ac.cn@kernel.org>
• HOTtoday [PATCH RFC 04/18] dt-bindings: mailbox: add the A210 AP to E902 doorbell
  2026-10-27 · Han Gao via B4 Relay <devnull+gaohan.iscas.ac.cn@kernel.org>
• COOLING5d [PATCH v2 3/4] dt-bindings: mailbox: goog-mba: Add goog-mba mailbox bindings
  2026-10-23 · Douglas Anderson <dianders@chromium.org>
• COOLING12d [PATCH 4/6] mailbox: Add AMD PL Mailbox soft IP controller
  2026-10-14 · Ben Levinsky <hidden>
• COOLING12d [PATCH 3/6] dt-bindings: mailbox: Add AMD PL Mailbox IP
  2026-10-14 · Ben Levinsky <hidden>
• COLD20d [PATCH RFC v2 02/10] mailbox: mpxy: add direct synchronous send
  2026-10-08 · Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com>
• COLD20d [PATCH RFC v2 01/10] mailbox: add direct synchronous send support
  2026-10-08 · Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com>
• WARM1d REVIEWED: 1 (0M) [PATCH v2 02/11] dt-bindings: mailbox: qcom: Add SDM670 APCS compatible
  2026-10-03 · Richard Acayan <hidden>
• COLD17d [PATCH] dt-bindings: mailbox: Convert hisilicon,hi6220-mbox to DT schema
  2026-10-01 · Rob Herring (Arm) <robh@kernel.org>
• COLD17d [PATCH] dt-bindings: mailbox: Convert hisilicon,hi3660-mbox to DT schema
  2026-10-01 · Rob Herring (Arm) <robh@kernel.org>
• COLD17d [PATCH 1/2] dt-bindings: mailbox: ti,secure-proxy: Add TDA54 variant compatible
  2026-09-30 · Beleswar Padhi <hidden>
• COLD29d SUPERSEDED [PATCH RFC 02/10] mailbox: mpxy: add direct synchronous send
  2026-09-29 · Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com>
• COLD29d SUPERSEDED [PATCH RFC 01/10] mailbox: add direct synchronous send support
  2026-09-29 · Amirreza Zarrabi <amirreza.zarrabi@oss.qualcomm.com>
• COLD27d [PATCH v2 3/7] mailbox: sun55i: add KUnit test suite for sun55i msgbox driver
  2026-09-27 · Tim Michals <hidden>
• COLD27d [PATCH v2 2/7] mailbox: sun55i: add Allwinner sun55i/sun60i 4-port Message Box driver
  2026-09-27 · Tim Michals <hidden>
• COLD27d [PATCH v2 1/7] dt-bindings: mailbox: add Allwinner sun55i msgbox schema
  2026-09-27 · Tim Michals <hidden>
• COLD22d REVIEWED: 1 (1M) [PATCH v4 01/10] dt-bindings: mailbox: apple: Add M3 ASC mailbox compatibles
  2026-09-25 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• COLD22d [PATCH v4 02/10] dt-bindings: mailbox: apple: Add DockChannel mailbox
  2026-09-25 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• COLD22d [PATCH v4 05/10] mailbox: apple: Add DockChannel FIFO controller
  2026-09-25 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• COLD29d [PATCH 2/7] dt-bindings: mailbox: Add Apple M3 compatibles
  2026-09-25 · Janne Grunau <j@jannau.net>
• COLD36d [PATCH 1/7] dt-bindings: mailbox: add Allwinner sun55i msgbox schema
  2026-09-22 · Tim Michals <hidden>
• COLD27d SUPERSEDED [PATCH 02/11] dt-bindings: mailbox: qcom: Add SDM670 APCS compatible
  2026-09-22 · Richard Acayan <hidden>
• COLD40d SUPERSEDED: 1 (1M) [PATCH v3 01/10] dt-bindings: mailbox: apple: Add M3 ASC mailbox compatibles
  2026-09-18 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• COLD40d SUPERSEDED: 1 (1M) [PATCH v3 02/10] dt-bindings: mailbox: apple: Add DockChannel mailbox
  2026-09-18 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• COLD40d SUPERSEDED [PATCH v3 05/10] mailbox: apple: Add DockChannel FIFO controller
  2026-09-18 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• COLD40d SUPERSEDED [PATCH v2 05/10] mailbox: apple: Add DockChannel FIFO controller
  2026-09-18 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• COLD40d SUPERSEDED: 1 (1M) [PATCH v2 01/10] dt-bindings: mailbox: apple: Add M3 ASC mailbox compatibles
  2026-09-18 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• COLD40d SUPERSEDED: 1 (1M) [PATCH v2 02/10] dt-bindings: mailbox: apple: Add DockChannel mailbox
  2026-09-18 · Michael Reeves via B4 Relay <devnull+michael.reeves077.gmail.com@kernel.org>
• COLD41d Re: [PATCH RFC 5/5] dt-bindings: tee: add RISC-V RPMI TEE transport
  2026-09-17 · Anup Patel <anup@brainfault.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.

• STALE76d REVIEWED: 3 (2M) [PATCH v4 1/2] dt-bindings: mailbox: google,gs101-mbox: Add samsung,exynos850-mbox +1 more in this series
  2026-07-09 · Alexey Klimov <alexey.klimov@linaro.org> · 3 Reviewed-by
• STALE89d REVIEWED: 1 (0M) [PATCH v4 5/5] dt-bindings: mailbox: qcom: Document Maili CPUCP mailbox controller +4 more in this series
  2026-07-30 · Taniya Das <hidden> · 1 Reviewed-by
• WARM1d REVIEWED: 1 (0M) [PATCH v2 02/11] dt-bindings: mailbox: qcom: Add SDM670 APCS compatible +10 more in this series
  2026-10-03 · Richard Acayan <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.

• STALE205d [PATCH RFC 1/3] dt-bindings: dsp: fsl,dsp: drop references to SOF programming model +2 more in this series
  2026-04-06 · Laurentiu Mihalcea <hidden>
• COLD17d [PATCH v2 1/3] dt-bindings: mailbox: mediatek,gce-mailbox: add mt6572 +2 more in this series
  2026-09-07 · Roman Vivchar via B4 Relay <devnull+rva333.protonmail.com@kernel.org>
• DORMANTno replies [PATCH] dt-bindings: Use consistent indentation in the example
  2026-09-13 · Krzysztof Kozlowski <hidden>