linux-kernel - [PATCH 0/4] mailbox: sprd: add UMS9230 support and fix interrupt handling

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Message-Id: <20260110-ums9230-mailbox-v1-0-5941cab4f4e5@abscue.de>
Date: Sat, 10 Jan 2026 16:43:34 +0100
From: Otto Pflüger <otto.pflueger@...cue.de>
To: Jassi Brar <jassisinghbrar@...il.com>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 Otto Pflüger <otto.pflueger@...cue.de>
Subject: [PATCH 0/4] mailbox: sprd: add UMS9230 support and fix interrupt
 handling

Add support for the new mailbox revision in UMS9230 and fix issues with
interrupt handling that were observed on this SoC.

Signed-off-by: Otto Pflüger <otto.pflueger@...cue.de>
---
Otto Pflüger (4):
      dt-bindings: mailbox: sprd: add compatible for UMS9230
      mailbox: sprd: clear delivery flag before handling TX done
      mailbox: sprd: add support for mailbox revision 2
      mailbox: sprd: mask interrupts that are not handled

 .../devicetree/bindings/mailbox/sprd-mailbox.yaml  |   1 +
 drivers/mailbox/sprd-mailbox.c                     | 117 ++++++++++++++++-----
 2 files changed, 89 insertions(+), 29 deletions(-)
---
base-commit: f417b7ffcbef7d76b0d8860518f50dae0e7e5eda
change-id: 20250926-ums9230-mailbox-6a6e50486032

Best regards,
-- 
Otto Pflüger <otto.pflueger@...cue.de>