linux-kernel - [PATCH] dt-bindings: mailbox: arm,mhu: Make secure interrupt optional

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Message-Id: <20220728190810.1290857-1-robh@kernel.org>
Date:   Thu, 28 Jul 2022 13:08:10 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jassi Brar <jassisinghbrar@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Jassi Brar <jaswinder.singh@...aro.org>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH] dt-bindings: mailbox: arm,mhu: Make secure interrupt optional

The secure interrupt is only useful to secure world, therefore for NS
users it shouldn't be required. Make it optional.

This fixes a warning on Arm Juno board:

mhu@...f0000: interrupts: [[0, 36, 4], [0, 35, 4]] is too short

Signed-off-by: Rob Herring <robh@...nel.org>
---
 Documentation/devicetree/bindings/mailbox/arm,mhu.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/mailbox/arm,mhu.yaml b/Documentation/devicetree/bindings/mailbox/arm,mhu.yaml
index bd49c201477d..d9a4f4a02d7c 100644
--- a/Documentation/devicetree/bindings/mailbox/arm,mhu.yaml
+++ b/Documentation/devicetree/bindings/mailbox/arm,mhu.yaml
@@ -57,6 +57,7 @@ properties:
     maxItems: 1
 
   interrupts:
+    minItems: 2
     items:
       - description: low-priority non-secure
       - description: high-priority non-secure
-- 
2.34.1