linux-kernel - [PATCH] ASoC: dt-bindings: stm32: Ensure compatible pattern matches whole string

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Date: Mon, 20 May 2024 17:27:05 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Olivier Moysan <olivier.moysan@...s.st.com>,
	Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc: alsa-devel@...a-project.org,
	linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: dt-bindings: stm32: Ensure compatible pattern matches whole string

The compatible pattern "st,stm32-sai-sub-[ab]" is missing starting and
ending anchors, so any prefix and/or suffix would still be valid.

This also fixes a warning on the example:

Documentation/devicetree/bindings/sound/st,stm32-sai.example.dtb: /example-0/sai@...0b000/audio-controller@...0b004: failed to match any schema with compatible: ['st,stm32-sai-sub-a']

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 Documentation/devicetree/bindings/sound/st,stm32-sai.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml b/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml
index 59df8a832310..f555ccd6b00a 100644
--- a/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml
+++ b/Documentation/devicetree/bindings/sound/st,stm32-sai.yaml
@@ -68,7 +68,7 @@ patternProperties:
     properties:
       compatible:
         description: Compatible for SAI sub-block A or B.
-        pattern: "st,stm32-sai-sub-[ab]"
+        pattern: "^st,stm32-sai-sub-[ab]$"
 
       "#sound-dai-cells":
         const: 0
-- 
2.43.0