[PATCH 1/2] dt-bindings: serial: fix regex pattern for matching serial node children

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The regular expression pattern for matching serial node children should
accept only nodes starting and ending with the set of words: bluetooth,
gnss, gps or mcu.  Add missing brackets to enforce such matching.

Fixes: 0c559bc8abfb ("dt-bindings: serial: restrict possible child node names")
Reported-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
Closes: https://lore.kernel.org/all/20231004170021.36b32465@aktux/
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/serial/serial.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/serial/serial.yaml b/Documentation/devicetree/bindings/serial/serial.yaml
index ea277560a596..5727bd549dec 100644
--- a/Documentation/devicetree/bindings/serial/serial.yaml
+++ b/Documentation/devicetree/bindings/serial/serial.yaml
@@ -96,7 +96,7 @@ then:
     rts-gpios: false
 
 patternProperties:
-  "^bluetooth|gnss|gps|mcu$":
+  "^(bluetooth|gnss|gps|mcu)$":
     if:
       type: object
     then:
-- 
2.34.1





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