linux-kernel - Re: [PATCH 1/1] dt-bindings: mmc: Change to additionalProperties to fix fail detect Unevaluated property

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Message-ID: <174018015606.370492.13150603004835486045.robh@kernel.org>
Date: Fri, 21 Feb 2025 17:22:36 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Frank Li <Frank.Li@....com>
Cc: linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Conor Dooley <conor+dt@...nel.org>, shawnguo@...nel.org,
	Ulf Hansson <ulf.hansson@...aro.org>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, Krzysztof Kozlowski <krzk+dt@...nel.org>
Subject: Re: [PATCH 1/1] dt-bindings: mmc: Change to additionalProperties to
 fix fail detect Unevaluated property


On Thu, 20 Feb 2025 11:46:54 -0500, Frank Li wrote:
> mmc-controller.yaml is common schema file. According to writing-schema.rst,
> 
> * additionalProperties: true
>    Rare case, used for schemas implementing common set of properties. Such
>    schemas are supposed to be referenced by other schemas, which then use
>    'unevaluatedProperties: false'.  Typically bus or common-part schemas.
> 
> Reproduce steps:
> 1. Add unevaluated property 'abc' at example of fsl-imx-esdhc.yaml
> 2. Run make dt_binding_check DT_SCHEMA_FILES=fsl-imx-esdhc.yaml
> 
> No any warning report. But suppose report below warning:
> mmc@...04000: Unevaluated properties are not allowed ('abc' was unexpected)
> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>