linux-kernel - Re: [PATCH 1/2] dt-bindings: memory-controllers: samsung,exynos4210-srom: Enforce child props

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Message-ID: <CAL_JsqKODHZcrpqskA2aeK6EqGNx9aGNuPqGzhcZ_Nqiu+Ccww@mail.gmail.com>
Date: Thu, 6 Mar 2025 07:39:59 -0600
From: Rob Herring <robh@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Alim Akhtar <alim.akhtar@...sung.com>, Bjorn Andersson <andersson@...nel.org>, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: memory-controllers: samsung,exynos4210-srom:
 Enforce child props

On Thu, Mar 6, 2025 at 2:58 AM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> Samsung Exynos SROM peripheral properties were moved from the device
> schema to separate "peripheral-props" schema for child node, but the
> device schema does not reference the new one.
>
> Reference the peripheral-props schema so the child nodes will be
> properly validated from the device schema.
>
> Fixes: 67bf606fcf18 ("dt-bindings: memory-controllers: samsung,exynos4210-srom: Split out child node properties")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>
> ---
>
> Fix for Rob's tree.
> ---
>  .../devicetree/bindings/memory-controllers/exynos-srom.yaml      | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/memory-controllers/exynos-srom.yaml b/Documentation/devicetree/bindings/memory-controllers/exynos-srom.yaml
> index 2267c5107d60..1578514ec58d 100644
> --- a/Documentation/devicetree/bindings/memory-controllers/exynos-srom.yaml
> +++ b/Documentation/devicetree/bindings/memory-controllers/exynos-srom.yaml
> @@ -38,6 +38,7 @@ properties:
>  patternProperties:
>    "^.*@[0-3],[a-f0-9]+$":
>      type: object
> +    $ref: mc-peripheral-props.yaml#

Why do we need this? Any child node should have a schema which needs
to include mc-peripheral-props.yaml if any properties from it can be
used.

Rob