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Message-ID: <Yw1G69ny9tZrFWk4@pendragon.ideasonboard.com>
Date:   Tue, 30 Aug 2022 02:08:27 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Robert Foss <robert.foss@...aro.org>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH] dt-bindings: display: bridge: renesas,dw-hdmi: Fix
 'unevaluatedProperties' warnings

Hi Prabhakar,

Thank you for the patch.

On Mon, Aug 29, 2022 at 10:58:16PM +0100, Lad Prabhakar wrote:
> With 'unevaluatedProperties' support implemented, there's a number of
> warnings when running dtbs_check:
> 
> arch/arm64/boot/dts/renesas/r8a774b1-hihope-rzg2n-rev2-ex-idk-1110wr.dtb: hdmi@...d0000: Unevaluated properties are not allowed ('resets' was unexpected)
> 	From schema: Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.yaml
> 
> The main problem is that SoC DTSI's are including resets property, whereas
> the renesas,dw-hdmi.yaml has 'unevaluatedProperties: false'. So just add
> optional resets property to the binding.

Given that all the DT sources in the kernel specify the resets property,
how about making it mandatory ?

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
>  .../devicetree/bindings/display/bridge/renesas,dw-hdmi.yaml    | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.yaml
> index 0c9785c8db51..a7e44e249dd3 100644
> --- a/Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/renesas,dw-hdmi.yaml
> @@ -38,6 +38,9 @@ properties:
>    clock-names:
>      maxItems: 2
>  
> +  resets:
> +    maxItems: 1
> +
>    ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>  

-- 
Regards,

Laurent Pinchart

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