linux-kernel - Re: [PATCH] dt-bindings: display: bridge: renesas,dw-hdmi: Fix 'unevaluatedProperties' warnings

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Message-ID: <CA+V-a8sPRTBTFnH4W=qcKU3=WYU79oX3WxBONpCG2f4m9V2ncA@mail.gmail.com>
Date:   Tue, 30 Aug 2022 10:18:57 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        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 Development <dri-devel@...ts.freedesktop.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH] dt-bindings: display: bridge: renesas,dw-hdmi: Fix
 'unevaluatedProperties' warnings

Hi Laurent,

On Tue, Aug 30, 2022 at 12:08 AM Laurent Pinchart
<laurent.pinchart@...asonboard.com> wrote:
>
> 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 ?
>
Agreed, will do that and send a v2.

Cheers,
Prabhakar