linux-kernel - Re: [PATCH 2/3] dt-bindings: net: sun8i-emac: Fix snps,dwmac.yaml inheritance

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Message-ID: <d4a35381-1915-3a86-c211-4e49e696a66f@linaro.org>
Date:   Sat, 26 Nov 2022 15:15:29 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Samuel Holland <samuel@...lland.org>, Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     LABBE Corentin <clabbe.montjoie@...il.com>,
        Maxime Ripard <mripard@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...ts.linux.dev, netdev@...r.kernel.org
Subject: Re: [PATCH 2/3] dt-bindings: net: sun8i-emac: Fix snps,dwmac.yaml
 inheritance

On 25/11/2022 21:20, Samuel Holland wrote:
> The sun8i-emac binding extends snps,dwmac.yaml, and should accept all
> properties defined there, including "mdio", "resets", and "reset-names".
> However, validation currently fails for these properties because the
> local binding sets "unevaluatedProperties: false", and snps,dwmac.yaml
> is only included inside an allOf block. Fix this by referencing
> snps,dwmac.yaml at the top level.
> 
> Signed-off-by: Samuel Holland <samuel@...lland.org>
> ---
> 
>  .../devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml     | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 

I must admit you're right that this hides the warning from dtbs_check,
but not because something in allOf should not be included. The problem
is how disabled nodes are being parsed here by referenced schema
(snps,dwmac.yaml) and probably is a bug in dtschema package.


Best regards,
Krzysztof