linux-kernel - Re: [PATCH 3/4] dt-bindings: net: dsa: realtek: require compatible property under mdio node

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Message-ID: <fc4344b7-232f-48db-9258-db6face34494@arinc9.com>
Date:   Sat, 12 Aug 2023 19:31:56 +0300
From:   Arınç ÜNAL <arinc.unal@...nc9.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...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>,
        Conor Dooley <conor+dt@...nel.org>,
        Woojung Huh <woojung.huh@...rochip.com>,
        UNGLinuxDriver@...rochip.com,
        Linus Walleij <linus.walleij@...aro.org>,
        Alvin Šipraga <alsi@...g-olufsen.dk>,
        Daniel Golle <daniel@...rotopia.org>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     mithat.guner@...ont.com, erkin.bozoglu@...ont.com,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 3/4] dt-bindings: net: dsa: realtek: require compatible
 property under mdio node

I will drop this patch because only the SMI controlled switches must define
the compatible string. There's no way to make a distinction between the SMI
and MDIO controlled switches on the schema so this would mean requiring the
compatible property for the MDIO controlled switches too which is wrong.

Arınç

On 12.08.2023 12:17, Arınç ÜNAL wrote:
> The compatible property must be defined under the mdio node. Enforce it.
> 
> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> ---
>   Documentation/devicetree/bindings/net/dsa/realtek.yaml | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/realtek.yaml b/Documentation/devicetree/bindings/net/dsa/realtek.yaml
> index ea7db0890abc..f600e65fc990 100644
> --- a/Documentation/devicetree/bindings/net/dsa/realtek.yaml
> +++ b/Documentation/devicetree/bindings/net/dsa/realtek.yaml
> @@ -103,6 +103,9 @@ allOf:
>               compatible:
>                 const: realtek,smi-mdio
>   
> +          required:
> +            - compatible
> +
>     - if:
>         required:
>           - reg