linux-kernel - Re: [PATCH net-next v4 2/6] dt-bindings: net: Brcm ASP 2.0 Ethernet controller

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Message-ID: <20230523-unfailing-twisting-9cb092b14f6f@spud>
Date:   Tue, 23 May 2023 23:54:57 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Justin Chen <justin.chen@...adcom.com>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        bcm-kernel-feedback-list@...adcom.com, justinpopo6@...il.com,
        f.fainelli@...il.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, opendmb@...il.com,
        andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
        richardcochran@...il.com, sumit.semwal@...aro.org,
        christian.koenig@....com, simon.horman@...igine.com,
        Florian Fainelli <florian.fainelli@...adcom.com>
Subject: Re: [PATCH net-next v4 2/6] dt-bindings: net: Brcm ASP 2.0 Ethernet
 controller

Hey Justin,

On Tue, May 23, 2023 at 02:53:43PM -0700, Justin Chen wrote:

> +  compatible:
> +    enum:
> +      - brcm,asp-v2.0
> +      - brcm,bcm72165-asp
> +      - brcm,asp-v2.1
> +      - brcm,bcm74165-asp

> +        compatible = "brcm,bcm72165-asp", "brcm,asp-v2.0";

You can't do this, as Rob's bot has pointed out. Please test the
bindings :( You need one of these type of constructs:

compatible:
  oneOf:
    - items:
        - const: brcm,bcm72165-asp
        - const: brcm,asp-v2.0
    - items:
        - const: brcm,bcm74165-asp
        - const: brcm,asp-v2.1

Although, given either you or Florian said there are likely to be
multiple parts, going for an enum, rather than const for the brcm,bcm..
entry will prevent some churn. Up to you.

Cheers,
Conor.