linux-kernel - Re: [PATCH net-next 03/10] dt-bindings: net: renesas,r8a779f0-ether-switch.yaml: add optional property link-pin

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Message-ID: <CAMuHMdVYzpJ8iqyPqbR7Bd=qpqDyV=GJ+Vw5fZ2G2S27gYO4+w@mail.gmail.com>
Date: Thu, 6 Nov 2025 14:41:22 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Michael Dege <michael.dege@...esas.com>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>, Andrew Lunn <andrew+netdev@...n.ch>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	Richard Cochran <richardcochran@...il.com>, 
	Niklas Söderlund <niklas.soderlund@...natech.se>, 
	Paul Barker <paul@...rker.dev>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Geert Uytterhoeven <geert+renesas@...der.be>, Magnus Damm <magnus.damm@...il.com>, netdev@...r.kernel.org, 
	linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org, 
	Nikita Yushchenko <nikita.yoush@...entembedded.com>, 
	Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: Re: [PATCH net-next 03/10] dt-bindings: net: renesas,r8a779f0-ether-switch.yaml:
 add optional property link-pin

Hi Michael,

On Thu, 6 Nov 2025 at 13:56, Michael Dege <michael.dege@...esas.com> wrote:
> Add optional ether-port property link-pin <empty>
>
> Signed-off-by: Michael Dege <michael.dege@...esas.com>

Thanks for your patch!

> --- a/Documentation/devicetree/bindings/net/renesas,r8a779f0-ether-switch.yaml
> +++ b/Documentation/devicetree/bindings/net/renesas,r8a779f0-ether-switch.yaml
> @@ -126,6 +126,9 @@ properties:
>            - phys
>            - mdio
>
> +       optional:

Doesn't look like valid syntax to me...

$ make dt_binding_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/net/renesas,r8a779f0-ether-switch.yaml
  SCHEMA  Documentation/devicetree/bindings/processed-schema.json
/scratch/geert/linux/linux-renesas/Documentation/devicetree/bindings/net/renesas,r8a779f0-ether-switch.yaml:
ignoring, error parsing file
  CHKDT   /scratch/geert/linux/linux-renesas/Documentation/devicetree/bindings
/scratch/geert/linux/linux-renesas/Documentation/devicetree/bindings/net/renesas,r8a779f0-ether-switch.yaml:129:1:
found a tab character that violates indentation
  LINT    /scratch/geert/linux/linux-renesas/Documentation/devicetree/bindings
/scratch/geert/linux/linux-renesas/Documentation/devicetree/bindings/net/renesas,r8a779f0-ether-switch.yaml:129:1:
[error] syntax error: found character '\t' that cannot start any token
(syntax)
  DTEX    Documentation/devicetree/bindings/net/renesas,r8a779f0-ether-switch.example.dts
/scratch/geert/linux/linux-renesas/Documentation/devicetree/bindings/net/renesas,r8a779f0-ether-switch.yaml:129:1:
found a tab character that violates indentation

> +         - link-pin

What does this mean?
Description?

> +
>  required:
>    - compatible
>    - reg
>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds