linux-kernel - Re: [PATCH v5 3/7] dt-bindings: display: renesas,du: Add missing constraints

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Message-ID: <CAMuHMdUczNArF7JSfjrb11OTpd8LvHv5-gUFPFCayr+Qezsbbg@mail.gmail.com>
Date: Tue, 17 Dec 2024 09:14:28 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
	Kieran Bingham <kieran.bingham+renesas@...asonboard.com>, 
	Andrzej Hajda <andrzej.hajda@...el.com>, Neil Armstrong <neil.armstrong@...aro.org>, 
	Robert Foss <rfoss@...nel.org>, Jonas Karlman <jonas@...boo.se>, 
	Jernej Skrabec <jernej.skrabec@...il.com>, David Airlie <airlied@...il.com>, 
	Simona Vetter <simona@...ll.ch>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Magnus Damm <magnus.damm@...il.com>, Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, LUU HOAI <hoai.luu.ub@...esas.com>, 
	Jagan Teki <jagan@...rulasolutions.com>, Sam Ravnborg <sam@...nborg.org>, 
	Biju Das <biju.das.jz@...renesas.com>, dri-devel@...ts.freedesktop.org, 
	linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, 
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>, linux-clk@...r.kernel.org, 
	Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
Subject: Re: [PATCH v5 3/7] dt-bindings: display: renesas,du: Add missing constraints

Hi Tomi,

On Tue, Dec 17, 2024 at 6:32 AM Tomi Valkeinen
<tomi.valkeinen@...asonboard.com> wrote:
> From: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
>
> The binding is missing maxItems for all renesas,cmms and renesas,vsps
> properties. As the amount of cmms or vsps is always a fixed amount, set
> the maxItems to match the minItems.
>
> Also add the minItems and maxItems to the top level properties.
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>

Thanks for your patch!

> --- a/Documentation/devicetree/bindings/display/renesas,du.yaml
> +++ b/Documentation/devicetree/bindings/display/renesas,du.yaml
> @@ -77,6 +77,8 @@ properties:
>
>    renesas,cmms:
>      $ref: /schemas/types.yaml#/definitions/phandle-array
> +    minItems: 1
> +    maxItems: 4
>      items:
>        maxItems: 1
>      description:
> @@ -85,6 +87,8 @@ properties:
>
>    renesas,vsps:
>      $ref: /schemas/types.yaml#/definitions/phandle-array
> +    minItems: 1
> +    maxItems: 4
>      items:
>        items:
>          - description: phandle to VSP instance that serves the DU channel
> @@ -489,9 +493,11 @@ allOf:
>
>          renesas,cmms:
>            minItems: 4
> +          maxItems: 4
>
>          renesas,vsps:
>            minItems: 4
> +          maxItems: 4

AFAIK these two additions are not needed, as they already match the
values defined at the top level.

The rest LGTM.

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