linux-kernel - Re: [PATCH v4 2/3] ARM: dts: stm32: fix dtbs

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Date:   Thu, 25 Nov 2021 15:52:36 +0100
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     <dillon.minfei@...il.com>, <laurent.pinchart@...asonboard.com>,
        <thierry.reding@...il.com>, <sam@...nborg.org>, <airlied@...ux.ie>,
        <daniel@...ll.ch>, <robh+dt@...nel.org>,
        <linus.walleij@...aro.org>, <mcoquelin.stm32@...il.com>,
        <noralf@...nnes.org>
CC:     <kbuild-all@...ts.01.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 2/3] ARM: dts: stm32: fix dtbs_check warning on ili9341
 dts binding

Hi Dillon

On 7/24/21 5:44 AM, dillon.minfei@...il.com wrote:
> From: Dillon Min <dillon.minfei@...il.com>
> 
> Since the compatible string defined from ilitek,ili9341.yaml is
> "st,sf-tc240t-9370-t", "ilitek,ili9341"
> 
> so, append "ilitek,ili9341" to avoid the below dtbs_check warning.
> 
> arch/arm/boot/dts/stm32f429-disco.dt.yaml: display@1: compatible:
> ['st,sf-tc240t-9370-t'] is too short
> 
> Fixes: a726e2f000ec ("ARM: dts: stm32: enable ltdc binding with ili9341, gyro l3gd20 on stm32429-disco board")
> Signed-off-by: Dillon Min <dillon.minfei@...il.com>
> Reported-by: kernel test robot <lkp@...el.com>
> ---
> v4: no change.
> 
>   arch/arm/boot/dts/stm32f429-disco.dts | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/stm32f429-disco.dts b/arch/arm/boot/dts/stm32f429-disco.dts
> index 075ac57d0bf4..6435e099c632 100644
> --- a/arch/arm/boot/dts/stm32f429-disco.dts
> +++ b/arch/arm/boot/dts/stm32f429-disco.dts
> @@ -192,7 +192,7 @@
>   
>   	display: display@1{
>   		/* Connect panel-ilitek-9341 to ltdc */
> -		compatible = "st,sf-tc240t-9370-t";
> +		compatible = "st,sf-tc240t-9370-t", "ilitek,ili9341";
>   		reg = <1>;
>   		spi-3wire;
>   		spi-max-frequency = <10000000>;
> 

Patch applied on stm32-next. I updated commit title to indicate targeted 
board.

regards
Alex