linux-kernel - Re: [PATCH] arm64: dts: mediatek: mt8183-kukui-jacuzzi: fix dsi unnecessary cells properties

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Message-ID: <5560ba13-e09c-4751-87f7-845d82199b45@collabora.com>
Date:   Thu, 23 Nov 2023 11:31:44 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Eugen Hristev <eugen.hristev@...labora.com>,
        linux-mediatek@...ts.infradead.org
Cc:     krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, matthias.bgg@...il.com,
        kernel@...labora.com, hsinyi@...omium.org
Subject: Re: [PATCH] arm64: dts: mediatek: mt8183-kukui-jacuzzi: fix dsi
 unnecessary cells properties

Il 14/08/23 09:10, Eugen Hristev ha scritto:
> dtbs_check throws a warning at the dsi node:
> Warning (avoid_unnecessary_addr_size): /soc/dsi@...14000: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
> 
> Other DTS have a panel child node with a reg, so the parent dtsi
> must have the address-cells and size-cells, however this specific DT
> has the panel removed, but not the cells, hence the warning above.
> 
> If panel is deleted then the cells must also be deleted since they are
> tied together, as the child node in this DT does not have a reg.
> 
> Fixes: cabc71b08eb5 ("arm64: dts: mt8183: Add kukui-jacuzzi-damu board")
> Signed-off-by: Eugen Hristev <eugen.hristev@...labora.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>