linux-kernel - Re: [PATCH v2 02/19] dt-bindings: memory: mediatek: Update condition for mt8195 smi node

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Date:   Fri, 15 Jul 2022 09:35:55 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Tinghan Shen <tinghan.shen@...iatek.com>,
        Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
        Will Deacon <will@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Lee Jones <lee.jones@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chun-Jie Chen <chun-jie.chen@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        MandyJH Liu <mandyjh.liu@...iatek.com>,
        Weiyi Lu <weiyi.lu@...iatek.com>
Cc:     iommu@...ts.linux.dev, linux-mediatek@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v2 02/19] dt-bindings: memory: mediatek: Update condition
 for mt8195 smi node

On 14/07/2022 14:28, Tinghan Shen wrote:
> The max clock items for the dts node with compatible
> 'mediatek,mt8195-smi-sub-common' should be 3.
> 
> However, the dtbs_check of such node will get following message,
> arch/arm64/boot/dts/mediatek/mt8195-evb.dtb: smi@...10000: clock-names: ['apb', 'smi', 'gals0'] is too long
>          From schema: Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
> 
> It's because the 'mediatek,mt8195-smi-sub-common' compatible incorrectly
> matches the 'else' conditions for gen2 HW without gals.
> 
> Rewrite the 'else' condition to specifically identify the compatibles
> that utilizing gen2 HW without gals.
> 
> Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>


Best regards,
Krzysztof