Message-ID: <b8b8fe77-2ea8-d05c-5fa2-d4cae01baba5@canonical.com>
Date:   Wed, 12 Jan 2022 11:18:04 +0100
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Subject: Re: [PATCH v2 2/6] dt-bindings: memory: mtk-smi: Fix the larb
 clock/clock-names dtbs warning
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To:     Yong Wu <yong.wu@mediatek.com>, Rob Herring <robh+dt@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>
Cc:     Krzysztof Kozlowski <krzk@kernel.org>,
        Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
        Robin Murphy <robin.murphy@arm.com>,
        Tomasz Figa <tfiga@chromium.org>,
        linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com,
        linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        iommu@lists.linux-foundation.org, youlin.pei@mediatek.com,
        anan.sun@mediatek.com, lc.kan@mediatek.com, yi.kuo@mediatek.com,
        anthony.huang@mediatek.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
References: <20220111063904.7583-1-yong.wu@mediatek.com>
 <20220111063904.7583-3-yong.wu@mediatek.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
In-Reply-To: <20220111063904.7583-3-yong.wu@mediatek.com>
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Precedence: bulk

On 11/01/2022 07:39, Yong Wu wrote:
> Mute the warning from "make dtbs_check":
> 
> larb@14017000: clock-names: ['apb', 'smi'] is too short
> 	arch/arm64/boot/dts/mediatek/mt8183-evb.dt.yaml
> 	arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-burnet.dt.yaml
> 	...
> 
> larb@16010000: clock-names: ['apb', 'smi'] is too short
> 	arch/arm64/boot/dts/mediatek/mt8183-evb.dt.yaml
> 	arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-burnet.dt.yaml
> 
> larb@17010000: clock-names: ['apb', 'smi'] is too short
> 	arch/arm64/boot/dts/mediatek/mt8183-evb.dt.yaml
> 	arch/arm64/boot/dts/mediatek/mt8183-kukui-jacuzzi-burnet.dt.yaml
> 
> If a platform's larb supports gals, there will be some larbs have one
> more "gals" clock while the others still only need "apb"/"smi" clocks,
> then the minItems for clock and clock-names are 2.
> 
> Fixes: 27bb0e42855a ("dt-bindings: memory: mediatek: Convert SMI to DT schema")
> Signed-off-by: Yong Wu <yong.wu@mediatek.com>
> ---
>  .../bindings/memory-controllers/mediatek,smi-larb.yaml      | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
> index 80907e357892..884c0c74e5e4 100644
> --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
> +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
> @@ -80,10 +80,10 @@ allOf:
>      then:
>        properties:
>          clock:

Separate patch:
This should be clocks. The same in second if. Now it is simply not
working...

> -          items:

Putting min/maxItems under items is wrong. The second if also needs the
fixing. Please make it a separate patch before this one.

The schema was clearly not tested before...


> -            minItems: 3
> -            maxItems: 3
> +          minItems: 2
> +          maxItems: 3
>          clock-names:
> +          minItems: 2
>            items:
>              - const: apb
>              - const: smi
> 


Best regards,
Krzysztof