linux-kernel - Re: [PATCH v1 01/16] dt-bindings: iommu: mediatek: Increase max interrupt number

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Message-ID: <20220705204902.GA2596733-robh@kernel.org>
Date:   Tue, 5 Jul 2022 14:49:02 -0600
From:   Rob Herring <robh@...nel.org>
To:     Tinghan Shen <tinghan.shen@...iatek.com>
Cc:     Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
        Will Deacon <will@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chun-Jie Chen <chun-jie.chen@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Weiyi Lu <weiyi.lu@...iatek.com>,
        iommu@...ts.linux-foundation.org,
        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 v1 01/16] dt-bindings: iommu: mediatek: Increase max
 interrupt number

On Mon, Jul 04, 2022 at 06:00:13PM +0800, Tinghan Shen wrote:
> mt8195 infra iommu has max 5 interrupts.
> 
> Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
> ---
>  .../devicetree/bindings/iommu/mediatek,iommu.yaml    | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
> index 2ae3bbad7f1a..27eb9f6aa3ce 100644
> --- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
> @@ -91,7 +91,8 @@ properties:
>      maxItems: 1
>  
>    interrupts:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 5
>  
>    clocks:
>      items:
> @@ -175,9 +176,18 @@ allOf:
>                const: mediatek,mt8195-iommu-infra
>  
>      then:
> +      properties:
> +        interrupts:
> +          maxItems: 1
> +
>        required:
>          - mediatek,larbs
>  
> +    else:
> +      properties:
> +        interrupts:
> +          maxItems: 5

5 is already the max.

minItems: 5