linux-kernel - Re: [PATCH 2/4] dt-bindings: iommu: mediatek: mt8195 Accept up to 5 interrupts

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Message-ID: <cb715936-3a44-4002-8d64-565f8d31820c@collabora.com>
Date: Tue, 6 May 2025 10:34:33 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Julien Massot <julien.massot@...labora.com>, kernel@...labora.com,
 Sen Chu <sen.chu@...iatek.com>, Sean Wang <sean.wang@...iatek.com>,
 Macpaul Lin <macpaul.lin@...iatek.com>, Lee Jones <lee@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Matthias Brugger
 <matthias.bgg@...il.com>, Nícolas F. R. A. Prado
 <nfraprado@...labora.com>, Hui Liu <hui.liu@...iatek.com>,
 Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
 Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
 Tinghan Shen <tinghan.shen@...iatek.com>
Cc: linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mediatek@...ts.infradead.org, iommu@...ts.linux.dev
Subject: Re: [PATCH 2/4] dt-bindings: iommu: mediatek: mt8195 Accept up to 5
 interrupts

Il 05/05/25 15:23, Julien Massot ha scritto:
> Some Mediatek IOMMU can have up to five interrupts so increase
> the 'maxItems' to 5.
> 
> Fix the following dtb-check error:
> 
> mediatek/mt8395-radxa-nio-12l.dtb: infra-iommu@...15000: interrupts:
> [[0, 795, 4, 0], [0, 796, 4, 0], [0, 797, 4, 0], [0, 798, 4, 0], [0, 799, 4, 0]] is too long
> 
> Fixes: 3b5838d1d82e3 ("arm64: dts: mt8195: Add iommu and smi nodes")
> Signed-off-by: Julien Massot <julien.massot@...labora.com>
> ---
>   Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
> index 75750c64157c868725c087500ac81be4e282c829..035941c2db32170e9a69a5363d8c05ef767bb251 100644
> --- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
> @@ -97,7 +97,8 @@ properties:
>       maxItems: 1
>   
>     interrupts:
> -    maxItems: 1
> +    minItems: 1

Isn't minItems already implicitly 1? :-)

Cheers,
Angelo

> +    maxItems: 5
>   
>     clocks:
>       items:
>