linux-kernel - Re: [PATCH v2 8/8] dt-bindings: iommu: qcom,iommu: Document MSM8976 compatible

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Message-ID: <92a75ab2-ffb9-9acd-4a98-a91589ad7e14@linaro.org>
Date:   Mon, 14 Nov 2022 09:22:25 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, agross@...nel.org
Cc:     andersson@...nel.org, konrad.dybcio@...aro.org, joro@...tes.org,
        will@...nel.org, robin.murphy@....com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, robdclark@...il.com,
        linux-arm-msm@...r.kernel.org, iommu@...ts.linux.dev,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        marijn.suijten@...ainline.org, kernel@...labora.com,
        luca@...tu.xyz, a39.skl@...il.com, phone-devel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v2 8/8] dt-bindings: iommu: qcom,iommu: Document MSM8976
 compatible

On 11/11/2022 15:59, AngeloGioacchino Del Regno wrote:
> Add "qcom,msm8976-iommu" to support IOMMUs on this SoC.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  Documentation/devicetree/bindings/iommu/qcom,iommu.txt | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.txt b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt
> index b762772f80e7..b7a5822ac00d 100644
> --- a/Documentation/devicetree/bindings/iommu/qcom,iommu.txt
> +++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt
> @@ -9,7 +9,8 @@ to non-secure vs secure interrupt line.
>  
>  - compatible       : Should be one of:
>  
> -                        "qcom,msm8916-iommu"
> +                        - "qcom,msm8916-iommu"
> +                        - "qcom,msm8976-iommu"

Shouldn't the new compatible be followed by IOMMU v2, not v1?

Best regards,
Krzysztof