Re: [PATCH v8 02/11] dt-bindings: dma: Increase iommu maxItems for BAM DMA

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On 26/05/2023 21:22, Bhupesh Sharma wrote:
> Since SM8450 BAM DMA engine supports five iommu entries,
> increase the maxItems in the iommu property section, without
> which 'dtbs_check' reports the following error:
> 
>   arch/arm64/boot/dts/qcom/sm8450-sony-xperia-nagara-pdx224.dtb:
>     dma-controller@1dc4000: iommus: is too long
> 
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Tested-by: Anders Roxell <anders.roxell@xxxxxxxxxx>
> Tested-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
> Signed-off-by: Bhupesh Sharma <bhupesh.sharma@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
> index c663b6102f50..5636d38f712a 100644
> --- a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
> +++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
> @@ -44,7 +44,7 @@ properties:
>  
>    iommus:
>      minItems: 1
> -    maxItems: 4
> +    maxItems: 5

This needs at least 6 (sm8250).

Best regards,
Krzysztof




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