[PATCH 2/6] dt-bindings: dma: qcom,bam: Document dma-coherent property
Krzysztof Kozlowski
krzk at kernel.org
Thu Mar 13 07:50:08 PDT 2025
On 13/03/2025 14:09, Kaushal Kumar wrote:
> SDX75 BAM DMA controller has DMA-coherent support so define
> it in the properties section, without which 'dtbs_check'
> reports the following error:
>
> controller at 1c9c000: 'dma-coherent' does not match any of the
> regexes: 'pinctrl-[0-9]+'
How can I reproduce it?
>
Fixes tag?
> Signed-off-by: Kaushal Kumar <quic_kaushalk at quicinc.com>
> ---
> Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
> index 3ad0d9b1fbc5..c4dd6a503964 100644
> --- a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
> +++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
> @@ -39,6 +39,8 @@ properties:
> "#dma-cells":
> const: 1
>
> + dma-coherent: true
> +
Which devices are DMA coherent?
Best regards,
Krzysztof
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