Re: [PATCH 2/6] dt-bindings: dma: qcom,bam: Document dma-coherent property

[Kaushal Kumar]

On 3/13/2025 8:20 PM, Krzysztof Kozlowski wrote:
> 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@1c9c000: 'dma-coherent' does not match any of the
> >    regexes: 'pinctrl-[0-9]+'
> How can I reproduce it?
It is not an existing error. It is the error that would come unless the 
new property is defined. Will remove this part of commit text in v2.
> Fixes tag?
>
> > Signed-off-by: Kaushal Kumar <quic_kaushalk@xxxxxxxxxxx>
> > ---
> >   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?
Will update it under a bam version check in v2.
> Best regards,
> Krzysztof