Re: [PATCH v3 1/8] dt-bindings: PCI: qcom-ep: describe optional dma-coherent property

[Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>]

On Fri, Feb 21, 2025 at 05:51:59PM +0200, Dmitry Baryshkov wrote:
> Qualcomm SA8775P supports cache coherency on the PCIe EP controller.
> Allow 'dma-coherent' property to be used for this device. This fixes
> a part of the following error (the second part is fixed in the next
> commit):
> 
> pcie-ep@1c10000: Unevaluated properties are not allowed ('dma-coherent', 'iommus' were unexpected)
> 
> Fixes: 4b220c6fa9f3 ("arm64: dts: qcom: sa8775p: Mark PCIe EP controller as cache coherent")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

- Mani

> ---
>  Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> index 1226ee5d08d1ae909b07b0d78014618c4c74e9a8..0c2ca4cfa3b190b3fb204f0d7142370734fb3534 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> @@ -91,6 +91,8 @@ properties:
>        - const: pcie-mem
>        - const: cpu-pcie
>  
> +  dma-coherent: true
> +
>    resets:
>      maxItems: 1
>  
> 
> -- 
> 2.39.5
> 

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