| Message ID | 20221205100837.29212-2-johan+linaro@kernel.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | arm64: dts: qcom: sc8280xp: fix UFS DMA coherency | expand |
On Mon, 05 Dec 2022 11:08:36 +0100, Johan Hovold wrote: > UFS controllers may be cache coherent and must be marked as such in the > devicetree to avoid data corruption. > > This is specifically needed on recent Qualcomm platforms like SC8280XP. > > Signed-off-by: Johan Hovold <johan+linaro@kernel.org> > --- > Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 2 ++ > 1 file changed, 2 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml index f2d6298d926c..1f1d286749c0 100644 --- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml +++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml @@ -44,6 +44,8 @@ properties: minItems: 8 maxItems: 11 + dma-coherent: true + interconnects: minItems: 2 maxItems: 2
UFS controllers may be cache coherent and must be marked as such in the devicetree to avoid data corruption. This is specifically needed on recent Qualcomm platforms like SC8280XP. Signed-off-by: Johan Hovold <johan+linaro@kernel.org> --- Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 2 ++ 1 file changed, 2 insertions(+)