arm64: dts: qcom: sc8280xp: fix UFS DMA coherency

The SC8280XP UFS controllers are cache coherent and must be marked as
such in the devicetree to avoid potential data corruption.

Fixes: 152d1faf1e2f ("arm64: dts: qcom: add SC8280XP platform")
Cc: stable@vger.kernel.org      # 6.0
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221205100837.29212-3-johan+linaro@kernel.org

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index 550045ec9234b846b95b171624395293193e6826..109c9d2b684d115235c895093b7154386bf3e898 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -1399,6 +1399,7 @@
                        required-opps = <&rpmhpd_opp_nom>;
 
                        iommus = <&apps_smmu 0xe0 0x0>;
+                       dma-coherent;
 
                        clocks = <&gcc GCC_UFS_PHY_AXI_CLK>,
                                 <&gcc GCC_AGGRE_UFS_PHY_AXI_CLK>,
@@ -1460,6 +1461,7 @@
                        power-domains = <&gcc UFS_CARD_GDSC>;
 
                        iommus = <&apps_smmu 0x4a0 0x0>;
+                       dma-coherent;
 
                        clocks = <&gcc GCC_UFS_CARD_AXI_CLK>,
                                 <&gcc GCC_AGGRE_UFS_CARD_AXI_CLK>,