The PCIe EP controller on SA8775P supports cache coherency, hence add the "dma-coherent" property to mark it as such. Signed-off-by: Mrinmay Sarkar <quic_msarkar@xxxxxxxxxxx> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sa8775p.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi index d9802027..53c31c7 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -3713,6 +3713,7 @@ <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_PCIE_0 0>; interconnect-names = "pcie-mem", "cpu-pcie"; + dma-coherent; iommus = <&pcie_smmu 0x0000 0x7f>; resets = <&gcc GCC_PCIE_0_BCR>; reset-names = "core"; -- 2.7.4