arm64: dts: qcom: sm8150: Fix the iommu mask used for PCIe controllers

The iommu mask should be 0x3f as per Qualcomm internal documentation.
Without the correct mask, the PCIe transactions from the endpoint will
result in SMMU faults. Hence, fix it!

Cc: stable@vger.kernel.org # 5.19
Fixes: a1c86c680533 ("arm64: dts: qcom: sm8150: Add PCIe nodes")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230224080045.6577-1-manivannan.sadhasivam@linaro.org

diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index fd20096..13e0ce8 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -1826,7 +1826,7 @@
                                      "slave_q2a",
                                      "tbu";
 
-                       iommus = <&apps_smmu 0x1d80 0x7f>;
+                       iommus = <&apps_smmu 0x1d80 0x3f>;
                        iommu-map = <0x0   &apps_smmu 0x1d80 0x1>,
                                    <0x100 &apps_smmu 0x1d81 0x1>;
 
@@ -1925,7 +1925,7 @@
                        assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>;
                        assigned-clock-rates = <19200000>;
 
-                       iommus = <&apps_smmu 0x1e00 0x7f>;
+                       iommus = <&apps_smmu 0x1e00 0x3f>;
                        iommu-map = <0x0   &apps_smmu 0x1e00 0x1>,
                                    <0x100 &apps_smmu 0x1e01 0x1>;