| Message ID | 20230224080045.6577-1-manivannan.sadhasivam@linaro.org |
|---|---|
| State | Accepted |
| Commit | 672a58fc7c477e59981653a11241566870fff852 |
| Headers | show |
| Series | arm64: dts: qcom: sm8150: Fix the iommu mask used for PCIe controllers | expand |
On Fri, 24 Feb 2023 13:30:45 +0530, Manivannan Sadhasivam wrote: > 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! > > Applied, thanks! [1/1] arm64: dts: qcom: sm8150: Fix the iommu mask used for PCIe controllers commit: 672a58fc7c477e59981653a11241566870fff852 Best regards,
diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi index fd20096cfc6e..13e0ce828606 100644 --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi @@ -1826,7 +1826,7 @@ pcie0: pci@1c00000 { "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 @@ pcie1: pci@1c08000 { 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>;
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> --- arch/arm64/boot/dts/qcom/sm8150.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)