From: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> commit af4ab377543853b690cc85b4c46cf976ab560dc2 upstream. SDX55 uses the Qcom version of the SMMU-500 IP. So use "qcom,smmu-500" compatible as the fallback to the SoC specific compatible. Cc: <stable@xxxxxxxxxxxxxxx> # 5.12 Fixes: a2bdfdfba2af ("ARM: dts: qcom: sdx55: Enable ARM SMMU") Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230123131931.263024-3-manivannan.sadhasivam@xxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/arm/boot/dts/qcom-sdx55.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arm/boot/dts/qcom-sdx55.dtsi +++ b/arch/arm/boot/dts/qcom-sdx55.dtsi @@ -577,7 +577,7 @@ }; apps_smmu: iommu@15000000 { - compatible = "qcom,sdx55-smmu-500", "arm,mmu-500"; + compatible = "qcom,sdx55-smmu-500", "qcom,smmu-500", "arm,mmu-500"; reg = <0x15000000 0x20000>; #iommu-cells = <2>; #global-interrupts = <1>;