Re: [PATCH 2/3] ARM: dts: qcom: sdx55: Add Qcom SMMU-500 as the fallback for IOMMU node

From: Konrad Dybcio
Date: Mon Jan 23 2023 - 08:21:17 EST




On 23.01.2023 14:19, Manivannan Sadhasivam wrote:
> 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>

Konrad
> arch/arm/boot/dts/qcom-sdx55.dtsi | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/qcom-sdx55.dtsi b/arch/arm/boot/dts/qcom-sdx55.dtsi
> index f1c0dab40992..93d71aff3fab 100644
> --- a/arch/arm/boot/dts/qcom-sdx55.dtsi
> +++ b/arch/arm/boot/dts/qcom-sdx55.dtsi
> @@ -578,7 +578,7 @@ pil-reloc@94c {
> };
>
> 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>;