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

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Date:   Mon, 23 Jan 2023 18:49:30 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     andersson@...nel.org, will@...nel.org, joro@...tes.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org
Cc:     konrad.dybcio@...aro.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        iommu@...ts.linux.dev, dmitry.baryshkov@...aro.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        stable@...r.kernel.org
Subject: [PATCH 2/3] ARM: dts: qcom: sdx55: Add Qcom SMMU-500 as the fallback for IOMMU node

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@...r.kernel.org> # 5.12
Fixes: a2bdfdfba2af ("ARM: dts: qcom: sdx55: Enable ARM SMMU")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 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@...00000 {
-			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>;
-- 
2.25.1