linux-kernel - [PATCH] arm64: dts: qcom: sm8550: add specific SMMU compatible

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Message-Id: <20230127115513.268843-1-krzysztof.kozlowski@linaro.org>
Date:   Fri, 27 Jan 2023 12:55:13 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] arm64: dts: qcom: sm8550: add specific SMMU compatible

Generic SMMU compatibles are not allowed alone and we expect specific
one.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Compatible is documented here:
https://lore.kernel.org/all/20221116114001.2669003-1-abel.vesa@linaro.org/
---
 arch/arm64/boot/dts/qcom/sm8550.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 0307b853ec4f..e385432e7a22 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -3053,7 +3053,7 @@ data-pins {
 		};
 
 		apps_smmu: iommu@...00000 {
-			compatible = "qcom,smmu-500", "arm,mmu-500";
+			compatible = "qcom,sm8550-smmu-500", "qcom,smmu-500", "arm,mmu-500";
 			reg = <0 0x15000000 0 0x100000>;
 			#iommu-cells = <2>;
 			#global-interrupts = <1>;
-- 
2.34.1