From: Thierry Reding <redacted>

The SMMU found on Tegra186 requires interoperation with the memory
controller in order to program stream ID overrides. The generic ARM SMMU
500 compatible is therefore inaccurate. Replace it with a more correct,
SoC-specific compatible string.

Signed-off-by: Thierry Reding <redacted>
---
 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 9f75bbf00cf7..a173f40256ae 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi

@@ -1082,7 +1082,7 @@ pci@3,0 {
 	};
 
 	smmu: iommu@12000000 {
-		compatible = "arm,mmu-500";
+		compatible = "nvidia,tegra186-smmu", "nvidia,smmu-500";
 		reg = <0 0x12000000 0 0x800000>;
 		interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>,

-- 
2.30.2


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