Commit 3ea3f4f8 authored May 20, 2020 by Bao D. Nguyen

ARM: dts: msm: Enable iommu's atomic attribute for SD card

Set the SD card's iommu "atomic" attribute. The SD card driver
may acquire a spinlock before calling the iommu's unmap.
Setting the SD card driver's iommu attribute to "atomic" to ensure
the iommu driver doesn't invoke functions that might sleep
in the SD card driver's path.

Change-Id: I215498e8994a56fe1e4e46ea393afff1e81e66c5

parent 0ebc5ebb

qcom/lahaina.dtsi

+1 −0

Original line number	Diff line number	Diff line
		@@ -3138,6 +3138,7 @@

		iommus = <&apps_smmu 0x4a0 0x0>;
		dma-coherent;
		qcom,iommu-dma = "atomic";

		status = "disabled";
		};