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Commit 15ae541d authored by Mayank Rana's avatar Mayank Rana
Browse files

ARM: dts: msm: Update USB IOVA start address on sdxlemur 

USB shares <iova, phy_addr> pair for tethered functionality related
buffers and TRB ring with IPA. Although USB IOVA is using atomic
property but IPA is using fastmap functionality. This results into
USB mapping also becomes fastmap. Fastmap functionality uses static
page table which increases overall memory requirement for page table.
To reduce page table related memory update USB IOVA start address
from 0x90000000 to 0x40000000 on sdxlemur.

Change-Id: I7aefa20cd05414abb585cb6a7588344ef77a08ca
parent b73fc9ab

qcom/sdxlemur-usb.dtsi

+1 −1
Original line number Diff line number Diff line
@@ -8,7 +8,7 @@ 


		iommus = <&apps_smmu 0x1a0 0x0>;

		qcom,iommu-dma = "atomic";

		qcom,iommu-dma-addr-pool = <0x90000000 0x60000000>;

		qcom,iommu-dma-addr-pool = <0x40000000 0x60000000>;

		#address-cells = <1>;

		#size-cells = <1>;

		ranges;