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Commit 70bcc9ba authored by Suravee Suthikulpanit's avatar Suravee Suthikulpanit Committed by Arnd Bergmann
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arm64: amd-seattle: Fix PCI bus range due to SMMU limitation 



Since PCIe is using SMMUv1 which only supports 15-bit stream ID,
only 7-bit PCI bus id is used to specify stream ID. Therefore,
we only limit the PCI bus range to 0x7f.

Signed-off-by: default avatarSuravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 6bc474de

arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi

+1 −1
Original line number Diff line number Diff line
@@ -147,7 +147,7 @@ 
			#size-cells = <2>;

			#interrupt-cells = <1>;

			device_type = "pci";

			bus-range = <0 0xff>;

			bus-range = <0 0x7f>;

			msi-parent = <&v2m0>;

			reg = <0 0xf0000000 0 0x10000000>;