diff options
| author | Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> | 2014-12-01 06:46:40 +0300 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2014-12-04 19:10:34 +0300 |
| commit | 70bcc9ba15690f1e616fd5f60831f4602dd39670 (patch) | |
| tree | 77174891fbc9760d7a342b861062ee061ab66996 /arch/arm64 | |
| parent | 6bc474de366155c19d69966b45a7c06b8e2a9837 (diff) | |
| download | linux-70bcc9ba15690f1e616fd5f60831f4602dd39670.tar.xz | |
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: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi index 0c8e7ae96fed..2874d92881fd 100644 --- a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi +++ b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi @@ -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>; |