In order to support multiple hierarchy of PCIe buses, for instance, PCIe switch, we need to extent bus-ranges to as max as possible. We have 32 regions and could support up to 31 buses except bus 0 for our root bridge. Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com> --- arch/arm64/boot/dts/rockchip/rk3399.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index 25cb51d..532b89d 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -220,7 +220,7 @@ #size-cells = <2>; #interrupt-cells = <1>; aspm-no-l0s; - bus-range = <0x0 0x1>; + bus-range = <0x0 0x1f>; clocks = <&cru ACLK_PCIE>, <&cru ACLK_PERF_PCIE>, <&cru PCLK_PCIE>, <&cru SCLK_PCIE_PM>; clock-names = "aclk", "aclk-perf", -- 1.9.1