[PATCH 1/2] arm64: dts: extent bus-ranges of PCIe for rk3399
Heiko Stuebner
heiko at sntech.de
Fri May 19 04:53:46 PDT 2017
Hi Shawn,
Am Dienstag, 16. Mai 2017, 14:30:40 CEST schrieb Shawn Lin:
> 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>
can these 2 patches really be independent?
I.e. what happens if only this patch1 is applied and patch2 is not?
[important for bisectability]
Heiko
> ---
>
> 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",
>
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