Re: [PATCH 1/2] arm64: dts: extent bus-ranges of PCIe for rk3399

[Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>]

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-TNX95d0MmH7DzftRWevZcw@public.gmane.org>

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",
>