From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH 1/2] arm64: dts: extent bus-ranges of PCIe for rk3399 Date: Fri, 19 May 2017 13:53:46 +0200 Message-ID: <1839398.ekEOVhNgvp@phil> References: <1494916241-75234-1-git-send-email-shawn.lin@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1494916241-75234-1-git-send-email-shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Shawn Lin Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: linux-rockchip.vger.kernel.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 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", >