linux-kernel - Re: [PATCH 5/8] PCI: rockchip: Added dtsi entry for PCIe endpoint controller

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Date:   Thu, 26 Jan 2023 16:23:26 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rick Wertenbroek <rick.wertenbroek@...il.com>,
        alberto.dassatti@...g-vd.ch
Cc:     xxm@...k-chips.com, wenrui.li@...k-chips.com,
        rick.wertenbroek@...g-vd.ch, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jani Nikula <jani.nikula@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mikko Kovanen <mikko.kovanen@...amobile.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org
Subject: Re: [PATCH 5/8] PCI: rockchip: Added dtsi entry for PCIe endpoint
 controller

On 26/01/2023 14:50, Rick Wertenbroek wrote:
> Added missing PCIe endpoint controller entry in the device tree. This
> entry is documented in :
> Documentation/devicetree/bindings/pci/rockchip-pcie-ep.txt

There is no such file

> The status is disabled by default, so it will not be loaded unless
> explicitly chosen to.

Use subject prefixes matching the subsystem (which you can get for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching).

> 
> Signed-off-by: Rick Wertenbroek <rick.wertenbroek@...il.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3399.dtsi | 25 ++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> index 9d5b0e8c9..5f7251118 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> @@ -265,6 +265,31 @@ pcie0_intc: interrupt-controller {
>  		};
>  	};
>  
> +	pcie0_ep: pcie-ep@...00000 {
> +		compatible = "rockchip,rk3399-pcie-ep";

reg is usually second property...
> +		#address-cells = <3>;
> +		#size-cells = <2>;
Best regards,
Krzysztof