linux-kernel - Re: [PATCH 05/14] dt-bindings: PCI: qcom-ep: Document "linux,pci-domain" property

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Message-ID: <20240722235051.GA378287-robh@kernel.org>
Date: Mon, 22 Jul 2024 17:50:51 -0600
From: Rob Herring <robh@...nel.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>, linux-pci@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH 05/14] dt-bindings: PCI: qcom-ep: Document
 "linux,pci-domain" property

On Mon, Jul 15, 2024 at 11:03:47PM +0530, Manivannan Sadhasivam wrote:
> 'linux,pci-domain' property provides the PCI domain number for the PCI
> endpoint controllers in a SoC. If this property is not present, then an
> unstable (across boots) unique number will be assigned.

You aren't "documenting" it here as the subject says, just using it in 
the example.

> 
> Use this property to specify the domain number based on the actual hardware
> instance of the PCI endpoint controllers in a SoC.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>  Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> index 46802f7d9482..1226ee5d08d1 100644
> --- a/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/qcom,pcie-ep.yaml
> @@ -280,4 +280,5 @@ examples:
>          phy-names = "pciephy";
>          max-link-speed = <3>;
>          num-lanes = <2>;
> +        linux,pci-domain = <0>;
>      };
> 
> -- 
> 2.25.1
>