Re: [PATCH 1/4] dt-bingings: PCI: Remove the num-lanes from Required properties
From: Bjorn Helgaas
Date: Mon Aug 19 2019 - 15:20:34 EST
since this only applies to designware-pcie.txt.
On Mon, Aug 12, 2019 at 04:22:16AM +0000, Z.q. Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> The num-lanes is not a mandatory property, e.g. on FSL
> Layerscape SoCs, the PCIe link training is completed
> automatically base on the selected SerDes protocol, it
> doesn't need the num-lanes to set-up the link width.
> It has been added in the Optional properties. This
> patch is to remove it from the Required properties.
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> Documentation/devicetree/bindings/pci/designware-pcie.txt | 1 -
> 1 file changed, 1 deletion(-)
> diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
> index 5561a1c060d0..bd880df39a79 100644
> --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
> +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
> @@ -11,7 +11,6 @@ Required properties:
> the ATU address space.
> (The old way of getting the configuration address space from "ranges"
> is deprecated and should be avoided.)
> -- num-lanes: number of lanes to use
> RC mode:
> - #address-cells: set to <3>
> - #size-cells: set to <2>