linux-kernel - [PATCH 1/4] dt-bingings: PCI: Remove the num-lanes from Required properties

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Date:   Mon, 12 Aug 2019 04:22:16 +0000
From:   "Z.q. Hou" <zhiqiang.hou@....com>
To:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "gustavo.pimentel@...opsys.com" <gustavo.pimentel@...opsys.com>,
        "jingoohan1@...il.com" <jingoohan1@...il.com>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        Leo Li <leoyang.li@....com>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>
CC:     "M.h. Lian" <minghuan.lian@....com>,
        "Z.q. Hou" <zhiqiang.hou@....com>
Subject: [PATCH 1/4] dt-bingings: PCI: Remove the num-lanes from Required
 properties

From: Hou Zhiqiang <Zhiqiang.Hou@....com>

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@....com>
---
 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>
-- 
2.17.1