linux-kernel - [PATCH 0/4] Layerscape: Remove num-lanes property from PCIe nodes

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Message-ID: <20190812042435.25102-1-Zhiqiang.Hou@nxp.com>
Date:   Mon, 12 Aug 2019 04:22:11 +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 0/4] Layerscape: Remove num-lanes property from PCIe nodes

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

On FSL Layerscape SoCs, the number of lanes assigned to PCIe
controller is not fixed, it is determined by the selected
SerDes protocol. The current num-lanes indicates the max lanes
PCIe controller can support up to, instead of the lanes assigned
to the PCIe controller. This can result in PCIe link training fail
after hot-reset.

Hou Zhiqiang (4):
  dt-bingings: PCI: Remove the num-lanes from Required properties
  PCI: dwc: Return directly when num-lanes is not found
  ARM: dts: ls1021a: Remove num-lanes property from PCIe nodes
  arm64: dts: fsl: Remove num-lanes property from PCIe nodes

 Documentation/devicetree/bindings/pci/designware-pcie.txt | 1 -
 arch/arm/boot/dts/ls1021a.dtsi                            | 2 --
 arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi            | 1 -
 arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi            | 3 ---
 arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi            | 6 ------
 arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi            | 3 ---
 arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi            | 4 ----
 drivers/pci/controller/dwc/pcie-designware.c              | 6 ++++--
 8 files changed, 4 insertions(+), 22 deletions(-)

-- 
2.17.1