linux-kernel - RE: [PATCHv9 00/12] PCI: Recode Mobiveil driver and add PCIe Gen4 driver for NXP Layerscape SoCs

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Message-ID: <DB8PR04MB67476281607788CD20B292D8844F0@DB8PR04MB6747.eurprd04.prod.outlook.com>
Date:   Wed, 20 Nov 2019 10:30:50 +0000
From:   "Z.q. Hou" <zhiqiang.hou@....com>
To:     Russell King - ARM Linux admin <linux@...linux.org.uk>
CC:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "arnd@...db.de" <arnd@...db.de>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "l.subrahmanya@...iveil.co.in" <l.subrahmanya@...iveil.co.in>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "m.karthikeyan@...iveil.co.in" <m.karthikeyan@...iveil.co.in>,
        Leo Li <leoyang.li@....com>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        "andrew.murray@....com" <andrew.murray@....com>,
        "M.h. Lian" <minghuan.lian@....com>,
        Xiaowei Bao <xiaowei.bao@....com>,
        Mingkai Hu <mingkai.hu@....com>
Subject: RE: [PATCHv9 00/12] PCI: Recode Mobiveil driver and add PCIe Gen4
 driver for NXP Layerscape SoCs

Hi Russell,

> -----Original Message-----
> From: Russell King - ARM Linux admin <linux@...linux.org.uk>
> Sent: 2019年11月20日 17:57
> To: Z.q. Hou <zhiqiang.hou@....com>
> Cc: linux-pci@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org;
> bhelgaas@...gle.com; robh+dt@...nel.org; arnd@...db.de;
> mark.rutland@....com; l.subrahmanya@...iveil.co.in;
> shawnguo@...nel.org; m.karthikeyan@...iveil.co.in; Leo Li
> <leoyang.li@....com>; lorenzo.pieralisi@....com;
> catalin.marinas@....com; will.deacon@....com;
> andrew.murray@....com; M.h. Lian <minghuan.lian@....com>; Xiaowei
> Bao <xiaowei.bao@....com>; Mingkai Hu <mingkai.hu@....com>
> Subject: Re: [PATCHv9 00/12] PCI: Recode Mobiveil driver and add PCIe Gen4
> driver for NXP Layerscape SoCs
> 
> On Wed, Nov 20, 2019 at 03:45:17AM +0000, Z.q. Hou wrote:
> > From: Hou Zhiqiang <Zhiqiang.Hou@....com>
> >
> > This patch set is to recode the Mobiveil driver and add PCIe support
> > for NXP Layerscape series SoCs integrated Mobiveil's PCIe Gen4
> > controller.
> 
> How many PCIe cards have been tested to work/don't work with this?
> 
> I need:
> 
> PCI: mobiveil: ls_pcie_g4: fix SError when accessing config space
> PCI: mobiveil: ls_pcie_g4: add Workaround for A-011451
> PCI: mobiveil: ls_pcie_g4: add Workaround for A-011577
> 
> to successfully boot with a Mellanox card plugged in with a previous revision
> of these patches.
>

Yes, we need to apply these NXP internal maintained workarounds on top of
this series. I only tested Intel e1000e NIC with this patch set + these 3
workarounds.

Thanks,
Zhiqiang
 
> --
> RMK's Patch system:
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww
> .armlinux.org.uk%2Fdeveloper%2Fpatches%2F&amp;data=02%7C01%7Czhiq
> iang.hou%40nxp.com%7C69f6fb1f4fd44f3fca3808d76da01440%7C686ea1d
> 3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637098406606503361&amp;sd
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> erved=0
> FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps
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