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

From: "Z.q. Hou" <zhiqiang.hou@nxp.com>
To: Russell King - ARM Linux admin <linux@armlinux.org.uk>
Cc: "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"bhelgaas@google.com" <bhelgaas@google.com>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	"arnd@arndb.de" <arnd@arndb.de>,
	"mark.rutland@arm.com" <mark.rutland@arm.com>,
	"l.subrahmanya@mobiveil.co.in" <l.subrahmanya@mobiveil.co.in>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	"m.karthikeyan@mobiveil.co.in" <m.karthikeyan@mobiveil.co.in>,
	Leo Li <leoyang.li@nxp.com>,
	"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
	"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
	"will.deacon@arm.com" <will.deacon@arm.com>,
	"andrew.murray@arm.com" <andrew.murray@arm.com>,
	"M.h. Lian" <minghuan.lian@nxp.com>,
	Xiaowei Bao <xiaowei.bao@nxp.com>,
	Mingkai Hu <mingkai.hu@nxp.com>
Subject: RE: [PATCHv9 00/12] PCI: Recode Mobiveil driver and add PCIe Gen4 driver for NXP Layerscape SoCs
Date: Wed, 20 Nov 2019 10:30:50 +0000	[thread overview]
Message-ID: <DB8PR04MB67476281607788CD20B292D8844F0@DB8PR04MB6747.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20191120095729.GJ25745@shell.armlinux.org.uk>

Hi Russell,

> -----Original Message-----
> From: Russell King - ARM Linux admin <linux@armlinux.org.uk>
> Sent: 2019年11月20日 17:57
> To: Z.q. Hou <zhiqiang.hou@nxp.com>
> Cc: linux-pci@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
> devicetree@vger.kernel.org; linux-kernel@vger.kernel.org;
> bhelgaas@google.com; robh+dt@kernel.org; arnd@arndb.de;
> mark.rutland@arm.com; l.subrahmanya@mobiveil.co.in;
> shawnguo@kernel.org; m.karthikeyan@mobiveil.co.in; Leo Li
> <leoyang.li@nxp.com>; lorenzo.pieralisi@arm.com;
> catalin.marinas@arm.com; will.deacon@arm.com;
> andrew.murray@arm.com; M.h. Lian <minghuan.lian@nxp.com>; Xiaowei
> Bao <xiaowei.bao@nxp.com>; Mingkai Hu <mingkai.hu@nxp.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@nxp.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

> --
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