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: <20200210152257.GD25745@shell.armlinux.org.uk>
Date:   Mon, 10 Feb 2020 15:22:57 +0000
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Olof Johansson <olof@...om.net>
Cc:     "Z.q. Hou" <zhiqiang.hou@....com>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        "m.karthikeyan@...iveil.co.in" <m.karthikeyan@...iveil.co.in>,
        "arnd@...db.de" <arnd@...db.de>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "l.subrahmanya@...iveil.co.in" <l.subrahmanya@...iveil.co.in>,
        "will.deacon@....com" <will.deacon@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Leo Li <leoyang.li@....com>,
        "M.h. Lian" <minghuan.lian@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        Mingkai Hu <mingkai.hu@....com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        Xiaowei Bao <xiaowei.bao@....com>,
        "andrew.murray@....com" <andrew.murray@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCHv9 00/12] PCI: Recode Mobiveil driver and add PCIe Gen4
 driver for NXP Layerscape SoCs

On Mon, Feb 10, 2020 at 04:12:30PM +0100, Olof Johansson wrote:
> On Thu, Feb 6, 2020 at 11:57 AM Z.q. Hou <zhiqiang.hou@....com> wrote:
> >
> > Hi Olof,
> >
> > Thanks a lot for your comments!
> > And sorry for my delay respond!
> 
> Actually, they apply with only minor conflicts on top of current -next.
> 
> Bjorn, any chance we can get you to pick these up pretty soon? They
> enable full use of a promising ARM developer system, the SolidRun
> HoneyComb, and would be quite valuable for me and others to be able to
> use with mainline or -next without any additional patches applied --
> which this patchset achieves.
> 
> I know there are pending revisions based on feedback. I'll leave it up
> to you and others to determine if that can be done with incremental
> patches on top, or if it should be fixed before the initial patchset
> is applied. But all in all, it's holding up adaption by me and surely
> others of a very interesting platform -- I'm looking to replace my
> aging MacchiatoBin with one of these and would need PCIe/NVMe to work
> before I do.

If you're going to be using NVMe, make sure you use a power-fail safe
version; I've already had one instance where ext4 failed to mount
because of a corrupted journal using an XPG SX8200 after the Honeycomb
Serror'd, and then I powered it down after a few hours before later
booting it back up.

EXT4-fs (nvme0n1p2): INFO: recovery required on readonly filesystem
EXT4-fs (nvme0n1p2): write access will be enabled during recovery
JBD2: journal transaction 80849 on nvme0n1p2-8 is corrupt.
EXT4-fs (nvme0n1p2): error loading journal

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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