From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: miquel.raynal@bootlin.com, jmkrzyszt@gmail.com,
Stefan Agner <stefan@agner.ch>,
richard@nod.at, dwmw2@infradead.org, computersforpeace@gmail.com,
marek.vasut@gmail.com, linux-mtd@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [BUG BISECT] Missing MTD NAND partitions - mtd: rawnand: Move the ->exec_op() method to nand_controller_ops
Date: Tue, 20 Nov 2018 13:08:59 +0100 [thread overview]
Message-ID: <20181120130859.78d53da3@bbrezillon> (raw)
In-Reply-To: <CAJKOXPcrVXdCXqmxffJca7HfEV3G3agkzjWu1rfsNDDbMzc_XQ@mail.gmail.com>
On Tue, 20 Nov 2018 12:48:46 +0100
Krzysztof Kozlowski <krzk@kernel.org> wrote:
> On Tue, 20 Nov 2018 at 11:33, Miquel Raynal <miquel.raynal@bootlin.com> wrote:
> >
> > Hi Krzysztof,
> >
> > Krzysztof Kozłowski <k.kozlowski.k@gmail.com> wrote on Tue, 20 Nov 2018
> > 10:46:33 +0100:
> >
> > > Hi all,
> > >
> > > Since few days linux-next has problem on Freescale VF500 - MTD seems
> > > to be broken.
> > >
> > > Bisect pointed me to commit 7c27338c728e39ef47c83d101959aa332506969d
> > > ("mtd: rawnand: Move the ->exec_op() method to nand_controller_ops")
> > > as reason of failure to find MTD partitions.
> > >
> > > Toradex Colibri VF50 on Iris board (ARMv7, UP, Cortext-A5, NXP VF500,
> > > 128 MB RAM, 128 MB NAND, Systemd: v232) booted from NFS root (NFSv4)
> > > trying to mount UBIFS from NAND/MTD. Board uses VF610 NAND driver.
> > >
> > > The MTD partitions are missing entirely (nothing under /dev/mtd).
> > > In the logs you can also see:
> > > [ 1.232161] UBI error: cannot open mtd ubi2, error -2
> > >
> > > Attached - dmesg.log
> > >
> > > Let me know if you need defconfig or any other information.
> >
> > Thank you very much for testing and reporting the bug!
> >
> > Could you please test with this diff applied [1] please? We discussed
> > with Boris and we think it should fix your setup (and all others also
> > impacted).
> >
> > [1] http://code.bulix.org/r1m99i-509201
>
> error: patch failed: drivers/mtd/nand/raw/nand_base.c:4399
> error: drivers/mtd/nand/raw/nand_base.c: patch does not apply
>
> Maybe you have a git tree with this somewhere?
Yep: https://github.com/bbrezillon/linux/tree/nand/next-fix
next prev parent reply other threads:[~2018-11-20 12:09 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-20 9:46 [BUG BISECT] Missing MTD NAND partitions - mtd: rawnand: Move the ->exec_op() method to nand_controller_ops Krzysztof Kozłowski
2018-11-20 10:33 ` Miquel Raynal
2018-11-20 11:48 ` Krzysztof Kozlowski
2018-11-20 12:08 ` Boris Brezillon [this message]
2018-11-20 12:15 ` Krzysztof Kozlowski
2018-12-05 16:10 ` Krzysztof Kozlowski
2018-12-05 16:14 ` Miquel Raynal
2018-12-06 20:14 ` Miquel Raynal
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