Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1649491
| From | Boris Brezillon <boris.brezillon@free-electrons.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: pxa3xx-nand failing to find device on linux-next |
| Date | 2017-05-24 13:30 +0200 |
| Message-ID | <tKCEi-1Hm-23@gated-at.bofh.it> (permalink) |
| References | <tKaym-7e0-7@gated-at.bofh.it> <tKAVQ-wS-27@gated-at.bofh.it> <tKCEi-1Hm-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, 24 May 2017 13:23:01 +0200
Boris Brezillon <boris.brezillon@free-electrons.com> wrote:
> Hi Chris,
>
> On Wed, 24 May 2017 09:36:56 +0000
> Chris Packham <Chris.Packham@alliedtelesis.co.nz> wrote:
>
> > On 23/05/17 17:27, Chris Packham wrote:
> > > Hi,
> > >
> > > I'm doing some testing on linux-next and I'm finding that my nand flash
> > > has disappeared.
> > >
> > > pxa3xx-nand f10d0000.flash: This platform can't do DMA on this device
> > > pxa3xx-nand f10d0000.flash: non-supported command ef
> > > pxa3xx-nand f10d0000.flash: non-supported command ee
> > > pxa3xx-nand f10d0000.flash: non-supported command ef
> > > pxa3xx-nand f10d0000.flash: non-supported command ee
> > > On-die ECC forcefully enabled, not supported
> > > nand: No NAND device found
> > > pxa3xx-nand f10d0000.flash: failed to scan nand at cs 0
> > >
> > > This was working around 4.11. I'll try to do some more digging tomorrow
> > > to narrow down a failure point but I thought I'd send this out now just
> > > in case it rings any bells.
> > >
> > > The board I'm using (DB-88F6820-AMC) is unfortunately out-of tree but it
> > > should be pretty close to the armada-388-db. I can make my dts available
> > > if it's helpful.
> >
> > Still works on 4.12-rc2. Fails on next-20170524.
> >
> > This appears to be due to commit b566d9c055de ("mtd: nand: add support
> > for Micron on-die ECC"). Which based on the description seems intentional.
> >
> > Since I have access to a hardware platform that has a micron flash with
> > ECC forcefully enabled how can I help to get this implemented.
>
> Can you try with this patch applied [1]?
Sorry, wrong patch. Can you try this one [1] instead?
[1]http://code.bulix.org/pkfhmi-135875
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
pxa3xx-nand failing to find device on linux-next Chris Packham <Chris.Packham@alliedtelesis.co.nz> - 2017-05-23 07:30 +0200
Re: pxa3xx-nand failing to find device on linux-next Chris Packham <Chris.Packham@alliedtelesis.co.nz> - 2017-05-24 11:40 +0200
Re: pxa3xx-nand failing to find device on linux-next Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-05-24 13:30 +0200
Re: pxa3xx-nand failing to find device on linux-next Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-05-24 13:30 +0200
Re: pxa3xx-nand failing to find device on linux-next Chris Packham <Chris.Packham@alliedtelesis.co.nz> - 2017-05-25 00:10 +0200
csiph-web