From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Michael Nazzareno Trimarchi <michael@amarulasolutions.com>
Cc: s.hauer@pengutronix.de, Greg Ungerer <gerg@kernel.org>,
linux-mtd@lists.infradead.org,
Boris Brezillon <bbrezillon@kernel.org>
Subject: Re: GPMI iMX6ull timeout on DMA
Date: Mon, 29 Jul 2019 23:02:58 +0200 [thread overview]
Message-ID: <20190729230258.4d474d2e@xps13> (raw)
In-Reply-To: <CAOf5uwmd7LFOS0cRWX5ANnmzf0aZWn0RFF_YWkwxtGUjymmMXA@mail.gmail.com>
Hi Michael,
Michael Nazzareno Trimarchi <michael@amarulasolutions.com> wrote on
Mon, 29 Jul 2019 22:00:25 +0200:
> Hi Miquel
>
> sorry was difficult day ;). My answer below
>
No pb ;)
[...]
> > > > > > > > That's strange... I don't get what would produce
such unstable issue.
> > > > > > >
> > > > > > > My initial guess is that the calculated timing is very marginal.
> > > > > >
> > > > > > What do you mean by "marginal"?
> > > > > >
> > > > >
> > > > > I don't think that is timing calculation. I have tried to use the same timing
> > > > > as before but when those are applide. Is it possible?
> > > >
> > > > ^
> > > > I suppose the end of the sentence is missing?
> >
> > Michael, what did you mean here?
> >
> commit 02c786627b93b3c3286570f793294816286ff397
> Author: Michael Trimarchi <michael@amarulasolutions.com>
> Date: Fri Oct 5 09:46:29 2018 +0200
>
> Revert "mtd: rawnand: gpmi: use core timings instead of an
> empirical derivation"
>
> This reverts commit b1206122069aadabe1a8c50789277a978aaa4df7.
>
> Change-Id: Icd0ddcd5e3ac7d82932bbf412299cca424cbc571
> Jira-Id: WAN-50
> Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
>
> Revert this one does not fix the problem. Right now I have two revert
> this one and
>
> commit 6ab543c1924f77957004994bd6806a9daa45f903 (tag: MMI_004_011_R02)
> Author: Michael Trimarchi <michael@amarulasolutions.com>
> Date: Fri Oct 5 09:46:44 2018 +0200
>
> Revert "mtd: rawnand: gpmi: support ->setup_data_interface()"
>
> This reverts commit 76e1a0086a0c3276b384f77905345e0fcc886fdd.
>
> Change-Id: I60fb6f874364d1deeda3424d4508553a38ac9b1a
> Jira-Id: WAN-50
> Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
>
> I did not have time to finish to undestand why this was fixing my problem
Ok so I am pretty convinced that this is still a timings issue then;
but not entirely due to the different timings calculation. Interesting.
I'm waiting for Greg's results now.
Thanks,
Miquèl
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next prev parent reply other threads:[~2019-07-29 21:03 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-29 6:41 GPMI iMX6ull timeout on DMA Greg Ungerer
2019-07-29 8:36 ` Miquel Raynal
2019-07-29 8:42 ` Michael Nazzareno Trimarchi
2019-07-29 12:18 ` Greg Ungerer
2019-07-29 12:20 ` Michael Nazzareno Trimarchi
2019-07-29 12:33 ` Greg Ungerer
2019-07-29 12:47 ` Miquel Raynal
2019-07-29 12:49 ` Michael Nazzareno Trimarchi
2019-07-29 12:55 ` Miquel Raynal
2019-07-29 13:00 ` Michael Nazzareno Trimarchi
2019-07-29 13:22 ` Miquel Raynal
2019-07-29 20:00 ` Michael Nazzareno Trimarchi
2019-07-29 21:02 ` Miquel Raynal [this message]
2019-07-30 0:28 ` Greg Ungerer
2019-07-30 0:41 ` Greg Ungerer
2019-07-30 6:06 ` Greg Ungerer
2019-07-30 8:38 ` Miquel Raynal
2019-07-30 8:58 ` Boris Brezillon
2019-07-31 2:05 ` Greg Ungerer
2019-07-31 6:28 ` Boris Brezillon
2019-08-02 7:19 ` Greg Ungerer
2019-08-02 12:34 ` Greg Ungerer
2019-08-02 12:51 ` Boris Brezillon
2019-08-05 5:51 ` Greg Ungerer
2019-08-07 16:05 ` Miquel Raynal
2019-08-08 0:43 ` Greg Ungerer
2019-08-08 16:36 ` Boris Brezillon
2019-08-09 5:20 ` Greg Ungerer
2019-08-09 6:23 ` Boris Brezillon
2019-08-09 6:55 ` Greg Ungerer
2019-08-09 7:32 ` Boris Brezillon
2019-08-09 13:57 ` Greg Ungerer
2019-08-09 13:59 ` Boris Brezillon
2019-08-12 2:50 ` Greg Ungerer
2019-08-12 4:04 ` Greg Ungerer
2019-08-12 7:31 ` Boris Brezillon
2019-08-13 0:50 ` Greg Ungerer
2021-01-28 9:45 ` Michael Nazzareno Trimarchi
2021-01-28 10:26 ` Miquel Raynal
2021-01-28 10:35 ` Michael Nazzareno Trimarchi
2021-01-28 11:55 ` Michael Nazzareno Trimarchi
2021-01-29 12:43 ` Greg Ungerer
2021-01-30 9:41 ` Michael Nazzareno Trimarchi
2021-02-01 14:13 ` Miquel Raynal
2021-02-01 14:32 ` Michael Nazzareno Trimarchi
2021-02-01 15:08 ` Michael Nazzareno Trimarchi
2021-02-01 15:14 ` Miquel Raynal
2021-02-01 15:17 ` Michael Nazzareno Trimarchi
2021-10-15 20:05 ` Michael Trimarchi
2021-10-15 20:12 ` Michael Nazzareno Trimarchi
2021-10-18 7:19 ` Miquel Raynal
2021-10-18 7:33 ` Michael Nazzareno Trimarchi
2021-10-18 7:43 ` Miquel Raynal
2021-10-04 5:54 ` Christian Eggers
2021-10-04 6:27 ` Michael Nazzareno Trimarchi
2021-10-04 15:33 ` Miquel Raynal
2021-10-04 16:06 ` Han Xu
2021-10-05 6:02 ` Christian Eggers
2021-10-08 9:55 ` Christian Eggers
2021-10-08 12:08 ` Stefan Riedmüller
2021-10-08 12:27 ` Miquel Raynal
2021-10-08 13:11 ` Christian Eggers
2021-10-08 13:29 ` Miquel Raynal
2021-10-08 13:36 ` Miquel Raynal
2021-10-08 13:49 ` Christian Eggers
2021-10-08 16:07 ` Miquel Raynal
2021-10-09 5:53 ` Michael Nazzareno Trimarchi
2021-10-11 6:46 ` Miquel Raynal
2021-10-12 9:02 ` [RFC PATCH 1/2] mtd: rawnand: gpmi: Remove explicit default gpmi clock setting for i.MX6 Stefan Riedmueller
2021-10-12 9:02 ` [RFC PATCH 2/2] gpmi-nand: Add ERR007117 protection for nfc_apply_timings Stefan Riedmueller
2021-10-13 5:01 ` Han Xu
2021-10-22 8:45 ` Stefan Riedmüller
2021-10-22 14:35 ` han.xu
2021-10-25 9:39 ` Stefan Riedmüller
2021-10-28 9:28 ` Stefan Riedmüller
2021-11-01 4:01 ` han.xu
2021-10-13 6:10 ` Christian Eggers
2021-10-13 6:00 ` [RFC PATCH 1/2] mtd: rawnand: gpmi: Remove explicit default gpmi clock setting for i.MX6 Christian Eggers
2021-10-09 6:26 ` GPMI iMX6ull timeout on DMA Christian Eggers
2021-10-13 6:15 ` Christian Eggers
2021-10-08 13:13 ` Christian Eggers
2021-10-08 13:30 ` Miquel Raynal
2021-10-09 6:33 ` Christian Eggers
-- strict thread matches above, loose matches on Subject: below --
2018-10-02 13:22 GPMI IMX6ull timeout on dma Michael Nazzareno Trimarchi
2018-10-04 14:36 ` Michael Nazzareno Trimarchi
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