From: w.sang@pengutronix.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [MX25][MMC] mmc esdhc failure in 3.3
Date: Tue, 27 Mar 2012 11:01:49 +0200 [thread overview]
Message-ID: <20120327090148.GB6790@pengutronix.de> (raw)
In-Reply-To: <ac05d6e5c1ce4bf9cfc5c28d235f866f@mail.fqingenieria.es>
> >does that attached patch fix your problem ?
>
> YES, indeed it does to a certain degree. The timeout errors do not
> occur anymore and I can successfully perform many fs->ops, such as
Interesting question is now why it worked on your older kernel? The code
around BROKEN_TIMEOUT is there for much longer, I'd think.
> The speed of the card is excruciatingly slow, however. We roughly
> get between 34KB/s and 64KB/s from a dd if=/dev/zero write to any of
> the following partitions:
Check the code below what is patched. That's currently the best solution
for the errata. There might be better ones, though, but you'd need to
find out.
Regards,
Wolfram
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2012-03-27 9:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <5e57eb999780335721212bb8d411406f@mail.fqingenieria.es>
2012-03-12 13:12 ` [MX25][MMC] mmc esdhc failure in 3.3-rc5 (still present in rc7) joancarles
[not found] ` <20120312132423.GC2459@pengutronix.de>
[not found] ` <9018463dfcd3c9e9a311aeed42b758bf@mail.fqingenieria.es>
[not found] ` <0E83723C55F66F43A6041464FE31119D099A34@039-SN2MPN1-011.039d.mgd.msft.net>
[not found] ` <a06e68c3687c7390e15950bc20831fd4@mail.fqingenieria.es>
2012-03-27 7:32 ` [MX25][MMC] mmc esdhc failure in 3.3 joancarles
2012-03-27 7:59 ` joancarles
2012-03-27 8:12 ` Eric Bénard
2012-03-27 8:46 ` joancarles
2012-03-27 8:58 ` Eric Bénard
2012-03-27 13:03 ` Zhu Richard-R65037
2012-03-27 9:01 ` Wolfram Sang [this message]
2012-03-27 9:06 ` Eric Bénard
2012-03-27 9:14 ` Wolfram Sang
2012-03-27 9:23 ` Eric Bénard
2012-03-27 9:36 ` Wolfram Sang
2012-03-27 9:33 ` joancarles
2012-03-27 9:40 ` Eric Bénard
2012-03-27 10:56 ` joancarles
2012-03-28 9:26 ` joancarles
2012-03-28 14:01 ` joancarles
2012-03-27 9:45 ` Wolfram Sang
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