From: "Eric Bénard" <eric@eukrea.com>
To: Wolfram Sang <w.sang@pengutronix.de>
Cc: joancarles <joancarles@fqingenieria.es>,
Zhu Richard-R65037 <r65037@freescale.com>,
shawn.guo@linaro.org, linux-mmc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [MX25][MMC] mmc esdhc failure in 3.3
Date: Tue, 27 Mar 2012 11:06:15 +0200 [thread overview]
Message-ID: <20120327110615.3bfaf969@eb-e6520> (raw)
In-Reply-To: <20120327090148.GB6790@pengutronix.de>
Hi Wolfram,
Le Tue, 27 Mar 2012 11:01:49 +0200,
Wolfram Sang <w.sang@pengutronix.de> a écrit :
> > >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.
>
not in fact it seems to have been broken from a long time and I think
I'm responsible of that in 37865fe91582582a6f6c00652f6a2b1ff71f8a78
"mmc: sdhci-esdhc-imx: fix timeout on i.MX's sdhc"
because unlike the i.MX35 it seems that the i.MX25 manages to read
properly the partition table even without the timeout quirk and it
seems that I didn't do more extensive tests for this patch.
Eric
WARNING: multiple messages have this Message-ID (diff)
From: eric@eukrea.com (Eric Bénard)
To: linux-arm-kernel@lists.infradead.org
Subject: [MX25][MMC] mmc esdhc failure in 3.3
Date: Tue, 27 Mar 2012 11:06:15 +0200 [thread overview]
Message-ID: <20120327110615.3bfaf969@eb-e6520> (raw)
In-Reply-To: <20120327090148.GB6790@pengutronix.de>
Hi Wolfram,
Le Tue, 27 Mar 2012 11:01:49 +0200,
Wolfram Sang <w.sang@pengutronix.de> a ?crit :
> > >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.
>
not in fact it seems to have been broken from a long time and I think
I'm responsible of that in 37865fe91582582a6f6c00652f6a2b1ff71f8a78
"mmc: sdhci-esdhc-imx: fix timeout on i.MX's sdhc"
because unlike the i.MX35 it seems that the i.MX25 manages to read
properly the partition table even without the timeout quirk and it
seems that I didn't do more extensive tests for this patch.
Eric
next prev parent reply other threads:[~2012-03-27 9:06 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-06 11:29 [MX25][MMC] mmc esdhc failure in 3.3-rc5 joancarles
2012-03-12 13:12 ` [MX25][MMC] mmc esdhc failure in 3.3-rc5 (still present in rc7) joancarles
2012-03-12 13:12 ` joancarles
2012-03-12 13:24 ` [MX25][MMC] mmc esdhc failure in 3.3-rc5 Wolfram Sang
2012-03-12 14:50 ` joancarles
2012-03-12 21:45 ` Wolfram Sang
2012-03-13 11:20 ` joancarles
2012-03-13 5:55 ` Zhu Richard-R65037
2012-03-16 15:03 ` joancarles
2012-03-27 7:32 ` [MX25][MMC] mmc esdhc failure in 3.3 joancarles
2012-03-27 7:32 ` joancarles
2012-03-27 7:59 ` joancarles
2012-03-27 7:59 ` joancarles
2012-03-27 8:12 ` Eric Bénard
2012-03-27 8:12 ` Eric Bénard
2012-03-27 8:46 ` joancarles
2012-03-27 8:46 ` joancarles
2012-03-27 8:58 ` Eric Bénard
2012-03-27 8:58 ` Eric Bénard
2012-03-27 13:03 ` Zhu Richard-R65037
2012-03-27 13:03 ` Zhu Richard-R65037
2012-03-27 9:01 ` Wolfram Sang
2012-03-27 9:01 ` Wolfram Sang
2012-03-27 9:06 ` Eric Bénard [this message]
2012-03-27 9:06 ` Eric Bénard
2012-03-27 9:14 ` Wolfram Sang
2012-03-27 9:14 ` Wolfram Sang
2012-03-27 9:23 ` Eric Bénard
2012-03-27 9:23 ` Eric Bénard
2012-03-27 9:36 ` Wolfram Sang
2012-03-27 9:36 ` Wolfram Sang
2012-03-27 9:33 ` joancarles
2012-03-27 9:33 ` joancarles
2012-03-27 9:40 ` Eric Bénard
2012-03-27 9:40 ` Eric Bénard
2012-03-27 10:56 ` joancarles
2012-03-27 10:56 ` joancarles
2012-03-28 9:26 ` joancarles
2012-03-28 9:26 ` joancarles
2012-03-28 14:01 ` joancarles
2012-03-28 14:01 ` joancarles
2012-03-27 9:45 ` Wolfram Sang
2012-03-27 9:45 ` Wolfram Sang
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