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From: Chris Ball <cjb@laptop.org>
To: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Cc: linux-mmc@vger.kernel.org, Sascha Hauer <s.hauer@pengutronix.de>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mmc: Reduce fOD to 200 kHz if possible
Date: Wed, 15 Sep 2010 14:57:19 +0100	[thread overview]
Message-ID: <20100915135719.GA1677@void.printf.net> (raw)
In-Reply-To: <1284541140-7328-1-git-send-email-haavard.skinnemoen@atmel.com>

Hi Haavard,

On Wed, Sep 15, 2010 at 10:59:00AM +0200, Haavard Skinnemoen wrote:
> Since the identification frequency was increased to 400 kHz, my
> ATSTK1000 board has not been able to initialize any MMC or SD cards.
> Reducing the identification mode frequency to 200 kHz fixes the problem.

Good news -- there's already a patch to fix this in -mm.

Please test http://article.gmane.org/gmane.linux.kernel.commits.mm/62969
and let us know whether it works for you.

-- 
Chris Ball   <cjb@laptop.org>   <http://printf.net/>
One Laptop Per Child

  parent reply	other threads:[~2010-09-15 13:57 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-15  8:59 [PATCH] mmc: Reduce fOD to 200 kHz if possible Haavard Skinnemoen
2010-09-15  9:50 ` Ben Nizette
2010-09-15 10:51   ` Haavard Skinnemoen
2010-09-15 14:08     ` Chris Ball
2010-09-15 14:31     ` Hein_Tibosch
2010-09-15 15:10       ` Haavard Skinnemoen
2010-09-15 13:57 ` Chris Ball [this message]
2010-09-16  7:55   ` Haavard Skinnemoen

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