Re: [PATCH] mmc: Reduce fOD to 200 kHz if possible

From: Chris Ball
Date: Wed Sep 15 2010 - 09:57:30 EST


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@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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