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

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Date:	Wed, 15 Sep 2010 14:57:19 +0100
From:	Chris Ball <cjb@...top.org>
To:	Haavard Skinnemoen <haavard.skinnemoen@...el.com>
Cc:	linux-mmc@...r.kernel.org, Sascha Hauer <s.hauer@...gutronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mmc: Reduce fOD to 200 kHz if possible

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