From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Date: Thu, 20 Aug 2009 01:42:04 +0200
Subject: [U-Boot] [PATCH/RFC] drivers/mmc/mmc.c: change the controller
 frequency before the card frequency
In-Reply-To: <1250684211-19217-1-git-send-email-albin.tonnerre@free-electrons.com>
References: <1250684211-19217-1-git-send-email-albin.tonnerre@free-electrons.com>
Message-ID: <20090819234204.GL8470@game.jcrosoft.org>
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To: u-boot@lists.denx.de

On 14:16 Wed 19 Aug     , Albin Tonnerre wrote:
> While rewriting the atmel_mci driver to use the new MMC_GENERIC API (and allow
> the use of SD/MMC on AT91 in the process), it appeared that switching the card
> frequency before the controller frequency resulted in the answer from the card
> never being received. Changing the controller frequency before the controller
> frequency fixes that.
IIRC it's not correct you are supposed to switch the card to higherfreq and
then the bus speed

could show the patch of the atmel_mci to help

Best Regards,
J.