From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Date: Tue, 13 Jan 2015 10:22:57 +0000
Subject: [U-Boot] [PATCH 2/2] mmc: Skip changing bus width for MMC cards
 earlier than version 4.0
In-Reply-To: <1419524545-18136-3-git-send-email-andrew_gabbasov@mentor.com>
References: <1419524545-18136-1-git-send-email-andrew_gabbasov@mentor.com>
	<1419524545-18136-3-git-send-email-andrew_gabbasov@mentor.com>
Message-ID: <1421144577.2694.11.camel@synopsys.com>
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To: u-boot@lists.denx.de

Hi Pantelis,

On Thu, 2014-12-25 at 10:22 -0600, Andrew Gabbasov wrote:
> Wider bus widths (larger than default 1 bit) appeared in MMC standard
> version 4.0. So, for MMC cards of any earlier version trying to change
> the bus width (including ext_csd comparison) does not make any sense.
> It may work incorrectly and at least cause unnecessary timeouts.
> So, just skip the entire bus width related activity for earlier versions.
> 
> Signed-off-by: Andrew Gabbasov <andrew_gabbasov@mentor.com>
> Tested-by: Alexey Brodkin <abrodkin@synopsys.com>

This change fixes regression introduced in
https://patchwork.ozlabs.org/patch/416442/ for MMC cards.

Please consider applying if you don't have any objections.

Regards,
Alexey