From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Fri, 4 Feb 2011 09:19:46 +0000 (+0000)
Subject: ARM: mmci: avoid reporting too many completed bytes on fifo overrun
X-Git-Tag: v2.6.39-rc1~435^3^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8afc9d59ce1100d3f7704e86fda5a25361c45bf;p=pandora-kernel.git

ARM: mmci: avoid reporting too many completed bytes on fifo overrun

The data counter counts the number of bytes transferred on the MMC bus.
When a FIFO overrun occurs, we will not have transferred a FIFOs-worth
of data to memory, and so the data counter will be a FIFOs-worth ahead.
If this occurs on a block boundary, we will report one too many sectors
as successful.  Fix this.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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