From: Seungwon Jeon <tgih.jun@samsung.com>
Date: Fri, 30 Aug 2013 15:14:05 +0000 (+0900)
Subject: mmc: dw_mmc: guarantee stop-abort cmd in data errors
X-Git-Tag: v3.13-rc1~50^2~88
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=90c2143a8f6d0cd1dbae1ea32fcd1befb81e4b0d;p=pandora-kernel.git

mmc: dw_mmc: guarantee stop-abort cmd in data errors

In error cases, DTO interrupt may or may not be generated depending
on remained data. Stop/Abort command ensures DTO generation for that
situation. Currently if 'stop' field of data is empty, there is no
stop/abort command. So, it could hang waiting DTO. This change
reinforces these cases.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Tested-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

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