From: Seungwon Jeon <tgih.jun@samsung.com>
Date: Fri, 28 Sep 2012 10:12:53 +0000 (+0900)
Subject: mmc: queue: amend buffer swap for non-blocking transfer
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~96^2~62
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=45c5a914e68fdbbc2635c3cc197566aa24e8de5b;p=pandora-kernel.git

mmc: queue: amend buffer swap for non-blocking transfer

In case both 'req' and 'mq->mqrq_prev->req' are null, there is no request
to be processed. That means there is no need to switch buffer.
Switching buffer is required only after finishing 'issue_fn'.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Reviewed-by: Per Forlin <per.forlin@stericsson.com>
Tested-by: Johan Rudholm <johan.rudholm@stericsson.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

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