From: Seungwon Jeon <tgih.jun@samsung.com>
Date: Wed, 1 Aug 2012 00:30:30 +0000 (+0900)
Subject: mmc: dw_mmc: amend using error interrupt status
X-Git-Tag: v3.6-rc5~10^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=182c90815993452f1902837cc342ac2c05ef13f5;p=pandora-kernel.git

mmc: dw_mmc: amend using error interrupt status

RINTSTS status includes masked interrupts as well as unmasked.
data_status and cmd_status are set by value of RINTSTS in interrupt handler
and tasklet finally uses it to decide whether error is happened or not.
In addition, MINTSTS status is used for setting data_status in PIO.
Masked error interrupt will not be handled and that status can be considered
non-error case.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Reviewed By: Girish K S <girish.shivananjappa@linaro.org>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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