mmc: only stop edmac if slot state really changed
authorlintao <lintao@rock-chips.com>
Mon, 27 Oct 2014 05:53:16 +0000 (13:53 +0800)
committerlintao <lintao@rock-chips.com>
Tue, 28 Oct 2014 03:15:45 +0000 (11:15 +0800)
commit627a759e9990f4305b1b7ccc7651f2fd874b75dd
tree10350426e13cf167301083d98a7649b44efc4566
parent84a54e9455c43cfcdb3ff1ddaf8850de50e0fda3
mmc: only stop edmac if slot state really changed

   This commit follow up with 27dc823e, avoid unnecessary emdac operation
in routine card of bh.

Signed-off-by: lintao <lintao@rock-chips.com>
drivers/mmc/host/rk_sdmmc.c