From: San Mehat <san@google.com>
Date: Sun, 8 Nov 2009 21:00:37 +0000 (-0800)
Subject: mmc: msm_sdcc: Clean up clock management and add a 10us delay after enabling clocks
X-Git-Tag: v2.6.35-rc1~448^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4adbbcc7b6cfb3dcf5ab49b06edb7752391b0e80;p=pandora-kernel.git

mmc: msm_sdcc: Clean up clock management and add a 10us delay after enabling clocks

It appears that in some cases there may be a delay on the ARM9 in enabling our clock.
As a result, we may put the controller into a bad state. Delay 10us after enabling
clocks to let the peripheral settle. Note - this is all imperical.

Also ensure set_ios() callback grabs the host lock.

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
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