From: Ohad Ben-Cohen <ohad@wizery.com>
Date: Sun, 28 Nov 2010 05:21:28 +0000 (+0200)
Subject: mmc: skip detection of nonremovable cards on rescan
X-Git-Tag: v2.6.38-rc1~418^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30201e7f3ac639fe98fcd25d40346b65dde9ecba;p=pandora-kernel.git

mmc: skip detection of nonremovable cards on rescan

mmc_rescan() checks whether registered cards are still present before
skipping them, by calling the bus-specific ->detect() handler.

With buses that support runtime PM, the card may be powered off at
this point, so they need to be powered on and fully reinitialized before
->detect() executes.

This whole process is redundant with nonremovable cards; in those cases,
we can safely skip calling ->detect() and implicitly assume its success.

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Reviewed-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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