From: Adrian Hunter <adrian.hunter@intel.com>
Date: Mon, 3 Oct 2011 12:33:33 +0000 (+0300)
Subject: mmc: core: move ->request() call from atomic context
X-Git-Tag: v3.2-rc1~129^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=08a7e1dfaa63bf5132b5b7231fcf9a33473c78f5;p=pandora-kernel.git

mmc: core: move ->request() call from atomic context

mmc_request_done() is sometimes called from interrupt or other atomic
context.  Mostly all mmc_request_done() does is complete(), however it
contains code to retry on error, which uses ->request().  As the error
path is certainly not performance critical, this may be moved to the
waiting function mmc_wait_for_req_done().

This allows ->request() to use runtime PM get_sync() and guarantee it
is never in an atomic context.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Ulf Hansson <ulf.hansson@stericsson.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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