From: Zhonghui Fu <zhonghui.fu@linux.intel.com>
Date: Wed, 18 Mar 2015 14:54:27 +0000 (+0100)
Subject: PM / sleep: add pm-trace support for suspending phase
X-Git-Tag: omap-for-v4.2/o2_dc~134^2~2^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=431d452af13720463dda498999b2e9a08729c03a;p=pandora-kernel.git

PM / sleep: add pm-trace support for suspending phase

Occasionally, the system can't come back up after suspend/resume
due to problems of device suspending phase. This patch make
PM_TRACE infrastructure cover device suspending phase of
suspend/resume process, and the information in RTC can tell
developers which device suspending function make system hang.

Signed-off-by: Zhonghui Fu <zhonghui.fu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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