From e358bad75ff13210f5211cac9f93d76170d43f89 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Date: Wed, 6 Jul 2011 10:52:06 +0200
Subject: [PATCH] PM / Runtime: Improve documentation of enable, disable and
 barrier

The runtime PM documentation in Documentation/power/runtime_pm.txt
doesn't say that pm_runtime_enable() and pm_runtime_disable() work by
operating on power.disable_depth, which is wrong, because the
possibility of nesting disables doesn't follow from the description
of these functions.  Also, there is no description of
pm_runtime_barrier() at all in the document, which is confusing.
Improve the documentation by fixing those issues.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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