From 6a9bce2766ef8bb7025c011653914a94a2a9ef32 Mon Sep 17 00:00:00 2001
From: Jon Hunter <jon-hunter@ti.com>
Date: Sun, 23 Sep 2012 17:28:30 -0600
Subject: [PATCH] ARM: OMAP2+: PMU: Add runtime PM support

The original implementation of this patch was done by Ming Lei for PMU on OMAP4
[1]. Since then the PM runtime calls have been moved into the ARM PMU code and
this greatly simplifies the changes.

The another differnce since the original version, is that it is no longer
necessary to call pm_runtime_get/put during the PMU initialisation was we are no
longer accessing the hardware at this stage.

By adding runtime PM support, we can ensure that the appropriate power and clock
domains are kept on while PMU is being used.

[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2011-November/074153.html

Cc: Ming Lei <ming.lei@canonical.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@ti.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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