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ARM: add cpu_idle_wait() to support CPUidle on SMP systems.
authorKevin Hilman <khilman@deeprootsystems.com>
Tue, 28 Sep 2010 16:43:12 +0000 (09:43 -0700)
committerTony Lindgren <tony@atomide.com>
Tue, 28 Sep 2010 19:07:24 +0000 (12:07 -0700)
In order for CPUidle to work on SMP systems, an implementation of
cpu_idle_wait() is needed.

This patch duplicates the x86 implementation of cpu_idle_wait() for
ARM.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

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