From 2f88604b29c76bb189be31b27c4d6dc9a43cc4dc Mon Sep 17 00:00:00 2001
From: Nishanth Menon <nm@ti.com>
Date: Thu, 1 Mar 2012 00:29:44 +0100
Subject: [PATCH] ARM: OMAP3+: SmartReflex: Add a shutdown hook

SmartReflex fix for erratum ID i724.

Since OMAP's VP and PRM modules do not get reset by warm reset,
we should ensure that proper shutdown procedure is followed prior
to allowing the kernel to reboot back up.

Without this, Smartreflex module might be left active or
system might be caught in an indeterminate sequence when
software controlled reboot is triggered, leaving the next
reboot behavior to be unpredictable.

In the case of hardware controlled warm reset such as that
by watchdog timer, prevention of this scenario is not possible.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Jean Pihet <j-pihet@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
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