From: Jean Pihet <j-pihet@ti.com>
Date: Thu, 9 Dec 2010 17:39:58 +0000 (+0100)
Subject: OMAP2+: disable idle early in the suspend sequence
X-Git-Tag: v2.6.38-rc1~469^2~16^2~9^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c166381d4013fd32512f124c237f4213ae9888e9;p=pandora-kernel.git

OMAP2+: disable idle early in the suspend sequence

Some bad interaction between the idle and the suspend paths has been
identified: the idle code is called during the suspend enter and exit
sequences. This could cause corruption or lock-up of resources.

The solution is to move the calls to disable_hlt at the very beginning
of the suspend sequence (ex. in omap3_pm_begin instead of
omap3_pm_prepare), and the call to enable_hlt at the very end of
the suspend sequence (ex. in omap3_pm_end instead of omap3_pm_finish).

Tested with RET and OFF on Beagle and OMAP3EVM.

Signed-off-by: Jean Pihet <j-pihet@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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