From: Paul Walmsley <paul@pwsan.com>
Date: Sat, 26 Jan 2013 07:58:14 +0000 (-0700)
Subject: ARM: OMAP2xxx: PM: clean up some crufty powerstate programming code
X-Git-Tag: omap-for-v3.9/pm-signed^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f653b29825817a929a606726f03a04fcd0b2b566;p=pandora-kernel.git

ARM: OMAP2xxx: PM: clean up some crufty powerstate programming code

Don't attempt to put clockdomains to sleep; this should be handled by the
clock framework.  It should be enough to program the next-power-state,
and then let the code in omap_pm_clkdms_setup() deal with the rest.

Start out by programming the MPU and CORE powerdomains to stay ON.
Then control the MPU and CORE powerdomain states directly in
omap2_enter_full_retention() and omap2_enter_mpu_retention().  Not the
most optimal way to do it, but certainly is the most conservative until
OMAP2xxx PM is working again.

Get rid of the open-coded PM_PWSTCTRL_MPU writes in
omap2_enter_mpu_retention(); use the powerdomain code instead.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
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