From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: Tue, 22 Jan 2013 10:26:30 +0000 (+0200)
Subject: spi/pxa2xx: add support for runtime PM
X-Git-Tag: v3.9-rc1~148^2~2^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d94a50585884180a487ce17e8ddbfa37f7694b6;p=pandora-kernel.git

spi/pxa2xx: add support for runtime PM

Drivers should put the device into low power states proactively whenever the
device is not in use. Thus implement support for runtime PM and use the
autosuspend feature to make sure that we can still perform well in case we see
lots of SPI traffic within short period of time.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Lu Cao <lucao@marvell.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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