From: Shubhrajyoti D <shubhrajyoti@ti.com>
Date: Mon, 26 Mar 2012 11:34:22 +0000 (+0530)
Subject: spi: omap2-mcspi: add support for pm_runtime autosuspend
X-Git-Tag: v3.5-rc1~95^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=27b5284cfbe187732ebb184b03ea693f44837f9d;p=pandora-kernel.git

spi: omap2-mcspi: add support for pm_runtime autosuspend

Adds support for configuring the omap2-mcspi driver use autosuspend for
runtime power management. This can reduce the latency in starting an
spi transfer by not suspending the device immediately following
completion of a transfer. If another transfer then takes place before
the autosuspend timeout (2 secs), the call to resume the device can
return immediately saving some save/ restore cycles.

Acked-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
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