From: Paul Walmsley <paul@pwsan.com>
Date: Fri, 21 Nov 2008 21:39:55 +0000 (-0800)
Subject: i2c-omap: reprogram OCP_SYSCONFIG register after reset
X-Git-Tag: v2.6.29-rc1~497^2~2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fdd07fe6f6fe54250d8b1126b42ebdc72d938f05;p=pandora-kernel.git

i2c-omap: reprogram OCP_SYSCONFIG register after reset

The I2C controller clears its OCP_SYSCONFIG register after an OCP soft reset.
Reprogram OCP_SYSCONFIG for maximum power savings on rev3.6 controllers
and beyond.  On 2430, this involves setting the module AUTOIDLE bit.
On 3430, this includes module AUTOIDLE, wakeup enable, slave smart-idle,
and considers only the module functional clock state for idle-ack.

Boot-tested on 2430SDP and 3430SDP.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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