From: Anson Huang <b20788@freescale.com>
Date: Mon, 23 Jun 2014 08:42:44 +0000 (+0800)
Subject: ARM: imx: add standby mode support for suspend
X-Git-Tag: cleanup-for-v3.18~81^2~22^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=80c0ecdce802bd642dc7127cc77cea04e0a71bf5;p=pandora-kernel.git

ARM: imx: add standby mode support for suspend

Add standby mode support for suspend, to enter standby mode:

echo standby > /sys/power/state;

Use UART or RTC alarm to wake up system, when system enters
standby mode, SOC will enter STOP mode with ARM core kept
power on and 24M XTAL on.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
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