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: omap-for-v3.17/fixes-against-rc2~122^2~22^2~29
X-Git-Url: https://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>
---

diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 13a6e1f8e11e..d205f362cf29 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -106,7 +106,7 @@ static inline void imx_scu_standby_enable(void) {}
 #endif
 void imx_src_init(void);
 void imx_gpc_init(void);
-void imx_gpc_pre_suspend(void);
+void imx_gpc_pre_suspend(bool arm_power_off);
 void imx_gpc_post_resume(void);
 void imx_gpc_mask_all(void);
 void imx_gpc_restore_all(void);
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