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authorAnson Huang <b20788@freescale.com>2014-12-17 12:24:12 +0800
committerShawn Guo <shawn.guo@linaro.org>2015-01-05 21:34:29 +0800
commit05136f0897b526b9cd090c93b95bbd1b67c18cc5 (patch)
treea550264eb74fa756155662b4fdd67ed7d147618f /arch/arm/mach-imx/cpuidle.h
parentdf096fde0889a7a624fcc9616ff5ebd7446d131e (diff)
downloadlinux-05136f0897b526b9cd090c93b95bbd1b67c18cc5.tar.gz
ARM: imx: support arm power off in cpuidle for i.mx6sx
This patch introduces an independent cpuidle driver for
i.MX6SX, and supports arm power off in idle, totally
3 levels of cpuidle are supported as below:

1. ARM WFI;
2. SOC in WAIT mode;
3. SOC in WAIT mode + ARM power off.

ARM power off can save at least 5mW power.

This patch also replaces imx6q_enable_rbc with imx6_enable_rbc.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch/arm/mach-imx/cpuidle.h')
-rw-r--r--arch/arm/mach-imx/cpuidle.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/cpuidle.h b/arch/arm/mach-imx/cpuidle.h
index 24e33670417c..f9140128ba05 100644
--- a/arch/arm/mach-imx/cpuidle.h
+++ b/arch/arm/mach-imx/cpuidle.h
@@ -14,6 +14,7 @@
 extern int imx5_cpuidle_init(void);
 extern int imx6q_cpuidle_init(void);
 extern int imx6sl_cpuidle_init(void);
+extern int imx6sx_cpuidle_init(void);
 #else
 static inline int imx5_cpuidle_init(void)
 {
@@ -27,4 +28,8 @@ static inline int imx6sl_cpuidle_init(void)
 {
 	return 0;
 }
+static inline int imx6sx_cpuidle_init(void)
+{
+	return 0;
+}
 #endif