aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-imx/cpuidle-imx5.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-imx/cpuidle-imx5.c')
-rw-r--r--arch/arm/mach-imx/cpuidle-imx5.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/cpuidle-imx5.c b/arch/arm/mach-imx/cpuidle-imx5.c
new file mode 100644
index 000000000000..5a47e3c6172f
--- /dev/null
+++ b/arch/arm/mach-imx/cpuidle-imx5.c
@@ -0,0 +1,37 @@
1/*
2 * Copyright (C) 2012 Freescale Semiconductor, Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#include <linux/cpuidle.h>
10#include <linux/module.h>
11#include <asm/system_misc.h>
12
13static int imx5_cpuidle_enter(struct cpuidle_device *dev,
14 struct cpuidle_driver *drv, int index)
15{
16 arm_pm_idle();
17 return index;
18}
19
20static struct cpuidle_driver imx5_cpuidle_driver = {
21 .name = "imx5_cpuidle",
22 .owner = THIS_MODULE,
23 .states[0] = {
24 .enter = imx5_cpuidle_enter,
25 .exit_latency = 2,
26 .target_residency = 1,
27 .flags = CPUIDLE_FLAG_TIME_VALID,
28 .name = "IMX5 SRPG",
29 .desc = "CPU state retained,powered off",
30 },
31 .state_count = 1,
32};
33
34int __init imx5_cpuidle_init(void)
35{
36 return cpuidle_register(&imx5_cpuidle_driver, NULL);
37}