diff options
Diffstat (limited to 'arch/arm/mach-imx/cpuidle-imx5.c')
-rw-r--r-- | arch/arm/mach-imx/cpuidle-imx5.c | 37 |
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 | |||
13 | static 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 | |||
20 | static 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 | |||
34 | int __init imx5_cpuidle_init(void) | ||
35 | { | ||
36 | return cpuidle_register(&imx5_cpuidle_driver, NULL); | ||
37 | } | ||