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54a4644b DL |
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, | |
54a4644b DL |
27 | .name = "IMX5 SRPG", |
28 | .desc = "CPU state retained,powered off", | |
29 | }, | |
30 | .state_count = 1, | |
31 | }; | |
32 | ||
33 | int __init imx5_cpuidle_init(void) | |
34 | { | |
35 | return cpuidle_register(&imx5_cpuidle_driver, NULL); | |
36 | } |