projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| ce26c5bb MH |
1 | /* |
| 2 | * linux/drivers/devfreq/governor_performance.c | |
| 3 | * | |
| 4 | * Copyright (C) 2011 Samsung Electronics | |
| 5 | * MyungJoo Ham <[email protected]> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <linux/devfreq.h> | |
| 0b7c328f | 13 | #include "governor.h" |
| ce26c5bb MH |
14 | |
| 15 | static int devfreq_performance_func(struct devfreq *df, | |
| 16 | unsigned long *freq) | |
| 17 | { | |
| 18 | /* | |
| 19 | * target callback should be able to get floor value as | |
| 20 | * said in devfreq.h | |
| 21 | */ | |
| 6530b9de MH |
22 | if (!df->max_freq) |
| 23 | *freq = UINT_MAX; | |
| 24 | else | |
| 25 | *freq = df->max_freq; | |
| ce26c5bb MH |
26 | return 0; |
| 27 | } | |
| 28 | ||
| 0b7c328f XC |
29 | static int performance_init(struct devfreq *devfreq) |
| 30 | { | |
| 31 | return update_devfreq(devfreq); | |
| 32 | } | |
| 33 | ||
| ce26c5bb MH |
34 | const struct devfreq_governor devfreq_performance = { |
| 35 | .name = "performance", | |
| 0b7c328f | 36 | .init = performance_init, |
| ce26c5bb MH |
37 | .get_target_freq = devfreq_performance_func, |
| 38 | .no_central_polling = true, | |
| 39 | }; |