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| 1 | /* |
| 2 | * linux/drivers/devfreq/governor_performance.c |
| 3 | * |
| 4 | * Copyright (C) 2011 Samsung Electronics |
| 5 | * MyungJoo Ham <myungjoo.ham@samsung.com> |
| 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> |
| 13 | #include "governor.h" |
| 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 | */ |
| 22 | if (!df->max_freq) |
| 23 | *freq = UINT_MAX; |
| 24 | else |
| 25 | *freq = df->max_freq; |
| 26 | return 0; |
| 27 | } |
| 28 | |
| 29 | static int performance_init(struct devfreq *devfreq) |
| 30 | { |
| 31 | return update_devfreq(devfreq); |
| 32 | } |
| 33 | |
| 34 | const struct devfreq_governor devfreq_performance = { |
| 35 | .name = "performance", |
| 36 | .init = performance_init, |
| 37 | .get_target_freq = devfreq_performance_func, |
| 38 | .no_central_polling = true, |
| 39 | }; |
| 40 |
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