| Duy Truong | 790f06d | 2013-02-13 16:38:12 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2012, The Linux Foundation. All rights reserved. |
| Praveen Chidambaram | 696a561 | 2012-05-25 17:29:11 -0600 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __ARCH_ARM_MACH_MSM_MACH_CPUFREQ_H |
| 14 | #define __ARCH_ARM_MACH_MSM_MACH_CPUFREQ_H |
| 15 | |
| 16 | #define MSM_CPUFREQ_NO_LIMIT 0xFFFFFFFF |
| 17 | |
| 18 | #ifdef CONFIG_CPU_FREQ_MSM |
| 19 | |
| 20 | /** |
| 21 | * msm_cpufreq_set_freq_limit() - Set max/min freq limits on cpu |
| 22 | * |
| 23 | * @cpu: The cpu core for which the limits apply |
| 24 | * @max: The max frequency allowed |
| 25 | * @min: The min frequency allowed |
| 26 | * |
| 27 | * If the @max or @min is set to MSM_CPUFREQ_NO_LIMIT, the limit |
| 28 | * will default to the CPUFreq limit. |
| 29 | * |
| 30 | * returns 0 on success, errno on failure |
| 31 | */ |
| 32 | extern int msm_cpufreq_set_freq_limits( |
| 33 | uint32_t cpu, uint32_t min, uint32_t max); |
| 34 | #else |
| 35 | static inline int msm_cpufreq_set_freq_limits( |
| 36 | uint32_t cpu, uint32_t min, uint32_t max) |
| 37 | { |
| 38 | return -ENOSYS; |
| 39 | } |
| 40 | #endif |
| 41 | |
| 42 | #endif /* __ARCH_ARM_MACH_MSM_MACH_CPUFREQ_H */ |