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-rw-r--r--include/linux/cpu_cooling.h25
1 files changed, 15 insertions, 10 deletions
diff --git a/include/linux/cpu_cooling.h b/include/linux/cpu_cooling.h
index 40b4ef54cc7d..282e27028418 100644
--- a/include/linux/cpu_cooling.h
+++ b/include/linux/cpu_cooling.h
@@ -25,34 +25,39 @@
25#define __CPU_COOLING_H__ 25#define __CPU_COOLING_H__
26 26
27#include <linux/thermal.h> 27#include <linux/thermal.h>
28#include <linux/cpumask.h>
28 29
29#define CPUFREQ_COOLING_START 0 30#ifdef CONFIG_CPU_THERMAL
30#define CPUFREQ_COOLING_STOP 1
31
32#if defined(CONFIG_CPU_THERMAL) || defined(CONFIG_CPU_THERMAL_MODULE)
33/** 31/**
34 * cpufreq_cooling_register - function to create cpufreq cooling device. 32 * cpufreq_cooling_register - function to create cpufreq cooling device.
35 * @clip_cpus: cpumask of cpus where the frequency constraints will happen 33 * @clip_cpus: cpumask of cpus where the frequency constraints will happen
36 */ 34 */
37struct thermal_cooling_device *cpufreq_cooling_register( 35struct thermal_cooling_device *
38 const struct cpumask *clip_cpus); 36cpufreq_cooling_register(const struct cpumask *clip_cpus);
39 37
40/** 38/**
41 * cpufreq_cooling_unregister - function to remove cpufreq cooling device. 39 * cpufreq_cooling_unregister - function to remove cpufreq cooling device.
42 * @cdev: thermal cooling device pointer. 40 * @cdev: thermal cooling device pointer.
43 */ 41 */
44void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev); 42void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev);
43
44unsigned long cpufreq_cooling_get_level(unsigned int, unsigned int);
45#else /* !CONFIG_CPU_THERMAL */ 45#else /* !CONFIG_CPU_THERMAL */
46static inline struct thermal_cooling_device *cpufreq_cooling_register( 46static inline struct thermal_cooling_device *
47 const struct cpumask *clip_cpus) 47cpufreq_cooling_register(const struct cpumask *clip_cpus)
48{ 48{
49 return NULL; 49 return NULL;
50} 50}
51static inline void cpufreq_cooling_unregister( 51static inline
52 struct thermal_cooling_device *cdev) 52void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
53{ 53{
54 return; 54 return;
55} 55}
56static inline
57unsigned long cpufreq_cooling_get_level(unsigned int, unsigned int)
58{
59 return THERMAL_CSTATE_INVALID;
60}
56#endif /* CONFIG_CPU_THERMAL */ 61#endif /* CONFIG_CPU_THERMAL */
57 62
58#endif /* __CPU_COOLING_H__ */ 63#endif /* __CPU_COOLING_H__ */