1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * linux/include/linux/cpu_cooling.h
5 * Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
8 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
10 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
13 #ifndef __CPU_COOLING_H__
14 #define __CPU_COOLING_H__
17 #include <linux/thermal.h>
18 #include <linux/cpumask.h>
20 struct cpufreq_policy;
22 #ifdef CONFIG_CPU_THERMAL
24 * cpufreq_cooling_register - function to create cpufreq cooling device.
25 * @policy: cpufreq policy.
27 struct thermal_cooling_device *
28 cpufreq_cooling_register(struct cpufreq_policy *policy);
31 * cpufreq_cooling_unregister - function to remove cpufreq cooling device.
32 * @cdev: thermal cooling device pointer.
34 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev);
36 #else /* !CONFIG_CPU_THERMAL */
37 static inline struct thermal_cooling_device *
38 cpufreq_cooling_register(struct cpufreq_policy *policy)
40 return ERR_PTR(-ENOSYS);
44 void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
48 #endif /* CONFIG_CPU_THERMAL */
50 #if defined(CONFIG_THERMAL_OF) && defined(CONFIG_CPU_THERMAL)
52 * of_cpufreq_cooling_register - create cpufreq cooling device based on DT.
53 * @policy: cpufreq policy.
55 struct thermal_cooling_device *
56 of_cpufreq_cooling_register(struct cpufreq_policy *policy);
58 static inline struct thermal_cooling_device *
59 of_cpufreq_cooling_register(struct cpufreq_policy *policy)
63 #endif /* defined(CONFIG_THERMAL_OF) && defined(CONFIG_CPU_THERMAL) */
65 #endif /* __CPU_COOLING_H__ */