/* SPDX-License-Identifier: GPL-2.0-only *//* *  linux/include/linux/clock_cooling.h * *  Copyright (C) 2014 Eduardo Valentin <edubezval@gmail.com> * *  Copyright (C) 2013	Texas Instruments Inc. *  Contact:  Eduardo Valentin <eduardo.valentin@ti.com> * *  Highly based on cpu_cooling.c. *  Copyright (C) 2012	Samsung Electronics Co., Ltd(http://www.samsung.com) *  Copyright (C) 2012  Amit Daniel <amit.kachhap@linaro.org> */ #ifndef __CPU_COOLING_H__#define __CPU_COOLING_H__ #include <linux/of.h>#include <linux/thermal.h>#include <linux/cpumask.h> #ifdef CONFIG_CLOCK_THERMAL/** * clock_cooling_register - function to create clock cooling device. * @dev: struct device pointer to the device used as clock cooling device. * @clock_name: string containing the clock used as cooling mechanism. */struct thermal_cooling_device *clock_cooling_register(struct device *dev, const char *clock_name); /** * clock_cooling_unregister - function to remove clock cooling device. * @cdev: thermal cooling device pointer. */void clock_cooling_unregister(struct thermal_cooling_device *cdev); unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev,				      unsigned long freq);#else /* !CONFIG_CLOCK_THERMAL */static inline struct thermal_cooling_device *clock_cooling_register(struct device *dev, const char *clock_name){	return NULL;}static inlinevoid clock_cooling_unregister(struct thermal_cooling_device *cdev){}static inlineunsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev,				      unsigned long freq){	return THERMAL_CSTATE_INVALID;}#endif	/* CONFIG_CLOCK_THERMAL */ #endif /* __CPU_COOLING_H__ */