forked from mirrors/linux
8e8e69d67e
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation version 2 of the license this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 100 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.918357685@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* linux/include/linux/clock_cooling.h
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*
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* Copyright (C) 2014 Eduardo Valentin <edubezval@gmail.com>
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*
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* Copyright (C) 2013 Texas Instruments Inc.
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* Contact: Eduardo Valentin <eduardo.valentin@ti.com>
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*
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* Highly based on cpu_cooling.c.
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* Copyright (C) 2012 Samsung Electronics Co., Ltd(http://www.samsung.com)
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* Copyright (C) 2012 Amit Daniel <amit.kachhap@linaro.org>
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*/
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#ifndef __CPU_COOLING_H__
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#define __CPU_COOLING_H__
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#include <linux/of.h>
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#include <linux/thermal.h>
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#include <linux/cpumask.h>
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#ifdef CONFIG_CLOCK_THERMAL
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/**
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* clock_cooling_register - function to create clock cooling device.
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* @dev: struct device pointer to the device used as clock cooling device.
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* @clock_name: string containing the clock used as cooling mechanism.
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*/
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struct thermal_cooling_device *
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clock_cooling_register(struct device *dev, const char *clock_name);
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/**
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* clock_cooling_unregister - function to remove clock cooling device.
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* @cdev: thermal cooling device pointer.
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*/
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void clock_cooling_unregister(struct thermal_cooling_device *cdev);
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unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev,
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unsigned long freq);
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#else /* !CONFIG_CLOCK_THERMAL */
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static inline struct thermal_cooling_device *
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clock_cooling_register(struct device *dev, const char *clock_name)
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{
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return NULL;
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}
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static inline
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void clock_cooling_unregister(struct thermal_cooling_device *cdev)
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{
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}
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static inline
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unsigned long clock_cooling_get_level(struct thermal_cooling_device *cdev,
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unsigned long freq)
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{
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return THERMAL_CSTATE_INVALID;
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}
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#endif /* CONFIG_CLOCK_THERMAL */
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#endif /* __CPU_COOLING_H__ */
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