diff options
author | Kevin Hilman <khilman@linaro.org> | 2015-06-16 15:29:36 -0700 |
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committer | Kevin Hilman <khilman@linaro.org> | 2015-06-16 15:29:36 -0700 |
commit | b0477f5f8ec85bf8a82f6aa6eee308d72c418032 (patch) | |
tree | d520be10a261f418dbf4539f1d2b5d48d74ba0d3 /include/linux/clock_cooling.h | |
parent | 13a29d9ad242f0bf3b31afe812c81558d54892de (diff) | |
parent | 9a004a75a3305fbd3c253f38cd0788164c4fbd56 (diff) |
Merge branch 'linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-androidlsk-v3.18-15.07-android
Diffstat (limited to 'include/linux/clock_cooling.h')
-rw-r--r-- | include/linux/clock_cooling.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/linux/clock_cooling.h b/include/linux/clock_cooling.h new file mode 100644 index 000000000000..4d1019d56f7f --- /dev/null +++ b/include/linux/clock_cooling.h @@ -0,0 +1,65 @@ +/* + * 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> + * + * 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. + */ + +#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 inline +void clock_cooling_unregister(struct thermal_cooling_device *cdev) +{ +} +static inline +unsigned 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__ */ |