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Release 4.12 include/linux/cpu_cooling.h

Directory: include/linux
/*
 *  linux/include/linux/cpu_cooling.h
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */

#ifndef __CPU_COOLING_H__

#define __CPU_COOLING_H__

#include <linux/of.h>
#include <linux/thermal.h>
#include <linux/cpumask.h>


typedef int (*get_static_t)(cpumask_t *cpumask, int interval,
			    unsigned long voltage, u32 *power);

#ifdef CONFIG_CPU_THERMAL
/**
 * cpufreq_cooling_register - function to create cpufreq cooling device.
 * @clip_cpus: cpumask of cpus where the frequency constraints will happen
 */
struct thermal_cooling_device *
cpufreq_cooling_register(const struct cpumask *clip_cpus);

struct thermal_cooling_device *
cpufreq_power_cooling_register(const struct cpumask *clip_cpus,
			       u32 capacitance, get_static_t plat_static_func);

/**
 * of_cpufreq_cooling_register - create cpufreq cooling device based on DT.
 * @np: a valid struct device_node to the cooling device device tree node.
 * @clip_cpus: cpumask of cpus where the frequency constraints will happen
 */
#ifdef CONFIG_THERMAL_OF
struct thermal_cooling_device *
of_cpufreq_cooling_register(struct device_node *np,
			    const struct cpumask *clip_cpus);

struct thermal_cooling_device *
of_cpufreq_power_cooling_register(struct device_node *np,
				  const struct cpumask *clip_cpus,
				  u32 capacitance,
				  get_static_t plat_static_func);
#else

static inline struct thermal_cooling_device * of_cpufreq_cooling_register(struct device_node *np, const struct cpumask *clip_cpus) { return ERR_PTR(-ENOSYS); }

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static inline struct thermal_cooling_device * of_cpufreq_power_cooling_register(struct device_node *np, const struct cpumask *clip_cpus, u32 capacitance, get_static_t plat_static_func) { return NULL; }

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#endif /** * cpufreq_cooling_unregister - function to remove cpufreq cooling device. * @cdev: thermal cooling device pointer. */ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev); unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq); #else /* !CONFIG_CPU_THERMAL */
static inline struct thermal_cooling_device * cpufreq_cooling_register(const struct cpumask *clip_cpus) { return ERR_PTR(-ENOSYS); }

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static inline struct thermal_cooling_device * cpufreq_power_cooling_register(const struct cpumask *clip_cpus, u32 capacitance, get_static_t plat_static_func) { return NULL; }

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Amit Daniel Kachhap28.33%133.33%
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static inline struct thermal_cooling_device * of_cpufreq_cooling_register(struct device_node *np, const struct cpumask *clip_cpus) { return ERR_PTR(-ENOSYS); }

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static inline struct thermal_cooling_device * of_cpufreq_power_cooling_register(struct device_node *np, const struct cpumask *clip_cpus, u32 capacitance, get_static_t plat_static_func) { return NULL; }

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static inline void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) { return; }

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Javi Merino215.38%150.00%
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static inline unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq) { return THERMAL_CSTATE_INVALID; }

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#endif /* CONFIG_CPU_THERMAL */ #endif /* __CPU_COOLING_H__ */

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Rui Zhang308.75%222.22%
Arnd Bergmann41.17%111.11%
Total343100.00%9100.00%
Directory: include/linux
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