include/linux/devfreq_cooling.h

Source file repositories/reference/linux-study-clean/include/linux/devfreq_cooling.h

File Facts

System
Linux kernel
Corpus path
include/linux/devfreq_cooling.h
Extension
.h
Size
2763 bytes
Lines
90
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct devfreq_cooling_power {
	int (*get_real_power)(struct devfreq *df, u32 *power,
			      unsigned long freq, unsigned long voltage);
};

#ifdef CONFIG_DEVFREQ_THERMAL

struct thermal_cooling_device *
of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
				  struct devfreq_cooling_power *dfc_power);
struct thermal_cooling_device *
of_devfreq_cooling_register(struct device_node *np, struct devfreq *df);
struct thermal_cooling_device *devfreq_cooling_register(struct devfreq *df);
void devfreq_cooling_unregister(struct thermal_cooling_device *dfc);
struct thermal_cooling_device *
devfreq_cooling_em_register(struct devfreq *df,
			    struct devfreq_cooling_power *dfc_power);

#else /* !CONFIG_DEVFREQ_THERMAL */

static inline struct thermal_cooling_device *
of_devfreq_cooling_register_power(struct device_node *np, struct devfreq *df,
				  struct devfreq_cooling_power *dfc_power)
{
	return ERR_PTR(-EINVAL);
}

static inline struct thermal_cooling_device *
of_devfreq_cooling_register(struct device_node *np, struct devfreq *df)
{
	return ERR_PTR(-EINVAL);
}

static inline struct thermal_cooling_device *
devfreq_cooling_register(struct devfreq *df)
{
	return ERR_PTR(-EINVAL);
}

static inline struct thermal_cooling_device *
devfreq_cooling_em_register(struct devfreq *df,
			    struct devfreq_cooling_power *dfc_power)
{
	return ERR_PTR(-EINVAL);
}

static inline void
devfreq_cooling_unregister(struct thermal_cooling_device *dfc)
{
}

#endif /* CONFIG_DEVFREQ_THERMAL */
#endif /* __DEVFREQ_COOLING_H__ */

Annotation

Implementation Notes