diff options
Diffstat (limited to 'include/linux/devfreq.h')
| -rw-r--r-- | include/linux/devfreq.h | 106 |
1 files changed, 52 insertions, 54 deletions
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index c6f82d4bec9f..57e871a559a9 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -158,7 +158,7 @@ struct devfreq_stats { * functions except for the context of callbacks defined in struct * devfreq_governor, the governor should protect its access with the * struct mutex lock in struct devfreq. A governor may use this mutex - * to protect its own private data in void *data as well. + * to protect its own private data in ``void *data`` as well. */ struct devfreq { struct list_head node; @@ -201,24 +201,23 @@ struct devfreq_freqs { }; #if defined(CONFIG_PM_DEVFREQ) -extern struct devfreq *devfreq_add_device(struct device *dev, - struct devfreq_dev_profile *profile, - const char *governor_name, - void *data); -extern int devfreq_remove_device(struct devfreq *devfreq); -extern struct devfreq *devm_devfreq_add_device(struct device *dev, - struct devfreq_dev_profile *profile, - const char *governor_name, - void *data); -extern void devm_devfreq_remove_device(struct device *dev, - struct devfreq *devfreq); +struct devfreq *devfreq_add_device(struct device *dev, + struct devfreq_dev_profile *profile, + const char *governor_name, + void *data); +int devfreq_remove_device(struct devfreq *devfreq); +struct devfreq *devm_devfreq_add_device(struct device *dev, + struct devfreq_dev_profile *profile, + const char *governor_name, + void *data); +void devm_devfreq_remove_device(struct device *dev, struct devfreq *devfreq); /* Supposed to be called by PM callbacks */ -extern int devfreq_suspend_device(struct devfreq *devfreq); -extern int devfreq_resume_device(struct devfreq *devfreq); +int devfreq_suspend_device(struct devfreq *devfreq); +int devfreq_resume_device(struct devfreq *devfreq); -extern void devfreq_suspend(void); -extern void devfreq_resume(void); +void devfreq_suspend(void); +void devfreq_resume(void); /** * update_devfreq() - Reevaluate the device and configure frequency @@ -226,39 +225,38 @@ extern void devfreq_resume(void); * * Note: devfreq->lock must be held */ -extern int update_devfreq(struct devfreq *devfreq); +int update_devfreq(struct devfreq *devfreq); /* Helper functions for devfreq user device driver with OPP. */ -extern struct dev_pm_opp *devfreq_recommended_opp(struct device *dev, - unsigned long *freq, u32 flags); -extern int devfreq_register_opp_notifier(struct device *dev, - struct devfreq *devfreq); -extern int devfreq_unregister_opp_notifier(struct device *dev, - struct devfreq *devfreq); -extern int devm_devfreq_register_opp_notifier(struct device *dev, - struct devfreq *devfreq); -extern void devm_devfreq_unregister_opp_notifier(struct device *dev, - struct devfreq *devfreq); -extern int devfreq_register_notifier(struct devfreq *devfreq, - struct notifier_block *nb, - unsigned int list); -extern int devfreq_unregister_notifier(struct devfreq *devfreq, - struct notifier_block *nb, - unsigned int list); -extern int devm_devfreq_register_notifier(struct device *dev, +struct dev_pm_opp *devfreq_recommended_opp(struct device *dev, + unsigned long *freq, u32 flags); +int devfreq_register_opp_notifier(struct device *dev, + struct devfreq *devfreq); +int devfreq_unregister_opp_notifier(struct device *dev, + struct devfreq *devfreq); +int devm_devfreq_register_opp_notifier(struct device *dev, + struct devfreq *devfreq); +void devm_devfreq_unregister_opp_notifier(struct device *dev, + struct devfreq *devfreq); +int devfreq_register_notifier(struct devfreq *devfreq, + struct notifier_block *nb, + unsigned int list); +int devfreq_unregister_notifier(struct devfreq *devfreq, + struct notifier_block *nb, + unsigned int list); +int devm_devfreq_register_notifier(struct device *dev, struct devfreq *devfreq, struct notifier_block *nb, unsigned int list); -extern void devm_devfreq_unregister_notifier(struct device *dev, +void devm_devfreq_unregister_notifier(struct device *dev, struct devfreq *devfreq, struct notifier_block *nb, unsigned int list); -extern struct devfreq *devfreq_get_devfreq_by_phandle(struct device *dev, - int index); +struct devfreq *devfreq_get_devfreq_by_phandle(struct device *dev, int index); #if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) /** - * struct devfreq_simple_ondemand_data - void *data fed to struct devfreq + * struct devfreq_simple_ondemand_data - ``void *data`` fed to struct devfreq * and devfreq_add_device * @upthreshold: If the load is over this value, the frequency jumps. * Specify 0 to use the default. Valid value = 0 to 100. @@ -278,7 +276,7 @@ struct devfreq_simple_ondemand_data { #if IS_ENABLED(CONFIG_DEVFREQ_GOV_PASSIVE) /** - * struct devfreq_passive_data - void *data fed to struct devfreq + * struct devfreq_passive_data - ``void *data`` fed to struct devfreq * and devfreq_add_device * @parent: the devfreq instance of parent device. * @get_target_freq: Optional callback, Returns desired operating frequency @@ -311,9 +309,9 @@ struct devfreq_passive_data { #else /* !CONFIG_PM_DEVFREQ */ static inline struct devfreq *devfreq_add_device(struct device *dev, - struct devfreq_dev_profile *profile, - const char *governor_name, - void *data) + struct devfreq_dev_profile *profile, + const char *governor_name, + void *data) { return ERR_PTR(-ENOSYS); } @@ -350,31 +348,31 @@ static inline void devfreq_suspend(void) {} static inline void devfreq_resume(void) {} static inline struct dev_pm_opp *devfreq_recommended_opp(struct device *dev, - unsigned long *freq, u32 flags) + unsigned long *freq, u32 flags) { return ERR_PTR(-EINVAL); } static inline int devfreq_register_opp_notifier(struct device *dev, - struct devfreq *devfreq) + struct devfreq *devfreq) { return -EINVAL; } static inline int devfreq_unregister_opp_notifier(struct device *dev, - struct devfreq *devfreq) + struct devfreq *devfreq) { return -EINVAL; } static inline int devm_devfreq_register_opp_notifier(struct device *dev, - struct devfreq *devfreq) + struct devfreq *devfreq) { return -EINVAL; } static inline void devm_devfreq_unregister_opp_notifier(struct device *dev, - struct devfreq *devfreq) + struct devfreq *devfreq) { } @@ -393,22 +391,22 @@ static inline int devfreq_unregister_notifier(struct devfreq *devfreq, } static inline int devm_devfreq_register_notifier(struct device *dev, - struct devfreq *devfreq, - struct notifier_block *nb, - unsigned int list) + struct devfreq *devfreq, + struct notifier_block *nb, + unsigned int list) { return 0; } static inline void devm_devfreq_unregister_notifier(struct device *dev, - struct devfreq *devfreq, - struct notifier_block *nb, - unsigned int list) + struct devfreq *devfreq, + struct notifier_block *nb, + unsigned int list) { } static inline struct devfreq *devfreq_get_devfreq_by_phandle(struct device *dev, - int index) + int index) { return ERR_PTR(-ENODEV); } |