diff options
Diffstat (limited to 'drivers/base/power/power.h')
| -rw-r--r-- | drivers/base/power/power.h | 144 |
1 files changed, 78 insertions, 66 deletions
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index 2e700d795cf..a21223d9592 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -1,95 +1,107 @@ -/* - * shutdown.c - */ - -extern void device_shutdown(void); - +#include <linux/pm_qos.h> -#ifdef CONFIG_PM - -/* - * main.c - */ +static inline void device_pm_init_common(struct device *dev) +{ + if (!dev->power.early_init) { + spin_lock_init(&dev->power.lock); + dev->power.qos = NULL; + dev->power.early_init = true; + } +} -/* - * Used to synchronize global power management operations. - */ -extern struct semaphore dpm_sem; +#ifdef CONFIG_PM_RUNTIME -/* - * Used to serialize changes to the dpm_* lists. - */ -extern struct semaphore dpm_list_sem; +static inline void pm_runtime_early_init(struct device *dev) +{ + dev->power.disable_depth = 1; + device_pm_init_common(dev); +} -/* - * The PM lists. - */ -extern struct list_head dpm_active; -extern struct list_head dpm_off; -extern struct list_head dpm_off_irq; +extern void pm_runtime_init(struct device *dev); +extern void pm_runtime_remove(struct device *dev); +#else /* !CONFIG_PM_RUNTIME */ -static inline struct dev_pm_info * to_pm_info(struct list_head * entry) +static inline void pm_runtime_early_init(struct device *dev) { - return container_of(entry, struct dev_pm_info, entry); + device_pm_init_common(dev); } -static inline struct device * to_device(struct list_head * entry) -{ - return container_of(to_pm_info(entry), struct device, power); -} +static inline void pm_runtime_init(struct device *dev) {} +static inline void pm_runtime_remove(struct device *dev) {} -extern int device_pm_add(struct device *); -extern void device_pm_remove(struct device *); +#endif /* !CONFIG_PM_RUNTIME */ -/* - * sysfs.c - */ +#ifdef CONFIG_PM_SLEEP -extern int dpm_sysfs_add(struct device *); -extern void dpm_sysfs_remove(struct device *); +/* kernel/power/main.c */ +extern int pm_async_enabled; -/* - * resume.c - */ - -extern void dpm_resume(void); -extern void dpm_power_up(void); -extern int resume_device(struct device *); - -/* - * suspend.c - */ -extern int suspend_device(struct device *, pm_message_t); +/* drivers/base/power/main.c */ +extern struct list_head dpm_list; /* The active device list */ +static inline struct device *to_device(struct list_head *entry) +{ + return container_of(entry, struct device, power.entry); +} -/* - * runtime.c - */ +extern void device_pm_sleep_init(struct device *dev); +extern void device_pm_add(struct device *); +extern void device_pm_remove(struct device *); +extern void device_pm_move_before(struct device *, struct device *); +extern void device_pm_move_after(struct device *, struct device *); +extern void device_pm_move_last(struct device *); -extern int dpm_runtime_suspend(struct device *, pm_message_t); -extern void dpm_runtime_resume(struct device *); +#else /* !CONFIG_PM_SLEEP */ -#else /* CONFIG_PM */ +static inline void device_pm_sleep_init(struct device *dev) {} +static inline void device_pm_add(struct device *dev) {} -static inline int device_pm_add(struct device * dev) +static inline void device_pm_remove(struct device *dev) { - return 0; + pm_runtime_remove(dev); } -static inline void device_pm_remove(struct device * dev) -{ -} +static inline void device_pm_move_before(struct device *deva, + struct device *devb) {} +static inline void device_pm_move_after(struct device *deva, + struct device *devb) {} +static inline void device_pm_move_last(struct device *dev) {} + +#endif /* !CONFIG_PM_SLEEP */ -static inline int dpm_runtime_suspend(struct device * dev, pm_message_t state) +static inline void device_pm_init(struct device *dev) { - return 0; + device_pm_init_common(dev); + device_pm_sleep_init(dev); + pm_runtime_init(dev); } -static inline void dpm_runtime_resume(struct device * dev) -{ +#ifdef CONFIG_PM -} +/* + * sysfs.c + */ + +extern int dpm_sysfs_add(struct device *dev); +extern void dpm_sysfs_remove(struct device *dev); +extern void rpm_sysfs_remove(struct device *dev); +extern int wakeup_sysfs_add(struct device *dev); +extern void wakeup_sysfs_remove(struct device *dev); +extern int pm_qos_sysfs_add_resume_latency(struct device *dev); +extern void pm_qos_sysfs_remove_resume_latency(struct device *dev); +extern int pm_qos_sysfs_add_flags(struct device *dev); +extern void pm_qos_sysfs_remove_flags(struct device *dev); + +#else /* CONFIG_PM */ + +static inline int dpm_sysfs_add(struct device *dev) { return 0; } +static inline void dpm_sysfs_remove(struct device *dev) {} +static inline void rpm_sysfs_remove(struct device *dev) {} +static inline int wakeup_sysfs_add(struct device *dev) { return 0; } +static inline void wakeup_sysfs_remove(struct device *dev) {} +static inline int pm_qos_sysfs_add(struct device *dev) { return 0; } +static inline void pm_qos_sysfs_remove(struct device *dev) {} #endif |