diff options
Diffstat (limited to 'drivers/base/power/power.h')
| -rw-r--r-- | drivers/base/power/power.h | 132 |
1 files changed, 81 insertions, 51 deletions
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index 8ba0830cbc0..a21223d9592 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -1,77 +1,107 @@ -/* - * shutdown.c - */ +#include <linux/pm_qos.h> -extern void device_shutdown(void); +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; + } +} +#ifdef CONFIG_PM_RUNTIME -#ifdef CONFIG_PM_SLEEP +static inline void pm_runtime_early_init(struct device *dev) +{ + dev->power.disable_depth = 1; + device_pm_init_common(dev); +} -/* - * main.c - */ +extern void pm_runtime_init(struct device *dev); +extern void pm_runtime_remove(struct device *dev); -/* - * Used to synchronize global power management operations. - */ -extern struct mutex dpm_mtx; +#else /* !CONFIG_PM_RUNTIME */ -/* - * Used to serialize changes to the dpm_* lists. - */ -extern struct mutex dpm_list_mtx; +static inline void pm_runtime_early_init(struct device *dev) +{ + 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; +static inline void pm_runtime_init(struct device *dev) {} +static inline void pm_runtime_remove(struct device *dev) {} +#endif /* !CONFIG_PM_RUNTIME */ -static inline struct dev_pm_info * to_pm_info(struct list_head * entry) -{ - return container_of(entry, struct dev_pm_info, entry); -} +#ifdef CONFIG_PM_SLEEP -static inline struct device * to_device(struct list_head * entry) +/* kernel/power/main.c */ +extern int pm_async_enabled; + +/* 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(to_pm_info(entry), struct device, power); + return container_of(entry, struct device, power.entry); } -extern int device_pm_add(struct device *); +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 *); -/* - * sysfs.c - */ - -extern int dpm_sysfs_add(struct device *); -extern void dpm_sysfs_remove(struct device *); +#else /* !CONFIG_PM_SLEEP */ -/* - * resume.c - */ +static inline void device_pm_sleep_init(struct device *dev) {} -extern void dpm_resume(void); -extern void dpm_power_up(void); -extern int resume_device(struct device *); +static inline void device_pm_add(struct device *dev) {} -/* - * suspend.c - */ -extern int suspend_device(struct device *, pm_message_t); +static inline void device_pm_remove(struct device *dev) +{ + pm_runtime_remove(dev); +} -#else /* CONFIG_PM_SLEEP */ +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 device_pm_add(struct device * dev) +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 device_pm_remove(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 |