diff options
Diffstat (limited to 'include/linux/pm_wakeup.h')
| -rw-r--r-- | include/linux/pm_wakeup.h | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/include/linux/pm_wakeup.h b/include/linux/pm_wakeup.h index aa3da6611533..77f4849e3418 100644 --- a/include/linux/pm_wakeup.h +++ b/include/linux/pm_wakeup.h @@ -84,6 +84,11 @@ static inline bool device_may_wakeup(struct device *dev) return dev->power.can_wakeup && !!dev->power.wakeup; } +static inline bool device_wakeup_path(struct device *dev) +{ + return dev->power.wakeup_path; +} + static inline void device_set_wakeup_path(struct device *dev) { dev->power.wakeup_path = true; @@ -104,7 +109,6 @@ extern struct wakeup_source *wakeup_sources_walk_next(struct wakeup_source *ws); extern int device_wakeup_enable(struct device *dev); extern int device_wakeup_disable(struct device *dev); extern void device_set_wakeup_capable(struct device *dev, bool capable); -extern int device_init_wakeup(struct device *dev, bool val); extern int device_set_wakeup_enable(struct device *dev, bool enable); extern void __pm_stay_awake(struct wakeup_source *ws); extern void pm_stay_awake(struct device *dev); @@ -162,16 +166,14 @@ static inline int device_set_wakeup_enable(struct device *dev, bool enable) return 0; } -static inline int device_init_wakeup(struct device *dev, bool val) +static inline bool device_may_wakeup(struct device *dev) { - device_set_wakeup_capable(dev, val); - device_set_wakeup_enable(dev, val); - return 0; + return dev->power.can_wakeup && dev->power.should_wakeup; } -static inline bool device_may_wakeup(struct device *dev) +static inline bool device_wakeup_path(struct device *dev) { - return dev->power.can_wakeup && dev->power.should_wakeup; + return false; } static inline void device_set_wakeup_path(struct device *dev) {} @@ -207,4 +209,27 @@ static inline void pm_wakeup_hard_event(struct device *dev) return pm_wakeup_dev_event(dev, 0, true); } +/** + * device_init_wakeup - Device wakeup initialization. + * @dev: Device to handle. + * @enable: Whether or not to enable @dev as a wakeup device. + * + * By default, most devices should leave wakeup disabled. The exceptions are + * devices that everyone expects to be wakeup sources: keyboards, power buttons, + * possibly network interfaces, etc. Also, devices that don't generate their + * own wakeup requests but merely forward requests from one bus to another + * (like PCI bridges) should have wakeup enabled by default. + */ +static inline int device_init_wakeup(struct device *dev, bool enable) +{ + if (enable) { + device_set_wakeup_capable(dev, true); + return device_wakeup_enable(dev); + } else { + device_wakeup_disable(dev); + device_set_wakeup_capable(dev, false); + return 0; + } +} + #endif /* _LINUX_PM_WAKEUP_H */ |