#ifndef _DEVICE_H_ # error "Please do not include this file directly." #endif
#include <linux/types.h>
struct wake_irq;
/** * struct wakeup_source - Representation of wakeup sources * * @name: Name of the wakeup source * @id: Wakeup source id * @entry: Wakeup source list entry * @lock: Wakeup source lock * @wakeirq: Optional device specific wakeirq * @timer: Wakeup timer list * @timer_expires: Wakeup timer expiration * @total_time: Total time this wakeup source has been active. * @max_time: Maximum time this wakeup source has been continuously active. * @last_time: Monotonic clock when the wakeup source's was touched last time. * @prevent_sleep_time: Total time this source has been preventing autosleep. * @event_count: Number of signaled wakeup events. * @active_count: Number of times the wakeup source was activated. * @relax_count: Number of times the wakeup source was deactivated. * @expire_count: Number of times the wakeup source's timeout has expired. * @wakeup_count: Number of times the wakeup source might abort suspend. * @dev: Struct device for sysfs statistics about the wakeup source. * @active: Status of the wakeup source. * @autosleep_enabled: Autosleep is active, so update @prevent_sleep_time.
*/ struct wakeup_source { constchar *name; int id; struct list_head entry;
spinlock_t lock; struct wake_irq *wakeirq; struct timer_list timer; unsignedlong timer_expires;
ktime_t total_time;
ktime_t max_time;
ktime_t last_time;
ktime_t start_prevent_time;
ktime_t prevent_sleep_time; unsignedlong event_count; unsignedlong active_count; unsignedlong relax_count; unsignedlong expire_count; unsignedlong wakeup_count; struct device *dev; bool active:1; bool autosleep_enabled:1;
};
/** * 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.
*/ staticinlineint device_init_wakeup(struct device *dev, bool enable)
{ if (enable) {
device_set_wakeup_capable(dev, true); return device_wakeup_enable(dev);
}
device_wakeup_disable(dev);
device_set_wakeup_capable(dev, false); return 0;
}
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