460 	if (adev->wakeup.flags.notifier_present) {  in acpi_pm_notify_handler()
461 		pm_wakeup_ws_event(adev->wakeup.ws, 0, acpi_s2idle_wakeup());  in acpi_pm_notify_handler()
462 		if (adev->wakeup.context.func) {  in acpi_pm_notify_handler()
464 					  adev->wakeup.context.func,  in acpi_pm_notify_handler()
465 					  dev_name(adev->wakeup.context.dev));  in acpi_pm_notify_handler()
466 			adev->wakeup.context.func(&adev->wakeup.context);  in acpi_pm_notify_handler()
478  * @dev: Device to generate a wakeup event for while handling the notification.
481  * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of
482  * PM wakeup events.  For example, wakeup events may be generated for bridges
483  * if one of the devices below the bridge is signaling wakeup, even if the
484  * bridge itself doesn't have a wakeup GPE associated with it.
496 	if (adev->wakeup.flags.notifier_present)  in acpi_add_pm_notifier()
505 	adev->wakeup.ws = wakeup_source_register(&adev->dev,  in acpi_add_pm_notifier()
507 	adev->wakeup.context.dev = dev;  in acpi_add_pm_notifier()
508 	adev->wakeup.context.func = func;  in acpi_add_pm_notifier()
509 	adev->wakeup.flags.notifier_present = true;  in acpi_add_pm_notifier()
527 	if (!adev->wakeup.flags.notifier_present)  in acpi_remove_pm_notifier()
537 	adev->wakeup.context.func = NULL;  in acpi_remove_pm_notifier()
538 	adev->wakeup.context.dev = NULL;  in acpi_remove_pm_notifier()
539 	wakeup_source_unregister(adev->wakeup.ws);  in acpi_remove_pm_notifier()
540 	adev->wakeup.flags.notifier_present = false;  in acpi_remove_pm_notifier()
554 	return result ? false : device->wakeup.flags.valid;  in acpi_bus_can_wakeup()
593 	bool wakeup = false;  in acpi_dev_pm_get_state()  local
600 	 * wakeup, in which case the return value of _S0W has to be used as the  in acpi_dev_pm_get_state()
638 		wakeup = device_may_wakeup(dev) && adev->wakeup.flags.valid  in acpi_dev_pm_get_state()
639 			&& adev->wakeup.sleep_state >= target_state;  in acpi_dev_pm_get_state()
641 		wakeup = adev->wakeup.flags.valid;  in acpi_dev_pm_get_state()
647 	 * wakeup-aware driver if wake is set).  Still, if _SxW exists  in acpi_dev_pm_get_state()
651 	if (wakeup) {  in acpi_dev_pm_get_state()
737  * acpi_pm_notify_work_func - ACPI devices wakeup notification work function.
738  * @context: Device wakeup context.
755 	struct acpi_device_wakeup *wakeup = &adev->wakeup;  in __acpi_device_wakeup_enable()  local
761 	if (wakeup->enable_count >= INT_MAX) {  in __acpi_device_wakeup_enable()
762 		acpi_handle_info(adev->handle, "Wakeup enable count out of bounds!\n");  in __acpi_device_wakeup_enable()
765 	if (wakeup->enable_count > 0)  in __acpi_device_wakeup_enable()
772 	status = acpi_enable_gpe(wakeup->gpe_device, wakeup->gpe_number);  in __acpi_device_wakeup_enable()
779 	acpi_handle_debug(adev->handle, "GPE%2X enabled for wakeup\n",  in __acpi_device_wakeup_enable()
780 			  (unsigned int)wakeup->gpe_number);  in __acpi_device_wakeup_enable()
783 	wakeup->enable_count++;  in __acpi_device_wakeup_enable()
791  * acpi_device_wakeup_enable - Enable wakeup functionality for device.
792  * @adev: ACPI device to enable wakeup functionality for.
795  * Enable the GPE associated with @adev so that it can generate wakeup signals
796  * for the device in response to external (remote) events and enable wakeup
808  * acpi_device_wakeup_disable - Disable wakeup functionality for device.
809  * @adev: ACPI device to disable wakeup functionality for.
811  * Disable the GPE associated with @adev and disable wakeup power for it.
818 	struct acpi_device_wakeup *wakeup = &adev->wakeup;  in acpi_device_wakeup_disable()  local
822 	if (!wakeup->enable_count)  in acpi_device_wakeup_disable()
825 	acpi_disable_gpe(wakeup->gpe_device, wakeup->gpe_number);  in acpi_device_wakeup_disable()
828 	wakeup->enable_count--;  in acpi_device_wakeup_disable()
835  * acpi_pm_set_device_wakeup - Enable/disable remote wakeup for given device.
836  * @dev: Device to enable/disable to generate wakeup events.
837  * @enable: Whether to enable or disable the wakeup functionality.
855 		dev_dbg(dev, "Wakeup disabled by ACPI\n");  in acpi_pm_set_device_wakeup()
861 		dev_dbg(dev, "Wakeup enabled by ACPI\n");  in acpi_pm_set_device_wakeup()
898  * @wakeup: Whether or not to enable wakeup for the device.
901  * mechanism.  Set up remote wakeup if desired, choose the state to put the
902  * device into (this checks if remote wakeup is expected to work too), and set
905 int acpi_dev_suspend(struct device *dev, bool wakeup)  in acpi_dev_suspend()  argument
914 	if (wakeup && acpi_device_can_wakeup(adev)) {  in acpi_dev_suspend()
919 		wakeup = false;  in acpi_dev_suspend()
923 	if (error && wakeup)  in acpi_dev_suspend()
935  * mechanism.  Set the power state of the device to ACPI D0 and disable wakeup.
985 	if (!pm_runtime_suspended(dev) || !adev || (adev->wakeup.flags.valid &&  in acpi_dev_needs_resume()
986 	    device_may_wakeup(dev) != !!adev->wakeup.prepare_count))  in acpi_dev_needs_resume()
1096 	 * to check whether or not the device's wakeup settings are good for  in acpi_subsys_suspend_noirq()
1249  * Remove the device from the general ACPI PM domain and remove its wakeup
1284  * attached to it, install a wakeup notification handler for the device and