459 	if (adev->wakeup.flags.notifier_present) {  in acpi_pm_notify_handler()
460 		pm_wakeup_ws_event(adev->wakeup.ws, 0, acpi_s2idle_wakeup());  in acpi_pm_notify_handler()
461 		if (adev->wakeup.context.func) {  in acpi_pm_notify_handler()
463 					  adev->wakeup.context.func,  in acpi_pm_notify_handler()
464 					  dev_name(adev->wakeup.context.dev));  in acpi_pm_notify_handler()
465 			adev->wakeup.context.func(&adev->wakeup.context);  in acpi_pm_notify_handler()
477  * @dev: Device to generate a wakeup event for while handling the notification.
480  * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of
481  * PM wakeup events.  For example, wakeup events may be generated for bridges
482  * if one of the devices below the bridge is signaling wakeup, even if the
483  * bridge itself doesn't have a wakeup GPE associated with it.
495 	if (adev->wakeup.flags.notifier_present)  in acpi_add_pm_notifier()
504 	adev->wakeup.ws = wakeup_source_register(&adev->dev,  in acpi_add_pm_notifier()
506 	adev->wakeup.context.dev = dev;  in acpi_add_pm_notifier()
507 	adev->wakeup.context.func = func;  in acpi_add_pm_notifier()
508 	adev->wakeup.flags.notifier_present = true;  in acpi_add_pm_notifier()
526 	if (!adev->wakeup.flags.notifier_present)  in acpi_remove_pm_notifier()
536 	adev->wakeup.context.func = NULL;  in acpi_remove_pm_notifier()
537 	adev->wakeup.context.dev = NULL;  in acpi_remove_pm_notifier()
538 	wakeup_source_unregister(adev->wakeup.ws);  in acpi_remove_pm_notifier()
539 	adev->wakeup.flags.notifier_present = false;  in acpi_remove_pm_notifier()
553 	return result ? false : device->wakeup.flags.valid;  in acpi_bus_can_wakeup()
592 	bool wakeup = false;  in acpi_dev_pm_get_state()  local
599 	 * wakeup, in which case the return value of _S0W has to be used as the  in acpi_dev_pm_get_state()
637 		wakeup = device_may_wakeup(dev) && adev->wakeup.flags.valid  in acpi_dev_pm_get_state()
638 			&& adev->wakeup.sleep_state >= target_state;  in acpi_dev_pm_get_state()
640 		wakeup = adev->wakeup.flags.valid;  in acpi_dev_pm_get_state()
646 	 * wakeup-aware driver if wake is set).  Still, if _SxW exists  in acpi_dev_pm_get_state()
650 	if (wakeup) {  in acpi_dev_pm_get_state()
736  * acpi_pm_notify_work_func - ACPI devices wakeup notification work function.
737  * @context: Device wakeup context.
754 	struct acpi_device_wakeup *wakeup = &adev->wakeup;  in __acpi_device_wakeup_enable()  local
760 	if (wakeup->enable_count >= max_count)  in __acpi_device_wakeup_enable()
763 	if (wakeup->enable_count > 0)  in __acpi_device_wakeup_enable()
770 	status = acpi_enable_gpe(wakeup->gpe_device, wakeup->gpe_number);  in __acpi_device_wakeup_enable()
777 	acpi_handle_debug(adev->handle, "GPE%2X enabled for wakeup\n",  in __acpi_device_wakeup_enable()
778 			  (unsigned int)wakeup->gpe_number);  in __acpi_device_wakeup_enable()
781 	wakeup->enable_count++;  in __acpi_device_wakeup_enable()
789  * acpi_device_wakeup_enable - Enable wakeup functionality for device.
790  * @adev: ACPI device to enable wakeup functionality for.
793  * Enable the GPE associated with @adev so that it can generate wakeup signals
794  * for the device in response to external (remote) events and enable wakeup
806  * acpi_device_wakeup_disable - Disable wakeup functionality for device.
807  * @adev: ACPI device to disable wakeup functionality for.
809  * Disable the GPE associated with @adev and disable wakeup power for it.
816 	struct acpi_device_wakeup *wakeup = &adev->wakeup;  in acpi_device_wakeup_disable()  local
820 	if (!wakeup->enable_count)  in acpi_device_wakeup_disable()
823 	acpi_disable_gpe(wakeup->gpe_device, wakeup->gpe_number);  in acpi_device_wakeup_disable()
826 	wakeup->enable_count--;  in acpi_device_wakeup_disable()
849 		dev_dbg(dev, "Wakeup disabled by ACPI\n");  in __acpi_pm_set_device_wakeup()
856 		dev_dbg(dev, "Wakeup enabled by ACPI\n");  in __acpi_pm_set_device_wakeup()
862  * acpi_pm_set_device_wakeup - Enable/disable remote wakeup for given device.
863  * @dev: Device to enable/disable to generate wakeup events.
864  * @enable: Whether to enable or disable the wakeup functionality.
873  * acpi_pm_set_bridge_wakeup - Enable/disable remote wakeup for given bridge.
874  * @dev: Bridge device to enable/disable to generate wakeup events.
875  * @enable: Whether to enable or disable the wakeup functionality.
914  * @wakeup: Whether or not to enable wakeup for the device.
917  * mechanism.  Set up remote wakeup if desired, choose the state to put the
918  * device into (this checks if remote wakeup is expected to work too), and set
921 int acpi_dev_suspend(struct device *dev, bool wakeup)  in acpi_dev_suspend()  argument
930 	if (wakeup && acpi_device_can_wakeup(adev)) {  in acpi_dev_suspend()
935 		wakeup = false;  in acpi_dev_suspend()
939 	if (error && wakeup)  in acpi_dev_suspend()
951  * mechanism.  Set the power state of the device to ACPI D0 and disable wakeup.
1001 	if (!pm_runtime_suspended(dev) || !adev || (adev->wakeup.flags.valid &&  in acpi_dev_needs_resume()
1002 	    device_may_wakeup(dev) != !!adev->wakeup.prepare_count))  in acpi_dev_needs_resume()
1112 	 * to check whether or not the device's wakeup settings are good for  in acpi_subsys_suspend_noirq()
1265  * Remove the device from the general ACPI PM domain and remove its wakeup
1300  * attached to it, install a wakeup notification handler for the device and