128 static int acpi_dev_pm_explicit_set(struct acpi_device *adev, int state)  in acpi_dev_pm_explicit_set()  argument
130 	if (adev->power.states[state].flags.explicit_set) {  in acpi_dev_pm_explicit_set()
134 		status = acpi_evaluate_object(adev->handle, method, NULL, NULL);  in acpi_dev_pm_explicit_set()
388 	struct acpi_device *adev;  in acpi_pm_notify_handler()  local
393 	adev = acpi_bus_get_acpi_device(handle);  in acpi_pm_notify_handler()
394 	if (!adev)  in acpi_pm_notify_handler()
399 	if (adev->wakeup.flags.notifier_present) {  in acpi_pm_notify_handler()
400 		__pm_wakeup_event(adev->wakeup.ws, 0);  in acpi_pm_notify_handler()
401 		if (adev->wakeup.context.work.func)  in acpi_pm_notify_handler()
402 			queue_pm_work(&adev->wakeup.context.work);  in acpi_pm_notify_handler()
407 	acpi_bus_put_acpi_device(adev);  in acpi_pm_notify_handler()
421 acpi_status acpi_add_pm_notifier(struct acpi_device *adev, struct device *dev,  in acpi_add_pm_notifier()  argument
431 	if (adev->wakeup.flags.notifier_present)  in acpi_add_pm_notifier()
434 	adev->wakeup.ws = wakeup_source_register(dev_name(&adev->dev));  in acpi_add_pm_notifier()
435 	adev->wakeup.context.dev = dev;  in acpi_add_pm_notifier()
437 		INIT_WORK(&adev->wakeup.context.work, work_func);  in acpi_add_pm_notifier()
439 	status = acpi_install_notify_handler(adev->handle, ACPI_SYSTEM_NOTIFY,  in acpi_add_pm_notifier()
444 	adev->wakeup.flags.notifier_present = true;  in acpi_add_pm_notifier()
455 acpi_status acpi_remove_pm_notifier(struct acpi_device *adev)  in acpi_remove_pm_notifier()  argument
461 	if (!adev->wakeup.flags.notifier_present)  in acpi_remove_pm_notifier()
464 	status = acpi_remove_notify_handler(adev->handle,  in acpi_remove_pm_notifier()
470 	if (adev->wakeup.context.work.func) {  in acpi_remove_pm_notifier()
471 		cancel_work_sync(&adev->wakeup.context.work);  in acpi_remove_pm_notifier()
472 		adev->wakeup.context.work.func = NULL;  in acpi_remove_pm_notifier()
474 	adev->wakeup.context.dev = NULL;  in acpi_remove_pm_notifier()
475 	wakeup_source_unregister(adev->wakeup.ws);  in acpi_remove_pm_notifier()
477 	adev->wakeup.flags.notifier_present = false;  in acpi_remove_pm_notifier()
515 static int acpi_dev_pm_get_state(struct device *dev, struct acpi_device *adev,  in acpi_dev_pm_get_state()  argument
519 	acpi_handle handle = adev->handle;  in acpi_dev_pm_get_state()
555 		if (!adev->power.states[ret].flags.valid) {  in acpi_dev_pm_get_state()
562 		wakeup = device_may_wakeup(dev) && adev->wakeup.flags.valid  in acpi_dev_pm_get_state()
563 			&& adev->wakeup.sleep_state >= target_state;  in acpi_dev_pm_get_state()
566 		wakeup = adev->wakeup.flags.valid;  in acpi_dev_pm_get_state()
584 			if (!adev->power.states[ret].flags.valid)  in acpi_dev_pm_get_state()
615 	struct acpi_device *adev;  in acpi_pm_device_sleep_state()  local
629 	adev = ACPI_COMPANION(dev);  in acpi_pm_device_sleep_state()
630 	if (!adev) {  in acpi_pm_device_sleep_state()
635 	ret = acpi_dev_pm_get_state(dev, adev, acpi_target_system_state(),  in acpi_pm_device_sleep_state()
645 			if (adev->power.states[d_max].flags.valid)  in acpi_pm_device_sleep_state()
685 static int acpi_device_wakeup(struct acpi_device *adev, u32 target_state,  in acpi_device_wakeup()  argument
688 	struct acpi_device_wakeup *wakeup = &adev->wakeup;  in acpi_device_wakeup()
694 		error = acpi_enable_wakeup_device_power(adev, target_state);  in acpi_device_wakeup()
698 		if (adev->wakeup.flags.enabled)  in acpi_device_wakeup()
703 			adev->wakeup.flags.enabled = 1;  in acpi_device_wakeup()
705 			acpi_disable_wakeup_device_power(adev);  in acpi_device_wakeup()
709 		if (adev->wakeup.flags.enabled) {  in acpi_device_wakeup()
711 			adev->wakeup.flags.enabled = 0;  in acpi_device_wakeup()
713 		acpi_disable_wakeup_device_power(adev);  in acpi_device_wakeup()
725 	struct acpi_device *adev;  in acpi_pm_device_run_wake()  local
730 	adev = ACPI_COMPANION(phys_dev);  in acpi_pm_device_run_wake()
731 	if (!adev) {  in acpi_pm_device_run_wake()
736 	return acpi_device_wakeup(adev, ACPI_STATE_S0, enable);  in acpi_pm_device_run_wake()
748 	struct acpi_device *adev;  in acpi_pm_device_sleep_wake()  local
754 	adev = ACPI_COMPANION(dev);  in acpi_pm_device_sleep_wake()
755 	if (!adev) {  in acpi_pm_device_sleep_wake()
760 	error = acpi_device_wakeup(adev, acpi_target_system_state(), enable);  in acpi_pm_device_sleep_wake()
775 static int acpi_dev_pm_low_power(struct device *dev, struct acpi_device *adev,  in acpi_dev_pm_low_power()  argument
780 	if (!acpi_device_power_manageable(adev))  in acpi_dev_pm_low_power()
783 	ret = acpi_dev_pm_get_state(dev, adev, system_state, NULL, &state);  in acpi_dev_pm_low_power()
784 	return ret ? ret : acpi_device_set_power(adev, state);  in acpi_dev_pm_low_power()
791 static int acpi_dev_pm_full_power(struct acpi_device *adev)  in acpi_dev_pm_full_power()  argument
793 	return acpi_device_power_manageable(adev) ?  in acpi_dev_pm_full_power()
794 		acpi_device_set_power(adev, ACPI_STATE_D0) : 0;  in acpi_dev_pm_full_power()
808 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_runtime_suspend()  local
812 	if (!adev)  in acpi_dev_runtime_suspend()
817 	error = acpi_device_wakeup(adev, ACPI_STATE_S0, remote_wakeup);  in acpi_dev_runtime_suspend()
821 	error = acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0);  in acpi_dev_runtime_suspend()
823 		acpi_device_wakeup(adev, ACPI_STATE_S0, false);  in acpi_dev_runtime_suspend()
839 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_runtime_resume()  local
842 	if (!adev)  in acpi_dev_runtime_resume()
845 	error = acpi_dev_pm_full_power(adev);  in acpi_dev_runtime_resume()
846 	acpi_device_wakeup(adev, ACPI_STATE_S0, false);  in acpi_dev_runtime_resume()
891 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_suspend_late()  local
896 	if (!adev)  in acpi_dev_suspend_late()
900 	wakeup = device_may_wakeup(dev) && acpi_device_can_wakeup(adev);  in acpi_dev_suspend_late()
901 	error = acpi_device_wakeup(adev, target_state, wakeup);  in acpi_dev_suspend_late()
905 	error = acpi_dev_pm_low_power(dev, adev, target_state);  in acpi_dev_suspend_late()
907 		acpi_device_wakeup(adev, ACPI_STATE_UNKNOWN, false);  in acpi_dev_suspend_late()
923 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_resume_early()  local
926 	if (!adev)  in acpi_dev_resume_early()
929 	error = acpi_dev_pm_full_power(adev);  in acpi_dev_resume_early()
930 	acpi_device_wakeup(adev, ACPI_STATE_UNKNOWN, false);  in acpi_dev_resume_early()
941 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_subsys_prepare()  local
949 	if (!adev || !pm_runtime_suspended(dev)  in acpi_subsys_prepare()
950 	    || device_may_wakeup(dev) != !!adev->wakeup.prepare_count)  in acpi_subsys_prepare()
957 	if (adev->power.flags.dsw_present)  in acpi_subsys_prepare()
960 	ret = acpi_dev_pm_get_state(dev, adev, sys_target, NULL, &state);  in acpi_subsys_prepare()
961 	return !ret && state == adev->power.state;  in acpi_subsys_prepare()
1059 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_pm_detach()  local
1061 	if (adev && dev->pm_domain == &acpi_general_pm_domain) {  in acpi_dev_pm_detach()
1063 		acpi_remove_pm_notifier(adev);  in acpi_dev_pm_detach()
1073 			acpi_device_wakeup(adev, ACPI_STATE_S0, false);  in acpi_dev_pm_detach()
1074 			acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0);  in acpi_dev_pm_detach()
1097 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_pm_attach()  local
1099 	if (!adev)  in acpi_dev_pm_attach()
1110 	if (!acpi_device_is_first_physical_node(adev, dev))  in acpi_dev_pm_attach()
1113 	acpi_add_pm_notifier(adev, dev, acpi_pm_notify_work_func);  in acpi_dev_pm_attach()
1116 		acpi_dev_pm_full_power(adev);  in acpi_dev_pm_attach()
1117 		acpi_device_wakeup(adev, ACPI_STATE_S0, false);  in acpi_dev_pm_attach()