82 void acpi_initialize_hp_context(struct acpi_device *adev,  in acpi_initialize_hp_context()  argument
90 	acpi_set_hp_context(adev, hp);  in acpi_initialize_hp_context()
249 	struct acpi_device *adev;  in acpi_companion_match()  local
252 	adev = ACPI_COMPANION(dev);  in acpi_companion_match()
253 	if (!adev)  in acpi_companion_match()
256 	if (list_empty(&adev->pnp.ids))  in acpi_companion_match()
259 	physical_node_lock = &adev->physical_node_lock;  in acpi_companion_match()
261 	if (list_empty(&adev->physical_node_list)) {  in acpi_companion_match()
262 		adev = NULL;  in acpi_companion_match()
266 		node = list_first_entry(&adev->physical_node_list,  in acpi_companion_match()
269 			adev = NULL;  in acpi_companion_match()
273 	return adev;  in acpi_companion_match()
276 static int __acpi_device_uevent_modalias(struct acpi_device *adev,  in __acpi_device_uevent_modalias()  argument
281 	if (!adev)  in __acpi_device_uevent_modalias()
284 	if (list_empty(&adev->pnp.ids))  in __acpi_device_uevent_modalias()
290 	len = create_pnp_modalias(adev, &env->buf[env->buflen - 1],  in __acpi_device_uevent_modalias()
296 	if (!adev->data.of_compatible)  in __acpi_device_uevent_modalias()
302 	len = create_of_modalias(adev, &env->buf[env->buflen - 1],  in __acpi_device_uevent_modalias()
324 static int __acpi_device_modalias(struct acpi_device *adev, char *buf, int size)  in __acpi_device_modalias()  argument
328 	if (!adev)  in __acpi_device_modalias()
331 	if (list_empty(&adev->pnp.ids))  in __acpi_device_modalias()
334 	len = create_pnp_modalias(adev, buf, size - 1);  in __acpi_device_modalias()
341 	if (!adev->data.of_compatible)  in __acpi_device_modalias()
344 	count = create_of_modalias(adev, buf + len, size - 1);  in __acpi_device_modalias()
373 bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent)  in acpi_scan_is_offline()  argument
382 	mutex_lock_nested(&adev->physical_node_lock, SINGLE_DEPTH_NESTING);  in acpi_scan_is_offline()
384 	list_for_each_entry(pn, &adev->physical_node_list, node)  in acpi_scan_is_offline()
393 	mutex_unlock(&adev->physical_node_lock);  in acpi_scan_is_offline()
560 static int acpi_scan_device_not_present(struct acpi_device *adev)  in acpi_scan_device_not_present()  argument
562 	if (!acpi_device_enumerated(adev)) {  in acpi_scan_device_not_present()
563 		dev_warn(&adev->dev, "Still not present\n");  in acpi_scan_device_not_present()
566 	acpi_bus_trim(adev);  in acpi_scan_device_not_present()
570 static int acpi_scan_device_check(struct acpi_device *adev)  in acpi_scan_device_check()  argument
574 	acpi_bus_get_status(adev);  in acpi_scan_device_check()
575 	if (adev->status.present || adev->status.functional) {  in acpi_scan_device_check()
584 		if (adev->handler) {  in acpi_scan_device_check()
585 			dev_warn(&adev->dev, "Already enumerated\n");  in acpi_scan_device_check()
588 		error = acpi_bus_scan(adev->handle);  in acpi_scan_device_check()
590 			dev_warn(&adev->dev, "Namespace scan failure\n");  in acpi_scan_device_check()
593 		if (!adev->handler) {  in acpi_scan_device_check()
594 			dev_warn(&adev->dev, "Enumeration failure\n");  in acpi_scan_device_check()
598 		error = acpi_scan_device_not_present(adev);  in acpi_scan_device_check()
603 static int acpi_scan_bus_check(struct acpi_device *adev)  in acpi_scan_bus_check()  argument
605 	struct acpi_scan_handler *handler = adev->handler;  in acpi_scan_bus_check()
609 	acpi_bus_get_status(adev);  in acpi_scan_bus_check()
610 	if (!(adev->status.present || adev->status.functional)) {  in acpi_scan_bus_check()
611 		acpi_scan_device_not_present(adev);  in acpi_scan_bus_check()
615 		return handler->hotplug.scan_dependent(adev);  in acpi_scan_bus_check()
617 	error = acpi_bus_scan(adev->handle);  in acpi_scan_bus_check()
619 		dev_warn(&adev->dev, "Namespace scan failure\n");  in acpi_scan_bus_check()
622 	list_for_each_entry(child, &adev->children, node) {  in acpi_scan_bus_check()
630 static int acpi_generic_hotplug_event(struct acpi_device *adev, u32 type)  in acpi_generic_hotplug_event()  argument
634 		return acpi_scan_bus_check(adev);  in acpi_generic_hotplug_event()
636 		return acpi_scan_device_check(adev);  in acpi_generic_hotplug_event()
639 		if (adev->handler && !adev->handler->hotplug.enabled) {  in acpi_generic_hotplug_event()
640 			dev_info(&adev->dev, "Eject disabled\n");  in acpi_generic_hotplug_event()
643 		acpi_evaluate_ost(adev->handle, ACPI_NOTIFY_EJECT_REQUEST,  in acpi_generic_hotplug_event()
645 		return acpi_scan_hot_remove(adev);  in acpi_generic_hotplug_event()
650 void acpi_device_hotplug(struct acpi_device *adev, u32 src)  in acpi_device_hotplug()  argument
663 	if (adev->handle == INVALID_ACPI_HANDLE)  in acpi_device_hotplug()
666 	if (adev->flags.is_dock_station) {  in acpi_device_hotplug()
667 		error = dock_notify(adev, src);  in acpi_device_hotplug()
668 	} else if (adev->flags.hotplug_notify) {  in acpi_device_hotplug()
669 		error = acpi_generic_hotplug_event(adev, src);  in acpi_device_hotplug()
678 		notify = adev->hp ? adev->hp->notify : NULL;  in acpi_device_hotplug()
685 			error = notify(adev, src);  in acpi_device_hotplug()
693 	acpi_evaluate_ost(adev->handle, src, ost_code, NULL);  in acpi_device_hotplug()
696 	acpi_bus_put_acpi_device(adev);  in acpi_device_hotplug()
704 	struct acpi_device *adev = to_acpi_device(dev);  in real_power_state_show()  local
708 	ret = acpi_device_get_power(adev, &state);  in real_power_state_show()
720 	struct acpi_device *adev = to_acpi_device(dev);  in power_state_show()  local
722 	return sprintf(buf, "%s\n", acpi_power_state_string(adev->power.state));  in power_state_show()
987 static bool acpi_of_match_device(struct acpi_device *adev,  in acpi_of_match_device()  argument
993 	if (!adev)  in acpi_of_match_device()
996 	of_compatible = adev->data.of_compatible;  in acpi_of_match_device()
1279 		struct acpi_device *adev;  in acpi_device_del_work_fn()  local
1287 		adev = list_first_entry(&acpi_device_del_list,  in acpi_device_del_work_fn()
1289 		list_del(&adev->del_list);  in acpi_device_del_work_fn()
1293 		acpi_device_del(adev);  in acpi_device_del_work_fn()
1298 		acpi_power_transition(adev, ACPI_STATE_D3_COLD);  in acpi_device_del_work_fn()
1299 		put_device(&adev->dev);  in acpi_device_del_work_fn()
1319 	struct acpi_device *adev = context;  in acpi_scan_drop_device()  local
1336 	list_add_tail(&adev->del_list, &acpi_device_del_list);  in acpi_scan_drop_device()
1338 	adev->handle = INVALID_ACPI_HANDLE;  in acpi_scan_drop_device()
1375 	struct acpi_device *adev = NULL;  in acpi_bus_get_acpi_device()  local
1377 	acpi_get_device_data(handle, &adev, get_acpi_device);  in acpi_bus_get_acpi_device()
1378 	return adev;  in acpi_bus_get_acpi_device()
1381 void acpi_bus_put_acpi_device(struct acpi_device *adev)  in acpi_bus_put_acpi_device()  argument
1383 	put_device(&adev->dev);  in acpi_bus_put_acpi_device()
1485 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_get_next_child()  local
1488 	if (!adev)  in acpi_get_next_child()
1491 	head = &adev->children;  in acpi_get_next_child()
1921 bool acpi_device_is_battery(struct acpi_device *adev)  in acpi_device_is_battery()  argument
1925 	list_for_each_entry(hwid, &adev->pnp.ids, list)  in acpi_device_is_battery()
1932 static bool is_ejectable_bay(struct acpi_device *adev)  in is_ejectable_bay()  argument
1934 	acpi_handle handle = adev->handle;  in is_ejectable_bay()
1936 	if (acpi_has_method(handle, "_EJ0") && acpi_device_is_battery(adev))  in is_ejectable_bay()
2212 bool acpi_device_is_present(struct acpi_device *adev)  in acpi_device_is_present()  argument
2214 	if (adev->status.present || adev->status.functional)  in acpi_device_is_present()
2217 	adev->flags.initialized = false;  in acpi_device_is_present()
2265 static void acpi_scan_init_hotplug(struct acpi_device *adev)  in acpi_scan_init_hotplug()  argument
2269 	if (acpi_dock_match(adev->handle) || is_ejectable_bay(adev)) {  in acpi_scan_init_hotplug()
2270 		acpi_dock_add(adev);  in acpi_scan_init_hotplug()
2273 	list_for_each_entry(hwid, &adev->pnp.ids, list) {  in acpi_scan_init_hotplug()
2278 			adev->flags.hotplug_notify = true;  in acpi_scan_init_hotplug()
2284 static void acpi_device_dep_initialize(struct acpi_device *adev)  in acpi_device_dep_initialize()  argument
2291 	if (!acpi_has_method(adev->handle, "_DEP"))  in acpi_device_dep_initialize()
2294 	status = acpi_evaluate_reference(adev->handle, "_DEP", NULL,  in acpi_device_dep_initialize()
2297 		dev_dbg(&adev->dev, "Failed to evaluate _DEP.\n");  in acpi_device_dep_initialize()
2307 			dev_dbg(&adev->dev, "Error reading _DEP device info\n");  in acpi_device_dep_initialize()
2328 		dep->slave  = adev->handle;  in acpi_device_dep_initialize()
2329 		adev->dep_unmet++;  in acpi_device_dep_initialize()
2412 static int acpi_generic_device_attach(struct acpi_device *adev,  in acpi_generic_device_attach()  argument
2419 	if (adev->data.of_compatible)  in acpi_generic_device_attach()
2420 		acpi_default_enumeration(adev);  in acpi_generic_device_attach()
2513 	struct acpi_device *adev;  in acpi_walk_dep_device_list()  local
2518 			acpi_bus_get_device(dep->slave, &adev);  in acpi_walk_dep_device_list()
2519 			if (!adev)  in acpi_walk_dep_device_list()
2522 			adev->dep_unmet--;  in acpi_walk_dep_device_list()
2523 			if (!adev->dep_unmet)  in acpi_walk_dep_device_list()
2524 				acpi_bus_attach(adev);  in acpi_walk_dep_device_list()
2569 void acpi_bus_trim(struct acpi_device *adev)  in acpi_bus_trim()  argument
2571 	struct acpi_scan_handler *handler = adev->handler;  in acpi_bus_trim()
2574 	list_for_each_entry_reverse(child, &adev->children, node)  in acpi_bus_trim()
2577 	adev->flags.match_driver = false;  in acpi_bus_trim()
2580 			handler->detach(adev);  in acpi_bus_trim()
2582 		adev->handler = NULL;  in acpi_bus_trim()
2584 		device_release_driver(&adev->dev);  in acpi_bus_trim()
2590 	acpi_device_set_power(adev, ACPI_STATE_D3_COLD);  in acpi_bus_trim()
2591 	adev->flags.initialized = false;  in acpi_bus_trim()
2592 	adev->flags.visited = false;  in acpi_bus_trim()