49 static int udc_bind_to_driver(struct usb_udc *udc,
990 	struct usb_udc *udc = gadget->udc;  in usb_gadget_state_work()  local
992 	if (udc)  in usb_gadget_state_work()
993 		sysfs_notify(&udc->dev.kobj, NULL, "state");  in usb_gadget_state_work()
1006 static void usb_udc_connect_control(struct usb_udc *udc)  in usb_udc_connect_control()  argument
1008 	if (udc->vbus)  in usb_udc_connect_control()
1009 		usb_gadget_connect(udc->gadget);  in usb_udc_connect_control()
1011 		usb_gadget_disconnect(udc->gadget);  in usb_udc_connect_control()
1025 	struct usb_udc *udc = gadget->udc;  in usb_udc_vbus_handler()  local
1027 	if (udc) {  in usb_udc_vbus_handler()
1028 		udc->vbus = status;  in usb_udc_vbus_handler()
1029 		usb_udc_connect_control(udc);  in usb_udc_vbus_handler()
1064 static inline int usb_gadget_udc_start(struct usb_udc *udc)  in usb_gadget_udc_start()  argument
1066 	return udc->gadget->ops->udc_start(udc->gadget, udc->driver);  in usb_gadget_udc_start()
1081 static inline void usb_gadget_udc_stop(struct usb_udc *udc)  in usb_gadget_udc_stop()  argument
1083 	udc->gadget->ops->udc_stop(udc->gadget);  in usb_gadget_udc_stop()
1096 static inline void usb_gadget_udc_set_speed(struct usb_udc *udc,  in usb_gadget_udc_set_speed()  argument
1099 	if (udc->gadget->ops->udc_set_speed) {  in usb_gadget_udc_set_speed()
1102 		s = min(speed, udc->gadget->max_speed);  in usb_gadget_udc_set_speed()
1103 		udc->gadget->ops->udc_set_speed(udc->gadget, s);  in usb_gadget_udc_set_speed()
1116 	struct usb_udc *udc;  in usb_udc_release()  local
1118 	udc = container_of(dev, struct usb_udc, dev);  in usb_udc_release()
1120 	kfree(udc);  in usb_udc_release()
1131 static int check_pending_gadget_drivers(struct usb_udc *udc)  in check_pending_gadget_drivers()  argument
1138 						dev_name(&udc->dev)) == 0) {  in check_pending_gadget_drivers()
1139 			ret = udc_bind_to_driver(udc, driver);  in check_pending_gadget_drivers()
1161 	struct usb_udc		*udc;  in usb_add_gadget_udc_release()  local
1175 	udc = kzalloc(sizeof(*udc), GFP_KERNEL);  in usb_add_gadget_udc_release()
1176 	if (!udc)  in usb_add_gadget_udc_release()
1179 	device_initialize(&udc->dev);  in usb_add_gadget_udc_release()
1180 	udc->dev.release = usb_udc_release;  in usb_add_gadget_udc_release()
1181 	udc->dev.class = udc_class;  in usb_add_gadget_udc_release()
1182 	udc->dev.groups = usb_udc_attr_groups;  in usb_add_gadget_udc_release()
1183 	udc->dev.parent = parent;  in usb_add_gadget_udc_release()
1184 	ret = dev_set_name(&udc->dev, "%s", kobject_name(&parent->kobj));  in usb_add_gadget_udc_release()
1192 	udc->gadget = gadget;  in usb_add_gadget_udc_release()
1193 	gadget->udc = udc;  in usb_add_gadget_udc_release()
1196 	list_add_tail(&udc->list, &udc_list);  in usb_add_gadget_udc_release()
1198 	ret = device_add(&udc->dev);  in usb_add_gadget_udc_release()
1203 	udc->vbus = true;  in usb_add_gadget_udc_release()
1206 	ret = check_pending_gadget_drivers(udc);  in usb_add_gadget_udc_release()
1215 	device_del(&udc->dev);  in usb_add_gadget_udc_release()
1218 	list_del(&udc->list);  in usb_add_gadget_udc_release()
1224 	put_device(&udc->dev);  in usb_add_gadget_udc_release()
1246 	struct usb_udc *udc;  in usb_get_gadget_udc_name()  local
1251 	list_for_each_entry(udc, &udc_list, list) {  in usb_get_gadget_udc_name()
1252 		if (!udc->driver) {  in usb_get_gadget_udc_name()
1253 			name = kstrdup(udc->gadget->name, GFP_KERNEL);  in usb_get_gadget_udc_name()
1276 static void usb_gadget_remove_driver(struct usb_udc *udc)  in usb_gadget_remove_driver()  argument
1278 	dev_dbg(&udc->dev, "unregistering UDC driver [%s]\n",  in usb_gadget_remove_driver()
1279 			udc->driver->function);  in usb_gadget_remove_driver()
1281 	kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);  in usb_gadget_remove_driver()
1283 	usb_gadget_disconnect(udc->gadget);  in usb_gadget_remove_driver()
1284 	udc->driver->disconnect(udc->gadget);  in usb_gadget_remove_driver()
1285 	udc->driver->unbind(udc->gadget);  in usb_gadget_remove_driver()
1286 	usb_gadget_udc_stop(udc);  in usb_gadget_remove_driver()
1288 	udc->driver = NULL;  in usb_gadget_remove_driver()
1289 	udc->dev.driver = NULL;  in usb_gadget_remove_driver()
1290 	udc->gadget->dev.driver = NULL;  in usb_gadget_remove_driver()
1302 	struct usb_udc *udc = gadget->udc;  in usb_del_gadget_udc()  local
1304 	if (!udc)  in usb_del_gadget_udc()
1310 	list_del(&udc->list);  in usb_del_gadget_udc()
1312 	if (udc->driver) {  in usb_del_gadget_udc()
1313 		struct usb_gadget_driver *driver = udc->driver;  in usb_del_gadget_udc()
1315 		usb_gadget_remove_driver(udc);  in usb_del_gadget_udc()
1320 	kobject_uevent(&udc->dev.kobj, KOBJ_REMOVE);  in usb_del_gadget_udc()
1322 	device_unregister(&udc->dev);  in usb_del_gadget_udc()
1330 static int udc_bind_to_driver(struct usb_udc *udc, struct usb_gadget_driver *driver)  in udc_bind_to_driver()  argument
1334 	dev_dbg(&udc->dev, "registering UDC driver [%s]\n",  in udc_bind_to_driver()
1337 	udc->driver = driver;  in udc_bind_to_driver()
1338 	udc->dev.driver = &driver->driver;  in udc_bind_to_driver()
1339 	udc->gadget->dev.driver = &driver->driver;  in udc_bind_to_driver()
1341 	usb_gadget_udc_set_speed(udc, driver->max_speed);  in udc_bind_to_driver()
1343 	ret = driver->bind(udc->gadget, driver);  in udc_bind_to_driver()
1346 	ret = usb_gadget_udc_start(udc);  in udc_bind_to_driver()
1348 		driver->unbind(udc->gadget);  in udc_bind_to_driver()
1351 	usb_udc_connect_control(udc);  in udc_bind_to_driver()
1353 	kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);  in udc_bind_to_driver()
1357 		dev_err(&udc->dev, "failed to start %s: %d\n",  in udc_bind_to_driver()
1358 			udc->driver->function, ret);  in udc_bind_to_driver()
1359 	udc->driver = NULL;  in udc_bind_to_driver()
1360 	udc->dev.driver = NULL;  in udc_bind_to_driver()
1361 	udc->gadget->dev.driver = NULL;  in udc_bind_to_driver()
1367 	struct usb_udc		*udc = NULL;  in usb_gadget_probe_driver()  local
1375 		list_for_each_entry(udc, &udc_list, list) {  in usb_gadget_probe_driver()
1376 			ret = strcmp(driver->udc_name, dev_name(&udc->dev));  in usb_gadget_probe_driver()
1382 		else if (udc->driver)  in usb_gadget_probe_driver()
1387 		list_for_each_entry(udc, &udc_list, list) {  in usb_gadget_probe_driver()
1389 			if (!udc->driver)  in usb_gadget_probe_driver()
1404 	ret = udc_bind_to_driver(udc, driver);  in usb_gadget_probe_driver()
1412 	struct usb_udc		*udc = NULL;  in usb_gadget_unregister_driver()  local
1419 	list_for_each_entry(udc, &udc_list, list) {  in usb_gadget_unregister_driver()
1420 		if (udc->driver == driver) {  in usb_gadget_unregister_driver()
1421 			usb_gadget_remove_driver(udc);  in usb_gadget_unregister_driver()
1422 			usb_gadget_set_state(udc->gadget,  in usb_gadget_unregister_driver()
1426 			check_pending_gadget_drivers(udc);  in usb_gadget_unregister_driver()
1450 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in srp_store()  local
1453 		usb_gadget_wakeup(udc->gadget);  in srp_store()
1462 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in soft_connect_store()  local
1464 	if (!udc->driver) {  in soft_connect_store()
1470 		usb_gadget_udc_start(udc);  in soft_connect_store()
1471 		usb_gadget_connect(udc->gadget);  in soft_connect_store()
1473 		usb_gadget_disconnect(udc->gadget);  in soft_connect_store()
1474 		udc->driver->disconnect(udc->gadget);  in soft_connect_store()
1475 		usb_gadget_udc_stop(udc);  in soft_connect_store()
1488 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in state_show()  local
1489 	struct usb_gadget	*gadget = udc->gadget;  in state_show()
1498 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in function_show()  local
1499 	struct usb_gadget_driver *drv = udc->driver;  in function_show()
1511 	struct usb_udc *udc = container_of(dev, struct usb_udc, dev);	\
1513 			usb_speed_string(udc->gadget->param));		\
1524 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev); \
1525 	struct usb_gadget	*gadget = udc->gadget;		\
1566 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in usb_udc_uevent()  local
1569 	ret = add_uevent_var(env, "USB_UDC_NAME=%s", udc->gadget->name);  in usb_udc_uevent()
1575 	if (udc->driver) {  in usb_udc_uevent()
1577 				udc->driver->function);  in usb_udc_uevent()