49 static int udc_bind_to_driver(struct usb_udc *udc,
730 		gadget->udc->driver->disconnect(gadget);  in usb_gadget_disconnect()
1006 	struct usb_udc *udc = gadget->udc;  in usb_gadget_state_work()  local
1008 	if (udc)  in usb_gadget_state_work()
1009 		sysfs_notify(&udc->dev.kobj, NULL, "state");  in usb_gadget_state_work()
1022 static void usb_udc_connect_control(struct usb_udc *udc)  in usb_udc_connect_control()  argument
1024 	if (udc->vbus)  in usb_udc_connect_control()
1025 		usb_gadget_connect(udc->gadget);  in usb_udc_connect_control()
1027 		usb_gadget_disconnect(udc->gadget);  in usb_udc_connect_control()
1041 	struct usb_udc *udc = gadget->udc;  in usb_udc_vbus_handler()  local
1043 	if (udc) {  in usb_udc_vbus_handler()
1044 		udc->vbus = status;  in usb_udc_vbus_handler()
1045 		usb_udc_connect_control(udc);  in usb_udc_vbus_handler()
1080 static inline int usb_gadget_udc_start(struct usb_udc *udc)  in usb_gadget_udc_start()  argument
1082 	return udc->gadget->ops->udc_start(udc->gadget, udc->driver);  in usb_gadget_udc_start()
1097 static inline void usb_gadget_udc_stop(struct usb_udc *udc)  in usb_gadget_udc_stop()  argument
1099 	udc->gadget->ops->udc_stop(udc->gadget);  in usb_gadget_udc_stop()
1112 static inline void usb_gadget_udc_set_speed(struct usb_udc *udc,  in usb_gadget_udc_set_speed()  argument
1115 	if (udc->gadget->ops->udc_set_speed) {  in usb_gadget_udc_set_speed()
1118 		s = min(speed, udc->gadget->max_speed);  in usb_gadget_udc_set_speed()
1119 		udc->gadget->ops->udc_set_speed(udc->gadget, s);  in usb_gadget_udc_set_speed()
1132 	struct usb_udc *udc;  in usb_udc_release()  local
1134 	udc = container_of(dev, struct usb_udc, dev);  in usb_udc_release()
1136 	kfree(udc);  in usb_udc_release()
1147 static int check_pending_gadget_drivers(struct usb_udc *udc)  in check_pending_gadget_drivers()  argument
1154 						dev_name(&udc->dev)) == 0) {  in check_pending_gadget_drivers()
1155 			ret = udc_bind_to_driver(udc, driver);  in check_pending_gadget_drivers()
1177 	struct usb_udc		*udc;  in usb_add_gadget_udc_release()  local
1191 	udc = kzalloc(sizeof(*udc), GFP_KERNEL);  in usb_add_gadget_udc_release()
1192 	if (!udc)  in usb_add_gadget_udc_release()
1195 	device_initialize(&udc->dev);  in usb_add_gadget_udc_release()
1196 	udc->dev.release = usb_udc_release;  in usb_add_gadget_udc_release()
1197 	udc->dev.class = udc_class;  in usb_add_gadget_udc_release()
1198 	udc->dev.groups = usb_udc_attr_groups;  in usb_add_gadget_udc_release()
1199 	udc->dev.parent = parent;  in usb_add_gadget_udc_release()
1200 	ret = dev_set_name(&udc->dev, "%s", kobject_name(&parent->kobj));  in usb_add_gadget_udc_release()
1208 	udc->gadget = gadget;  in usb_add_gadget_udc_release()
1209 	gadget->udc = udc;  in usb_add_gadget_udc_release()
1212 	list_add_tail(&udc->list, &udc_list);  in usb_add_gadget_udc_release()
1214 	ret = device_add(&udc->dev);  in usb_add_gadget_udc_release()
1219 	udc->vbus = true;  in usb_add_gadget_udc_release()
1222 	ret = check_pending_gadget_drivers(udc);  in usb_add_gadget_udc_release()
1231 	device_del(&udc->dev);  in usb_add_gadget_udc_release()
1234 	list_del(&udc->list);  in usb_add_gadget_udc_release()
1240 	put_device(&udc->dev);  in usb_add_gadget_udc_release()
1262 	struct usb_udc *udc;  in usb_get_gadget_udc_name()  local
1267 	list_for_each_entry(udc, &udc_list, list) {  in usb_get_gadget_udc_name()
1268 		if (!udc->driver) {  in usb_get_gadget_udc_name()
1269 			name = kstrdup(udc->gadget->name, GFP_KERNEL);  in usb_get_gadget_udc_name()
1292 static void usb_gadget_remove_driver(struct usb_udc *udc)  in usb_gadget_remove_driver()  argument
1294 	dev_dbg(&udc->dev, "unregistering UDC driver [%s]\n",  in usb_gadget_remove_driver()
1295 			udc->driver->function);  in usb_gadget_remove_driver()
1297 	kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);  in usb_gadget_remove_driver()
1299 	usb_gadget_disconnect(udc->gadget);  in usb_gadget_remove_driver()
1300 	udc->driver->unbind(udc->gadget);  in usb_gadget_remove_driver()
1301 	usb_gadget_udc_stop(udc);  in usb_gadget_remove_driver()
1303 	udc->driver = NULL;  in usb_gadget_remove_driver()
1304 	udc->dev.driver = NULL;  in usb_gadget_remove_driver()
1305 	udc->gadget->dev.driver = NULL;  in usb_gadget_remove_driver()
1317 	struct usb_udc *udc = gadget->udc;  in usb_del_gadget_udc()  local
1319 	if (!udc)  in usb_del_gadget_udc()
1325 	list_del(&udc->list);  in usb_del_gadget_udc()
1327 	if (udc->driver) {  in usb_del_gadget_udc()
1328 		struct usb_gadget_driver *driver = udc->driver;  in usb_del_gadget_udc()
1330 		usb_gadget_remove_driver(udc);  in usb_del_gadget_udc()
1335 	kobject_uevent(&udc->dev.kobj, KOBJ_REMOVE);  in usb_del_gadget_udc()
1337 	device_unregister(&udc->dev);  in usb_del_gadget_udc()
1345 static int udc_bind_to_driver(struct usb_udc *udc, struct usb_gadget_driver *driver)  in udc_bind_to_driver()  argument
1349 	dev_dbg(&udc->dev, "registering UDC driver [%s]\n",  in udc_bind_to_driver()
1352 	udc->driver = driver;  in udc_bind_to_driver()
1353 	udc->dev.driver = &driver->driver;  in udc_bind_to_driver()
1354 	udc->gadget->dev.driver = &driver->driver;  in udc_bind_to_driver()
1356 	usb_gadget_udc_set_speed(udc, driver->max_speed);  in udc_bind_to_driver()
1358 	ret = driver->bind(udc->gadget, driver);  in udc_bind_to_driver()
1361 	ret = usb_gadget_udc_start(udc);  in udc_bind_to_driver()
1363 		driver->unbind(udc->gadget);  in udc_bind_to_driver()
1366 	usb_udc_connect_control(udc);  in udc_bind_to_driver()
1368 	kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);  in udc_bind_to_driver()
1372 		dev_err(&udc->dev, "failed to start %s: %d\n",  in udc_bind_to_driver()
1373 			udc->driver->function, ret);  in udc_bind_to_driver()
1374 	udc->driver = NULL;  in udc_bind_to_driver()
1375 	udc->dev.driver = NULL;  in udc_bind_to_driver()
1376 	udc->gadget->dev.driver = NULL;  in udc_bind_to_driver()
1382 	struct usb_udc		*udc = NULL;  in usb_gadget_probe_driver()  local
1390 		list_for_each_entry(udc, &udc_list, list) {  in usb_gadget_probe_driver()
1391 			ret = strcmp(driver->udc_name, dev_name(&udc->dev));  in usb_gadget_probe_driver()
1397 		else if (udc->driver)  in usb_gadget_probe_driver()
1402 		list_for_each_entry(udc, &udc_list, list) {  in usb_gadget_probe_driver()
1404 			if (!udc->driver)  in usb_gadget_probe_driver()
1419 	ret = udc_bind_to_driver(udc, driver);  in usb_gadget_probe_driver()
1427 	struct usb_udc		*udc = NULL;  in usb_gadget_unregister_driver()  local
1434 	list_for_each_entry(udc, &udc_list, list) {  in usb_gadget_unregister_driver()
1435 		if (udc->driver == driver) {  in usb_gadget_unregister_driver()
1436 			usb_gadget_remove_driver(udc);  in usb_gadget_unregister_driver()
1437 			usb_gadget_set_state(udc->gadget,  in usb_gadget_unregister_driver()
1441 			check_pending_gadget_drivers(udc);  in usb_gadget_unregister_driver()
1465 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in srp_store()  local
1468 		usb_gadget_wakeup(udc->gadget);  in srp_store()
1477 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in soft_connect_store()  local
1479 	if (!udc->driver) {  in soft_connect_store()
1485 		usb_gadget_udc_start(udc);  in soft_connect_store()
1486 		usb_gadget_connect(udc->gadget);  in soft_connect_store()
1488 		usb_gadget_disconnect(udc->gadget);  in soft_connect_store()
1489 		usb_gadget_udc_stop(udc);  in soft_connect_store()
1502 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in state_show()  local
1503 	struct usb_gadget	*gadget = udc->gadget;  in state_show()
1512 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in function_show()  local
1513 	struct usb_gadget_driver *drv = udc->driver;  in function_show()
1525 	struct usb_udc *udc = container_of(dev, struct usb_udc, dev);	\
1527 			usb_speed_string(udc->gadget->param));		\
1538 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev); \
1539 	struct usb_gadget	*gadget = udc->gadget;		\
1580 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in usb_udc_uevent()  local
1583 	ret = add_uevent_var(env, "USB_UDC_NAME=%s", udc->gadget->name);  in usb_udc_uevent()
1589 	if (udc->driver) {  in usb_udc_uevent()
1591 				udc->driver->function);  in usb_udc_uevent()