227 	struct usb_udc *udc = gadget->udc;  in usb_gadget_state_work()  local
229 	if (udc)  in usb_gadget_state_work()
230 		sysfs_notify(&udc->dev.kobj, NULL, "state");  in usb_gadget_state_work()
243 static void usb_udc_connect_control(struct usb_udc *udc)  in usb_udc_connect_control()  argument
245 	if (udc->vbus)  in usb_udc_connect_control()
246 		usb_gadget_connect(udc->gadget);  in usb_udc_connect_control()
248 		usb_gadget_disconnect(udc->gadget);  in usb_udc_connect_control()
262 	struct usb_udc *udc = gadget->udc;  in usb_udc_vbus_handler()  local
264 	if (udc) {  in usb_udc_vbus_handler()
265 		udc->vbus = status;  in usb_udc_vbus_handler()
266 		usb_udc_connect_control(udc);  in usb_udc_vbus_handler()
301 static inline int usb_gadget_udc_start(struct usb_udc *udc)  in usb_gadget_udc_start()  argument
303 	return udc->gadget->ops->udc_start(udc->gadget, udc->driver);  in usb_gadget_udc_start()
318 static inline void usb_gadget_udc_stop(struct usb_udc *udc)  in usb_gadget_udc_stop()  argument
320 	udc->gadget->ops->udc_stop(udc->gadget);  in usb_gadget_udc_stop()
332 	struct usb_udc *udc;  in usb_udc_release()  local
334 	udc = container_of(dev, struct usb_udc, dev);  in usb_udc_release()
336 	kfree(udc);  in usb_udc_release()
358 	struct usb_udc		*udc;  in usb_add_gadget_udc_release()  local
361 	udc = kzalloc(sizeof(*udc), GFP_KERNEL);  in usb_add_gadget_udc_release()
362 	if (!udc)  in usb_add_gadget_udc_release()
384 	device_initialize(&udc->dev);  in usb_add_gadget_udc_release()
385 	udc->dev.release = usb_udc_release;  in usb_add_gadget_udc_release()
386 	udc->dev.class = udc_class;  in usb_add_gadget_udc_release()
387 	udc->dev.groups = usb_udc_attr_groups;  in usb_add_gadget_udc_release()
388 	udc->dev.parent = parent;  in usb_add_gadget_udc_release()
389 	ret = dev_set_name(&udc->dev, "%s", kobject_name(&parent->kobj));  in usb_add_gadget_udc_release()
393 	udc->gadget = gadget;  in usb_add_gadget_udc_release()
394 	gadget->udc = udc;  in usb_add_gadget_udc_release()
397 	list_add_tail(&udc->list, &udc_list);  in usb_add_gadget_udc_release()
399 	ret = device_add(&udc->dev);  in usb_add_gadget_udc_release()
404 	udc->vbus = true;  in usb_add_gadget_udc_release()
411 	list_del(&udc->list);  in usb_add_gadget_udc_release()
415 	put_device(&udc->dev);  in usb_add_gadget_udc_release()
420 	kfree(udc);  in usb_add_gadget_udc_release()
441 static void usb_gadget_remove_driver(struct usb_udc *udc)  in usb_gadget_remove_driver()  argument
443 	dev_dbg(&udc->dev, "unregistering UDC driver [%s]\n",  in usb_gadget_remove_driver()
444 			udc->driver->function);  in usb_gadget_remove_driver()
446 	kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);  in usb_gadget_remove_driver()
448 	usb_gadget_disconnect(udc->gadget);  in usb_gadget_remove_driver()
449 	udc->driver->disconnect(udc->gadget);  in usb_gadget_remove_driver()
450 	udc->driver->unbind(udc->gadget);  in usb_gadget_remove_driver()
451 	usb_gadget_udc_stop(udc);  in usb_gadget_remove_driver()
453 	udc->driver = NULL;  in usb_gadget_remove_driver()
454 	udc->dev.driver = NULL;  in usb_gadget_remove_driver()
455 	udc->gadget->dev.driver = NULL;  in usb_gadget_remove_driver()
467 	struct usb_udc *udc = gadget->udc;  in usb_del_gadget_udc()  local
469 	if (!udc)  in usb_del_gadget_udc()
475 	list_del(&udc->list);  in usb_del_gadget_udc()
478 	if (udc->driver)  in usb_del_gadget_udc()
479 		usb_gadget_remove_driver(udc);  in usb_del_gadget_udc()
481 	kobject_uevent(&udc->dev.kobj, KOBJ_REMOVE);  in usb_del_gadget_udc()
483 	device_unregister(&udc->dev);  in usb_del_gadget_udc()
490 static int udc_bind_to_driver(struct usb_udc *udc, struct usb_gadget_driver *driver)  in udc_bind_to_driver()  argument
494 	dev_dbg(&udc->dev, "registering UDC driver [%s]\n",  in udc_bind_to_driver()
497 	udc->driver = driver;  in udc_bind_to_driver()
498 	udc->dev.driver = &driver->driver;  in udc_bind_to_driver()
499 	udc->gadget->dev.driver = &driver->driver;  in udc_bind_to_driver()
501 	ret = driver->bind(udc->gadget, driver);  in udc_bind_to_driver()
504 	ret = usb_gadget_udc_start(udc);  in udc_bind_to_driver()
506 		driver->unbind(udc->gadget);  in udc_bind_to_driver()
509 	usb_udc_connect_control(udc);  in udc_bind_to_driver()
511 	kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);  in udc_bind_to_driver()
515 		dev_err(&udc->dev, "failed to start %s: %d\n",  in udc_bind_to_driver()
516 			udc->driver->function, ret);  in udc_bind_to_driver()
517 	udc->driver = NULL;  in udc_bind_to_driver()
518 	udc->dev.driver = NULL;  in udc_bind_to_driver()
519 	udc->gadget->dev.driver = NULL;  in udc_bind_to_driver()
525 	struct usb_udc *udc = NULL;  in usb_udc_attach_driver()  local
529 	list_for_each_entry(udc, &udc_list, list) {  in usb_udc_attach_driver()
530 		ret = strcmp(name, dev_name(&udc->dev));  in usb_udc_attach_driver()
538 	if (udc->driver) {  in usb_udc_attach_driver()
542 	ret = udc_bind_to_driver(udc, driver);  in usb_udc_attach_driver()
551 	struct usb_udc		*udc = NULL;  in usb_gadget_probe_driver()  local
558 	list_for_each_entry(udc, &udc_list, list) {  in usb_gadget_probe_driver()
560 		if (!udc->driver)  in usb_gadget_probe_driver()
568 	ret = udc_bind_to_driver(udc, driver);  in usb_gadget_probe_driver()
576 	struct usb_udc		*udc = NULL;  in usb_gadget_unregister_driver()  local
583 	list_for_each_entry(udc, &udc_list, list)  in usb_gadget_unregister_driver()
584 		if (udc->driver == driver) {  in usb_gadget_unregister_driver()
585 			usb_gadget_remove_driver(udc);  in usb_gadget_unregister_driver()
586 			usb_gadget_set_state(udc->gadget,  in usb_gadget_unregister_driver()
602 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in usb_udc_srp_store()  local
605 		usb_gadget_wakeup(udc->gadget);  in usb_udc_srp_store()
614 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in usb_udc_softconn_store()  local
616 	if (!udc->driver) {  in usb_udc_softconn_store()
622 		usb_gadget_udc_start(udc);  in usb_udc_softconn_store()
623 		usb_gadget_connect(udc->gadget);  in usb_udc_softconn_store()
625 		usb_gadget_disconnect(udc->gadget);  in usb_udc_softconn_store()
626 		udc->driver->disconnect(udc->gadget);  in usb_udc_softconn_store()
627 		usb_gadget_udc_stop(udc);  in usb_udc_softconn_store()
640 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in state_show()  local
641 	struct usb_gadget	*gadget = udc->gadget;  in state_show()
651 	struct usb_udc *udc = container_of(dev, struct usb_udc, dev);	\
653 			usb_speed_string(udc->gadget->param));		\
664 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev); \
665 	struct usb_gadget	*gadget = udc->gadget;		\
705 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);  in usb_udc_uevent()  local
708 	ret = add_uevent_var(env, "USB_UDC_NAME=%s", udc->gadget->name);  in usb_udc_uevent()
714 	if (udc->driver) {  in usb_udc_uevent()
716 				udc->driver->function);  in usb_udc_uevent()