171 	int err = 0, ret;  in usb_stop()  local
174 	ret = uclass_get(UCLASS_USB, &uc);  in usb_stop()
175 	if (ret)  in usb_stop()
176 		return ret;  in usb_stop()
181 		ret = device_remove(bus, DM_REMOVE_NORMAL);  in usb_stop()
182 		if (ret && !err)  in usb_stop()
183 			err = ret;  in usb_stop()
192 			ret = device_unbind(rh);  in usb_stop()
193 			if (ret && !err)  in usb_stop()
194 				err = ret;  in usb_stop()
211 	int ret;  in usb_scan_bus()  local
219 	ret = usb_scan_device(bus, 0, USB_SPEED_FULL, &dev);  in usb_scan_bus()
220 	if (ret)  in usb_scan_bus()
221 		printf("failed, error %d\n", ret);  in usb_scan_bus()
249 	int ret;  in usb_init()  local
253 	ret = uclass_get(UCLASS_USB, &uc);  in usb_init()
254 	if (ret)  in usb_init()
255 		return ret;  in usb_init()
270 		ret = dm_scan_fdt_dev(bus);  in usb_init()
271 		if (ret) {  in usb_init()
272 			printf("Sandbox USB device scan failed (%d)\n", ret);  in usb_init()
277 		ret = device_probe(bus);  in usb_init()
278 		if (ret == -ENODEV) {	/* No such device. */  in usb_init()
284 		if (ret) {		/* Other error. */  in usb_init()
285 			printf("probe failed, error %d\n", ret);  in usb_init()
326 	ret = uclass_get(UCLASS_USB_HUB, &uc);  in usb_init()
327 	if (ret)  in usb_init()
328 		return ret;  in usb_init()
385 	int ret;  in usb_setup_ehci_gadget()  local
388 	ret = uclass_find_device_by_seq(UCLASS_USB, 0, true, &dev);  in usb_setup_ehci_gadget()
389 	if (ret)  in usb_setup_ehci_gadget()
390 		return ret;  in usb_setup_ehci_gadget()
391 	ret = device_remove(dev, DM_REMOVE_NORMAL);  in usb_setup_ehci_gadget()
392 	if (ret)  in usb_setup_ehci_gadget()
393 		return ret;  in usb_setup_ehci_gadget()
397 	ret = device_probe(dev);  in usb_setup_ehci_gadget()
398 	if (ret)  in usb_setup_ehci_gadget()
399 		return ret;  in usb_setup_ehci_gadget()
501 	int ret;  in usb_find_and_bind_driver()  local
527 			ret = device_bind(parent, drv, drv->name, NULL, -1,  in usb_find_and_bind_driver()
529 			if (ret)  in usb_find_and_bind_driver()
545 	ret = device_bind_driver(parent, "usb_dev_generic_drv", str, devp);  in usb_find_and_bind_driver()
548 	debug("%s: No match found: %d\n", __func__, ret);  in usb_find_and_bind_driver()
549 	return ret;  in usb_find_and_bind_driver()
592 	int ret;  in usb_scan_device()  local
636 	ret = usb_setup_device(udev, priv->desc_before_addr, parent_udev);  in usb_scan_device()
637 	debug("read_descriptor for '%s': ret=%d\n", parent->name, ret);  in usb_scan_device()
638 	if (ret)  in usb_scan_device()
639 		return ret;  in usb_scan_device()
640 	ret = usb_find_child(parent, &udev->descriptor, iface, &dev);  in usb_scan_device()
641 	debug("** usb_find_child returns %d\n", ret);  in usb_scan_device()
642 	if (ret) {  in usb_scan_device()
643 		if (ret != -ENOENT)  in usb_scan_device()
644 			return ret;  in usb_scan_device()
645 		ret = usb_find_and_bind_driver(parent, &udev->descriptor, iface,  in usb_scan_device()
648 		if (ret)  in usb_scan_device()
649 			return ret;  in usb_scan_device()
657 	ret = device_probe(dev);  in usb_scan_device()
658 	if (ret) {  in usb_scan_device()
663 		return ret;  in usb_scan_device()
678 	int ret;  in usb_detect_change()  local
680 	ret = uclass_get(UCLASS_USB_HUB, &uc);  in usb_detect_change()
681 	if (ret)  in usb_detect_change()
682 		return ret;  in usb_detect_change()
755 	int ret;  in usb_child_pre_probe()  local
781 		ret = usb_select_config(udev);  in usb_child_pre_probe()
782 		if (ret)  in usb_child_pre_probe()
783 			return ret;  in usb_child_pre_probe()