311 	int rv = 0;  in vcc_ldc_read()  local
315 		rv = ldc_rx_reset(vio->lp);  in vcc_ldc_read()
316 		vccdbg("VCC: reset rx q: rv=%d\n", rv);  in vcc_ldc_read()
329 		rv = ldc_read(vio->lp, &pkt, sizeof(pkt));  in vcc_ldc_read()
330 		if (rv <= 0)  in vcc_ldc_read()
333 		vccdbg("VCC: ldc_read()=%d\n", rv);  in vcc_ldc_read()
346 			rv = -ECONNRESET;  in vcc_ldc_read()
350 		WARN_ON(rv != LDC_PACKET_SIZE);  in vcc_ldc_read()
354 	return rv;  in vcc_ldc_read()
362 	int rv;  in vcc_rx_timer()  local
374 	rv = vcc_ldc_read(port);  in vcc_rx_timer()
375 	if (rv == -ECONNRESET)  in vcc_rx_timer()
389 	int rv;  in vcc_tx_timer()  local
406 	rv = ldc_write(port->vio.lp, pkt, (VIO_TAG_SIZE + tosend));  in vcc_tx_timer()
407 	WARN_ON(!rv);  in vcc_tx_timer()
409 	if (rv < 0) {  in vcc_tx_timer()
410 		vccdbg("VCC: ldc_write()=%d\n", rv);  in vcc_tx_timer()
437 	int rv;  in vcc_event()  local
451 		rv = vcc_ldc_read(port);  in vcc_event()
452 		if (rv == -ECONNRESET)  in vcc_event()
482 	int rv;  in domain_show()  local
488 	rv = scnprintf(buf, PAGE_SIZE, "%s\n", port->domain);  in domain_show()
490 	return rv;  in domain_show()
496 	int rv;  in vcc_send_ctl()  local
502 	rv = ldc_write(port->vio.lp, &pkt, sizeof(pkt.tag));  in vcc_send_ctl()
503 	WARN_ON(!rv);  in vcc_send_ctl()
504 	vccdbg("VCC: ldc_write(%ld)=%d\n", sizeof(pkt.tag), rv);  in vcc_send_ctl()
506 	return rv;  in vcc_send_ctl()
515 	int rv = count;  in break_store()  local
525 		rv = -EINVAL;  in break_store()
531 	return rv;  in break_store()
568 	int rv;  in vcc_probe()  local
583 		rv = -ENOMEM;  in vcc_probe()
587 	rv = vio_driver_init(&port->vio, vdev, VDEV_CONSOLE_CON, vcc_versions,  in vcc_probe()
589 	if (rv)  in vcc_probe()
595 	rv = vio_ldc_alloc(&port->vio, &vcc_ldc_cfg, port);  in vcc_probe()
596 	if (rv)  in vcc_probe()
604 		rv = -ENOMEM;  in vcc_probe()
611 		rv = PTR_ERR(dev);  in vcc_probe()
619 		rv = -ENXIO;  in vcc_probe()
626 		rv = -ENXIO;  in vcc_probe()
632 		rv = -ENOMEM;  in vcc_probe()
639 	rv = sysfs_create_group(&vdev->dev.kobj, &vcc_attribute_group);  in vcc_probe()
640 	if (rv)  in vcc_probe()
670 	return rv;  in vcc_probe()
824 	int rv = -EINVAL;  in vcc_write()  local
859 		rv = ldc_write(port->vio.lp, pkt, (VIO_TAG_SIZE + tosend));  in vcc_write()
861 		       (VIO_TAG_SIZE + tosend), rv);  in vcc_write()
865 		if (rv < 0) {  in vcc_write()
877 	vccdbg("VCC: write: total=%zu rv=%d", total_sent, rv);  in vcc_write()
879 	return total_sent ? total_sent : rv;  in vcc_write()
1022 	int rv;  in vcc_tty_init()  local
1039 	rv = tty_register_driver(vcc_tty_driver);  in vcc_tty_init()
1040 	if (rv) {  in vcc_tty_init()
1044 		return rv;  in vcc_tty_init()
1063 	int rv;  in vcc_init()  local
1065 	rv = vcc_tty_init();  in vcc_init()
1066 	if (rv) {  in vcc_init()
1068 		return rv;  in vcc_init()
1071 	rv = vio_register_driver(&vcc_driver);  in vcc_init()
1072 	if (rv) {  in vcc_init()
1079 	return rv;  in vcc_init()