318 	int rv = 0;  in vcc_ldc_read()  local
322 		rv = ldc_rx_reset(vio->lp);  in vcc_ldc_read()
323 		vccdbg("VCC: reset rx q: rv=%d\n", rv);  in vcc_ldc_read()
336 		rv = ldc_read(vio->lp, &pkt, sizeof(pkt));  in vcc_ldc_read()
337 		if (rv <= 0)  in vcc_ldc_read()
340 		vccdbg("VCC: ldc_read()=%d\n", rv);  in vcc_ldc_read()
353 			rv = -ECONNRESET;  in vcc_ldc_read()
357 		WARN_ON(rv != LDC_PACKET_SIZE);  in vcc_ldc_read()
361 	return rv;  in vcc_ldc_read()
369 	int rv;  in vcc_rx_timer()  local
381 	rv = vcc_ldc_read(port);  in vcc_rx_timer()
382 	if (rv == -ECONNRESET)  in vcc_rx_timer()
396 	int rv;  in vcc_tx_timer()  local
413 	rv = ldc_write(port->vio.lp, pkt, (VIO_TAG_SIZE + tosend));  in vcc_tx_timer()
414 	WARN_ON(!rv);  in vcc_tx_timer()
416 	if (rv < 0) {  in vcc_tx_timer()
417 		vccdbg("VCC: ldc_write()=%d\n", rv);  in vcc_tx_timer()
444 	int rv;  in vcc_event()  local
458 		rv = vcc_ldc_read(port);  in vcc_event()
459 		if (rv == -ECONNRESET)  in vcc_event()
489 	int rv;  in vcc_sysfs_domain_show()  local
495 	rv = scnprintf(buf, PAGE_SIZE, "%s\n", port->domain);  in vcc_sysfs_domain_show()
497 	return rv;  in vcc_sysfs_domain_show()
503 	int rv;  in vcc_send_ctl()  local
509 	rv = ldc_write(port->vio.lp, &pkt, sizeof(pkt.tag));  in vcc_send_ctl()
510 	WARN_ON(!rv);  in vcc_send_ctl()
511 	vccdbg("VCC: ldc_write(%ld)=%d\n", sizeof(pkt.tag), rv);  in vcc_send_ctl()
513 	return rv;  in vcc_send_ctl()
522 	int rv = count;  in vcc_sysfs_break_store()  local
532 		rv = -EINVAL;  in vcc_sysfs_break_store()
538 	return rv;  in vcc_sysfs_break_store()
575 	int rv;  in vcc_probe()  local
590 	rv = vio_driver_init(&port->vio, vdev, VDEV_CONSOLE_CON, vcc_versions,  in vcc_probe()
592 	if (rv)  in vcc_probe()
598 	rv = vio_ldc_alloc(&port->vio, &vcc_ldc_cfg, port);  in vcc_probe()
599 	if (rv)  in vcc_probe()
613 		rv = PTR_ERR(dev);  in vcc_probe()
621 		rv = -ENXIO;  in vcc_probe()
628 		rv = -ENXIO;  in vcc_probe()
636 	rv = sysfs_create_group(&vdev->dev.kobj, &vcc_attribute_group);  in vcc_probe()
637 	if (rv)  in vcc_probe()
666 	return rv;  in vcc_probe()
844 	int rv = -EINVAL;  in vcc_write()  local
883 		rv = ldc_write(port->vio.lp, pkt, (VIO_TAG_SIZE + tosend));  in vcc_write()
885 		       (VIO_TAG_SIZE + tosend), rv);  in vcc_write()
889 		if (rv < 0) {  in vcc_write()
901 	vccdbg("VCC: write: total=%d rv=%d", total_sent, rv);  in vcc_write()
903 	return total_sent ? total_sent : rv;  in vcc_write()
1071 	int rv;  in vcc_tty_init()  local
1090 	rv = tty_register_driver(vcc_tty_driver);  in vcc_tty_init()
1091 	if (rv) {  in vcc_tty_init()
1095 		return rv;  in vcc_tty_init()
1114 	int rv;  in vcc_init()  local
1116 	rv = vcc_tty_init();  in vcc_init()
1117 	if (rv) {  in vcc_init()
1119 		return rv;  in vcc_init()
1122 	rv = vio_register_driver(&vcc_driver);  in vcc_init()
1123 	if (rv) {  in vcc_init()
1130 	return rv;  in vcc_init()