319 	int rv = 0;  in vcc_ldc_read()  local
323 		rv = ldc_rx_reset(vio->lp);  in vcc_ldc_read()
324 		vccdbg("VCC: reset rx q: rv=%d\n", rv);  in vcc_ldc_read()
337 		rv = ldc_read(vio->lp, &pkt, sizeof(pkt));  in vcc_ldc_read()
338 		if (rv <= 0)  in vcc_ldc_read()
341 		vccdbg("VCC: ldc_read()=%d\n", rv);  in vcc_ldc_read()
354 			rv = -ECONNRESET;  in vcc_ldc_read()
358 		WARN_ON(rv != LDC_PACKET_SIZE);  in vcc_ldc_read()
362 	return rv;  in vcc_ldc_read()
370 	int rv;  in vcc_rx_timer()  local
382 	rv = vcc_ldc_read(port);  in vcc_rx_timer()
383 	if (rv == -ECONNRESET)  in vcc_rx_timer()
397 	int rv;  in vcc_tx_timer()  local
414 	rv = ldc_write(port->vio.lp, pkt, (VIO_TAG_SIZE + tosend));  in vcc_tx_timer()
415 	WARN_ON(!rv);  in vcc_tx_timer()
417 	if (rv < 0) {  in vcc_tx_timer()
418 		vccdbg("VCC: ldc_write()=%d\n", rv);  in vcc_tx_timer()
445 	int rv;  in vcc_event()  local
459 		rv = vcc_ldc_read(port);  in vcc_event()
460 		if (rv == -ECONNRESET)  in vcc_event()
490 	int rv;  in vcc_sysfs_domain_show()  local
496 	rv = scnprintf(buf, PAGE_SIZE, "%s\n", port->domain);  in vcc_sysfs_domain_show()
498 	return rv;  in vcc_sysfs_domain_show()
504 	int rv;  in vcc_send_ctl()  local
510 	rv = ldc_write(port->vio.lp, &pkt, sizeof(pkt.tag));  in vcc_send_ctl()
511 	WARN_ON(!rv);  in vcc_send_ctl()
512 	vccdbg("VCC: ldc_write(%ld)=%d\n", sizeof(pkt.tag), rv);  in vcc_send_ctl()
514 	return rv;  in vcc_send_ctl()
523 	int rv = count;  in vcc_sysfs_break_store()  local
533 		rv = -EINVAL;  in vcc_sysfs_break_store()
539 	return rv;  in vcc_sysfs_break_store()
576 	int rv;  in vcc_probe()  local
591 	rv = vio_driver_init(&port->vio, vdev, VDEV_CONSOLE_CON, vcc_versions,  in vcc_probe()
593 	if (rv)  in vcc_probe()
599 	rv = vio_ldc_alloc(&port->vio, &vcc_ldc_cfg, port);  in vcc_probe()
600 	if (rv)  in vcc_probe()
608 		rv = -ENOMEM;  in vcc_probe()
615 		rv = PTR_ERR(dev);  in vcc_probe()
623 		rv = -ENXIO;  in vcc_probe()
630 		rv = -ENXIO;  in vcc_probe()
638 	rv = sysfs_create_group(&vdev->dev.kobj, &vcc_attribute_group);  in vcc_probe()
639 	if (rv)  in vcc_probe()
668 	return rv;  in vcc_probe()
846 	int rv = -EINVAL;  in vcc_write()  local
885 		rv = ldc_write(port->vio.lp, pkt, (VIO_TAG_SIZE + tosend));  in vcc_write()
887 		       (VIO_TAG_SIZE + tosend), rv);  in vcc_write()
891 		if (rv < 0) {  in vcc_write()
903 	vccdbg("VCC: write: total=%d rv=%d", total_sent, rv);  in vcc_write()
905 	return total_sent ? total_sent : rv;  in vcc_write()
1073 	int rv;  in vcc_tty_init()  local
1092 	rv = tty_register_driver(vcc_tty_driver);  in vcc_tty_init()
1093 	if (rv) {  in vcc_tty_init()
1097 		return rv;  in vcc_tty_init()
1116 	int rv;  in vcc_init()  local
1118 	rv = vcc_tty_init();  in vcc_init()
1119 	if (rv) {  in vcc_init()
1121 		return rv;  in vcc_init()
1124 	rv = vio_register_driver(&vcc_driver);  in vcc_init()
1125 	if (rv) {  in vcc_init()
1132 	return rv;  in vcc_init()