drivers/fsi/fsi-core.c

199 	int rc, link;
205 	rc = fsi_master_read(master, link, id, FSI_SLAVE_BASE + FSI_SISC,
207 	if (rc)
208 		return rc;
210 	rc =  fsi_master_read(master, link, id, FSI_SLAVE_BASE + FSI_SSTAT,
212 	if (rc)
213 		return rc;
275 	int rc, link;
291 	rc = fsi_slave_report_and_clear_errors(slave);
292 	if (!rc)
297 		rc = master->term(master, link, id);
298 		if (!rc) {
299 			rc = fsi_master_read(master, link, id, 0,
301 			if (!rc)
302 				rc = fsi_slave_report_and_clear_errors(slave);
303 			if (!rc)
312 	rc = fsi_master_break(master, link);
313 	if (rc)
314 		return rc;
319 	rc = fsi_slave_set_smode(slave);
320 	if (rc)
321 		return rc;
335 	int rc, err_rc, i;
337 	rc = fsi_slave_calc_addr(slave, &addr, &id);
338 	if (rc)
339 		return rc;
342 		rc = fsi_master_read(slave->master, slave->link,
344 		if (!rc)
352 	return rc;
360 	int rc, err_rc, i;
362 	rc = fsi_slave_calc_addr(slave, &addr, &id);
363 	if (rc)
364 		return rc;
367 		rc = fsi_master_write(slave->master, slave->link,
369 		if (!rc)
377 	return rc;
445 	int rc, i;
461 		rc = fsi_slave_read(slave, (i + 1) * sizeof(data),
463 		if (rc) {
515 			rc = device_register(&dev->dev);
516 			if (rc) {
517 				dev_warn(&slave->dev, "add failed: %d\n", rc);
562 	int rc;
573 		rc = fsi_slave_read(slave, off, buf + total_len, read_len);
574 		if (rc)
575 			return rc;
589 	int rc;
600 		rc = fsi_slave_write(slave, off, buf + total_len, write_len);
601 		if (rc)
602 			return rc;
666 	ssize_t rc;
680 		rc = fsi_slave_read(slave, off, &data, read_len);
681 		if (rc)
683 		rc = copy_to_user(buf + total_len, &data, read_len);
684 		if (rc) {
685 			rc = -EFAULT;
690 	rc = count;
693 	return rc;
702 	ssize_t rc;
717 		rc = copy_from_user(&data, buf + total_len, write_len);
718 		if (rc) {
719 			rc = -EFAULT;
722 		rc = fsi_slave_write(slave, off, &data, write_len);
723 		if (rc)
727 	rc = count;
730 	return rc;
796 	int rc;
811 	rc = fsi_slave_set_smode(slave);
812 	if (rc < 0)
813 		return rc;
987 	int rc;
995 	rc = fsi_master_read(master, link, id, 0, &data, sizeof(data));
996 	if (rc) {
998 				link, id, rc);
1019 		rc = fsi_master_write(master, link, id,
1022 		if (rc)
1025 				link, id, rc);
1059 	rc = fsi_master_write(master, link, id, FSI_SLAVE_BASE + FSI_SLBUS,
1061 	if (rc)
1064 			 rc);
1066 	rc = fsi_slave_set_smode(slave);
1067 	if (rc) {
1070 				link, id, rc);
1075 	rc = __fsi_get_new_minor(slave, fsi_dev_cfam, &slave->dev.devt,
1077 	if (rc)
1084 	rc = cdev_device_add(&slave->cdev, &slave->dev);
1085 	if (rc) {
1086 		dev_err(&slave->dev, "Error %d creating slave device\n", rc);
1101 	rc = device_create_bin_file(&slave->dev, &fsi_slave_raw_attr);
1102 	if (rc)
1103 		dev_warn(&slave->dev, "failed to create raw attr: %d\n", rc);
1106 	rc = fsi_slave_scan(slave);
1107 	if (rc)
1109 				rc);
1118 	return rc;
1139 	int rc;
1143 	rc = fsi_check_access(addr, size);
1144 	if (!rc)
1145 		rc = master->read(master, link, slave_id, addr, val, size);
1148 			false, val, rc);
1150 	return rc;
1156 	int rc;
1160 	rc = fsi_check_access(addr, size);
1161 	if (!rc)
1162 		rc = master->write(master, link, slave_id, addr, val, size);
1165 			true, val, rc);
1167 	return rc;
1191 	int rc = 0;
1196 		rc = master->send_break(master, link);
1200 	return rc;
1205 	int link, rc;
1209 		rc = fsi_master_link_enable(master, link);
1210 		if (rc) {
1212 				"enable link %d failed: %d\n", link, rc);
1215 		rc = fsi_master_break(master, link);
1216 		if (rc) {
1219 				"break to link %d failed: %d\n", link, rc);
1223 		rc = fsi_slave_init(master, link, 0);
1224 		if (rc)
1255 	int rc;
1259 	rc = fsi_master_scan(master);
1262 	return rc;
1270 	int rc;
1272 	rc = fsi_master_rescan(master);
1273 	if (rc < 0)
1274 		return rc;
1308 	int rc;
1330 	rc = device_register(&master->dev);
1331 	if (rc) {
1342 	return rc;
1415 	int rc;
1417 	rc = alloc_chrdev_region(&fsi_base_dev, 0, FSI_CHAR_MAX_DEVICES, "fsi");
1418 	if (rc)
1419 		return rc;
1420 	rc = bus_register(&fsi_bus_type);
1421 	if (rc)
1424 	rc = class_register(&fsi_master_class);
1425 	if (rc)
1434 	return rc;