70 	int res, retry;  in smp_execute_task()  local
78 			res = -ECOMM;  in smp_execute_task()
84 			res = -ENOMEM;  in smp_execute_task()
99 		res = i->dft->lldd_execute_task(task, GFP_KERNEL);  in smp_execute_task()
101 		if (res) {  in smp_execute_task()
103 			SAS_DPRINTK("executing SMP task failed:%d\n", res);  in smp_execute_task()
108 		res = -ECOMM;  in smp_execute_task()
119 			res = 0;  in smp_execute_task()
126 			res = task->task_status.residual;  in smp_execute_task()
131 			res = -EMSGSIZE;  in smp_execute_task()
151 	return res;  in smp_execute_task()
375 	int res;  in sas_ex_phy_discover_helper()  local
379 	res = smp_execute_task(dev, disc_req, DISCOVER_REQ_SIZE,  in sas_ex_phy_discover_helper()
381 	if (res)  in sas_ex_phy_discover_helper()
382 		return res;  in sas_ex_phy_discover_helper()
395 	int  res = 0;  in sas_ex_phy_discover()  local
412 		res = sas_ex_phy_discover_helper(dev, disc_req, disc_resp, single);  in sas_ex_phy_discover()
417 			res = sas_ex_phy_discover_helper(dev, disc_req,  in sas_ex_phy_discover()
419 			if (res)  in sas_ex_phy_discover()
426 	return res;  in sas_ex_phy_discover()
432 	int res = -ENOMEM;  in sas_expander_discover()  local
438 	res = sas_ex_phy_discover(dev, -1);  in sas_expander_discover()
439 	if (res)  in sas_expander_discover()
446 	return res;  in sas_expander_discover()
472 	int res;  in sas_ex_general()  local
488 		res = smp_execute_task(dev, rg_req, RG_REQ_SIZE, rg_resp,  in sas_ex_general()
491 		if (res) {  in sas_ex_general()
493 				    SAS_ADDR(dev->sas_addr), res);  in sas_ex_general()
498 			res = rg_resp->result;  in sas_ex_general()
514 	return res;  in sas_ex_general()
544 	int res;  in sas_ex_manuf_info()  local
558 	res = smp_execute_task(dev, mi_req, MI_REQ_SIZE, mi_resp,MI_RESP_SIZE);  in sas_ex_manuf_info()
559 	if (res) {  in sas_ex_manuf_info()
561 			    SAS_ADDR(dev->sas_addr), res);  in sas_ex_manuf_info()
573 	return res;  in sas_ex_manuf_info()
585 	int res;  in sas_smp_phy_control()  local
605 	res = smp_execute_task(dev, pc_req, PC_REQ_SIZE, pc_resp,PC_RESP_SIZE);  in sas_smp_phy_control()
609 	return res;  in sas_smp_phy_control()
656 	int res;  in sas_smp_get_phy_events()  local
675 	res = smp_execute_task(dev, req, RPEL_REQ_SIZE,  in sas_smp_get_phy_events()
678 	if (!res)  in sas_smp_get_phy_events()
688 	return res;  in sas_smp_get_phy_events()
700 	int res;  in sas_get_report_phy_sata()  local
710 	res = smp_execute_task(dev, rps_req, RPS_REQ_SIZE,  in sas_get_report_phy_sata()
718 	if (!res && resp[27] == 0x34 && resp[24] != 0x34) {  in sas_get_report_phy_sata()
734 	return res;  in sas_get_report_phy_sata()
779 	int res;  in sas_ex_discover_end_dev()  local
808 		res = sas_get_ata_info(child, phy);  in sas_ex_discover_end_dev()
809 		if (res)  in sas_ex_discover_end_dev()
813 		res = sas_ata_init(child);  in sas_ex_discover_end_dev()
814 		if (res)  in sas_ex_discover_end_dev()
825 		res = sas_discover_sata(child);  in sas_ex_discover_end_dev()
826 		if (res) {  in sas_ex_discover_end_dev()
830 				    SAS_ADDR(parent->sas_addr), phy_id, res);  in sas_ex_discover_end_dev()
850 		res = sas_discover_end_dev(child);  in sas_ex_discover_end_dev()
851 		if (res) {  in sas_ex_discover_end_dev()
855 				    SAS_ADDR(parent->sas_addr), phy_id, res);  in sas_ex_discover_end_dev()
915 	int res;  in sas_ex_discover_expander()  local
971 	res = sas_discover_expander(child);  in sas_ex_discover_expander()
972 	if (res) {  in sas_ex_discover_expander()
989 	int res = 0;  in sas_ex_discover_dev()  local
994 			res = sas_ex_phy_discover(dev, phy_id);  in sas_ex_discover_dev()
995 		if (res)  in sas_ex_discover_dev()
996 			return res;  in sas_ex_discover_dev()
1036 	res = sas_configure_routing(dev, ex_phy->attached_sas_addr);  in sas_ex_discover_dev()
1037 	if (res) {  in sas_ex_discover_dev()
1040 			    SAS_ADDR(ex_phy->attached_sas_addr), res);  in sas_ex_discover_dev()
1042 		return res;  in sas_ex_discover_dev()
1048 		return res;  in sas_ex_discover_dev()
1099 	return res;  in sas_ex_discover_dev()
1171 	int res = 0;  in sas_ex_discover_devices()  local
1192 			res = sas_ex_discover_dev(dev, i);  in sas_ex_discover_devices()
1193 			if (res)  in sas_ex_discover_devices()
1199 	if (!res)  in sas_ex_discover_devices()
1202 	return res;  in sas_ex_discover_devices()
1272 	int res = 0;  in sas_check_eeds()  local
1276 		res = -ENODEV;  in sas_check_eeds()
1300 		res = -ENODEV;  in sas_check_eeds()
1309 	return res;  in sas_check_eeds()
1319 	int res = 0;  in sas_check_parent_topology()  local
1349 					res = -ENODEV;  in sas_check_parent_topology()
1353 					res = sas_check_eeds(child, parent_phy, child_phy);  in sas_check_parent_topology()
1356 					res = -ENODEV;  in sas_check_parent_topology()
1365 					res = -ENODEV;  in sas_check_parent_topology()
1373 				res = -ENODEV;  in sas_check_parent_topology()
1381 	return res;  in sas_check_parent_topology()
1390 	int i, res = 0;  in sas_configure_present()  local
1414 		res = smp_execute_task(dev, rri_req, RRI_REQ_SIZE, rri_resp,  in sas_configure_present()
1416 		if (res)  in sas_configure_present()
1418 		res = rri_resp[2];  in sas_configure_present()
1419 		if (res == SMP_RESP_NO_INDEX) {  in sas_configure_present()
1424 		} else if (res != SMP_RESP_FUNC_ACC) {  in sas_configure_present()
1427 				    SAS_ADDR(dev->sas_addr), phy_id, i, res);  in sas_configure_present()
1451 	res = -1;  in sas_configure_present()
1455 	return res;  in sas_configure_present()
1464 	int res;  in sas_configure_set()  local
1485 	res = smp_execute_task(dev, cri_req, CRI_REQ_SIZE, cri_resp,  in sas_configure_set()
1487 	if (res)  in sas_configure_set()
1489 	res = cri_resp[2];  in sas_configure_set()
1490 	if (res == SMP_RESP_NO_INDEX) {  in sas_configure_set()
1498 	return res;  in sas_configure_set()
1506 	int res;  in sas_configure_phy()  local
1508 	res = sas_configure_present(dev, phy_id, sas_addr, &index, &present);  in sas_configure_phy()
1509 	if (res)  in sas_configure_phy()
1510 		return res;  in sas_configure_phy()
1514 	return res;  in sas_configure_phy()
1528 	int res = 0;  in sas_configure_parent()  local
1532 		res = sas_configure_parent(parent->parent, parent, sas_addr,  in sas_configure_parent()
1534 		if (res)  in sas_configure_parent()
1535 			return res;  in sas_configure_parent()
1550 			res = sas_configure_phy(parent, i, sas_addr, include);  in sas_configure_parent()
1551 			if (res)  in sas_configure_parent()
1552 				return res;  in sas_configure_parent()
1556 	return res;  in sas_configure_parent()
1586 	int res;  in sas_discover_expander()  local
1588 	res = sas_notify_lldd_dev_found(dev);  in sas_discover_expander()
1589 	if (res)  in sas_discover_expander()
1590 		return res;  in sas_discover_expander()
1592 	res = sas_ex_general(dev);  in sas_discover_expander()
1593 	if (res)  in sas_discover_expander()
1595 	res = sas_ex_manuf_info(dev);  in sas_discover_expander()
1596 	if (res)  in sas_discover_expander()
1599 	res = sas_expander_discover(dev);  in sas_discover_expander()
1600 	if (res) {  in sas_discover_expander()
1602 			    SAS_ADDR(dev->sas_addr), res);  in sas_discover_expander()
1607 	res = sas_check_parent_topology(dev);  in sas_discover_expander()
1608 	if (res)  in sas_discover_expander()
1613 	return res;  in sas_discover_expander()
1618 	int res = 0;  in sas_ex_level_discovery()  local
1628 				res = sas_ex_discover_devices(dev, -1);  in sas_ex_level_discovery()
1630 				res = sas_ex_discover_devices(port->port_dev, -1);  in sas_ex_level_discovery()
1635 	return res;  in sas_ex_level_discovery()
1640 	int res;  in sas_ex_bfs_disc()  local
1645 		res = sas_ex_level_discovery(port, level);  in sas_ex_bfs_disc()
1649 	return res;  in sas_ex_bfs_disc()
1654 	int res;  in sas_discover_root_expander()  local
1657 	res = sas_rphy_add(dev->rphy);  in sas_discover_root_expander()
1658 	if (res)  in sas_discover_root_expander()
1662 	res = sas_discover_expander(dev);  in sas_discover_root_expander()
1663 	if (res)  in sas_discover_root_expander()
1668 	return res;  in sas_discover_root_expander()
1673 	return res;  in sas_discover_root_expander()
1681 	int res;  in sas_get_phy_discover()  local
1691 	res = smp_execute_task(dev, disc_req, DISCOVER_REQ_SIZE,  in sas_get_phy_discover()
1693 	if (res)  in sas_get_phy_discover()
1696 		res = disc_resp->result;  in sas_get_phy_discover()
1701 	return res;  in sas_get_phy_discover()
1707 	int res;  in sas_get_phy_change_count()  local
1714 	res = sas_get_phy_discover(dev, phy_id, disc_resp);  in sas_get_phy_change_count()
1715 	if (!res)  in sas_get_phy_change_count()
1719 	return res;  in sas_get_phy_change_count()
1725 	int res;  in sas_get_phy_attached_dev()  local
1734 	res = sas_get_phy_discover(dev, phy_id, disc_resp);  in sas_get_phy_attached_dev()
1735 	if (res == 0) {  in sas_get_phy_attached_dev()
1742 	return res;  in sas_get_phy_attached_dev()
1749 	int res = 0;  in sas_find_bcast_phy()  local
1755 		res = sas_get_phy_change_count(dev, i, &phy_change_count);  in sas_find_bcast_phy()
1756 		switch (res) {  in sas_find_bcast_phy()
1763 			return res;  in sas_find_bcast_phy()
1779 	int res;  in sas_get_ex_change_count()  local
1795 	res = smp_execute_task(dev, rg_req, RG_REQ_SIZE, rg_resp,  in sas_get_ex_change_count()
1797 	if (res)  in sas_get_ex_change_count()
1800 		res = rg_resp->result;  in sas_get_ex_change_count()
1808 	return res;  in sas_get_ex_change_count()
1831 	int res;  in sas_find_bcast_dev()  local
1834 	res = sas_get_ex_change_count(dev, &ex_change_count);  in sas_find_bcast_dev()
1835 	if (res)  in sas_find_bcast_dev()
1842 		res = sas_find_bcast_phy(dev, &phy_id, 0, false);  in sas_find_bcast_dev()
1847 			return res;  in sas_find_bcast_dev()
1853 			res = sas_find_bcast_dev(ch, src_dev);  in sas_find_bcast_dev()
1855 				return res;  in sas_find_bcast_dev()
1859 	return res;  in sas_find_bcast_dev()
1916 	int res = 0;  in sas_discover_bfs_by_root_level()  local
1925 				res = sas_discover_bfs_by_root_level(child,  in sas_discover_bfs_by_root_level()
1928 				res = sas_ex_discover_devices(child, -1);  in sas_discover_bfs_by_root_level()
1931 	return res;  in sas_discover_bfs_by_root_level()
1936 	int res;  in sas_discover_bfs_by_root()  local
1940 	res = sas_ex_discover_devices(dev, -1);  in sas_discover_bfs_by_root()
1941 	if (res)  in sas_discover_bfs_by_root()
1944 		res = sas_discover_bfs_by_root_level(dev, level);  in sas_discover_bfs_by_root()
1949 	return res;  in sas_discover_bfs_by_root()
1956 	int res;  in sas_discover_new()  local
1960 	res = sas_ex_phy_discover(dev, phy_id);  in sas_discover_new()
1961 	if (res)  in sas_discover_new()
1962 		return res;  in sas_discover_new()
1967 	res = sas_ex_discover_devices(dev, phy_id);  in sas_discover_new()
1968 	if (res)  in sas_discover_new()
1969 		return res;  in sas_discover_new()
1975 				res = sas_discover_bfs_by_root(child);  in sas_discover_new()
1979 	return res;  in sas_discover_new()
2003 	int res;  in sas_rediscover_dev()  local
2006 	res = sas_get_phy_attached_dev(dev, phy_id, sas_addr, &type);  in sas_rediscover_dev()
2007 	switch (res) {  in sas_rediscover_dev()
2011 		return res;  in sas_rediscover_dev()
2015 		return res;  in sas_rediscover_dev()
2021 		return res;  in sas_rediscover_dev()
2024 	if ((SAS_ADDR(sas_addr) == 0) || (res == -ECOMM)) {  in sas_rediscover_dev()
2027 		return res;  in sas_rediscover_dev()
2039 		return res;  in sas_rediscover_dev()
2072 	int res = 0;  in sas_rediscover()  local
2093 		res = sas_rediscover_dev(dev, phy_id, last);  in sas_rediscover()
2095 		res = sas_discover_new(dev, phy_id);  in sas_rediscover()
2096 	return res;  in sas_rediscover()
2110 	int res;  in sas_ex_revalidate_domain()  local
2113 	res = sas_find_bcast_dev(port_dev, &dev);  in sas_ex_revalidate_domain()
2114 	while (res == 0 && dev) {  in sas_ex_revalidate_domain()
2120 			res = sas_find_bcast_phy(dev, &phy_id, i, true);  in sas_ex_revalidate_domain()
2123 			res = sas_rediscover(dev, phy_id);  in sas_ex_revalidate_domain()
2128 		res = sas_find_bcast_dev(port_dev, &dev);  in sas_ex_revalidate_domain()
2130 	return res;  in sas_ex_revalidate_domain()