MTIP_PF_ISSUE_CMDS_BIT
set_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags);
set_bit(MTIP_PF_ISSUE_CMDS_BIT, &dd->port->flags);
if (test_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags)) {
clear_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags);
test_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags)) {
(1 << MTIP_PF_ISSUE_CMDS_BIT) |