DPC_LINK_CHANGED
set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);
set_bit(DPC_LINK_CHANGED, &ha->dpc_flags);
test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {