SAS_HA_REGISTERED
if (!test_bit(SAS_HA_REGISTERED, &ha->state))
if (test_bit(SAS_HA_REGISTERED, &ha->state))
set_bit(SAS_HA_REGISTERED, &sas_ha->state);
clear_bit(SAS_HA_REGISTERED, &sas_ha->state);
set_bit(SAS_HA_REGISTERED, &ha->state);