QINT_RQCTL_CAUSE_ENA_M
val = QINT_RQCTL_CAUSE_ENA_M | itr_idx |
val &= ~QINT_RQCTL_CAUSE_ENA_M;
val &= ~QINT_RQCTL_CAUSE_ENA_M;
wr32(hw, QINT_RQCTL(pfq), reg | QINT_RQCTL_CAUSE_ENA_M);
reg &= ~QINT_RQCTL_CAUSE_ENA_M;