F_FL0_ENABLE
if (flags & (F_FL0_ENABLE | F_FL1_ENABLE)) {
flags &= ~(F_FL0_ENABLE | F_FL1_ENABLE);
doorbell_pio(sge->adapter, F_FL0_ENABLE | F_FL1_ENABLE);
sge->sge_control = F_CMDQ0_ENABLE | F_CMDQ1_ENABLE | F_FL0_ENABLE |
doorbell_pio(adapter, F_FL0_ENABLE | F_FL1_ENABLE);