WDS_IRQSTAT
c = bus_space_read_1(iot, ioh, WDS_IRQSTAT) & WDSI_MASK;
if (bus_space_read_1(iot, ioh, WDS_IRQSTAT) != 1)
if (bus_space_read_1(iot, ioh, WDS_IRQSTAT) != 7)
bus_space_read_1(iot, ioh, WDS_IRQSTAT));