AHD_DEV_PERIODIC_OTAG
dev->flags &= ~(AHD_DEV_Q_BASIC|AHD_DEV_Q_TAGGED|AHD_DEV_PERIODIC_OTAG);
dev->flags |= AHD_DEV_PERIODIC_OTAG;
if ((dev->flags & AHD_DEV_PERIODIC_OTAG) != 0)