DEVI_BUS_DOWN
{ "BUS_DOWN", DEVI_BUS_DOWN, DEVI_BUS_DOWN },
if (DI_NODE(node)->state & DEVI_BUS_DOWN)
((DEVI(dip)->devi_state & DEVI_BUS_DOWN) == DEVI_BUS_DOWN)
DEVI(dip)->devi_state &= ~DEVI_BUS_DOWN; \
DEVI(dip)->devi_state |= (DEVI_BUS_DOWN | DEVI_S_REPORT); \