PPBUS_IVAR_DMA
case PPBUS_IVAR_DMA:
case PPBUS_IVAR_DMA:
case PPBUS_IVAR_DMA:
case PPBUS_IVAR_DMA:
error = ppbus_read_ivar(device_parent(dev), PPBUS_IVAR_DMA, &val);
error = ppbus_write_ivar(device_parent(dev), PPBUS_IVAR_DMA, &val);
case PPBUS_IVAR_DMA:
case PPBUS_IVAR_DMA: