FWEDEBUG
FWEDEBUG(ifp, "interface created\n");
FWEDEBUG(ifp, "initializing\n");
FWEDEBUG(ifp, "resp = %d\n", xfer->resp);
FWEDEBUG(ifp, "starting\n");
FWEDEBUG(ifp, "not ready\n");
FWEDEBUG(ifp, "%02x %02x %02x %02x %02x %02x\n"