int hdlc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
/* Must be used by hardware driver on module startup/exit */
-int register_hdlc_device(struct net_device *dev);
+#define register_hdlc_device(dev) register_netdev(dev)
void unregister_hdlc_device(struct net_device *dev);
struct net_device *alloc_hdlcdev(void *priv);