[IRDA]: Add alloc_irdadev() interface.

include/net/irda/irda_device.h

@@ -223,6 +223,7 @@ int  irda_device_set_raw_mode(struct net_device* self, int status);
 int  irda_device_set_dtr_rts(struct net_device *dev, int dtr, int rts);
 int  irda_device_change_speed(struct net_device *dev, __u32 speed);
 void irda_device_setup(struct net_device *dev);
+struct net_device *alloc_irdadev(int sizeof_priv);
 
 /* Dongle interface */
 void irda_device_unregister_dongle(struct dongle_reg *dongle);

net/irda/irda_device.c

@@ -387,6 +387,17 @@ void irda_device_setup(struct net_device *dev)
 	dev->flags = IFF_NOARP;
 }
 
+/*
+ * Funciton  alloc_irdadev 
+ * 	Allocates and sets up an IRDA device in a manner similar to
+ * 	alloc_etherdev.
+ */
+struct net_device *alloc_irdadev(int sizeof_priv)
+{
+	return alloc_netdev(sizeof_priv, "irda%d", irda_device_setup);
+}
+
+
 /*
  * Function irda_device_txqueue_empty (dev)
  *

net/irda/irsyms.c

@@ -150,6 +150,7 @@ EXPORT_SYMBOL(irlap_close);
 EXPORT_SYMBOL(irda_init_max_qos_capabilies);
 EXPORT_SYMBOL(irda_qos_bits_to_value);
 EXPORT_SYMBOL(irda_device_setup);
+EXPORT_SYMBOL(alloc_irdadev);
 EXPORT_SYMBOL(irda_device_set_media_busy);
 EXPORT_SYMBOL(irda_device_txqueue_empty);