[IRDA]: Make irda_device_txqueue_empty inline.

include/net/irda/irda_device.h

@@ -45,6 +45,7 @@
 #include <linux/skbuff.h>		/* struct sk_buff */
 #include <linux/irda.h>
 
+#include <net/pkt_sched.h>
 #include <net/irda/irda.h>
 #include <net/irda/qos.h>		/* struct qos_info */
 #include <net/irda/irqueue.h>		/* irda_queue_t */
@@ -219,7 +220,10 @@ int  irda_device_is_media_busy(struct net_device *dev);
 int  irda_device_is_receiving(struct net_device *dev);
 
 /* Interface for internal use */
-int  irda_device_txqueue_empty(struct net_device *dev);
+static inline int irda_device_txqueue_empty(const struct net_device *dev)
+{
+	return (skb_queue_len(&dev->qdisc->q) == 0);
+}
 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);

net/irda/irda_device.c

@@ -47,8 +47,6 @@
 #include <asm/dma.h>
 #include <asm/io.h>
 
-#include <net/pkt_sched.h>
-
 #include <net/irda/irda_device.h>
 #include <net/irda/irlap.h>
 #include <net/irda/timer.h>
@@ -398,22 +396,6 @@ struct net_device *alloc_irdadev(int sizeof_priv)
 	return alloc_netdev(sizeof_priv, "irda%d", irda_device_setup);
 }
 
-
-/*
- * Function irda_device_txqueue_empty (dev)
- *
- *    Check if there is still some frames in the transmit queue for this
- *    device. Maybe we should use: q->q.qlen == 0.
- *
- */
-int irda_device_txqueue_empty(struct net_device *dev)
-{
-	if (skb_queue_len(&dev->qdisc->q))
-		return FALSE;
-
-	return TRUE;
-}
-
 /*
  * Function irda_device_init_dongle (self, type, qos)
  *