[NET]: Introduce and use print_mac() and DECLARE_MAC_BUF()

This is nicer than the MAC_FMT stuff.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/mac89x0.c b/drivers/net/mac89x0.c
index f6f3fdfe..30854f0 100644
--- a/drivers/net/mac89x0.c
+++ b/drivers/net/mac89x0.c
@@ -181,6 +181,7 @@
 	unsigned long ioaddr;
 	unsigned short sig;
 	int err = -ENODEV;
+	DECLARE_MAC_BUF(mac);
 
 	dev = alloc_etherdev(sizeof(struct net_local));
 	if (!dev)
@@ -272,13 +273,11 @@
         }
 
 	dev->irq = SLOT2IRQ(slot);
-	printk(" IRQ %d ADDR ", dev->irq);
 
-	/* print the ethernet address. */
-	for (i = 0; i < ETH_ALEN; i++)
-		printk("%2.2x%s", dev->dev_addr[i],
-		       ((i < ETH_ALEN-1) ? ":" : ""));
-	printk("\n");
+	/* print the IRQ and ethernet address. */
+
+	printk(" IRQ %d ADDR %s\n",
+	       dev->irq, print_mac(mac, dev->dev_addr));
 
 	dev->open		= net_open;
 	dev->stop		= net_close;