[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/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index ba3d0e5..f12e33a 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -1929,6 +1929,7 @@
 	void __iomem *regs;
 	unsigned long pciaddr;
 	static int board_idx = -1;
+	DECLARE_MAC_BUF(mac);
 
 	board_idx++;
 
@@ -2042,15 +2043,11 @@
 		goto err_out_iomap;
 
 	/* print info about board and interface just registered */
-	printk (KERN_INFO "%s: %s at 0x%lx, "
-		"%02x:%02x:%02x:%02x:%02x:%02x, "
-		"IRQ %d\n",
+	printk (KERN_INFO "%s: %s at 0x%lx, %s, IRQ %d\n",
 		dev->name,
 		de->de21040 ? "21040" : "21041",
 		dev->base_addr,
-		dev->dev_addr[0], dev->dev_addr[1],
-		dev->dev_addr[2], dev->dev_addr[3],
-		dev->dev_addr[4], dev->dev_addr[5],
+		print_mac(mac, dev->dev_addr),
 		dev->irq);
 
 	pci_set_drvdata(pdev, dev);