[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/smc9194.c b/drivers/net/smc9194.c
index 5b6748e..cb2698d 100644
--- a/drivers/net/smc9194.c
+++ b/drivers/net/smc9194.c
@@ -876,6 +876,8 @@
 	word memory_info_register;
 	word memory_cfg_register;
 
+	DECLARE_MAC_BUF(mac);
+
 	/* Grab the region so that no one else tries to probe our ioports. */
 	if (!request_region(ioaddr, SMC_IO_EXTENT, DRV_NAME))
 		return -EBUSY;
@@ -1031,10 +1033,7 @@
 	/*
 	 . Print the Ethernet address
 	*/
-	printk("ADDR: ");
-	for (i = 0; i < 5; i++)
-		printk("%2.2x:", dev->dev_addr[i] );
-	printk("%2.2x \n", dev->dev_addr[5] );
+	printk("ADDR: %s\n", print_mac(mac, dev->dev_addr));
 
 	/* set the private data to zero by default */
 	memset(dev->priv, 0, sizeof(struct smc_local));