[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/ns83820.c b/drivers/net/ns83820.c
index de495b6..ea71f6d 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -1962,6 +1962,7 @@
 	long addr;
 	int err;
 	int using_dac = 0;
+	DECLARE_MAC_BUF(mac);
 
 	/* See if we can set the dma mask early on; failure is fatal. */
 	if (sizeof(dma_addr_t) == 8 &&
@@ -2226,13 +2227,11 @@
 		ndev->features |= NETIF_F_HIGHDMA;
 	}
 
-	printk(KERN_INFO "%s: ns83820 v" VERSION ": DP83820 v%u.%u: %02x:%02x:%02x:%02x:%02x:%02x io=0x%08lx irq=%d f=%s\n",
+	printk(KERN_INFO "%s: ns83820 v" VERSION ": DP83820 v%u.%u: %s io=0x%08lx irq=%d f=%s\n",
 		ndev->name,
 		(unsigned)readl(dev->base + SRR) >> 8,
 		(unsigned)readl(dev->base + SRR) & 0xff,
-		ndev->dev_addr[0], ndev->dev_addr[1],
-		ndev->dev_addr[2], ndev->dev_addr[3],
-		ndev->dev_addr[4], ndev->dev_addr[5],
+		print_mac(mac, ndev->dev_addr),
 		addr, pci_dev->irq,
 		(ndev->features & NETIF_F_HIGHDMA) ? "h,sg" : "sg"
 		);