The information contained within platform_data should be self-contained.
Replace the pointer to a MAC address with the actual MAC address in
struct mv643xx_eth_platform_data.

Signed-off-by: Dale Farnsworth <redacted>

Index: b/drivers/net/mv643xx_eth.c
===================================================================

--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c

@@ -1380,7 +1380,9 @@ static int mv643xx_eth_probe(struct plat
 
 	pd = pdev->dev.platform_data;
 	if (pd) {
-		if (pd->mac_addr)
+		static u8 zero_mac_addr[6] = { 0 };
+
+		if (memcmp(pd->mac_addr, zero_mac_addr, 6) != 0)
 			memcpy(dev->dev_addr, pd->mac_addr, 6);