MIPS: AR7: Replace mac address parsing

Replace sscanf() with mac_pton().

[[e-mail]: Resolved conflict.]

Signed-off-by: Daniel Walter <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Patchwork: https://patchwork.linux-mips.org/patch/7151/
Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/ar7/platform.c

···
 	}
 
 	if (mac) {
-		if (sscanf(mac, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
-					&dev_addr[0], &dev_addr[1],
-					&dev_addr[2], &dev_addr[3],
-					&dev_addr[4], &dev_addr[5]) != 6) {
+		if (!mac_pton(mac, dev_addr)) {
 			pr_warn("cannot parse mac address, using random address\n");
 			eth_random_addr(dev_addr);
 		}