MIPS: RB532: Replace parse_mac_addr() with mac_pton().

Signed-off-by: Daniel Walter <dwalter@google.com>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/7150/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 4 insertions, 23 deletions

diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c
index 3af00b2a26ee..03a4cdc80226 100644
--- a/arch/mips/rb532/devices.c
+++ b/arch/mips/rb532/devices.c
@@ -250,28 +250,6 @@ static struct platform_device *rb532_devs[] = {
         &rb532_wdt
 };
 
-static void __init parse_mac_addr(char *macstr)
-{
-        int i, h, l;
-
-        for (i = 0; i < 6; i++) {
-                if (i != 5 && *(macstr + 2) != ':')
-                        return;
-
-                h = hex_to_bin(*macstr++);
-                if (h == -1)
-                        return;
-
-                l = hex_to_bin(*macstr++);
-                if (l == -1)
-                        return;
-
-                macstr++;
-                korina_dev0_data.mac[i] = (h << 4) + l;
-        }
-}
-
-
 /* NAND definitions */
 #define NAND_CHIP_DELAY 25
 
@@ -333,7 +311,10 @@ static int __init plat_setup_devices(void)
 static int __init setup_kmac(char *s)
 {
         printk(KERN_INFO "korina mac = %s\n", s);
-        parse_mac_addr(s);
+        if (!mac_pton(s, korina_dev0_data.mac)) {
+                printk(KERN_ERR "Invalid mac\n");
+                return -EINVAL;
+        }
         return 0;
 }