diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 459caaf6a..2fc33019e 100755
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -2188,7 +2188,7 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu)
 		return 0;
 
 	enable_jumbo = (mtu > ETH_DATA_LEN);
-	allow_10_100 = (dev->chip_id == BCM583XX_DEVICE_ID);
+	allow_10_100 = !is63xx(dev);
 
 	return b53_set_jumbo(dev, enable_jumbo, allow_10_100);
 }