net: calxedaxgmac: add uc and mc filter addresses in promiscuous mode

Even in promiscuous mode, we need to add filter addresses for correct
operation. This fixes silent failures when using a bridge and adding
addresses using the "bridge fdb add" command.
Signed-off-by: NRob Herring <rob.herring@calxeda.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/calxeda/xgmac.c

@@ -1291,10 +1291,8 @@ static void xgmac_set_rx_mode(struct net_device *dev)
 	netdev_dbg(priv->dev, "# mcasts %d, # unicast %d\n",
 		 netdev_mc_count(dev), netdev_uc_count(dev));
 
-	if (dev->flags & IFF_PROMISC) {
-		writel(XGMAC_FRAME_FILTER_PR, ioaddr + XGMAC_FRAME_FILTER);
-		return;
-	}
+	if (dev->flags & IFF_PROMISC)
+		value |= XGMAC_FRAME_FILTER_PR;
 
 	memset(hash_filter, 0, sizeof(hash_filter));