rocker: Remove support for bridge FDB learning sync

Currently the rocker driver supports an option for disabling syncing
the hardware learned FDBs with the software bridge. This behavior
breaks the bridge offload model and thus it is removed.
Signed-off-by: NArkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: NJiri Pirko <jiri@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/rocker/rocker_ofdpa.c

@@ -1959,7 +1959,6 @@ static int ofdpa_port_fdb_learn(struct ofdpa_port *ofdpa_port,
 	u32 out_pport = ofdpa_port->pport;
 	u32 tunnel_id = 0;
 	u32 group_id = ROCKER_GROUP_NONE;
-	bool syncing = !!(ofdpa_port->brport_flags & BR_LEARNING_SYNC);
 	bool copy_to_cpu = false;
 	int err;
 
@@ -1974,9 +1973,6 @@ static int ofdpa_port_fdb_learn(struct ofdpa_port *ofdpa_port,
 			return err;
 	}
 
-	if (!syncing)
-		return 0;
-
 	if (!ofdpa_port_is_bridged(ofdpa_port))
 		return 0;
 
@@ -2550,7 +2546,7 @@ static int ofdpa_port_pre_init(struct rocker_port *rocker_port)
 	ofdpa_port->rocker_port = rocker_port;
 	ofdpa_port->dev = rocker_port->dev;
 	ofdpa_port->pport = rocker_port->pport;
-	ofdpa_port->brport_flags = BR_LEARNING | BR_LEARNING_SYNC;
+	ofdpa_port->brport_flags = BR_LEARNING;
 	ofdpa_port->ageing_time = BR_DEFAULT_AGEING_TIME;
 	return 0;
 }