mlxsw: spectrum: Remove support for bridge FDB learning sync

Currently the mlxsw 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>
Reviewed-by: NIdo Schimmel <idosch@mellanox.com>
Signed-off-by: NJiri Pirko <jiri@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c

@@ -1857,19 +1857,17 @@ void mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port,
 	mlxsw_sp_bridge_port_put(mlxsw_sp->bridge, bridge_port);
 }
 
-static void mlxsw_sp_fdb_call_notifiers(bool learning_sync, bool adding,
+static void mlxsw_sp_fdb_call_notifiers(bool adding,
 					char *mac, u16 vid,
 					struct net_device *dev)
 {
 	struct switchdev_notifier_fdb_info info;
 	unsigned long notifier_type;
 
-	if (learning_sync) {
-		info.addr = mac;
-		info.vid = vid;
-		notifier_type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE;
-		call_switchdev_notifiers(notifier_type, dev, &info.info);
-	}
+	info.addr = mac;
+	info.vid = vid;
+	notifier_type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE;
+	call_switchdev_notifiers(notifier_type, dev, &info.info);
 }
 
 static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
@@ -1918,8 +1916,8 @@ static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
 
 	if (!do_notification)
 		return;
-	mlxsw_sp_fdb_call_notifiers(bridge_port->flags & BR_LEARNING_SYNC,
-				    adding, mac, vid, bridge_port->dev);
+	mlxsw_sp_fdb_call_notifiers(adding, mac, vid, bridge_port->dev);
+
 	return;
 
 just_remove:
@@ -1976,8 +1974,8 @@ static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp,
 
 	if (!do_notification)
 		return;
-	mlxsw_sp_fdb_call_notifiers(bridge_port->flags & BR_LEARNING_SYNC,
-				    adding, mac, vid, bridge_port->dev);
+	mlxsw_sp_fdb_call_notifiers(adding, mac, vid, bridge_port->dev);
+
 	return;
 
 just_remove: