When disabling a port, that is not for the driver to decide what to
do with the STP state. This is already handled by the DSA layer.
Signed-off-by: NVivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: NAndrew Lunn <andrew@lunn.ch>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>