port->lock get's initialized in uart_add_one_port(), no need to do it
in men_z135_probe().
Signed-off-by: NJohannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: NPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>