/* Verify the new serial port information contained within serinfo is suitable for this port type.  */
static int mux_verify_port(struct uart_port *port, struct serial_struct *ser)
/* Verify the new serial port information contained within serinfo is suitable for this port type.  */
static int mux_verify_port(struct uart_port *port, struct serial_struct *ser)
{
	if(port->membase == NULL)
		return -EINVAL;
	return 0;
}