The `comedi_board(dev)` inline function calls just return
`dev->board_ptr`.  Expand the inline function calls.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 
 static unsigned int ni_65xx_num_ports(struct comedi_device *dev)
 {
-       const struct ni_65xx_board *board = comedi_board(dev);
+       const struct ni_65xx_board *board = dev->board_ptr;
 
        return board->num_dio_ports + board->num_di_ports + board->num_do_ports;
 }