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>
                             struct comedi_subdevice *s,
                             struct comedi_cmd *cmd)
 {
-       const struct dt282x_board *board = comedi_board(dev);
+       const struct dt282x_board *board = dev->board_ptr;
        struct dt282x_private *devpriv = dev->private;
        int err = 0;
        unsigned int arg;
  */
 static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {
-       const struct dt282x_board *board = comedi_board(dev);
+       const struct dt282x_board *board = dev->board_ptr;
        struct dt282x_private *devpriv;
        struct comedi_subdevice *s;
        int ret;