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 int pcmad_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {
-       const struct pcmad_board_struct *board = comedi_board(dev);
+       const struct pcmad_board_struct *board = dev->board_ptr;
        struct comedi_subdevice *s;
        int ret;