staging: comedi: das800: replace comedi_board() calls

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>

drivers/staging/comedi/drivers/das800.c

@@ -248,7 +248,7 @@ static unsigned das800_ind_read(struct comedi_device *dev, unsigned reg)
 
 static void das800_enable(struct comedi_device *dev)
 {
-	const struct das800_board *thisboard = comedi_board(dev);
+	const struct das800_board *thisboard = dev->board_ptr;
 	struct das800_private *devpriv = dev->private;
 	unsigned long irq_flags;
 
@@ -325,7 +325,7 @@ static int das800_ai_do_cmdtest(struct comedi_device *dev,
 				struct comedi_subdevice *s,
 				struct comedi_cmd *cmd)
 {
-	const struct das800_board *thisboard = comedi_board(dev);
+	const struct das800_board *thisboard = dev->board_ptr;
 	struct das800_private *devpriv = dev->private;
 	int err = 0;
 	unsigned int arg;
@@ -398,7 +398,7 @@ static int das800_ai_do_cmdtest(struct comedi_device *dev,
 static int das800_ai_do_cmd(struct comedi_device *dev,
 			    struct comedi_subdevice *s)
 {
-	const struct das800_board *thisboard = comedi_board(dev);
+	const struct das800_board *thisboard = dev->board_ptr;
 	struct das800_private *devpriv = dev->private;
 	struct comedi_async *async = s->async;
 	struct comedi_cmd *cmd = &async->cmd;
@@ -633,7 +633,7 @@ static int das800_do_insn_bits(struct comedi_device *dev,
 
 static int das800_probe(struct comedi_device *dev)
 {
-	const struct das800_board *thisboard = comedi_board(dev);
+	const struct das800_board *thisboard = dev->board_ptr;
 	int board = thisboard ? thisboard - das800_boards : -EINVAL;
 	int id_bits;
 	unsigned long irq_flags;
@@ -695,7 +695,7 @@ static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		return -ENODEV;
 	}
 	dev->board_ptr = das800_boards + board;
-	thisboard = comedi_board(dev);
+	thisboard = dev->board_ptr;
 	dev->board_name = thisboard->name;
 
 	if (irq > 1 && irq <= 7) {