staging: comedi: c6xdigio: board does not use interrupts

This driver does not use interruptes. Don't bother parsing the
configuration option from "comedi_config".
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/c6xdigio.c

@@ -399,7 +399,6 @@ static void board_init(struct comedi_device *dev)
 
 /*
    options[0] - I/O port
-   options[1] - irq
    options[2] - number of encoder chips installed
  */
 
@@ -421,7 +420,6 @@ static int c6xdigio_attach(struct comedi_device *dev,
 {
 	int result = 0;
 	unsigned long iobase;
-	unsigned int irq;
 	struct comedi_subdevice *s;
 
 	iobase = it->options[0];
@@ -439,13 +437,6 @@ static int c6xdigio_attach(struct comedi_device *dev,
 	/*  Make sure that PnP ports get activated */
 	pnp_register_driver(&c6xdigio_pnp_driver);
 
-	irq = it->options[1];
-	if (irq > 0)
-		printk(KERN_DEBUG "comedi%d: irq = %u ignored\n",
-				dev->minor, irq);
-	else if (irq == 0)
-		printk(KERN_DEBUG "comedi%d: no irq\n", dev->minor);
-
 	s = &dev->subdevices[0];
 	/* pwm output subdevice */
 	s->type = COMEDI_SUBD_AO;	/*  Not sure what to put here */
@@ -489,8 +480,6 @@ static void c6xdigio_detach(struct comedi_device *dev)
 {
 	if (dev->iobase)
 		release_region(dev->iobase, C6XDIGIO_SIZE);
-	if (dev->irq)
-		free_irq(dev->irq, dev);
 	pnp_unregister_driver(&c6xdigio_pnp_driver);
 }