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staging: comedi: das08: remove subdevice pointer math

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Convert the comedi_subdevice access from pointer math to array
access.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-09-05 18:35:24 -07:00 • committed by Greg Kroah-Hartman
commit 2add117c2f
1 changed files with 7 additions and 7 deletions
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14
drivers/staging/comedi/drivers/das08.c
View file

@ -670,7 +670,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
if (ret)
return ret;
s = dev->subdevices + 0;
s = &dev->subdevices[0];
/* ai */
if (thisboard->ai_nbits) {
s->type = COMEDI_SUBD_AI;
@ -689,7 +689,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
s->type = COMEDI_SUBD_UNUSED;
}
s = dev->subdevices + 1;
s = &dev->subdevices[1];
/* ao */
if (thisboard->ao_nbits) {
s->type = COMEDI_SUBD_AO;
@ -704,7 +704,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
s->type = COMEDI_SUBD_UNUSED;
}
s = dev->subdevices + 2;
s = &dev->subdevices[2];
/* di */
if (thisboard->di_nchan) {
s->type = COMEDI_SUBD_DI;
@ -718,7 +718,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
s->type = COMEDI_SUBD_UNUSED;
}
s = dev->subdevices + 3;
s = &dev->subdevices[3];
/* do */
if (thisboard->do_nchan) {
s->type = COMEDI_SUBD_DO;
@ -732,7 +732,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
s->type = COMEDI_SUBD_UNUSED;
}
s = dev->subdevices + 4;
s = &dev->subdevices[4];
/* 8255 */
if (thisboard->i8255_offset != 0) {
subdev_8255_init(dev, s, NULL, (unsigned long)(dev->iobase +
@ -742,7 +742,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
s->type = COMEDI_SUBD_UNUSED;
}
s = dev->subdevices + 5;
s = &dev->subdevices[5];
/* 8254 */
if (thisboard->i8254_offset != 0) {
s->type = COMEDI_SUBD_COUNTER;
@ -838,7 +838,7 @@ das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
void das08_common_detach(struct comedi_device *dev)
{
if (dev->subdevices)
subdev_8255_cleanup(dev, dev->subdevices + 4);
subdev_8255_cleanup(dev, &dev->subdevices[4]);
}
EXPORT_SYMBOL_GPL(das08_common_detach);