diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-09-05 18:51:20 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-05 20:06:29 -0700 |
| commit | d533ef070d0af7816616499fc4bf0eb36dfd63a6 (patch) | |
| tree | 2daec8ffa61af1012934958fa26d4ecde3229eae /drivers/staging/comedi/drivers/pcl724.c | |
| parent | af77727a2b14b0c475709cfa200e7a25045a2a82 (diff) | |
staging: comedi: pcl724: remove subdevice pointer math
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>
Diffstat (limited to 'drivers/staging/comedi/drivers/pcl724.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/pcl724.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/staging/comedi/drivers/pcl724.c b/drivers/staging/comedi/drivers/pcl724.c index c8fe23ca899d..7b3c4293c01b 100644 --- a/drivers/staging/comedi/drivers/pcl724.c +++ b/drivers/staging/comedi/drivers/pcl724.c @@ -99,6 +99,7 @@ static int subdev_8255mapped_cb(int dir, int port, int data, static int pcl724_attach(struct comedi_device *dev, struct comedi_devconfig *it) { const struct pcl724_board *board = comedi_board(dev); + struct comedi_subdevice *s; unsigned long iobase; unsigned int iorange; int ret, i, n_subdevices; @@ -161,14 +162,13 @@ static int pcl724_attach(struct comedi_device *dev, struct comedi_devconfig *it) return ret; for (i = 0; i < dev->n_subdevices; i++) { + s = &dev->subdevices[i]; if (board->is_pet48) { - subdev_8255_init(dev, dev->subdevices + i, - subdev_8255mapped_cb, + subdev_8255_init(dev, s, subdev_8255mapped_cb, (unsigned long)(dev->iobase + i * 0x1000)); } else - subdev_8255_init(dev, dev->subdevices + i, - subdev_8255_cb, + subdev_8255_init(dev, s, subdev_8255_cb, (unsigned long)(dev->iobase + SIZE_8255 * i)); } @@ -179,10 +179,13 @@ static int pcl724_attach(struct comedi_device *dev, struct comedi_devconfig *it) static void pcl724_detach(struct comedi_device *dev) { const struct pcl724_board *board = comedi_board(dev); + struct comedi_subdevice *s; int i; - for (i = 0; i < dev->n_subdevices; i++) - subdev_8255_cleanup(dev, dev->subdevices + i); + for (i = 0; i < dev->n_subdevices; i++) { + s = &dev->subdevices[i]; + subdev_8255_cleanup(dev, s); + } #ifdef PCL724_IRQ if (dev->irq) free_irq(dev->irq, dev); |