diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/pcl730.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/pcl730.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/staging/comedi/drivers/pcl730.c b/drivers/staging/comedi/drivers/pcl730.c index e11704addedb..02a4386e1031 100644 --- a/drivers/staging/comedi/drivers/pcl730.c +++ b/drivers/staging/comedi/drivers/pcl730.c @@ -32,8 +32,6 @@ struct pcl730_board { unsigned int io_range; /* len of I/O space */ }; -#define this_board ((const struct pcl730_board *)dev->board_ptr) - static int pcl730_do_insn(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { @@ -70,19 +68,20 @@ static int pcl730_di_insn(struct comedi_device *dev, struct comedi_subdevice *s, static int pcl730_attach(struct comedi_device *dev, struct comedi_devconfig *it) { + const struct pcl730_board *board = comedi_board(dev); struct comedi_subdevice *s; unsigned long iobase; unsigned int iorange; iobase = it->options[0]; - iorange = this_board->io_range; + iorange = board->io_range; printk(KERN_INFO "comedi%d: pcl730: board=%s 0x%04lx ", dev->minor, - this_board->name, iobase); + board->name, iobase); if (!request_region(iobase, iorange, "pcl730")) { printk("I/O port conflict\n"); return -EIO; } - dev->board_name = this_board->name; + dev->board_name = board->name; dev->iobase = iobase; dev->irq = 0; @@ -136,8 +135,10 @@ static int pcl730_attach(struct comedi_device *dev, struct comedi_devconfig *it) static void pcl730_detach(struct comedi_device *dev) { + const struct pcl730_board *board = comedi_board(dev); + if (dev->iobase) - release_region(dev->iobase, this_board->io_range); + release_region(dev->iobase, board->io_range); } static const struct pcl730_board boardtypes[] = { |