diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/das08.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/das08.c b/drivers/staging/comedi/drivers/das08.c index 680384c8e099..8ebb56d9682e 100644 --- a/drivers/staging/comedi/drivers/das08.c +++ b/drivers/staging/comedi/drivers/das08.c @@ -235,14 +235,13 @@ static const int *const das08_gainlists[] = { das08_pgm_gainlist, }; -#define devpriv ((struct das08_private_struct *)dev->private) -#define thisboard ((const struct das08_board_struct *)dev->board_ptr) - #define TIMEOUT 100000 static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + const struct das08_board_struct *thisboard = comedi_board(dev); + struct das08_private_struct *devpriv = dev->private; int i, n; int chan; int range; @@ -320,6 +319,7 @@ static int das08_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s, static int das08_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct das08_private_struct *devpriv = dev->private; int wbits; /* get current settings of digital output lines */ @@ -358,6 +358,8 @@ static int das08jr_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct das08_private_struct *devpriv = dev->private; + /* null bits we are going to set */ devpriv->do_bits &= ~data[0]; /* set new bit values */ @@ -528,6 +530,7 @@ static int das08_counter_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct das08_private_struct *devpriv = dev->private; int chan = insn->chanspec; data[0] = i8254_read_channel(&devpriv->i8254, chan); return 1; @@ -537,6 +540,7 @@ static int das08_counter_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct das08_private_struct *devpriv = dev->private; int chan = insn->chanspec; i8254_write_channel(&devpriv->i8254, chan, data[0]); return 1; @@ -546,6 +550,7 @@ static int das08_counter_config(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + struct das08_private_struct *devpriv = dev->private; int chan = insn->chanspec; if (insn->n != 2) @@ -823,6 +828,8 @@ EXPORT_SYMBOL_GPL(das08_cs_boards); int das08_common_attach(struct comedi_device *dev, unsigned long iobase) { + const struct das08_board_struct *thisboard = comedi_board(dev); + struct das08_private_struct *devpriv = dev->private; struct comedi_subdevice *s; int ret; @@ -934,12 +941,15 @@ EXPORT_SYMBOL_GPL(das08_common_attach); #ifdef DO_COMEDI_DRIVER_REGISTER static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it) { + const struct das08_board_struct *thisboard = comedi_board(dev); + struct das08_private_struct *devpriv; int ret; unsigned long iobase; ret = alloc_private(dev, sizeof(struct das08_private_struct)); if (ret < 0) return ret; + devpriv = dev->private; dev_info(dev->class_dev, "attach\n"); if (IS_ENABLED(CONFIG_COMEDI_DAS08_PCI) && thisboard->bustype == pci) { @@ -1016,6 +1026,9 @@ EXPORT_SYMBOL_GPL(das08_common_detach); #ifdef DO_COMEDI_DRIVER_REGISTER static void das08_detach(struct comedi_device *dev) { + const struct das08_board_struct *thisboard = comedi_board(dev); + struct das08_private_struct *devpriv = dev->private; + das08_common_detach(dev); if (IS_ENABLED(CONFIG_COMEDI_DAS08_ISA) && (thisboard->bustype == isa || thisboard->bustype == pc104)) { |