diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/serial2002.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/serial2002.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c index 6342bc5ddb3e..c18314be8c82 100644 --- a/drivers/staging/comedi/drivers/serial2002.c +++ b/drivers/staging/comedi/drivers/serial2002.c @@ -47,11 +47,6 @@ struct serial2002_board { const char *name; }; -/* - * Useful for shorthand access to the particular board structure - */ -#define thisboard ((const struct serial2002_board *)dev->board_ptr) - struct serial2002_range_table_t { /* HACK... */ @@ -648,7 +643,7 @@ err_alloc_configs: if (result) { if (devpriv->tty) { - filp_close(devpriv->tty, 0); + filp_close(devpriv->tty, NULL); devpriv->tty = NULL; } } @@ -658,8 +653,8 @@ err_alloc_configs: static void serial_2002_close(struct comedi_device *dev) { - if (!IS_ERR(devpriv->tty) && (devpriv->tty != 0)) - filp_close(devpriv->tty, 0); + if (!IS_ERR(devpriv->tty) && devpriv->tty) + filp_close(devpriv->tty, NULL); } static int serial2002_di_rinsn(struct comedi_device *dev, @@ -783,21 +778,24 @@ static int serial2002_ei_rinsn(struct comedi_device *dev, static int serial2002_attach(struct comedi_device *dev, struct comedi_devconfig *it) { + const struct serial2002_board *board = comedi_board(dev); struct comedi_subdevice *s; + int ret; - dev_dbg(dev->hw_dev, "comedi%d: attached\n", dev->minor); - dev->board_name = thisboard->name; + dev_dbg(dev->class_dev, "serial2002: attach\n"); + dev->board_name = board->name; if (alloc_private(dev, sizeof(struct serial2002_private)) < 0) return -ENOMEM; dev->open = serial_2002_open; dev->close = serial_2002_close; devpriv->port = it->options[0]; devpriv->speed = it->options[1]; - dev_dbg(dev->hw_dev, "/dev/ttyS%d @ %d\n", devpriv->port, + dev_dbg(dev->class_dev, "/dev/ttyS%d @ %d\n", devpriv->port, devpriv->speed); - if (alloc_subdevices(dev, 5) < 0) - return -ENOMEM; + ret = comedi_alloc_subdevices(dev, 5); + if (ret) + return ret; /* digital input subdevice */ s = dev->subdevices + 0; @@ -823,7 +821,7 @@ static int serial2002_attach(struct comedi_device *dev, s->subdev_flags = SDF_READABLE | SDF_GROUND; s->n_chan = 0; s->maxdata = 1; - s->range_table = 0; + s->range_table = NULL; s->insn_read = &serial2002_ai_rinsn; /* analog output subdevice */ @@ -832,7 +830,7 @@ static int serial2002_attach(struct comedi_device *dev, s->subdev_flags = SDF_WRITEABLE; s->n_chan = 0; s->maxdata = 1; - s->range_table = 0; + s->range_table = NULL; s->insn_write = &serial2002_ao_winsn; s->insn_read = &serial2002_ao_rinsn; @@ -842,7 +840,7 @@ static int serial2002_attach(struct comedi_device *dev, s->subdev_flags = SDF_READABLE | SDF_LSAMPL; s->n_chan = 0; s->maxdata = 1; - s->range_table = 0; + s->range_table = NULL; s->insn_read = &serial2002_ei_rinsn; return 1; |