diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_670x.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_670x.c | 62 |
1 files changed, 24 insertions, 38 deletions
diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c index 9c57618f2c5..eac6dc047bb 100644 --- a/drivers/staging/comedi/drivers/ni_670x.c +++ b/drivers/staging/comedi/drivers/ni_670x.c @@ -187,37 +187,22 @@ static int ni_670x_dio_insn_config(struct comedi_device *dev, return insn->n; } -static int ni_670x_find_device(struct comedi_device *dev, int bus, int slot) +static const struct ni_670x_board * +ni_670x_find_boardinfo(struct pci_dev *pcidev) { - struct ni_670x_private *devpriv = dev->private; - struct mite_struct *mite; - int i; - - for (mite = mite_devices; mite; mite = mite->next) { - if (mite->used) - continue; - if (bus || slot) { - if (bus != mite->pcidev->bus->number - || slot != PCI_SLOT(mite->pcidev->devfn)) - continue; - } - - for (i = 0; i < ARRAY_SIZE(ni_670x_boards); i++) { - if (mite_device_id(mite) == ni_670x_boards[i].dev_id) { - dev->board_ptr = ni_670x_boards + i; - devpriv->mite = mite; + unsigned int dev_id = pcidev->device; + unsigned int n; - return 0; - } - } + for (n = 0; n < ARRAY_SIZE(ni_670x_boards); n++) { + const struct ni_670x_board *board = &ni_670x_boards[n]; + if (board->dev_id == dev_id) + return board; } - dev_warn(dev->class_dev, "no device found\n"); - mite_list_devices(); - return -EIO; + return NULL; } -static int ni_670x_attach(struct comedi_device *dev, - struct comedi_devconfig *it) +static int __devinit ni_670x_attach_pci(struct comedi_device *dev, + struct pci_dev *pcidev) { const struct ni_670x_board *thisboard; struct ni_670x_private *devpriv; @@ -229,10 +214,12 @@ static int ni_670x_attach(struct comedi_device *dev, if (ret < 0) return ret; devpriv = dev->private; - - ret = ni_670x_find_device(dev, it->options[0], it->options[1]); - if (ret < 0) - return ret; + dev->board_ptr = ni_670x_find_boardinfo(pcidev); + if (!dev->board_ptr) + return -ENODEV; + devpriv->mite = mite_alloc(pcidev); + if (!devpriv->mite) + return -ENOMEM; thisboard = comedi_board(dev); ret = mite_setup(devpriv->mite); @@ -241,13 +228,12 @@ static int ni_670x_attach(struct comedi_device *dev, return ret; } dev->board_name = thisboard->name; - dev->irq = mite_irq(devpriv->mite); ret = comedi_alloc_subdevices(dev, 2); if (ret) return ret; - s = dev->subdevices + 0; + s = &dev->subdevices[0]; /* analog output subdevice */ s->type = COMEDI_SUBD_AO; s->subdev_flags = SDF_WRITABLE; @@ -271,7 +257,7 @@ static int ni_670x_attach(struct comedi_device *dev, s->insn_write = &ni_670x_ao_winsn; s->insn_read = &ni_670x_ao_rinsn; - s = dev->subdevices + 1; + s = &dev->subdevices[1]; /* digital i/o subdevice */ s->type = COMEDI_SUBD_DIO; s->subdev_flags = SDF_READABLE | SDF_WRITABLE; @@ -298,20 +284,20 @@ static void ni_670x_detach(struct comedi_device *dev) struct comedi_subdevice *s; if (dev->n_subdevices) { - s = dev->subdevices + 0; + s = &dev->subdevices[0]; if (s) kfree(s->range_table_list); } - if (devpriv && devpriv->mite) + if (devpriv && devpriv->mite) { mite_unsetup(devpriv->mite); - if (dev->irq) - free_irq(dev->irq, dev); + mite_free(devpriv->mite); + } } static struct comedi_driver ni_670x_driver = { .driver_name = "ni_670x", .module = THIS_MODULE, - .attach = ni_670x_attach, + .attach_pci = ni_670x_attach_pci, .detach = ni_670x_detach, }; |