aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/comedi/drivers/ni_pcimio.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_pcimio.c')
-rw-r--r--drivers/staging/comedi/drivers/ni_pcimio.c70
1 files changed, 30 insertions, 40 deletions
diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c
index 89f4d43c6d0..f284a90720e 100644
--- a/drivers/staging/comedi/drivers/ni_pcimio.c
+++ b/drivers/staging/comedi/drivers/ni_pcimio.c
@@ -1188,8 +1188,6 @@ static const struct ni_board_struct ni_boards[] = {
},
};
-#define n_pcimio_boards ARRAY_SIZE(ni_boards)
-
struct ni_private {
NI_PRIVATE_COMMON};
#define devpriv ((struct ni_private *)dev->private)
@@ -1502,7 +1500,6 @@ static uint32_t m_series_stc_readl(struct comedi_device *dev, int reg)
#include "ni_mio_common.c"
-static int pcimio_find_device(struct comedi_device *dev, int bus, int slot);
static int pcimio_ai_change(struct comedi_device *dev,
struct comedi_subdevice *s, unsigned long new_size);
static int pcimio_ao_change(struct comedi_device *dev,
@@ -1584,24 +1581,45 @@ static void pcimio_detach(struct comedi_device *dev)
mite_free_ring(devpriv->cdo_mite_ring);
mite_free_ring(devpriv->gpct_mite_ring[0]);
mite_free_ring(devpriv->gpct_mite_ring[1]);
- if (devpriv->mite)
+ if (devpriv->mite) {
mite_unsetup(devpriv->mite);
+ mite_free(devpriv->mite);
+ }
}
}
-static int pcimio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
+static const struct ni_board_struct *
+pcimio_find_boardinfo(struct pci_dev *pcidev)
+{
+ unsigned int device_id = pcidev->device;
+ unsigned int n;
+
+ for (n = 0; n < ARRAY_SIZE(ni_boards); n++) {
+ const struct ni_board_struct *board = &ni_boards[n];
+ if (board->device_id == device_id)
+ return board;
+ }
+ return NULL;
+}
+
+static int __devinit pcimio_attach_pci(struct comedi_device *dev,
+ struct pci_dev *pcidev)
{
int ret;
- dev_info(dev->class_dev, "ni_pcimio: attach\n");
+ dev_info(dev->class_dev, "ni_pcimio: attach %s\n", pci_name(pcidev));
ret = ni_alloc_private(dev);
if (ret < 0)
return ret;
- ret = pcimio_find_device(dev, it->options[0], it->options[1]);
- if (ret < 0)
- return ret;
+ dev->board_ptr = pcimio_find_boardinfo(pcidev);
+ if (!dev->board_ptr)
+ return -ENODEV;
+
+ devpriv->mite = mite_alloc(pcidev);
+ if (!devpriv->mite)
+ return -ENOMEM;
dev_dbg(dev->class_dev, "%s\n", boardtype.name);
dev->board_name = boardtype.name;
@@ -1659,7 +1677,7 @@ static int pcimio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
}
}
- ret = ni_E_init(dev, it);
+ ret = ni_E_init(dev);
if (ret < 0)
return ret;
@@ -1672,34 +1690,6 @@ static int pcimio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
return ret;
}
-static int pcimio_find_device(struct comedi_device *dev, int bus, int slot)
-{
- 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 < n_pcimio_boards; i++) {
- if (mite_device_id(mite) == ni_boards[i].device_id) {
- dev->board_ptr = ni_boards + i;
- devpriv->mite = mite;
-
- return 0;
- }
- }
- }
- pr_warn("no device found\n");
- mite_list_devices();
- return -EIO;
-}
-
static int pcimio_ai_change(struct comedi_device *dev,
struct comedi_subdevice *s, unsigned long new_size)
{
@@ -1765,7 +1755,7 @@ static int pcimio_dio_change(struct comedi_device *dev,
static struct comedi_driver ni_pcimio_driver = {
.driver_name = "ni_pcimio",
.module = THIS_MODULE,
- .attach = pcimio_attach,
+ .attach_pci = pcimio_attach_pci,
.detach = pcimio_detach,
};
@@ -1844,7 +1834,7 @@ static struct pci_driver ni_pcimio_pci_driver = {
.probe = ni_pcimio_pci_probe,
.remove = __devexit_p(ni_pcimio_pci_remove)
};
-module_comedi_pci_driver(ni_pcimio_driver, ni_pcimio_pci_driver)
+module_comedi_pci_driver(ni_pcimio_driver, ni_pcimio_pci_driver);
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");