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yaml
---
r: 325294
b: refs/heads/master
c: b64c0f5
h: refs/heads/master
v: v3
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Ian Abbott authored and Greg Kroah-Hartman committed Sep 17, 2012
1 parent ee1538a commit 24b72c0
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Showing 2 changed files with 41 additions and 40 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: b4c9a598a7d858bbb845b9b4067c065f63abc10a
refs/heads/master: b64c0f51cbf5e38ffad8e2624a3416a6fa10223b
79 changes: 40 additions & 39 deletions trunk/drivers/staging/comedi/drivers/ni_660x.c
Original file line number Diff line number Diff line change
Expand Up @@ -448,16 +448,14 @@ static inline struct ni_660x_private *private(struct comedi_device *dev)
return dev->private;
}

/* initialized in ni_660x_find_device() */
/* initialized in ni_660x_attach_pci() */
static inline const struct ni_660x_board *board(struct comedi_device *dev)
{
return dev->board_ptr;
}

#define n_ni_660x_boards ARRAY_SIZE(ni_660x_boards)

static int ni_660x_attach(struct comedi_device *dev,
struct comedi_devconfig *it);
static int ni_660x_attach_pci(struct comedi_device *dev,
struct pci_dev *pcidev);
static void ni_660x_detach(struct comedi_device *dev);
static void init_tio_chip(struct comedi_device *dev, int chipset);
static void ni_660x_select_pfi_output(struct comedi_device *dev,
Expand All @@ -467,7 +465,7 @@ static void ni_660x_select_pfi_output(struct comedi_device *dev,
static struct comedi_driver ni_660x_driver = {
.driver_name = "ni_660x",
.module = THIS_MODULE,
.attach = ni_660x_attach,
.attach_pci = ni_660x_attach_pci,
.detach = ni_660x_detach,
};

Expand All @@ -490,7 +488,6 @@ static struct pci_driver ni_660x_pci_driver = {
};
module_comedi_pci_driver(ni_660x_driver, ni_660x_pci_driver);

static int ni_660x_find_device(struct comedi_device *dev, int bus, int slot);
static int ni_660x_set_pfi_routing(struct comedi_device *dev, unsigned chan,
unsigned source);

Expand Down Expand Up @@ -1037,8 +1034,36 @@ static void ni_660x_free_mite_rings(struct comedi_device *dev)
}
}

static int ni_660x_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
/* FIXME: remove this when dynamic MITE allocation implemented. */
static struct mite_struct *ni_660x_find_mite(struct pci_dev *pcidev)
{
struct mite_struct *mite;

for (mite = mite_devices; mite; mite = mite->next) {
if (mite->used)
continue;
if (mite->pcidev == pcidev)
return mite;
}
return NULL;
}

static const struct ni_660x_board *
ni_660x_find_boardinfo(struct pci_dev *pcidev)
{
unsigned int dev_id = pcidev->device;
unsigned int n;

for (n = 0; n < ARRAY_SIZE(ni_660x_boards); n++) {
const struct ni_660x_board *board = &ni_660x_boards[n];
if (board->dev_id == dev_id)
return board;
}
return NULL;
}

static int __devinit ni_660x_attach_pci(struct comedi_device *dev,
struct pci_dev *pcidev)
{
struct comedi_subdevice *s;
int ret;
Expand All @@ -1048,9 +1073,12 @@ static int ni_660x_attach(struct comedi_device *dev,
ret = ni_660x_allocate_private(dev);
if (ret < 0)
return ret;
ret = ni_660x_find_device(dev, it->options[0], it->options[1]);
if (ret < 0)
return ret;
dev->board_ptr = ni_660x_find_boardinfo(pcidev);
if (!dev->board_ptr)
return -ENODEV;
private(dev)->mite = ni_660x_find_mite(pcidev);
if (!private(dev)->mite)
return -ENODEV;

dev->board_name = board(dev)->name;

Expand Down Expand Up @@ -1211,33 +1239,6 @@ static int ni_660x_GPCT_winsn(struct comedi_device *dev,
return ni_tio_winsn(subdev_to_counter(s), insn, data);
}

static int ni_660x_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_ni_660x_boards; i++) {
if (mite_device_id(mite) == ni_660x_boards[i].dev_id) {
dev->board_ptr = ni_660x_boards + i;
private(dev)->mite = mite;
return 0;
}
}
}
dev_warn(dev->class_dev, "no device found\n");
mite_list_devices();
return -EIO;
}

static int ni_660x_dio_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
Expand Down

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