openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

staging: comedi: dyna_pci10xx: cleanup "find pci device" code 

Cleanup the "find pci device" code so that it follows the style
of the other comedi pci drivers.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-07-18 18:59:17 -07:00 committed by Greg Kroah-Hartman
parent 1f20b973f6
commit 5d30e51909
1 changed files with 17 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
drivers/staging/comedi/drivers/dyna_pci10xx.c
View File

@ -233,55 +233,31 @@ static struct pci_dev *dyna_pci10xx_find_pci_dev(struct comedi_device *dev,
struct comedi_devconfig *it)
{
struct pci_dev *pcidev = NULL;
int opt_bus = it->options[0];
int opt_slot = it->options[1];
int board_index;
int bus = it->options[0];
int slot = it->options[1];
int i;
for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
pcidev != NULL;
pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) {
board_index = -1;
for (i = 0; i < ARRAY_SIZE(boardtypes); ++i) {
if ((pcidev->vendor == PCI_VENDOR_ID_DYNALOG) &&
(pcidev->device == boardtypes[i].device_id)) {
board_index = i;
break;
}
for_each_pci_dev(pcidev) {
if (bus || slot) {
if (bus != pcidev->bus->number ||
slot != PCI_SLOT(pcidev->devfn))
continue;
}
if (board_index < 0)
if (pcidev->vendor != PCI_VENDOR_ID_DYNALOG)
continue;
/* Found matching vendor/device. */
if (opt_bus || opt_slot) {
/* Check bus/slot. */
if (opt_bus != pcidev->bus->number
|| opt_slot != PCI_SLOT(pcidev->devfn))
continue; /* no match */
}
for (i = 0; i < ARRAY_SIZE(boardtypes); ++i) {
if (pcidev->device != boardtypes[i].device_id)
continue;
goto found;
dev->board_ptr = &boardtypes[i];
return pcidev;
}
}
printk(KERN_ERR "comedi: dyna_pci10xx: no supported device found!\n");
dev_err(dev->class_dev,
"No supported board found! (req. bus %d, slot %d)\n",
bus, slot);
return NULL;
found:
if (!pcidev) {
if (opt_bus || opt_slot) {
printk(KERN_ERR "comedi: dyna_pci10xx: "
"invalid PCI device at b:s %d:%d\n",
opt_bus, opt_slot);
} else {
printk(KERN_ERR "comedi: dyna_pci10xx: "
"invalid PCI device\n");
}
return NULL;
}
dev->board_ptr = &boardtypes[board_index];
return pcidev;
}
static int dyna_pci10xx_attach(struct comedi_device *dev,