Commit 5d30e519 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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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: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1f20b973
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+17 −41
Original line number Diff line number Diff line
@@ -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)) {
	for_each_pci_dev(pcidev) {
		if (bus || slot) {
			if (bus != pcidev->bus->number ||
			    slot != PCI_SLOT(pcidev->devfn))
				continue;
		}
		if (pcidev->vendor != PCI_VENDOR_ID_DYNALOG)
			continue;

		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;
				}
		}
		if (board_index < 0)
			if (pcidev->device != boardtypes[i].device_id)
				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 */
			dev->board_ptr = &boardtypes[i];
			return pcidev;
		}

		goto found;
	}
	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,