From a890062bb785fcf8b160cb8b635aefffebfd0e8d Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 18 Jul 2012 19:02:11 -0700 Subject: [PATCH] staging: comedi: ke_counter: 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 Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/ke_counter.c | 60 ++++++++------------- 1 file changed, 23 insertions(+), 37 deletions(-) diff --git a/drivers/staging/comedi/drivers/ke_counter.c b/drivers/staging/comedi/drivers/ke_counter.c index f0b8652a1c47..826e6c205421 100644 --- a/drivers/staging/comedi/drivers/ke_counter.c +++ b/drivers/staging/comedi/drivers/ke_counter.c @@ -125,49 +125,35 @@ static int cnt_rinsn(struct comedi_device *dev, static struct pci_dev *cnt_find_pci_dev(struct comedi_device *dev, struct comedi_devconfig *it) { - struct cnt_board_struct *board; - struct pci_dev *pci_device = NULL; + const struct cnt_board_struct *board; + struct pci_dev *pcidev = NULL; + int bus = it->options[0]; + int slot = it->options[1]; int i; /* Probe the device to determine what device in the series it is. */ - for_each_pci_dev(pci_device) { - if (pci_device->vendor == PCI_VENDOR_ID_KOLTER) { - for (i = 0; i < cnt_board_nbr; i++) { - if (cnt_boards[i].device_id == - pci_device->device) { - /* was a particular bus/slot requested? */ - if ((it->options[0] != 0) - || (it->options[1] != 0)) { - /* are we on the wrong bus/slot? */ - if (pci_device->bus->number != - it->options[0] - || - PCI_SLOT(pci_device->devfn) - != it->options[1]) { - continue; - } - } - - dev->board_ptr = cnt_boards + i; - board = - (struct cnt_board_struct *) - dev->board_ptr; - goto found; - } - } + for_each_pci_dev(pcidev) { + if (bus || slot) { + if (pcidev->bus->number != bus || + PCI_SLOT(pcidev->devfn) != slot) + continue; + } + if (pcidev->vendor != PCI_VENDOR_ID_KOLTER) + continue; + + for (i = 0; i < cnt_board_nbr; i++) { + board = &cnt_boards[i]; + if (board->device_id != pcidev->device) + continue; + + dev->board_ptr = board; + return pcidev; } } - printk(KERN_WARNING - "comedi%d: no supported board found! (req. bus/slot: %d/%d)\n", - dev->minor, it->options[0], it->options[1]); + dev_err(dev->class_dev, + "No supported board found! (req. bus %d, slot %d)\n", + bus, slot); return NULL; - -found: - printk(KERN_INFO - "comedi%d: found %s at PCI bus %d, slot %d\n", dev->minor, - board->name, pci_device->bus->number, - PCI_SLOT(pci_device->devfn)); - return pci_device; } static int cnt_attach(struct comedi_device *dev, struct comedi_devconfig *it) -- 2.20.1