From b8acd7750a2366216d9ec81f96b0594f6bb86707 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 18 Jul 2012 18:50:16 -0700 Subject: [PATCH] staging: comedi: contec_pci_dio: cleanup "find pci device" code Add a couple local variables and reorder the tests to make to make the more concise. Change the printk to a dev_err when no match is found and reword the message. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/contec_pci_dio.c | 27 ++++++++++++++----------- 1 file changed, 15 insertions(+), 12 deletions(-) diff --git a/drivers/staging/comedi/drivers/contec_pci_dio.c b/drivers/staging/comedi/drivers/contec_pci_dio.c index e4d37fc..b75a8af 100644 --- a/drivers/staging/comedi/drivers/contec_pci_dio.c +++ b/drivers/staging/comedi/drivers/contec_pci_dio.c @@ -101,22 +101,25 @@ static struct pci_dev *contec_find_pci_dev(struct comedi_device *dev, struct comedi_devconfig *it) { struct pci_dev *pcidev = NULL; + int bus = it->options[0]; + int slot = it->options[1]; for_each_pci_dev(pcidev) { - if (pcidev->vendor == PCI_VENDOR_ID_CONTEC && - pcidev->device == PCI_DEVICE_ID_PIO1616L) { - if (it->options[0] || it->options[1]) { - /* Check bus and slot. */ - if (it->options[0] != pcidev->bus->number || - it->options[1] != PCI_SLOT(pcidev->devfn)) { - continue; - } - } - dev->board_ptr = contec_boards + 0; - return pcidev; + if (bus || slot) { + if (bus != pcidev->bus->number || + slot != PCI_SLOT(pcidev->devfn)) + continue; } + if (pcidev->vendor != PCI_VENDOR_ID_CONTEC || + pcidev->device != PCI_DEVICE_ID_PIO1616L) + continue; + + dev->board_ptr = contec_boards + 0; + return pcidev; } - printk("card not present!\n"); + dev_err(dev->class_dev, + "No supported board found! (req. bus %d, slot %d)\n", + bus, slot); return NULL; } -- 2.7.4