From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755786Ab2GSCDh (ORCPT ); Wed, 18 Jul 2012 22:03:37 -0400 Received: from mail127.messagelabs.com ([216.82.250.115]:9314 "EHLO mail127.messagelabs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753243Ab2GSCDc (ORCPT ); Wed, 18 Jul 2012 22:03:32 -0400 X-Env-Sender: hartleys@visionengravers.com X-Msg-Ref: server-9.tower-127.messagelabs.com!1342663409!9010027!4 X-Originating-IP: [216.166.12.69] X-StarScan-Version: 6.5.10; banners=-,-,- X-VirusChecked: Checked From: H Hartley Sweeten To: Linux Kernel Subject: [PATCH 82/90] staging: comedi: me_daq: factor out the "find pci device" code Date: Wed, 18 Jul 2012 19:03:25 -0700 User-Agent: KMail/1.9.9 CC: , , MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-ID: <201207181903.25999.hartleys@visionengravers.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Factor the "find pci device" code out of the attach function. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Cc: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/me_daq.c | 49 ++++++++++++++++++++------------- 1 file changed, 30 insertions(+), 19 deletions(-) diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c index 1803d66..dc0fbbd 100644 --- a/drivers/staging/comedi/drivers/me_daq.c +++ b/drivers/staging/comedi/drivers/me_daq.c @@ -610,23 +610,11 @@ static int me_reset(struct comedi_device *dev) return 0; } -static int me_attach(struct comedi_device *dev, struct comedi_devconfig *it) +static struct pci_dev *me_find_pci_dev(struct comedi_device *dev, + struct comedi_devconfig *it) { struct pci_dev *pci_device = NULL; - struct comedi_subdevice *subdevice; - struct me_board *board; - resource_size_t plx_regbase_tmp; - unsigned long plx_regbase_size_tmp; - resource_size_t me_regbase_tmp; - unsigned long me_regbase_size_tmp; - resource_size_t swap_regbase_tmp; - unsigned long swap_regbase_size_tmp; - resource_size_t regbase_tmp; - int result, error, i; - - /* Allocate private memory */ - if (alloc_private(dev, sizeof(struct me_private_data)) < 0) - return -ENOMEM; + int i; /* Probe the device to determine what device in the series it is. */ for_each_pci_dev(pci_device) { @@ -652,9 +640,6 @@ static int me_attach(struct comedi_device *dev, struct comedi_devconfig *it) } dev->board_ptr = me_boards + i; - board = - (struct me_board *)dev->board_ptr; - dev_private->pci_device = pci_device; goto found; } } @@ -664,12 +649,38 @@ static int me_attach(struct comedi_device *dev, struct comedi_devconfig *it) printk(KERN_ERR "comedi%d: no supported board found! (req. bus/slot : %d/%d)\n", dev->minor, it->options[0], it->options[1]); - return -EIO; + return NULL; found: printk(KERN_INFO "comedi%d: found %s at PCI bus %d, slot %d\n", dev->minor, me_boards[i].name, pci_device->bus->number, PCI_SLOT(pci_device->devfn)); + return pci_device; +} + +static int me_attach(struct comedi_device *dev, struct comedi_devconfig *it) +{ + struct pci_dev *pci_device; + struct comedi_subdevice *subdevice; + struct me_board *board; + resource_size_t plx_regbase_tmp; + unsigned long plx_regbase_size_tmp; + resource_size_t me_regbase_tmp; + unsigned long me_regbase_size_tmp; + resource_size_t swap_regbase_tmp; + unsigned long swap_regbase_size_tmp; + resource_size_t regbase_tmp; + int result, error; + + /* Allocate private memory */ + if (alloc_private(dev, sizeof(struct me_private_data)) < 0) + return -ENOMEM; + + pci_device = me_find_pci_dev(dev, it); + if (!pci_device) + return -EIO; + dev_private->pci_device = pci_device; + board = (struct me_board *)dev->board_ptr; /* Enable PCI device and request PCI regions */ if (comedi_pci_enable(pci_device, ME_DRIVER_NAME) < 0) { -- 1.7.11