staging: comedi: adv_pci1710: move comedi_pci_enable() into the attach
authorH Hartley Sweeten <hartleys@visionengravers.com>
Thu, 19 Jul 2012 01:32:01 +0000 (18:32 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 19 Jul 2012 23:19:42 +0000 (16:19 -0700)
Use pci_is_enabled() in the "find pci device" function to determine if
the found pci device is not in use and move the comedi_pci_enable() call
into the attach.

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>
drivers/staging/comedi/drivers/adv_pci1710.c

index 5eecf6bc31e3edbdc9fac42d93b99f2b04ed201b..33dd1db1d96b874d9e12274ad6722a27244858d4 100644 (file)
@@ -1350,6 +1350,8 @@ static struct pci_dev *pci1710_find_pci_dev(struct comedi_device *dev,
                }
                if (pcidev->vendor != PCI_VENDOR_ID_ADVANTECH)
                        continue;
+               if (pci_is_enabled(pcidev))
+                       continue;
 
                if (strcmp(this_board->name, DRV_NAME) == 0) {
                        for (i = 0; i < ARRAY_SIZE(boardtypes); ++i) {
@@ -1364,15 +1366,6 @@ static struct pci_dev *pci1710_find_pci_dev(struct comedi_device *dev,
                        if (pcidev->device != boardtypes[board_index].device_id)
                                continue;
                }
-
-               /*
-                * Look for device that isn't in use.
-                * Enable PCI device and request regions.
-                */
-               if (comedi_pci_enable(pcidev, DRV_NAME)) {
-                       continue;
-               }
-               /*  fixup board_ptr in case we were using the dummy entry with the driver name */
                dev->board_ptr = &boardtypes[board_index];
                return pcidev;
        }
@@ -1399,6 +1392,10 @@ static int pci1710_attach(struct comedi_device *dev,
        if (!devpriv->pcidev)
                return -EIO;
 
+       ret = comedi_pci_enable(devpriv->pcidev, DRV_NAME);
+       if (ret)
+               return ret;
+
        dev->iobase = pci_resource_start(devpriv->pcidev, 2);
        irq = devpriv->pcidev->irq;