staging: comedi: amplc_pci230: cleanup "find pci device" code
authorH Hartley Sweeten <hartleys@visionengravers.com>
Thu, 19 Jul 2012 01:41:47 +0000 (18:41 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 19 Jul 2012 23:32:53 +0000 (16:32 -0700)
For aesthetic reasons, rename the function and pass the
comedi_devconfig struct instead of pre-parsing out the bus/slot
information.

Consolidate the dev_err messages when a pci device is not found.

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/amplc_pci230.c

index 3d7f2cda980a207108252fa8f8dbb9e7a64988af..0b09934d967f0919fa6bb958f595dda7e677a4df 100644 (file)
@@ -2683,11 +2683,13 @@ static const struct pci230_board *pci230_find_pci_board(struct pci_dev *pci_dev)
 }
 
 /* Look for PCI device matching requested board name, bus and slot. */
-static struct pci_dev *pci230_find_pci(struct comedi_device *dev,
-                                      int bus, int slot)
+static struct pci_dev *pci230_find_pci_dev(struct comedi_device *dev,
+                                          struct comedi_devconfig *it)
 {
        const struct pci230_board *thisboard = comedi_board(dev);
        struct pci_dev *pci_dev = NULL;
+       int bus = it->options[0];
+       int slot = it->options[1];
 
        for_each_pci_dev(pci_dev) {
                /* Check vendor ID (same for all supported PCI boards). */
@@ -2707,23 +2709,16 @@ static struct pci_dev *pci230_find_pci(struct comedi_device *dev,
                                continue;
                        /* Replace wildcard board_ptr. */
                        dev->board_ptr = foundboard;
-                       thisboard = comedi_board(dev);
                } else {
                        /* Need to match a specific board. */
                        if (!pci230_match_pci_board(thisboard, pci_dev))
                                continue;
                }
-               /* Found a matching PCI device. */
                return pci_dev;
        }
-       /* No matching PCI device found. */
-       if (bus || slot)
-               dev_err(dev->class_dev,
-                       "error! no %s found at pci %02x:%02x\n",
-                       thisboard->name, bus, slot);
-       else
-               dev_err(dev->class_dev,
-                       "error! no %s found\n", thisboard->name);
+       dev_err(dev->class_dev,
+               "No supported board found! (req. bus %d, slot %d)\n",
+               bus, slot);
        return NULL;
 }
 
@@ -2909,8 +2904,7 @@ static int pci230_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        rc = pci230_alloc_private(dev); /* sets dev->private */
        if (rc)
                return rc;
-       /* Find card. */
-       pci_dev = pci230_find_pci(dev, it->options[0], it->options[1]);
+       pci_dev = pci230_find_pci_dev(dev, it);
        if (!pci_dev)
                return -EIO;
        return pci230_attach_common(dev, pci_dev);