if (pci_enable_device(dev))
                        return -EIO;
 
-               RamIO = ioremap(dev->resource[0].start, LEN_RAM_IO);
+               RamIO = ioremap(pci_resource_start(dev, 0), LEN_RAM_IO);
 
                if (!RamIO) {
                        printk(KERN_INFO "ac.o: Failed to ioremap PCI memory "
                                "space at 0x%llx\n",
-                               (unsigned long long)dev->resource[0].start);
+                               (unsigned long long)pci_resource_start(dev, 0));
                        pci_disable_device(dev);
                        return -EIO;
                }
 
                printk(KERN_INFO "Applicom %s found at mem 0x%llx, irq %d\n",
                       applicom_pci_devnames[dev->device-1],
-                          (unsigned long long)dev->resource[0].start,
+                          (unsigned long long)pci_resource_start(dev, 0),
                       dev->irq);
 
-               boardno = ac_register_board(dev->resource[0].start, RamIO,0);
+               boardno = ac_register_board(pci_resource_start(dev, 0),
+                               RamIO, 0);
                if (!boardno) {
                        printk(KERN_INFO "ac.o: PCI Applicom device doesn't have correct signature.\n");
                        iounmap(RamIO);