- base = pci_resource_start(dev, 0) + IOC4_CMD_OFFSET;
- ctl = pci_resource_start(dev, 0) + IOC4_CTRL_OFFSET;
- irqport = pci_resource_start(dev, 0) + IOC4_INTR_OFFSET;
+ bar0 = pci_resource_start(dev, 0);
+ virt_base = ioremap(bar0, pci_resource_len(dev, 0));
+ if (virt_base == NULL) {
+ printk(KERN_ERR "%s: Unable to remap BAR 0 address: 0x%lx\n",
+ d->name, bar0);
+ return -ENOMEM;
+ }
+ cmd_base = (unsigned long) virt_base + IOC4_CMD_OFFSET;
+ ctl = (unsigned long) virt_base + IOC4_CTRL_OFFSET;
+ irqport = (unsigned long) virt_base + IOC4_INTR_OFFSET;