> +static int __devinit r6040_init_one(struct pci_dev *pdev,
> + const struct pci_device_id *ent)
> +{
> + struct net_device *dev;
> + struct r6040_private *lp;
> + void __iomem *ioaddr;
> + int err, io_size = R6040_IO_SIZE;
> + static int card_idx = -1;
> + int bar = 0;
> + long pioaddr;
> +
> + printk(KERN_INFO "%s\n", version);
> +
> + err = pci_enable_device(pdev);
> + if (err)
> + return err;
> +
> + /* this should always be supported */
> + if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
> + printk(KERN_ERR DRV_NAME "32-bit PCI DMA addresses"
> + "not supported by the card\n");
> + return -ENODEV;
> + }
> +
> + /* IO Size check */
> + if (pci_resource_len(pdev, 0) < io_size) {
> + printk(KERN_ERR "Insufficient PCI resources, aborting\n");
> + return -EIO;
> + }
> +
> + pioaddr = pci_resource_start(pdev, 0); /* IO map base address */
> + pci_set_master(pdev);
> +
> + dev = alloc_etherdev(sizeof(struct r6040_private));
> + if (!dev) {
> + printk(KERN_ERR "Failed to allocate etherdev\n");
> + return -ENOMEM;
> + }
> + SET_NETDEV_DEV(dev, &pdev->dev);
> + lp = netdev_priv(dev);
> + lp->pdev = pdev;
> +
> + if (pci_request_regions(pdev, DRV_NAME)) {
> + printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n");
> + err = -ENODEV;
> + goto err_out_disable;
> + }
> +
> + ioaddr = pci_iomap(pdev, bar, io_size);
> + if (!ioaddr) {
> + printk(KERN_ERR "ioremap failed for device %s\n",
> + pci_name(pdev));
> + return -EIO;
> + }
> +
> + /* Init system & device */
> + dev->base_addr = (unsigned long)ioaddr;
> + lp->base = ioaddr;
> + dev->irq = pdev->irq;
> +
> + spin_lock_init(&lp->lock);
> + pci_set_drvdata(pdev, dev);
> +
> + /* Set MAC address */
> + card_idx++;
> +
> + /* Check if the MAC address is 0xFFFFFFFFFFFF or 0 */
> + if (!is_valid_ether_addr(dev->dev_addr)) {
> + u16 *adrp;
> + adrp = (u16 *) dev->dev_addr;
> + adrp[0] = ioread16(ioaddr + MID_0L);
> + adrp[1] = ioread16(ioaddr + MID_0M);
> + adrp[2] = ioread16(ioaddr + MID_0H);
> + }
The is_valid_ether_addr is superflous.
dev->dev_addr will always be zero (since it is part of just allocated
structure).
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