Source of nozomi.c - linux-imx - PHYTEC BitBucket (Stash)

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static void remove_sysfs_files(struct nozomi *dc)
{
    device_remove_file(&dc->pdev->dev, &dev_attr_card_type);
    device_remove_file(&dc->pdev->dev, &dev_attr_open_ttys);
}
​
/* Allocate memory for one device */
static int nozomi_card_init(struct pci_dev *pdev,
                      const struct pci_device_id *ent)
{
    resource_size_t start;
    int ret;
    struct nozomi *dc = NULL;
    int ndev_idx;
    int i;
​
    dev_dbg(&pdev->dev, "Init, new card found\n");
​
    for (ndev_idx = 0; ndev_idx < ARRAY_SIZE(ndevs); ndev_idx++)
        if (!ndevs[ndev_idx])
            break;
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        goto err_free;
    }
​
    ret = pci_request_regions(dc->pdev, NOZOMI_NAME);
    if (ret) {
        dev_err(&pdev->dev, "I/O address 0x%04x already in use\n",
            (int) /* nozomi_private.io_addr */ 0);
        goto err_disable_device;
    }
​
    start = pci_resource_start(dc->pdev, 0);
    if (start == 0) {
        dev_err(&pdev->dev, "No I/O address for card detected\n");
        ret = -ENODEV;
        goto err_rel_regs;
    }
​
    /* Find out what card type it is */
    nozomi_get_card_type(dc);
​
    dc->base_addr = ioremap_nocache(start, dc->card_type);
    dc->base_addr = pci_iomap(dc->pdev, 0, dc->card_type);
    if (!dc->base_addr) {
        dev_err(&pdev->dev, "Unable to map card MMIO\n");
        ret = -ENODEV;
        goto err_rel_regs;
    }
​
    dc->send_buf = kmalloc(SEND_BUF_MAX, GFP_KERNEL);
    if (!dc->send_buf) {
        dev_err(&pdev->dev, "Could not allocate send buffer?\n");
        ret = -ENOMEM;