#define VENDOR_ID	0x0fc5       //  請依照實際硬體的韌體 Vendor ID 作修改，不然會有問題
#define PRODUCT_ID	0x1223       //  請依照實際硬體的韌體 Products ID 作修改，不然會有問題

/* table of devices that work with this driver */
static struct usb_device_id id_table [] = {
	{ USB_DEVICE(VENDOR_ID, PRODUCT_ID) },
	{ },
};
MODULE_DEVICE_TABLE (usb, id_table);    // 重要不要忘記 作 MODULE_DEVICE_TABLE

static struct usb_driver skel_driver = {
        .name        = "skeleton",
        .probe       = skel_probe,
        .disconnect  = skel_disconnect,
        .fops        = &skel_fops,
        .minor       = USB_SKEL_MINOR_BASE,
        .id_table    = skel_table,
};
static int __init usb_skel_init(void)
{
        int result;

        /* register this driver with the USB subsystem */
        result = usb_register(&skel_driver);
        if (result < 0) {
                err("usb_register failed for the "__FILE__ "driver."
                    "Error number %d", result);
                return -1;
        }

        return 0;
}
module_init(usb_skel_init);

reference: here