usb_make_dev
f_sc->dev = usb_make_dev(udev, devname, -1,
udev->ctrl_dev = usb_make_dev(udev, NULL, 0, 0,
pd = usb_make_dev(udev, NULL, ep, 0,
struct usb_fs_privdata *usb_make_dev(struct usb_device *, const char *,