usb_deregister - unregister a USB driver
void usb_deregister (struct usb_driver * driver);
driver USB operations of the driver to unregister
must be able to sleep
Unlinks the specified driver from the internal USB driver list.
If you called usb_register_dev, you still need to call usb_deregister_dev to clean up your driver’s allocated minor numbers, this * call will no longer do it for you.