mtip32xx.c

	/* Allocate a major block device number to use with this driver. */
	error = register_blkdev(0, MTIP_DRV_NAME);
	if (error <= 0) {
		printk(KERN_ERR "Unable to register block device (%d)\n",
		error);
		return -EBUSY;
	}
	mtip_major = error;

	/* Register our PCI operations. */
	error = pci_register_driver(&mtip_pci_driver);
	if (error)
		unregister_blkdev(mtip_major, MTIP_DRV_NAME);

	return error;
}

/*
 * Module de-initialization function.
 *
 * Called once when the module is unloaded. This function deallocates
 * the major block device number allocated by mtip_init() and
 * unregisters the PCI layer of the driver.
 *
 * Return value
 *      none
 */
static void __exit mtip_exit(void)
{
	/* Release the allocated major block device number. */
	unregister_blkdev(mtip_major, MTIP_DRV_NAME);

	/* Unregister the PCI driver. */
	pci_unregister_driver(&mtip_pci_driver);
}

MODULE_AUTHOR("Micron Technology, Inc");
MODULE_DESCRIPTION("Micron RealSSD PCIe Block Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(MTIP_DRV_VERSION);

module_init(mtip_init);
module_exit(mtip_exit);