mtip32xx.c

	/* Move the device to active State */
	pci_set_power_state(pdev, PCI_D0);

	/* Restore PCI configuration space */
	pci_restore_state(pdev);

	/* Enable the PCI device*/
	rv = pcim_enable_device(pdev);
	if (rv < 0) {
		dev_err(&pdev->dev,
			"Failed to enable card during resume\n");
		goto err;
	}
	pci_set_master(pdev);

	/*
	 * Calls hbaReset, initPort, & startPort function
	 * then enables interrupts
	 */
	rv = mtip_block_resume(dd);
	if (rv < 0)
		dev_err(&pdev->dev, "Unable to resume\n");

err:
	clear_bit(MTIP_DDF_RESUME_BIT, &dd->dd_flag);

	return rv;
}

/*
 * Shutdown routine
 *
 * return value
 *      None
 */
static void mtip_pci_shutdown(struct pci_dev *pdev)
{
	struct driver_data *dd = pci_get_drvdata(pdev);
	if (dd)
		mtip_block_shutdown(dd);
}

/* Table of device ids supported by this driver. */
static DEFINE_PCI_DEVICE_TABLE(mtip_pci_tbl) = {
	{  PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320_DEVICE_ID) },
	{ 0 }
};

/* Structure that describes the PCI driver functions. */
static struct pci_driver mtip_pci_driver = {
	.name			= MTIP_DRV_NAME,
	.id_table		= mtip_pci_tbl,
	.probe			= mtip_pci_probe,
	.remove			= mtip_pci_remove,
	.suspend		= mtip_pci_suspend,
	.resume			= mtip_pci_resume,
	.shutdown		= mtip_pci_shutdown,
};

MODULE_DEVICE_TABLE(pci, mtip_pci_tbl);

/*
 * Module initialization function.
 *
 * Called once when the module is loaded. This function allocates a major
 * block device number to the Cyclone devices and registers the PCI layer
 * of the driver.
 *
 * Return value
 *      0 on success else error code.
 */
static int __init mtip_init(void)
{
	int error;

	printk(KERN_INFO MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");

	/* 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);