greybus: first framework for the es1 ap controller

};

MODULE_DEVICE_TABLE(usb, id_table);

/*

 * Hack, we "know" we will only have one of these at any one time, so only

 * create one static structure pointer.

 */

struct es1_ap_dev {

	struct usb_interface *usb_intf;

} *es1_ap_dev;

static int ap_probe(struct usb_interface *interface,

		    const struct usb_device_id *id)

{

	if (es1_ap_dev) {

		dev_err(&interface->dev, "Already have a es1_ap_dev???\n");

		return -ENODEV;

	}

	es1_ap_dev = kzalloc(sizeof(*es1_ap_dev), GFP_KERNEL);

	if (!es1_ap_dev)

		return -ENOMEM;

	es1_ap_dev->usb_intf = interface;

	usb_set_intfdata(interface, es1_ap_dev);

	return 0;

}

static void ap_disconnect(struct usb_interface *interface)

{

	es1_ap_dev = usb_get_intfdata(interface);

	/* Tear down everything! */

	kfree(es1_ap_dev);

	es1_ap_dev = NULL;

}