1/*
 2 * System bus type for containers.
 3 *
 4 * Copyright (C) 2013, Intel Corporation
 5 * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 6 *
 7 * This program is free software; you can redistribute it and/or modify
 8 * it under the terms of the GNU General Public License version 2 as
 9 * published by the Free Software Foundation.
10 */
11
12#include <linux/container.h>
13
14#include "base.h"
15
16#define CONTAINER_BUS_NAME	"container"
17
18static int trivial_online(struct device *dev)
19{
20	return 0;
21}
22
23static int container_offline(struct device *dev)
24{
25	struct container_dev *cdev = to_container_dev(dev);
26
27	return cdev->offline ? cdev->offline(cdev) : 0;
28}
29
30struct bus_type container_subsys = {
31	.name = CONTAINER_BUS_NAME,
32	.dev_name = CONTAINER_BUS_NAME,
33	.online = trivial_online,
34	.offline = container_offline,
35};
36
37void __init container_dev_init(void)
38{
39	int ret;
40
41	ret = subsys_system_register(&container_subsys, NULL);
42	if (ret)
43		pr_err("%s() failed: %d\n", __func__, ret);
44}