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-rw-r--r--drivers/base/container.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/base/container.c b/drivers/base/container.c
new file mode 100644
index 000000000000..ecbfbe2e908f
--- /dev/null
+++ b/drivers/base/container.c
@@ -0,0 +1,44 @@
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}