diff options
Diffstat (limited to 'drivers/base/container.c')
-rw-r--r-- | drivers/base/container.c | 44 |
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 | |||
18 | static int trivial_online(struct device *dev) | ||
19 | { | ||
20 | return 0; | ||
21 | } | ||
22 | |||
23 | static 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 | |||
30 | struct 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 | |||
37 | void __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 | } | ||