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989d42e8 | 1 | // SPDX-License-Identifier: GPL-2.0 |
caa73ea1 RW |
2 | /* |
3 | * System bus type for containers. | |
4 | * | |
5 | * Copyright (C) 2013, Intel Corporation | |
6 | * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> | |
caa73ea1 RW |
7 | */ |
8 | ||
9 | #include <linux/container.h> | |
10 | ||
11 | #include "base.h" | |
12 | ||
13 | #define CONTAINER_BUS_NAME "container" | |
14 | ||
15 | static int trivial_online(struct device *dev) | |
16 | { | |
17 | return 0; | |
18 | } | |
19 | ||
20 | static int container_offline(struct device *dev) | |
21 | { | |
22 | struct container_dev *cdev = to_container_dev(dev); | |
23 | ||
24 | return cdev->offline ? cdev->offline(cdev) : 0; | |
25 | } | |
26 | ||
27 | struct bus_type container_subsys = { | |
28 | .name = CONTAINER_BUS_NAME, | |
29 | .dev_name = CONTAINER_BUS_NAME, | |
30 | .online = trivial_online, | |
31 | .offline = container_offline, | |
32 | }; | |
33 | ||
34 | void __init container_dev_init(void) | |
35 | { | |
36 | int ret; | |
37 | ||
38 | ret = subsys_system_register(&container_subsys, NULL); | |
39 | if (ret) | |
40 | pr_err("%s() failed: %d\n", __func__, ret); | |
41 | } |