1 | // SPDX-License-Identifier: GPL-2.0 |
---|---|
2 | /* |
3 | * System bus type for containers. |
4 | * |
5 | * Copyright (C) 2013, Intel Corporation |
6 | * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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(subsys: &container_subsys, NULL); |
39 | if (ret) |
40 | pr_err("%s() failed: %d\n", __func__, ret); |
41 | } |
42 |