https://github.com/torvalds/linux
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Tip revision: af8c34ce6ae32addda3788d54a7e340cad22516b authored by Linus Torvalds on 05 June 2016, 21:31:26 UTC
Linux 4.7-rc2
Tip revision: af8c34c
container.c
/*
 * System bus type for containers.
 *
 * Copyright (C) 2013, Intel Corporation
 * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/container.h>

#include "base.h"

#define CONTAINER_BUS_NAME	"container"

static int trivial_online(struct device *dev)
{
	return 0;
}

static int container_offline(struct device *dev)
{
	struct container_dev *cdev = to_container_dev(dev);

	return cdev->offline ? cdev->offline(cdev) : 0;
}

struct bus_type container_subsys = {
	.name = CONTAINER_BUS_NAME,
	.dev_name = CONTAINER_BUS_NAME,
	.online = trivial_online,
	.offline = container_offline,
};

void __init container_dev_init(void)
{
	int ret;

	ret = subsys_system_register(&container_subsys, NULL);
	if (ret)
		pr_err("%s() failed: %d\n", __func__, ret);
}
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