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-rw-r--r--kernel/drivers/base/container.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/drivers/base/container.c b/kernel/drivers/base/container.c
new file mode 100644
index 000000000..ecbfbe2e9
--- /dev/null
+++ b/kernel/drivers/base/container.c
@@ -0,0 +1,44 @@
+/*
+ * 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);
+}