forked from mirrors/linux
dedb868994
Now that the driver core can properly handle constant struct bus_type, move the container_subsys variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: "Rafael J. Wysocki" <rafael@kernel.org> Link: https://lore.kernel.org/r/2023121919-chatter-grumbling-9ef3@gregkh Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
27 lines
616 B
C
27 lines
616 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Definitions for container bus type.
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*
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* Copyright (C) 2013, Intel Corporation
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* Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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*/
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#ifndef _LINUX_CONTAINER_H
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#define _LINUX_CONTAINER_H
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#include <linux/device.h>
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/* drivers/base/power/container.c */
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extern const struct bus_type container_subsys;
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struct container_dev {
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struct device dev;
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int (*offline)(struct container_dev *cdev);
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};
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static inline struct container_dev *to_container_dev(struct device *dev)
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{
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return container_of(dev, struct container_dev, dev);
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}
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#endif /* _LINUX_CONTAINER_H */
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