kernel-ark/drivers/iio/industrialio-configfs.c
Bhumika Goyal 612a462acb iio: make function argument and some structures const
Make the argument of the functions iio_sw{d/t}_group_init_type_name const
as they are only passed to the function config_group_init_type_name having
the argument as const.

Make the config_item_type structures const as they are either passed to
the functions having the argument as const or they are
stored in the const "ci_type" field of a config_item structure.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-10-19 16:15:24 +02:00

52 lines
1.2 KiB
C

/*
* Industrial I/O configfs bits
*
* Copyright (c) 2015 Intel Corporation
*
* 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/configfs.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kmod.h>
#include <linux/slab.h>
#include <linux/iio/iio.h>
#include <linux/iio/configfs.h>
static const struct config_item_type iio_root_group_type = {
.ct_owner = THIS_MODULE,
};
struct configfs_subsystem iio_configfs_subsys = {
.su_group = {
.cg_item = {
.ci_namebuf = "iio",
.ci_type = &iio_root_group_type,
},
},
.su_mutex = __MUTEX_INITIALIZER(iio_configfs_subsys.su_mutex),
};
EXPORT_SYMBOL(iio_configfs_subsys);
static int __init iio_configfs_init(void)
{
config_group_init(&iio_configfs_subsys.su_group);
return configfs_register_subsystem(&iio_configfs_subsys);
}
module_init(iio_configfs_init);
static void __exit iio_configfs_exit(void)
{
configfs_unregister_subsystem(&iio_configfs_subsys);
}
module_exit(iio_configfs_exit);
MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>");
MODULE_DESCRIPTION("Industrial I/O configfs support");
MODULE_LICENSE("GPL v2");