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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/iio/industrialio-configfs.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/iio/industrialio-configfs.c')
-rw-r--r-- | drivers/iio/industrialio-configfs.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/iio/industrialio-configfs.c b/drivers/iio/industrialio-configfs.c new file mode 100644 index 000000000..5a0aae119 --- /dev/null +++ b/drivers/iio/industrialio-configfs.c @@ -0,0 +1,51 @@ +/* + * 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"); |