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iio:configfs: Introduce iio/configfs.h to provide a location for the configfs_subsystem

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This exported element needs to be accesible to all drivers using configfs
within IIO.  Previously it was in the sw_trig.h file which only convered one
such usecase.  This also fixes a sparse warning as it is now in a header
that makes sense to include from industrialio-configfs.c

Signed-off-by: Jonathan Cameron < jic23@kernel.org>
This commit is contained in:
Jonathan Cameron 2015-12-05 16:23:26 +00:00
parent 93e87d73cc
commit 8d6c16dd72
4 changed files with 17 additions and 1 deletions
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1
drivers/iio/industrialio-configfs.c
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@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <linux/iio/iio.h>
#include <linux/iio/configfs.h>
static struct config_item_type iio_root_group_type = {
.ct_owner = THIS_MODULE,

1
drivers/iio/industrialio-sw-trigger.c
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@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <linux/iio/sw_trigger.h>
#include <linux/iio/configfs.h>
#include <linux/configfs.h>
static struct config_group *iio_triggers_group;

15
include/linux/iio/configfs.h Normal file
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@ -0,0 +1,15 @@
/*
* Industrial I/O configfs support
*
* 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.
*/
#ifndef __IIO_CONFIGFS
#define __IIO_CONFIGFS
extern struct configfs_subsystem iio_configfs_subsys;
#endif /* __IIO_CONFIGFS */

1
include/linux/iio/sw_trigger.h
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@ -20,7 +20,6 @@
module_driver(__iio_sw_trigger_type, iio_register_sw_trigger_type, \
iio_unregister_sw_trigger_type)
extern struct configfs_subsystem iio_configfs_subsys;
struct iio_sw_trigger_ops;
struct iio_sw_trigger_type {