iio:configfs: Introduce iio/configfs.h to provide a location for the configfs_subsystem
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>
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@ -15,6 +15,7 @@
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#include <linux/slab.h>
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#include <linux/iio/iio.h>
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#include <linux/iio/configfs.h>
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static struct config_item_type iio_root_group_type = {
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.ct_owner = THIS_MODULE,
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@ -15,6 +15,7 @@
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#include <linux/slab.h>
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#include <linux/iio/sw_trigger.h>
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#include <linux/iio/configfs.h>
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#include <linux/configfs.h>
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static struct config_group *iio_triggers_group;
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@ -0,0 +1,15 @@
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/*
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* Industrial I/O configfs support
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*
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* Copyright (c) 2015 Intel Corporation
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*/
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#ifndef __IIO_CONFIGFS
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#define __IIO_CONFIGFS
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extern struct configfs_subsystem iio_configfs_subsys;
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#endif /* __IIO_CONFIGFS */
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@ -20,7 +20,6 @@
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module_driver(__iio_sw_trigger_type, iio_register_sw_trigger_type, \
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iio_unregister_sw_trigger_type)
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extern struct configfs_subsystem iio_configfs_subsys;
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struct iio_sw_trigger_ops;
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struct iio_sw_trigger_type {
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