1 files changed, 0 insertions, 164 deletions
diff --git a/drivers/staging/iio/trigger.h b/drivers/staging/iio/trigger.h
deleted file mode 100644
index 469beba3e71..00000000000
--- a/drivers/staging/iio/trigger.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/* The industrial I/O core, trigger handling functions
- *
- * Copyright (c) 2008 Jonathan Cameron
- *
- * 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_TRIGGER_H_
-#define _IIO_TRIGGER_H_
-
-/**
- * struct iio_trigger - industrial I/O trigger device
- *
- * @id:			[INTERN] unique id number
- * @name:		[DRIVER] unique name
- * @dev:		[DRIVER] associated device (if relevant)
- * @private_data:	[DRIVER] device specific data
- * @list:		[INTERN] used in maintenance of global trigger list
- * @alloc_list:		[DRIVER] used for driver specific trigger list
- * @pollfunc_list_lock:	[INTERN] protection of the polling function list
- * @pollfunc_list:	[INTERN] list of functions to run on trigger.
- * @control_attrs:	[DRIVER] sysfs attributes relevant to trigger type
- * @owner:		[DRIVER] used to monitor usage count of the trigger.
- * @use_count:		use count for the trigger
- * @set_trigger_state:	[DRIVER] switch on/off the trigger on demand
- * @try_reenable:	function to reenable the trigger when the
- *			use count is zero (may be NULL)
- **/
-struct iio_trigger {
-	int				id;
-	const char			*name;
-	struct device			dev;
-
-	void				*private_data;
-	struct list_head		list;
-	struct list_head		alloc_list;
-	spinlock_t			pollfunc_list_lock;
-	struct list_head		pollfunc_list;
-	const struct attribute_group	*control_attrs;
-	struct module			*owner;
-	int use_count;
-
-	int (*set_trigger_state)(struct iio_trigger *trig, bool state);
-	int (*try_reenable)(struct iio_trigger *trig);
-};
-
-static inline struct iio_trigger *to_iio_trigger(struct device *d)
-{
-	return container_of(d, struct iio_trigger, dev);
-};
-
-static inline void iio_put_trigger(struct iio_trigger *trig)
-{
-	put_device(&trig->dev);
-	module_put(trig->owner);
-};
-
-static inline void iio_get_trigger(struct iio_trigger *trig)
-{
-	__module_get(trig->owner);
-	get_device(&trig->dev);
-};
-
-/**
- * iio_trigger_read_name() - sysfs access function to get the trigger name
- * @dev: the system device
- * @attr: device attributes for the device
- * @buf: output buffer to store the trigger name
- **/
-ssize_t iio_trigger_read_name(struct device *dev,
-			      struct device_attribute *attr,
-			      char *buf);
-
-#define IIO_TRIGGER_NAME_ATTR DEVICE_ATTR(name, S_IRUGO,		\
-					  iio_trigger_read_name,	\
-					  NULL);
-
-/**
- * iio_trigger_find_by_name() - search global trigger list
- * @name: trigger name to search for
- * @len: trigger name string length to compare
- **/
-struct iio_trigger *iio_trigger_find_by_name(const char *name, size_t len);
-
-/**
- * iio_trigger_register() - register a trigger with the IIO core
- * @trig_info:	trigger to be registered
- **/
-int iio_trigger_register(struct iio_trigger *trig_info);
-
-/**
- * iio_trigger_unregister() - unregister a trigger from the core
- * @trig_info:	trigger to be unregistered
- **/
-void iio_trigger_unregister(struct iio_trigger *trig_info);
-
-/**
- * iio_trigger_attach_poll_func() - add a function pair to be run on trigger
- * @trig:	trigger to which the function pair are being added
- * @pf:		poll function pair
- **/
-int iio_trigger_attach_poll_func(struct iio_trigger *trig,
-				 struct iio_poll_func *pf);
-
-/**
- * iio_trigger_dettach_poll_func() -	remove function pair from those to be
- *					run on trigger
- * @trig:	trigger from which the function is being removed
- * @pf:		poll function pair
- **/
-int iio_trigger_dettach_poll_func(struct iio_trigger *trig,
-				  struct iio_poll_func *pf);
-
-/**
- * iio_trigger_poll() - called on a trigger occurring
- * @trig: trigger which occurred
- *
- * Typically called in relevant hardware interrupt handler.
- **/
-void iio_trigger_poll(struct iio_trigger *trig, s64 time);
-void iio_trigger_notify_done(struct iio_trigger *trig);
-
-/**
- * struct iio_poll_func - poll function pair
- *
- * @list:			associate this with a triggers pollfunc_list
- * @private_data:		data specific to device (passed into poll func)
- * @poll_func_immediate:	function in here is run first. They should be
- *				extremely lightweight.  Typically used for latch
- *				control on sensor supporting it.
- * @poll_func_main:		function in here is run after all immediates.
- *				Reading from sensor etc typically involves
- *				scheduling from here.
- *
- * The two stage approach used here is only important when multiple sensors are
- * being triggered by a single trigger. This really comes into its own with
- * simultaneous sampling devices where a simple latch command can be used to
- * make the device store the values on all inputs.
- **/
-struct iio_poll_func {
-	struct				list_head list;
-	void				*private_data;
-	void (*poll_func_immediate)(struct iio_dev *indio_dev);
-	void (*poll_func_main)(struct iio_dev *private_data, s64 time);
-
-};
-
-int iio_alloc_pollfunc(struct iio_dev *indio_dev,
-		       void (*immediate)(struct iio_dev *indio_dev),
-		       void (*main)(struct iio_dev *private_data, s64 time));
-
-/*
- * Two functions for common case where all that happens is a pollfunc
- * is attached and detached from a trigger
- */
-int iio_triggered_ring_postenable(struct iio_dev *indio_dev);
-int iio_triggered_ring_predisable(struct iio_dev *indio_dev);
-
-struct iio_trigger *iio_allocate_trigger(void);
-
-void iio_free_trigger(struct iio_trigger *trig);
-
-#endif /* _IIO_TRIGGER_H_ */