1 files changed, 0 insertions, 115 deletions
diff --git a/drivers/staging/iio/chrdev.h b/drivers/staging/iio/chrdev.h
deleted file mode 100644
index 98d1a2c12df..00000000000
--- a/drivers/staging/iio/chrdev.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/* The industrial I/O core - character device related
- *
- * 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_CHRDEV_H_
-#define _IIO_CHRDEV_H_
-struct iio_dev;
-
-/**
- * struct iio_handler - Structure used to specify file operations
- *			for a particular chrdev
- * @chrdev:	character device structure
- * @id:		the location in the handler table - used for deallocation.
- * @flags:	file operations related flags including busy flag.
- * @private:	handler specific data used by the fileops registered with
- *		the chrdev.
- */
-struct iio_handler {
-	struct cdev	chrdev;
-	int		id;
-	unsigned long	flags;
-	void		*private;
-};
-
-#define iio_cdev_to_handler(cd)				\
-	container_of(cd, struct iio_handler, chrdev)
-
-/**
- * struct iio_event_data - The actual event being pushed to userspace
- * @id:		event identifier
- * @timestamp:	best estimate of time of event occurance (often from
- *		the interrupt handler)
- */
-struct iio_event_data {
-	int	id;
-	s64	timestamp;
-};
-
-/**
- * struct iio_detected_event_list - list element for events that have occured
- * @list:		linked list header
- * @ev:			the event itself
- * @shared_pointer:	used when the event is shared - i.e. can be escallated
- *			on demand (eg ring buffer 50%->100% full)
- */
-struct iio_detected_event_list {
-	struct list_head		list;
-	struct iio_event_data		ev;
-	struct iio_shared_ev_pointer	*shared_pointer;
-};
-/**
- * struct iio_shared_ev_pointer - allows shared events to identify if currently
- *				in the detected event list
- * @ev_p:	pointer to detected event list element (null if not in list)
- * @lock:	protect this element to prevent simultaneous edit and remove
- */
-struct iio_shared_ev_pointer {
-	struct iio_detected_event_list	*ev_p;
-	spinlock_t			lock;
-};
-
-/**
- * struct iio_event_interface - chrdev interface for an event line
- * @dev:		device assocated with event interface
- * @handler:		fileoperations and related control for the chrdev
- * @wait:		wait queue to allow blocking reads of events
- * @event_list_lock:	mutex to protect the list of detected events
- * @det_events:		list of detected events
- * @max_events:		maximum number of events before new ones are dropped
- * @current_events:	number of events in detected list
- * @owner:		ensure the driver module owns the file, not iio
- * @private:		driver specific data
- * @_name:		used internally to store the sysfs name for minor id
- *			attribute
- * @_attrname:		the event interface's attribute name
- */
-struct iio_event_interface {
-	struct device				dev;
-	struct iio_handler			handler;
-	wait_queue_head_t			wait;
-	struct mutex				event_list_lock;
-	struct iio_detected_event_list		det_events;
-	int					max_events;
-	int					current_events;
-	struct module				*owner;
-	void					*private;
-	char					_name[35];
-	char					_attrname[20];
-};
-
-/**
- * struct iio_event_handler_list - element in list of handlers for events
- * @list:		list header
- * @refcount:		as the handler may be shared between multiple device
- *			side events, reference counting ensures clean removal
- * @exist_lock:		prevents race conditions related to refcount useage.
- * @handler:		event handler function - called on event if this
- *			event_handler is enabled.
- *
- * Each device has one list of these per interrupt line.
- **/
-struct iio_event_handler_list {
-	struct list_head	list;
-	int			refcount;
-	struct mutex		exist_lock;
-	int (*handler)(struct iio_dev *dev_info, int index, s64 timestamp,
-		       int no_test);
-};
-
-#endif