1 files changed, 0 insertions, 184 deletions
diff --git a/drivers/staging/iio/trigger.h b/drivers/staging/iio/trigger.h
deleted file mode 100644
index f329fe10fa2..00000000000
--- a/drivers/staging/iio/trigger.h
+++ /dev/null
@@ -1,184 +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.
- */
-#include <linux/irq.h>
-
-#ifndef _IIO_TRIGGER_H_
-#define _IIO_TRIGGER_H_
-
-struct iio_subirq {
-	bool enabled;
-};
-
-/**
- * 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
- * @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)
- * @subirq_chip:	[INTERN] associate 'virtual' irq chip.
- * @subirq_base:	[INTERN] base number for irqs provided by trigger.
- * @subirqs:		[INTERN] information about the 'child' irqs.
- * @pool:		[INTERN] bitmap of irqs currently in use.
- * @pool_lock:		[INTERN] protection of the irq pool.
- **/
-struct iio_trigger {
-	int				id;
-	const char			*name;
-	struct device			dev;
-
-	void				*private_data;
-	struct list_head		list;
-	struct list_head		alloc_list;
-	struct module			*owner;
-	int use_count;
-
-	int (*set_trigger_state)(struct iio_trigger *trig, bool state);
-	int (*try_reenable)(struct iio_trigger *trig);
-
-	struct irq_chip			subirq_chip;
-	int				subirq_base;
-
-	struct iio_subirq subirqs[CONFIG_IIO_CONSUMERS_PER_TRIGGER];
-	unsigned long pool[BITS_TO_LONGS(CONFIG_IIO_CONSUMERS_PER_TRIGGER)];
-	struct mutex			pool_lock;
-};
-
-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_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_poll_chained(struct iio_trigger *trig, s64 time);
-void iio_trigger_notify_done(struct iio_trigger *trig);
-
-irqreturn_t iio_trigger_generic_data_rdy_poll(int irq, void *private);
-
-static inline int iio_trigger_get_irq(struct iio_trigger *trig)
-{
-	int ret;
-	mutex_lock(&trig->pool_lock);
-	ret = bitmap_find_free_region(trig->pool,
-				      CONFIG_IIO_CONSUMERS_PER_TRIGGER,
-				      ilog2(1));
-	mutex_unlock(&trig->pool_lock);
-	if (ret >= 0)
-		ret += trig->subirq_base;
-
-	return ret;
-};
-
-static inline void iio_trigger_put_irq(struct iio_trigger *trig, int irq)
-{
-	mutex_lock(&trig->pool_lock);
-	clear_bit(irq - trig->subirq_base, trig->pool);
-	mutex_unlock(&trig->pool_lock);
-};
-
-/**
- * struct iio_poll_func - poll function pair
- *
- * @private_data:		data specific to device (passed into poll func)
- * @h:				the function that is actually run on trigger
- * @thread:			threaded interrupt part
- * @type:			the type of interrupt (basically if oneshot)
- * @name:			name used to identify the trigger consumer.
- * @irq:			the corresponding irq as allocated from the
- *				trigger pool
- * @timestamp:			some devices need a timestamp grabbed as soon
- *				as possible after the trigger - hence handler
- *				passes it via here.
- **/
-struct iio_poll_func {
-	void				*private_data;
-	irqreturn_t (*h)(int irq, void *p);
-	irqreturn_t (*thread)(int irq, void *p);
-	int type;
-	char *name;
-	int irq;
-	s64 timestamp;
-};
-
-struct iio_poll_func
-*iio_alloc_pollfunc(irqreturn_t (*h)(int irq, void *p),
-		    irqreturn_t (*thread)(int irq, void *p),
-		    int type,
-		    void *private,
-		    const char *fmt,
-		    ...);
-void iio_dealloc_pollfunc(struct iio_poll_func *pf);
-irqreturn_t iio_pollfunc_store_time(int irq, void *p);
-
-/*
- * 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(const char *fmt, ...)
-	__attribute__((format(printf, 1, 2)));
-void iio_free_trigger(struct iio_trigger *trig);
-
-#endif /* _IIO_TRIGGER_H_ */