dp: remove unused code from dp_queue

Dp queues are no longer kept as a list of objects,
remove unused list maintenance code and data

Signed-off-by: Marcin Szkudlinski <marcin.szkudlinski@intel.com>

Author: marcinszkudlinski

src/audio/dp_queue.c

@@ -270,8 +270,6 @@ struct dp_queue *dp_queue_create(size_t min_available, size_t min_free_space, ui
 	sink_init(dp_queue_get_sink(dp_queue), &dp_queue_sink_ops,
 		  dp_queue->audio_stream_params);
 
-	list_init(&dp_queue->list);
-
 	/* set obs/ibs in sink/source interfaces */
 	sink_set_min_free_space(&dp_queue->_sink_api, min_free_space);
 	source_set_min_available(&dp_queue->_source_api, min_available);

src/include/sof/audio/dp_queue.h

@@ -107,9 +107,6 @@ struct sof_audio_stream_params;
 struct dp_queue {
 	CORE_CHECK_STRUCT_FIELD;
 
-	/* public */
-	struct list_item list;	/**< fields for connection queues in a list */
-
 	/* public: read only */
 
 	/* note!
@@ -162,7 +159,6 @@ void dp_queue_free(struct dp_queue *dp_queue)
 	if (!dp_queue)
 		return;
 	CORE_CHECK_STRUCT(dp_queue);
-	list_item_del(&dp_queue->list);
 	rfree((__sparse_force void *)dp_queue->_data_buffer);
 	rfree(dp_queue);
 }
@@ -199,28 +195,4 @@ bool dp_queue_is_shared(struct dp_queue *dp_queue)
 	return !!(dp_queue->_flags & DP_QUEUE_MODE_SHARED);
 }
 
-/**
- * @brief append a dp_queue to the list
- */
-static inline void dp_queue_append_to_list(struct dp_queue *item, struct list_item *list)
-{
-	list_item_append(&item->list, list);
-}
-
-/**
- * @brief return a pointer to the first dp_queue on the list
- */
-static inline struct dp_queue *dp_queue_get_first_item(struct list_item *list)
-{
-	return list_first_item(list, struct dp_queue, list);
-}
-
-/**
- * @brief return a pointer to the next dp_queue on the list
- */
-static inline struct dp_queue *dp_queue_get_next_item(struct dp_queue *item)
-{
-	return list_next_item(item, list);
-}
-
 #endif /* __SOF_DP_QUEUE_H__ */