ring-buffer: allocate the data buffer on module heap

The ring-buffer data buffer has to be accessible to user-space DP
modules, allocate it on module heap.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

Author: lyakh

src/audio/buffers/ring_buffer.c

@@ -94,10 +94,10 @@ static void ring_buffer_free(struct sof_audio_buffer *audio_buffer)
 	if (!audio_buffer)
 		return;
 
-	struct ring_buffer *ring_buffer =
-			container_of(audio_buffer, struct ring_buffer, audio_buffer);
+	struct ring_buffer *ring_buffer = container_of(audio_buffer,
+						       struct ring_buffer, audio_buffer);
 
-	rfree((__sparse_force void *)ring_buffer->_data_buffer);
+	sof_heap_free(audio_buffer->heap, (__sparse_force void *)ring_buffer->_data_buffer);
 	sof_heap_free(audio_buffer->heap, ring_buffer);
 }
 
@@ -362,12 +362,11 @@ struct ring_buffer *ring_buffer_create(struct comp_dev *dev, size_t min_availabl
 	ring_buffer->data_buffer_size = 3 * max_ibs_obs;
 
 	/* allocate data buffer - always in cached memory alias */
-	ring_buffer->data_buffer_size =
-			ALIGN_UP(ring_buffer->data_buffer_size, PLATFORM_DCACHE_ALIGN);
-	ring_buffer->_data_buffer = (__sparse_force __sparse_cache void *)
-			rballoc_align(user_get_buffer_memory_region(dev->drv),
-				      ring_buffer->data_buffer_size,
-				      PLATFORM_DCACHE_ALIGN);
+	ring_buffer->data_buffer_size = ALIGN_UP(ring_buffer->data_buffer_size,
+						 PLATFORM_DCACHE_ALIGN);
+	ring_buffer->_data_buffer = (__sparse_force __sparse_cache void *)sof_heap_alloc(heap,
+					user_get_buffer_memory_region(dev->drv),
+					ring_buffer->data_buffer_size, PLATFORM_DCACHE_ALIGN);
 	if (!ring_buffer->_data_buffer)
 		goto err;