31 struct dmaengine_buffer {  struct
41 static struct dmaengine_buffer *iio_buffer_to_dmaengine_buffer(  in iio_buffer_to_dmaengine_buffer()  argument
44 	return container_of(buffer, struct dmaengine_buffer, queue.buffer);  in iio_buffer_to_dmaengine_buffer()
61 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_submit_block()  local
66 	block->bytes_used = min(block->size, dmaengine_buffer->max_size);  in iio_dmaengine_buffer_submit_block()
68 			dmaengine_buffer->align);  in iio_dmaengine_buffer_submit_block()
70 	desc = dmaengine_prep_slave_single(dmaengine_buffer->chan,  in iio_dmaengine_buffer_submit_block()
83 	spin_lock_irq(&dmaengine_buffer->queue.list_lock);  in iio_dmaengine_buffer_submit_block()
84 	list_add_tail(&block->head, &dmaengine_buffer->active);  in iio_dmaengine_buffer_submit_block()
85 	spin_unlock_irq(&dmaengine_buffer->queue.list_lock);  in iio_dmaengine_buffer_submit_block()
87 	dma_async_issue_pending(dmaengine_buffer->chan);  in iio_dmaengine_buffer_submit_block()
94 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_abort()  local
97 	dmaengine_terminate_sync(dmaengine_buffer->chan);  in iio_dmaengine_buffer_abort()
98 	iio_dma_buffer_block_list_abort(queue, &dmaengine_buffer->active);  in iio_dmaengine_buffer_abort()
103 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_release()  local
106 	iio_dma_buffer_release(&dmaengine_buffer->queue);  in iio_dmaengine_buffer_release()
107 	kfree(dmaengine_buffer);  in iio_dmaengine_buffer_release()
144 	struct dmaengine_buffer *dmaengine_buffer;  in iio_dmaengine_buffer_alloc()  local
150 	dmaengine_buffer = kzalloc(sizeof(*dmaengine_buffer), GFP_KERNEL);  in iio_dmaengine_buffer_alloc()
151 	if (!dmaengine_buffer)  in iio_dmaengine_buffer_alloc()
175 	INIT_LIST_HEAD(&dmaengine_buffer->active);  in iio_dmaengine_buffer_alloc()
176 	dmaengine_buffer->chan = chan;  in iio_dmaengine_buffer_alloc()
177 	dmaengine_buffer->align = width;  in iio_dmaengine_buffer_alloc()
178 	dmaengine_buffer->max_size = dma_get_max_seg_size(chan->device->dev);  in iio_dmaengine_buffer_alloc()
180 	iio_dma_buffer_init(&dmaengine_buffer->queue, chan->device->dev,  in iio_dmaengine_buffer_alloc()
183 	dmaengine_buffer->queue.buffer.access = &iio_dmaengine_buffer_ops;  in iio_dmaengine_buffer_alloc()
185 	return &dmaengine_buffer->queue.buffer;  in iio_dmaengine_buffer_alloc()
188 	kfree(dmaengine_buffer);  in iio_dmaengine_buffer_alloc()
201 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_free()  local
204 	iio_dma_buffer_exit(&dmaengine_buffer->queue);  in iio_dmaengine_buffer_free()
205 	dma_release_channel(dmaengine_buffer->chan);  in iio_dmaengine_buffer_free()