33 struct dmaengine_buffer {  struct
43 static struct dmaengine_buffer *iio_buffer_to_dmaengine_buffer(struct iio_buffer *buffer)  in iio_buffer_to_dmaengine_buffer()  argument
45 	return container_of(buffer, struct dmaengine_buffer, queue.buffer);  in iio_buffer_to_dmaengine_buffer()
62 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_submit_block()  local
74 	max_size = min(block->size, dmaengine_buffer->max_size);  in iio_dmaengine_buffer_submit_block()
75 	max_size = round_down(max_size, dmaengine_buffer->align);  in iio_dmaengine_buffer_submit_block()
102 		desc = dmaengine_prep_peripheral_dma_vec(dmaengine_buffer->chan,  in iio_dmaengine_buffer_submit_block()
107 		max_size = min(block->size, dmaengine_buffer->max_size);  in iio_dmaengine_buffer_submit_block()
108 		max_size = round_down(max_size, dmaengine_buffer->align);  in iio_dmaengine_buffer_submit_block()
116 		desc = dmaengine_prep_slave_single(dmaengine_buffer->chan,  in iio_dmaengine_buffer_submit_block()
132 	scoped_guard(spinlock_irq, &dmaengine_buffer->queue.list_lock)  in iio_dmaengine_buffer_submit_block()
133 		list_add_tail(&block->head, &dmaengine_buffer->active);  in iio_dmaengine_buffer_submit_block()
135 	dma_async_issue_pending(dmaengine_buffer->chan);  in iio_dmaengine_buffer_submit_block()
142 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_abort()  local
145 	dmaengine_terminate_sync(dmaengine_buffer->chan);  in iio_dmaengine_buffer_abort()
146 	iio_dma_buffer_block_list_abort(queue, &dmaengine_buffer->active);  in iio_dmaengine_buffer_abort()
151 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_release()  local
154 	iio_dma_buffer_release(&dmaengine_buffer->queue);  in iio_dmaengine_buffer_release()
155 	kfree(dmaengine_buffer);  in iio_dmaengine_buffer_release()
192 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_get_length_align()  local
195 	return sysfs_emit(buf, "%zu\n", dmaengine_buffer->align);  in iio_dmaengine_buffer_get_length_align()
218 	struct dmaengine_buffer *dmaengine_buffer;  in iio_dmaengine_buffer_alloc()  local
227 	dmaengine_buffer = kzalloc_obj(*dmaengine_buffer);  in iio_dmaengine_buffer_alloc()
228 	if (!dmaengine_buffer)  in iio_dmaengine_buffer_alloc()
242 	INIT_LIST_HEAD(&dmaengine_buffer->active);  in iio_dmaengine_buffer_alloc()
243 	dmaengine_buffer->chan = chan;  in iio_dmaengine_buffer_alloc()
244 	dmaengine_buffer->align = width;  in iio_dmaengine_buffer_alloc()
245 	dmaengine_buffer->max_size = dma_get_max_seg_size(chan->device->dev);  in iio_dmaengine_buffer_alloc()
247 	iio_dma_buffer_init(&dmaengine_buffer->queue, chan->device->dev,  in iio_dmaengine_buffer_alloc()
250 	dmaengine_buffer->queue.buffer.attrs = iio_dmaengine_buffer_attrs;  in iio_dmaengine_buffer_alloc()
251 	dmaengine_buffer->queue.buffer.access = &iio_dmaengine_buffer_ops;  in iio_dmaengine_buffer_alloc()
253 	return &dmaengine_buffer->queue.buffer;  in iio_dmaengine_buffer_alloc()
264 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_free()  local
267 	iio_dma_buffer_exit(&dmaengine_buffer->queue);  in iio_dmaengine_buffer_free()
280 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_teardown()  local
282 	struct dma_chan *chan = dmaengine_buffer->chan;  in iio_dmaengine_buffer_teardown()