32 struct dmaengine_buffer {  struct
42 static struct dmaengine_buffer *iio_buffer_to_dmaengine_buffer(  in iio_buffer_to_dmaengine_buffer()  argument
45 	return container_of(buffer, struct dmaengine_buffer, queue.buffer);  in iio_buffer_to_dmaengine_buffer()
64 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_submit_block()  local
76 	max_size = min(block->size, dmaengine_buffer->max_size);  in iio_dmaengine_buffer_submit_block()
77 	max_size = round_down(max_size, dmaengine_buffer->align);  in iio_dmaengine_buffer_submit_block()
104 		desc = dmaengine_prep_peripheral_dma_vec(dmaengine_buffer->chan,  in iio_dmaengine_buffer_submit_block()
109 		max_size = min(block->size, dmaengine_buffer->max_size);  in iio_dmaengine_buffer_submit_block()
110 		max_size = round_down(max_size, dmaengine_buffer->align);  in iio_dmaengine_buffer_submit_block()
118 		desc = dmaengine_prep_slave_single(dmaengine_buffer->chan,  in iio_dmaengine_buffer_submit_block()
134 	spin_lock_irq(&dmaengine_buffer->queue.list_lock);  in iio_dmaengine_buffer_submit_block()
135 	list_add_tail(&block->head, &dmaengine_buffer->active);  in iio_dmaengine_buffer_submit_block()
136 	spin_unlock_irq(&dmaengine_buffer->queue.list_lock);  in iio_dmaengine_buffer_submit_block()
138 	dma_async_issue_pending(dmaengine_buffer->chan);  in iio_dmaengine_buffer_submit_block()
145 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_abort()  local
148 	dmaengine_terminate_sync(dmaengine_buffer->chan);  in iio_dmaengine_buffer_abort()
149 	iio_dma_buffer_block_list_abort(queue, &dmaengine_buffer->active);  in iio_dmaengine_buffer_abort()
154 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_release()  local
157 	iio_dma_buffer_release(&dmaengine_buffer->queue);  in iio_dmaengine_buffer_release()
158 	kfree(dmaengine_buffer);  in iio_dmaengine_buffer_release()
193 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_get_length_align()  local
196 	return sysfs_emit(buf, "%zu\n", dmaengine_buffer->align);  in iio_dmaengine_buffer_get_length_align()
222 	struct dmaengine_buffer *dmaengine_buffer;  in iio_dmaengine_buffer_alloc()  local
228 	dmaengine_buffer = kzalloc(sizeof(*dmaengine_buffer), GFP_KERNEL);  in iio_dmaengine_buffer_alloc()
229 	if (!dmaengine_buffer)  in iio_dmaengine_buffer_alloc()
253 	INIT_LIST_HEAD(&dmaengine_buffer->active);  in iio_dmaengine_buffer_alloc()
254 	dmaengine_buffer->chan = chan;  in iio_dmaengine_buffer_alloc()
255 	dmaengine_buffer->align = width;  in iio_dmaengine_buffer_alloc()
256 	dmaengine_buffer->max_size = dma_get_max_seg_size(chan->device->dev);  in iio_dmaengine_buffer_alloc()
258 	iio_dma_buffer_init(&dmaengine_buffer->queue, chan->device->dev,  in iio_dmaengine_buffer_alloc()
261 	dmaengine_buffer->queue.buffer.attrs = iio_dmaengine_buffer_attrs;  in iio_dmaengine_buffer_alloc()
262 	dmaengine_buffer->queue.buffer.access = &iio_dmaengine_buffer_ops;  in iio_dmaengine_buffer_alloc()
264 	return &dmaengine_buffer->queue.buffer;  in iio_dmaengine_buffer_alloc()
269 	kfree(dmaengine_buffer);  in iio_dmaengine_buffer_alloc()
281 	struct dmaengine_buffer *dmaengine_buffer =  in iio_dmaengine_buffer_free()  local
284 	iio_dma_buffer_exit(&dmaengine_buffer->queue);  in iio_dmaengine_buffer_free()
285 	dma_release_channel(dmaengine_buffer->chan);  in iio_dmaengine_buffer_free()