507 	struct shdma_desc *new;  in shdma_add_desc()  local
514 	new = shdma_get_desc(schan);  in shdma_add_desc()
515 	if (!new) {  in shdma_add_desc()
520 	ops->desc_setup(schan, new, *src, *dst, &copy_size);  in shdma_add_desc()
524 		new->async_tx.cookie = -EBUSY;  in shdma_add_desc()
525 		*first = new;  in shdma_add_desc()
528 		new->async_tx.cookie = -EINVAL;  in shdma_add_desc()
533 		copy_size, *len, src, dst, &new->async_tx,  in shdma_add_desc()
534 		new->async_tx.cookie);  in shdma_add_desc()
536 	new->mark = DESC_PREPARED;  in shdma_add_desc()
537 	new->async_tx.flags = flags;  in shdma_add_desc()
538 	new->direction = direction;  in shdma_add_desc()
539 	new->partial = 0;  in shdma_add_desc()
547 	return new;  in shdma_add_desc()
565 	struct shdma_desc *first = NULL, *new = NULL /* compiler... */;  in shdma_prep_sg()  local
600 				new = shdma_add_desc(schan, flags,  in shdma_prep_sg()
604 				new = shdma_add_desc(schan, flags,  in shdma_prep_sg()
607 			if (!new)  in shdma_prep_sg()
610 			new->cyclic = cyclic;  in shdma_prep_sg()
612 				new->chunks = 1;  in shdma_prep_sg()
614 				new->chunks = chunks--;  in shdma_prep_sg()
615 			list_add_tail(&new->node, &tx_list);  in shdma_prep_sg()
619 	if (new != first)  in shdma_prep_sg()
620 		new->async_tx.cookie = -ENOSPC;  in shdma_prep_sg()
630 	list_for_each_entry(new, &tx_list, node)  in shdma_prep_sg()
631 		new->mark = DESC_IDLE;  in shdma_prep_sg()