450 	struct mmp_pdma_desc_sw *first = NULL, *prev = NULL, *new;  in mmp_pdma_prep_memcpy()  local
484 		if (!first)  in mmp_pdma_prep_memcpy()
485 			first = new;  in mmp_pdma_prep_memcpy()
505 		list_add_tail(&new->node, &first->tx_list);  in mmp_pdma_prep_memcpy()
508 	first->async_tx.flags = flags; /* client is in control of this ack */  in mmp_pdma_prep_memcpy()
509 	first->async_tx.cookie = -EBUSY;  in mmp_pdma_prep_memcpy()
517 	return &first->async_tx;  in mmp_pdma_prep_memcpy()
520 	if (first)  in mmp_pdma_prep_memcpy()
521 		mmp_pdma_free_desc_list(chan, &first->tx_list);  in mmp_pdma_prep_memcpy()
531 	struct mmp_pdma_desc_sw *first = NULL, *prev = NULL, *new = NULL;  in mmp_pdma_prep_slave_sg()  local
567 			if (!first)  in mmp_pdma_prep_slave_sg()
568 				first = new;  in mmp_pdma_prep_slave_sg()
577 			list_add_tail(&new->node, &first->tx_list);  in mmp_pdma_prep_slave_sg()
585 	first->async_tx.cookie = -EBUSY;  in mmp_pdma_prep_slave_sg()
586 	first->async_tx.flags = flags;  in mmp_pdma_prep_slave_sg()
595 	return &first->async_tx;  in mmp_pdma_prep_slave_sg()
598 	if (first)  in mmp_pdma_prep_slave_sg()
599 		mmp_pdma_free_desc_list(chan, &first->tx_list);  in mmp_pdma_prep_slave_sg()
610 	struct mmp_pdma_desc_sw *first = NULL, *prev = NULL, *new;  in mmp_pdma_prep_dma_cyclic()  local
654 		if (!first)  in mmp_pdma_prep_dma_cyclic()
655 			first = new;  in mmp_pdma_prep_dma_cyclic()
671 		list_add_tail(&new->node, &first->tx_list);  in mmp_pdma_prep_dma_cyclic()
674 	first->async_tx.flags = flags; /* client is in control of this ack */  in mmp_pdma_prep_dma_cyclic()
675 	first->async_tx.cookie = -EBUSY;  in mmp_pdma_prep_dma_cyclic()
678 	new->desc.ddadr = first->async_tx.phys;  in mmp_pdma_prep_dma_cyclic()
679 	chan->cyclic_first = first;  in mmp_pdma_prep_dma_cyclic()
681 	return &first->async_tx;  in mmp_pdma_prep_dma_cyclic()
684 	if (first)  in mmp_pdma_prep_dma_cyclic()
685 		mmp_pdma_free_desc_list(chan, &first->tx_list);  in mmp_pdma_prep_dma_cyclic()