593 	struct bam_async_desc *async_desc;  in bam_prep_slave_sg()  local
610 	async_desc = kzalloc(sizeof(*async_desc) +  in bam_prep_slave_sg()
613 	if (!async_desc)  in bam_prep_slave_sg()
617 		async_desc->flags |= DESC_FLAG_NWD;  in bam_prep_slave_sg()
620 		async_desc->flags |= DESC_FLAG_EOT;  in bam_prep_slave_sg()
622 		async_desc->flags |= DESC_FLAG_INT;  in bam_prep_slave_sg()
624 	async_desc->num_desc = num_alloc;  in bam_prep_slave_sg()
625 	async_desc->curr_desc = async_desc->desc;  in bam_prep_slave_sg()
626 	async_desc->dir = direction;  in bam_prep_slave_sg()
629 	desc = async_desc->desc;  in bam_prep_slave_sg()
646 			async_desc->length += desc->size;  in bam_prep_slave_sg()
651 	return vchan_tx_prep(&bchan->vc, &async_desc->vd, flags);  in bam_prep_slave_sg()
654 	kfree(async_desc);  in bam_prep_slave_sg()
736 	struct bam_async_desc *async_desc;  in process_channel_irqs()  local
756 		async_desc = bchan->curr_txd;  in process_channel_irqs()
758 		if (async_desc) {  in process_channel_irqs()
759 			async_desc->num_desc -= async_desc->xfer_len;  in process_channel_irqs()
760 			async_desc->curr_desc += async_desc->xfer_len;  in process_channel_irqs()
764 			bchan->head += async_desc->xfer_len;  in process_channel_irqs()
772 			if (!async_desc->num_desc)  in process_channel_irqs()
773 				vchan_cookie_complete(&async_desc->vd);  in process_channel_irqs()
775 				list_add(&async_desc->vd.node,  in process_channel_irqs()
886 	struct bam_async_desc *async_desc;  in bam_start_dma()  local
898 	async_desc = container_of(vd, struct bam_async_desc, vd);  in bam_start_dma()
899 	bchan->curr_txd = async_desc;  in bam_start_dma()
903 		bam_chan_init_hw(bchan, async_desc->dir);  in bam_start_dma()
907 		bam_apply_new_config(bchan, async_desc->dir);  in bam_start_dma()
911 	if (async_desc->num_desc > MAX_DESCRIPTORS)  in bam_start_dma()
912 		async_desc->xfer_len = MAX_DESCRIPTORS;  in bam_start_dma()
914 		async_desc->xfer_len = async_desc->num_desc;  in bam_start_dma()
917 	if (async_desc->num_desc == async_desc->xfer_len)  in bam_start_dma()
918 		desc[async_desc->xfer_len - 1].flags = async_desc->flags;  in bam_start_dma()
920 		desc[async_desc->xfer_len - 1].flags |= DESC_FLAG_INT;  in bam_start_dma()
922 	if (bchan->tail + async_desc->xfer_len > MAX_DESCRIPTORS) {  in bam_start_dma()
927 		memcpy(fifo, &desc[partial], (async_desc->xfer_len - partial) *  in bam_start_dma()
931 			async_desc->xfer_len * sizeof(struct bam_desc_hw));  in bam_start_dma()
934 	bchan->tail += async_desc->xfer_len;  in bam_start_dma()
994 	struct bam_async_desc *async_desc = container_of(vd,  in bam_dma_free_desc()  local
997 	kfree(async_desc);  in bam_dma_free_desc()