222 	struct fsl_edma_desc *fsl_desc;  in fsl_edma_free_desc()  local
225 	fsl_desc = to_fsl_edma_desc(vdesc);  in fsl_edma_free_desc()
226 	for (i = 0; i < fsl_desc->n_tcds; i++)  in fsl_edma_free_desc()
227 		dma_pool_free(fsl_desc->echan->tcd_pool, fsl_desc->tcd[i].vtcd,  in fsl_edma_free_desc()
228 			      fsl_desc->tcd[i].ptcd);  in fsl_edma_free_desc()
229 	kfree(fsl_desc);  in fsl_edma_free_desc()
541 	struct fsl_edma_desc *fsl_desc;  in fsl_edma_alloc_desc()  local
544 	fsl_desc = kzalloc(struct_size(fsl_desc, tcd, sg_len), GFP_NOWAIT);  in fsl_edma_alloc_desc()
545 	if (!fsl_desc)  in fsl_edma_alloc_desc()
548 	fsl_desc->echan = fsl_chan;  in fsl_edma_alloc_desc()
549 	fsl_desc->n_tcds = sg_len;  in fsl_edma_alloc_desc()
551 		fsl_desc->tcd[i].vtcd = dma_pool_alloc(fsl_chan->tcd_pool,  in fsl_edma_alloc_desc()
552 					GFP_NOWAIT, &fsl_desc->tcd[i].ptcd);  in fsl_edma_alloc_desc()
553 		if (!fsl_desc->tcd[i].vtcd)  in fsl_edma_alloc_desc()
556 	return fsl_desc;  in fsl_edma_alloc_desc()
560 		dma_pool_free(fsl_chan->tcd_pool, fsl_desc->tcd[i].vtcd,  in fsl_edma_alloc_desc()
561 				fsl_desc->tcd[i].ptcd);  in fsl_edma_alloc_desc()
562 	kfree(fsl_desc);  in fsl_edma_alloc_desc()
572 	struct fsl_edma_desc *fsl_desc;  in fsl_edma_prep_dma_cyclic()  local
586 	fsl_desc = fsl_edma_alloc_desc(fsl_chan, sg_len);  in fsl_edma_prep_dma_cyclic()
587 	if (!fsl_desc)  in fsl_edma_prep_dma_cyclic()
589 	fsl_desc->iscyclic = true;  in fsl_edma_prep_dma_cyclic()
590 	fsl_desc->dirn = direction;  in fsl_edma_prep_dma_cyclic()
612 		last_sg = fsl_desc->tcd[(i + 1) % sg_len].ptcd;  in fsl_edma_prep_dma_cyclic()
632 		fsl_edma_fill_tcd(fsl_chan, fsl_desc->tcd[i].vtcd, src_addr, dst_addr,  in fsl_edma_prep_dma_cyclic()
638 	return vchan_tx_prep(&fsl_chan->vchan, &fsl_desc->vdesc, flags);  in fsl_edma_prep_dma_cyclic()
647 	struct fsl_edma_desc *fsl_desc;  in fsl_edma_prep_slave_sg()  local
659 	fsl_desc = fsl_edma_alloc_desc(fsl_chan, sg_len);  in fsl_edma_prep_slave_sg()
660 	if (!fsl_desc)  in fsl_edma_prep_slave_sg()
662 	fsl_desc->iscyclic = false;  in fsl_edma_prep_slave_sg()
663 	fsl_desc->dirn = direction;  in fsl_edma_prep_slave_sg()
720 			last_sg = fsl_desc->tcd[(i + 1)].ptcd;  in fsl_edma_prep_slave_sg()
721 			fsl_edma_fill_tcd(fsl_chan, fsl_desc->tcd[i].vtcd, src_addr,  in fsl_edma_prep_slave_sg()
727 			fsl_edma_fill_tcd(fsl_chan, fsl_desc->tcd[i].vtcd, src_addr,  in fsl_edma_prep_slave_sg()
734 	return vchan_tx_prep(&fsl_chan->vchan, &fsl_desc->vdesc, flags);  in fsl_edma_prep_slave_sg()
742 	struct fsl_edma_desc *fsl_desc;  in fsl_edma_prep_memcpy()  local
744 	fsl_desc = fsl_edma_alloc_desc(fsl_chan, 1);  in fsl_edma_prep_memcpy()
745 	if (!fsl_desc)  in fsl_edma_prep_memcpy()
747 	fsl_desc->iscyclic = false;  in fsl_edma_prep_memcpy()
754 	fsl_edma_fill_tcd(fsl_chan, fsl_desc->tcd[0].vtcd, dma_src, dma_dst,  in fsl_edma_prep_memcpy()
758 	return vchan_tx_prep(&fsl_chan->vchan, &fsl_desc->vdesc, flags);  in fsl_edma_prep_memcpy()