149 	struct fsl_edma_desc *fsl_desc;  in fsl_edma_free_desc()  local
152 	fsl_desc = to_fsl_edma_desc(vdesc);  in fsl_edma_free_desc()
153 	for (i = 0; i < fsl_desc->n_tcds; i++)  in fsl_edma_free_desc()
154 		dma_pool_free(fsl_desc->echan->tcd_pool, fsl_desc->tcd[i].vtcd,  in fsl_edma_free_desc()
155 			      fsl_desc->tcd[i].ptcd);  in fsl_edma_free_desc()
156 	kfree(fsl_desc);  in fsl_edma_free_desc()
424 	struct fsl_edma_desc *fsl_desc;  in fsl_edma_alloc_desc()  local
427 	fsl_desc = kzalloc(struct_size(fsl_desc, tcd, sg_len), GFP_NOWAIT);  in fsl_edma_alloc_desc()
428 	if (!fsl_desc)  in fsl_edma_alloc_desc()
431 	fsl_desc->echan = fsl_chan;  in fsl_edma_alloc_desc()
432 	fsl_desc->n_tcds = sg_len;  in fsl_edma_alloc_desc()
434 		fsl_desc->tcd[i].vtcd = dma_pool_alloc(fsl_chan->tcd_pool,  in fsl_edma_alloc_desc()
435 					GFP_NOWAIT, &fsl_desc->tcd[i].ptcd);  in fsl_edma_alloc_desc()
436 		if (!fsl_desc->tcd[i].vtcd)  in fsl_edma_alloc_desc()
439 	return fsl_desc;  in fsl_edma_alloc_desc()
443 		dma_pool_free(fsl_chan->tcd_pool, fsl_desc->tcd[i].vtcd,  in fsl_edma_alloc_desc()
444 				fsl_desc->tcd[i].ptcd);  in fsl_edma_alloc_desc()
445 	kfree(fsl_desc);  in fsl_edma_alloc_desc()
455 	struct fsl_edma_desc *fsl_desc;  in fsl_edma_prep_dma_cyclic()  local
468 	fsl_desc = fsl_edma_alloc_desc(fsl_chan, sg_len);  in fsl_edma_prep_dma_cyclic()
469 	if (!fsl_desc)  in fsl_edma_prep_dma_cyclic()
471 	fsl_desc->iscyclic = true;  in fsl_edma_prep_dma_cyclic()
472 	fsl_desc->dirn = direction;  in fsl_edma_prep_dma_cyclic()
494 		last_sg = fsl_desc->tcd[(i + 1) % sg_len].ptcd;  in fsl_edma_prep_dma_cyclic()
508 		fsl_edma_fill_tcd(fsl_desc->tcd[i].vtcd, src_addr, dst_addr,  in fsl_edma_prep_dma_cyclic()
514 	return vchan_tx_prep(&fsl_chan->vchan, &fsl_desc->vdesc, flags);  in fsl_edma_prep_dma_cyclic()
524 	struct fsl_edma_desc *fsl_desc;  in fsl_edma_prep_slave_sg()  local
536 	fsl_desc = fsl_edma_alloc_desc(fsl_chan, sg_len);  in fsl_edma_prep_slave_sg()
537 	if (!fsl_desc)  in fsl_edma_prep_slave_sg()
539 	fsl_desc->iscyclic = false;  in fsl_edma_prep_slave_sg()
540 	fsl_desc->dirn = direction;  in fsl_edma_prep_slave_sg()
556 		last_sg = fsl_desc->tcd[(i + 1) % sg_len].ptcd;  in fsl_edma_prep_slave_sg()
572 			last_sg = fsl_desc->tcd[(i + 1)].ptcd;  in fsl_edma_prep_slave_sg()
573 			fsl_edma_fill_tcd(fsl_desc->tcd[i].vtcd, src_addr,  in fsl_edma_prep_slave_sg()
579 			fsl_edma_fill_tcd(fsl_desc->tcd[i].vtcd, src_addr,  in fsl_edma_prep_slave_sg()
586 	return vchan_tx_prep(&fsl_chan->vchan, &fsl_desc->vdesc, flags);  in fsl_edma_prep_slave_sg()