414 					 struct mtk_hsdma_vdesc *hvd)  in mtk_hsdma_issue_pending_vdesc()  argument
428 	num_sgs = DIV_ROUND_UP(hvd->len, MTK_HSDMA_MAX_LEN);  in mtk_hsdma_issue_pending_vdesc()
440 		tlen = (hvd->len > MTK_HSDMA_MAX_LEN) ?  in mtk_hsdma_issue_pending_vdesc()
441 		       MTK_HSDMA_MAX_LEN : hvd->len;  in mtk_hsdma_issue_pending_vdesc()
451 		WRITE_ONCE(txd->desc1, hvd->src);  in mtk_hsdma_issue_pending_vdesc()
456 		WRITE_ONCE(rxd->desc1, hvd->dest);  in mtk_hsdma_issue_pending_vdesc()
460 		ring->cb[ring->cur_tptr].vd = &hvd->vd;  in mtk_hsdma_issue_pending_vdesc()
467 		hvd->src  += tlen;  in mtk_hsdma_issue_pending_vdesc()
468 		hvd->dest += tlen;  in mtk_hsdma_issue_pending_vdesc()
469 		hvd->len  -= tlen;  in mtk_hsdma_issue_pending_vdesc()
476 	if (!hvd->len) {  in mtk_hsdma_issue_pending_vdesc()
504 		struct mtk_hsdma_vdesc *hvd;  in mtk_hsdma_issue_vchan_pending()  local
506 		hvd = to_hsdma_vdesc(vd);  in mtk_hsdma_issue_vchan_pending()
509 		err = mtk_hsdma_issue_pending_vdesc(hsdma, hsdma->pc, hvd);  in mtk_hsdma_issue_vchan_pending()
518 		if (err == -ENOSPC || hvd->len > 0)  in mtk_hsdma_issue_vchan_pending()
537 	struct mtk_hsdma_vdesc *hvd;  in mtk_hsdma_free_rooms_in_ring()  local
579 		hvd = to_hsdma_vdesc(cb->vd);  in mtk_hsdma_free_rooms_in_ring()
580 		hvd->residue -= MTK_HSDMA_DESC_PLEN_GET(rxd->desc2);  in mtk_hsdma_free_rooms_in_ring()
682 	struct mtk_hsdma_vdesc *hvd;  in mtk_hsdma_tx_status()  local
697 		hvd = to_hsdma_vdesc(vd);  in mtk_hsdma_tx_status()
698 		bytes = hvd->residue;  in mtk_hsdma_tx_status()
724 	struct mtk_hsdma_vdesc *hvd;  in mtk_hsdma_prep_dma_memcpy()  local
726 	hvd = kzalloc(sizeof(*hvd), GFP_NOWAIT);  in mtk_hsdma_prep_dma_memcpy()
727 	if (!hvd)  in mtk_hsdma_prep_dma_memcpy()
730 	hvd->len = len;  in mtk_hsdma_prep_dma_memcpy()
731 	hvd->residue = len;  in mtk_hsdma_prep_dma_memcpy()
732 	hvd->src = src;  in mtk_hsdma_prep_dma_memcpy()
733 	hvd->dest = dest;  in mtk_hsdma_prep_dma_memcpy()
735 	return vchan_tx_prep(to_virt_chan(c), &hvd->vd, flags);  in mtk_hsdma_prep_dma_memcpy()