496 					  struct mtk_hsdma_vchan *hvc)  in mtk_hsdma_issue_vchan_pending()  argument
501 	lockdep_assert_held(&hvc->vc.lock);  in mtk_hsdma_issue_vchan_pending()
503 	list_for_each_entry_safe(vd, vd2, &hvc->vc.desc_issued, node) {  in mtk_hsdma_issue_vchan_pending()
529 		list_move_tail(&vd->node, &hvc->desc_hw_processing);  in mtk_hsdma_issue_vchan_pending()
535 	struct mtk_hsdma_vchan *hvc;  in mtk_hsdma_free_rooms_in_ring()  local
584 			hvc = to_hsdma_vchan(cb->vd->tx.chan);  in mtk_hsdma_free_rooms_in_ring()
586 			spin_lock(&hvc->vc.lock);  in mtk_hsdma_free_rooms_in_ring()
594 			if (hvc->issue_synchronize &&  in mtk_hsdma_free_rooms_in_ring()
595 			    list_empty(&hvc->desc_hw_processing)) {  in mtk_hsdma_free_rooms_in_ring()
596 				complete(&hvc->issue_completion);  in mtk_hsdma_free_rooms_in_ring()
597 				hvc->issue_synchronize = false;  in mtk_hsdma_free_rooms_in_ring()
599 			spin_unlock(&hvc->vc.lock);  in mtk_hsdma_free_rooms_in_ring()
634 		hvc = &hsdma->vc[i];  in mtk_hsdma_free_rooms_in_ring()
635 		spin_lock(&hvc->vc.lock);  in mtk_hsdma_free_rooms_in_ring()
636 		mtk_hsdma_issue_vchan_pending(hsdma, hvc);  in mtk_hsdma_free_rooms_in_ring()
637 		spin_unlock(&hvc->vc.lock);  in mtk_hsdma_free_rooms_in_ring()
663 	struct mtk_hsdma_vchan *hvc = to_hsdma_vchan(c);  in mtk_hsdma_find_active_desc()  local
666 	list_for_each_entry(vd, &hvc->desc_hw_processing, node)  in mtk_hsdma_find_active_desc()
670 	list_for_each_entry(vd, &hvc->vc.desc_issued, node)  in mtk_hsdma_find_active_desc()
681 	struct mtk_hsdma_vchan *hvc = to_hsdma_vchan(c);  in mtk_hsdma_tx_status()  local
692 	spin_lock_irqsave(&hvc->vc.lock, flags);  in mtk_hsdma_tx_status()
694 	spin_unlock_irqrestore(&hvc->vc.lock, flags);  in mtk_hsdma_tx_status()
709 	struct mtk_hsdma_vchan *hvc = to_hsdma_vchan(c);  in mtk_hsdma_issue_pending()  local
712 	spin_lock_irqsave(&hvc->vc.lock, flags);  in mtk_hsdma_issue_pending()
714 	if (vchan_issue_pending(&hvc->vc))  in mtk_hsdma_issue_pending()
715 		mtk_hsdma_issue_vchan_pending(hsdma, hvc);  in mtk_hsdma_issue_pending()
717 	spin_unlock_irqrestore(&hvc->vc.lock, flags);  in mtk_hsdma_issue_pending()
758 	struct mtk_hsdma_vchan *hvc = to_hsdma_vchan(c);  in mtk_hsdma_free_active_desc()  local
766 	spin_lock(&hvc->vc.lock);  in mtk_hsdma_free_active_desc()
767 	if (!list_empty(&hvc->desc_hw_processing)) {  in mtk_hsdma_free_active_desc()
768 		hvc->issue_synchronize = true;  in mtk_hsdma_free_active_desc()
771 	spin_unlock(&hvc->vc.lock);  in mtk_hsdma_free_active_desc()
774 		wait_for_completion(&hvc->issue_completion);  in mtk_hsdma_free_active_desc()
779 	WARN_ONCE(!list_empty(&hvc->desc_hw_processing),  in mtk_hsdma_free_active_desc()
783 	vchan_synchronize(&hvc->vc);  in mtk_hsdma_free_active_desc()
785 	WARN_ONCE(!list_empty(&hvc->vc.desc_completed),  in mtk_hsdma_free_active_desc()