495 					  struct mtk_hsdma_vchan *hvc)  in mtk_hsdma_issue_vchan_pending()  argument
500 	lockdep_assert_held(&hvc->vc.lock);  in mtk_hsdma_issue_vchan_pending()
502 	list_for_each_entry_safe(vd, vd2, &hvc->vc.desc_issued, node) {  in mtk_hsdma_issue_vchan_pending()
528 		list_move_tail(&vd->node, &hvc->desc_hw_processing);  in mtk_hsdma_issue_vchan_pending()
534 	struct mtk_hsdma_vchan *hvc;  in mtk_hsdma_free_rooms_in_ring()  local
583 			hvc = to_hsdma_vchan(cb->vd->tx.chan);  in mtk_hsdma_free_rooms_in_ring()
585 			spin_lock(&hvc->vc.lock);  in mtk_hsdma_free_rooms_in_ring()
593 			if (hvc->issue_synchronize &&  in mtk_hsdma_free_rooms_in_ring()
594 			    list_empty(&hvc->desc_hw_processing)) {  in mtk_hsdma_free_rooms_in_ring()
595 				complete(&hvc->issue_completion);  in mtk_hsdma_free_rooms_in_ring()
596 				hvc->issue_synchronize = false;  in mtk_hsdma_free_rooms_in_ring()
598 			spin_unlock(&hvc->vc.lock);  in mtk_hsdma_free_rooms_in_ring()
633 		hvc = &hsdma->vc[i];  in mtk_hsdma_free_rooms_in_ring()
634 		spin_lock(&hvc->vc.lock);  in mtk_hsdma_free_rooms_in_ring()
635 		mtk_hsdma_issue_vchan_pending(hsdma, hvc);  in mtk_hsdma_free_rooms_in_ring()
636 		spin_unlock(&hvc->vc.lock);  in mtk_hsdma_free_rooms_in_ring()
662 	struct mtk_hsdma_vchan *hvc = to_hsdma_vchan(c);  in mtk_hsdma_find_active_desc()  local
665 	list_for_each_entry(vd, &hvc->desc_hw_processing, node)  in mtk_hsdma_find_active_desc()
669 	list_for_each_entry(vd, &hvc->vc.desc_issued, node)  in mtk_hsdma_find_active_desc()
680 	struct mtk_hsdma_vchan *hvc = to_hsdma_vchan(c);  in mtk_hsdma_tx_status()  local
691 	spin_lock_irqsave(&hvc->vc.lock, flags);  in mtk_hsdma_tx_status()
693 	spin_unlock_irqrestore(&hvc->vc.lock, flags);  in mtk_hsdma_tx_status()
708 	struct mtk_hsdma_vchan *hvc = to_hsdma_vchan(c);  in mtk_hsdma_issue_pending()  local
711 	spin_lock_irqsave(&hvc->vc.lock, flags);  in mtk_hsdma_issue_pending()
713 	if (vchan_issue_pending(&hvc->vc))  in mtk_hsdma_issue_pending()
714 		mtk_hsdma_issue_vchan_pending(hsdma, hvc);  in mtk_hsdma_issue_pending()
716 	spin_unlock_irqrestore(&hvc->vc.lock, flags);  in mtk_hsdma_issue_pending()
757 	struct mtk_hsdma_vchan *hvc = to_hsdma_vchan(c);  in mtk_hsdma_free_active_desc()  local
765 	spin_lock(&hvc->vc.lock);  in mtk_hsdma_free_active_desc()
766 	if (!list_empty(&hvc->desc_hw_processing)) {  in mtk_hsdma_free_active_desc()
767 		hvc->issue_synchronize = true;  in mtk_hsdma_free_active_desc()
770 	spin_unlock(&hvc->vc.lock);  in mtk_hsdma_free_active_desc()
773 		wait_for_completion(&hvc->issue_completion);  in mtk_hsdma_free_active_desc()
778 	WARN_ONCE(!list_empty(&hvc->desc_hw_processing),  in mtk_hsdma_free_active_desc()
782 	vchan_synchronize(&hvc->vc);  in mtk_hsdma_free_active_desc()
784 	WARN_ONCE(!list_empty(&hvc->vc.desc_completed),  in mtk_hsdma_free_active_desc()