diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c
index 7f5326925ed5..8d2d9d01cfd2 100644
--- a/drivers/pci/endpoint/functions/pci-epf-mhi.c
+++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c
@@ -644,6 +644,15 @@ err_unlock:
 	return ret;
 }
 
+static void pci_epf_mhi_edma_flush_async(struct mhi_ep_cntrl *mhi_cntrl)
+{
+	struct pci_epf_mhi *epf_mhi = to_epf_mhi(mhi_cntrl);
+
+	dmaengine_synchronize(epf_mhi->dma_chan_rx);
+	dmaengine_synchronize(epf_mhi->dma_chan_tx);
+	flush_workqueue(epf_mhi->dma_wq);
+}
+
 struct epf_dma_filter {
 	struct device *dev;
 	u32 dma_mask;
@@ -812,6 +821,7 @@ static int pci_epf_mhi_link_up(struct pci_epf *epf)
 		mhi_cntrl->write_sync = pci_epf_mhi_edma_write;
 		mhi_cntrl->read_async = pci_epf_mhi_edma_read_async;
 		mhi_cntrl->write_async = pci_epf_mhi_edma_write_async;
+		mhi_cntrl->flush_async = pci_epf_mhi_edma_flush_async;
 	}
 
 	/* Register the MHI EP controller */