diff --git a/drivers/bus/mhi/host/main.c b/drivers/bus/mhi/host/main.c
index ec9c7e12f9ba..0dc847c18191 100644
--- a/drivers/bus/mhi/host/main.c
+++ b/drivers/bus/mhi/host/main.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
  *
  */
 
@@ -378,11 +378,13 @@ void mhi_create_devices(struct mhi_controller *mhi_cntrl)
 		case DMA_TO_DEVICE:
 			mhi_dev->ul_chan = mhi_chan;
 			mhi_dev->ul_chan_id = mhi_chan->chan;
+			mhi_dev->ul_event_id = mhi_chan->er_index;
 			break;
 		case DMA_FROM_DEVICE:
 			/* We use dl_chan as offload channels */
 			mhi_dev->dl_chan = mhi_chan;
 			mhi_dev->dl_chan_id = mhi_chan->chan;
+			mhi_dev->dl_event_id = mhi_chan->er_index;
 			break;
 		default:
 			dev_err(dev, "Direction not supported\n");
@@ -401,9 +403,11 @@ void mhi_create_devices(struct mhi_controller *mhi_cntrl)
 				if (mhi_chan->dir == DMA_TO_DEVICE) {
 					mhi_dev->ul_chan = mhi_chan;
 					mhi_dev->ul_chan_id = mhi_chan->chan;
+					mhi_dev->ul_event_id = mhi_chan->er_index;
 				} else {
 					mhi_dev->dl_chan = mhi_chan;
 					mhi_dev->dl_chan_id = mhi_chan->chan;
+					mhi_dev->dl_event_id = mhi_chan->er_index;
 				}
 				get_device(&mhi_dev->dev);
 				mhi_chan->mhi_dev = mhi_dev;
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index 3ba339d087b8..a2b2bc7b59c5 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -491,7 +491,9 @@ struct mhi_controller {
  * @dev: Driver model device node for the MHI device
  * @dev_type: MHI device type
  * @ul_chan_id: MHI channel id for UL transfer
+ * @ul_event_id: MHI event ring id for UL transfer
  * @dl_chan_id: MHI channel id for DL transfer
+ * @ul_event_id: MHI event ring id for DL transfer
  * @dev_wake: Device wakeup counter
  */
 struct mhi_device {
@@ -503,7 +505,9 @@ struct mhi_device {
 	struct device dev;
 	enum mhi_device_type dev_type;
 	int ul_chan_id;
+	int ul_event_id;
 	int dl_chan_id;
+	int dl_event_id;
 	u32 dev_wake;
 };