diff --git a/drivers/bus/mhi/host/pm.c b/drivers/bus/mhi/host/pm.c
index 9d29f1591a45..ced83fbb1a51 100644
--- a/drivers/bus/mhi/host/pm.c
+++ b/drivers/bus/mhi/host/pm.c
@@ -914,22 +914,39 @@ int mhi_pm_suspend(struct mhi_controller *mhi_cntrl)
 		return -EIO;
 	}
 
-	/* Set MHI to M3 and wait for completion */
-	mhi_set_mhi_state(mhi_cntrl, MHI_STATE_M3);
-	write_unlock_irq(&mhi_cntrl->pm_lock);
-	dev_dbg(dev, "Waiting for M3 completion\n");
+	/*
+	 * For devices without M3 support, just set the host state to M3. This
+	 * host transition is needed to prevent the client drivers from
+	 * accessing the device during suspend.
+	 */
+	if (mhi_cntrl->no_m3) {
+		new_state = mhi_tryset_pm_state(mhi_cntrl, MHI_PM_M3);
+		write_unlock_irq(&mhi_cntrl->pm_lock);
+		if (new_state != MHI_PM_M3) {
+			dev_err(dev,
+				"Error setting to PM state: %s from: %s\n",
+				to_mhi_pm_state_str(MHI_PM_M3),
+				to_mhi_pm_state_str(mhi_cntrl->pm_state));
+			return -EIO;
+		}
+	} else {
+		/* Set MHI to M3 and wait for completion */
+		mhi_set_mhi_state(mhi_cntrl, MHI_STATE_M3);
+		write_unlock_irq(&mhi_cntrl->pm_lock);
+		dev_dbg(dev, "Waiting for M3 completion\n");
 
-	ret = wait_event_timeout(mhi_cntrl->state_event,
-				 mhi_cntrl->dev_state == MHI_STATE_M3 ||
-				 MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state),
-				 msecs_to_jiffies(mhi_cntrl->timeout_ms));
+		ret = wait_event_timeout(mhi_cntrl->state_event,
+					 mhi_cntrl->dev_state == MHI_STATE_M3 ||
+					 MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state),
+					 msecs_to_jiffies(mhi_cntrl->timeout_ms));
 
-	if (!ret || MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)) {
-		dev_err(dev,
-			"Did not enter M3 state, MHI state: %s, PM state: %s\n",
-			mhi_state_str(mhi_cntrl->dev_state),
-			to_mhi_pm_state_str(mhi_cntrl->pm_state));
-		return -EIO;
+		if (!ret || MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)) {
+			dev_err(dev,
+				"Did not enter M3 state, MHI state: %s, PM state: %s\n",
+				mhi_state_str(mhi_cntrl->dev_state),
+				to_mhi_pm_state_str(mhi_cntrl->pm_state));
+			return -EIO;
+		}
 	}
 
 	/* Notify clients about entering LPM */
@@ -961,7 +978,8 @@ static int __mhi_pm_resume(struct mhi_controller *mhi_cntrl, bool force)
 	if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state))
 		return -EIO;
 
-	if (mhi_get_mhi_state(mhi_cntrl) != MHI_STATE_M3) {
+	if (!mhi_cntrl->no_m3 &&
+	    mhi_get_mhi_state(mhi_cntrl) != MHI_STATE_M3) {
 		dev_warn(dev, "Resuming from non M3 state (%s)\n",
 			 mhi_state_str(mhi_get_mhi_state(mhi_cntrl)));
 		if (!force)
@@ -987,6 +1005,15 @@ static int __mhi_pm_resume(struct mhi_controller *mhi_cntrl, bool force)
 		return -EIO;
 	}
 
+	/*
+	 * For devices without M3 support, just move the host back to M0
+	 * directly.
+	 */
+	if (mhi_cntrl->no_m3) {
+		write_unlock_irq(&mhi_cntrl->pm_lock);
+		return mhi_pm_m0_transition(mhi_cntrl);
+	}
+
 	/* Set MHI to M0 and wait for completion */
 	mhi_set_mhi_state(mhi_cntrl, MHI_STATE_M0);
 	write_unlock_irq(&mhi_cntrl->pm_lock);
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index fb3ba639f4f8..0d60058bf5ae 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -374,6 +374,7 @@ struct mhi_controller_config {
  * @bounce_buf: Use of bounce buffer
  * @fbc_download: MHI host needs to do complete image transfer (optional)
  * @wake_set: Device wakeup set flag
+ * @no_m3: Device doesn't support M3 state
  * @irq_flags: irq flags passed to request_irq (optional)
  * @mru: the default MRU for the MHI device
  *
@@ -459,6 +460,7 @@ struct mhi_controller {
 	bool bounce_buf;
 	bool fbc_download;
 	bool wake_set;
+	bool no_m3;
 	unsigned long irq_flags;
 	u32 mru;
 };