diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c
index 7e830b9a0e95..85b39d69fdac 100644
--- a/drivers/bus/mhi/host/init.c
+++ b/drivers/bus/mhi/host/init.c
@@ -1021,6 +1021,14 @@ int mhi_register_controller(struct mhi_controller *mhi_cntrl,
 
 	mhi_cntrl->mhi_dev = mhi_dev;
 
+	ret = mhi_misc_register_controller(mhi_cntrl);
+	if (ret) {
+		dev_err(mhi_cntrl->cntrl_dev,
+			"Could not enable miscellaneous features\n");
+		mhi_cntrl->mhi_dev = NULL;
+		goto err_release_dev;
+	}
+
 	mhi_create_debugfs(mhi_cntrl);
 
 	return 0;
@@ -1050,6 +1058,8 @@ void mhi_unregister_controller(struct mhi_controller *mhi_cntrl)
 	unsigned int i;
 
 	mhi_deinit_free_irq(mhi_cntrl);
+	mhi_misc_unregister_controller(mhi_cntrl);
+
 	/* Free the memory controller wanted to preserve for BHIe images */
 	if (mhi_cntrl->img_pre_alloc) {
 		mhi_cntrl->img_pre_alloc = false;
@@ -1445,12 +1455,14 @@ struct bus_type mhi_bus_type = {
 
 static int __init mhi_init(void)
 {
+	mhi_misc_init();
 	mhi_debugfs_init();
 	return bus_register(&mhi_bus_type);
 }
 
 static void __exit mhi_exit(void)
 {
+	mhi_misc_exit();
 	mhi_debugfs_exit();
 	bus_unregister(&mhi_bus_type);
 }