diff --git a/include/linux/ipa_mhi.h b/include/linux/ipa_mhi.h
index 13fa2475118f..dbb1cace27f2 100644
--- a/include/linux/ipa_mhi.h
+++ b/include/linux/ipa_mhi.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
  */
 
 #ifndef IPA_MHI_H_
@@ -22,6 +22,14 @@ enum ipa_mhi_event_type {
 	IPA_MHI_EVENT_MAX,
 };
 
+enum ipa_mhi_mstate {
+	IPA_MHI_STATE_M0,
+	IPA_MHI_STATE_M1,
+	IPA_MHI_STATE_M2,
+	IPA_MHI_STATE_M3,
+	IPA_MHI_STATE_M_MAX
+};
+
 typedef void (*mhi_client_cb)(void *priv, enum ipa_mhi_event_type event,
 	unsigned long data);
 
@@ -111,6 +119,8 @@ int ipa_mhi_resume(void);
 
 void ipa_mhi_destroy(void);
 
+int ipa_mhi_update_mstate(enum ipa_mhi_mstate mstate_info);
+
 #else /* IS_ENABLED(CONFIG_IPA3) */
 
 static inline int ipa_mhi_init(struct ipa_mhi_init_params *params)
@@ -149,6 +159,12 @@ static inline void ipa_mhi_destroy(void)
 
 }
 
+static inline int ipa_mhi_update_mstate
+			(enum ipa_mhi_mstate mstate_info)
+{
+	return -EPERM;
+}
+
 #endif /* IS_ENABLED(CONFIG_IPA3) */
 
 #endif /* IPA_MHI_H_ */