diff --git a/plat/xilinx/zynqmp/pm_service/pm_client.h b/plat/xilinx/zynqmp/pm_service/pm_client.h
index 16e37d5..070db89 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_client.h
+++ b/plat/xilinx/zynqmp/pm_service/pm_client.h
@@ -20,6 +20,7 @@
 void pm_client_abort_suspend(void);
 void pm_client_wakeup(const struct pm_proc *proc);
 enum pm_ret_status set_ocm_retention(void);
+enum pm_ret_status pm_set_suspend_mode(uint32_t mode);
 
 /* Global variables to be set in pm_client.c */
 extern const struct pm_proc *primary_proc;