diff --git a/plat/xilinx/versal/pm_service/pm_api_sys.h b/plat/xilinx/versal/pm_service/pm_api_sys.h
index b1ad3f2..282c175 100644
--- a/plat/xilinx/versal/pm_service/pm_api_sys.h
+++ b/plat/xilinx/versal/pm_service/pm_api_sys.h
@@ -36,6 +36,7 @@
 enum pm_ret_status pm_get_device_status(uint32_t device_id, uint32_t *response);
 enum pm_ret_status pm_reset_assert(uint32_t reset, bool assert);
 enum pm_ret_status pm_reset_get_status(uint32_t reset, uint32_t *status);
+void pm_get_callbackdata(uint32_t *data, size_t count);
 enum pm_ret_status pm_pinctrl_request(uint32_t pin);
 enum pm_ret_status pm_pinctrl_release(uint32_t pin);
 enum pm_ret_status pm_pinctrl_set_function(uint32_t pin, uint32_t function);