diff --git a/plat/xilinx/versal/pm_service/pm_api_sys.h b/plat/xilinx/versal/pm_service/pm_api_sys.h
index c539aa7..8625e95 100644
--- a/plat/xilinx/versal/pm_service/pm_api_sys.h
+++ b/plat/xilinx/versal/pm_service/pm_api_sys.h
@@ -38,7 +38,7 @@
 				 uintptr_t address, uint8_t ack, uint32_t flag);
 enum pm_ret_status pm_set_wakeup_source(uint32_t target, uint32_t device_id,
 					uint8_t enable, uint32_t flag);
-void pm_get_callbackdata(uint32_t *data, size_t count, uint32_t flag,
+enum pm_ret_status pm_get_callbackdata(uint32_t *data, size_t count, uint32_t flag,
 			 uint32_t ack);
 enum pm_ret_status pm_pll_set_param(uint32_t clk_id, uint32_t param,
 				    uint32_t value, uint32_t flag);