diff --git a/plat/xilinx/versal/pm_service/pm_api_sys.h b/plat/xilinx/versal/pm_service/pm_api_sys.h
index 86a46d0..8343533 100644
--- a/plat/xilinx/versal/pm_service/pm_api_sys.h
+++ b/plat/xilinx/versal/pm_service/pm_api_sys.h
@@ -18,14 +18,14 @@
 				       uint32_t x2, uint32_t x3, uint32_t x4,
 				       uint32_t x5, uint64_t *result);
 enum pm_ret_status pm_self_suspend(uint32_t nid,
-				   unsigned int latency,
-				   unsigned int state,
+				   uint32_t latency,
+				   uint32_t state,
 				   uintptr_t address, uint32_t flag);
 enum pm_ret_status pm_abort_suspend(enum pm_abort_reason reason, uint32_t flag);
 enum pm_ret_status pm_req_suspend(uint32_t target,
 				  uint8_t ack,
-				  unsigned int latency,
-				  unsigned int state, uint32_t flag);
+				  uint32_t latency,
+				  uint32_t state, uint32_t flag);
 enum pm_ret_status pm_req_wakeup(uint32_t target, uint32_t set_address,
 				 uintptr_t address, uint8_t ack, uint32_t flag);
 enum pm_ret_status pm_set_wakeup_source(uint32_t target, uint32_t device_id,
@@ -48,7 +48,7 @@
 				uint32_t *value, uint32_t flag);
 enum pm_ret_status pm_query_data(uint32_t qid, uint32_t arg1, uint32_t arg2,
 				 uint32_t arg3, uint32_t *data, uint32_t flag);
-unsigned int pm_get_shutdown_scope(void);
+uint32_t pm_get_shutdown_scope(void);
 enum pm_ret_status pm_feature_check(uint32_t api_id, uint32_t *ret_payload,
 				    uint32_t flag);
 enum pm_ret_status pm_load_pdi(uint32_t src, uint32_t address_low,