diff --git a/plat/nvidia/tegra/include/tegra_private.h b/plat/nvidia/tegra/include/tegra_private.h
index d0028e0..0267e08 100644
--- a/plat/nvidia/tegra/include/tegra_private.h
+++ b/plat/nvidia/tegra/include/tegra_private.h
@@ -54,7 +54,7 @@
 };
 
 /* Declarations for plat_psci_handlers.c */
-int32_t tegra_soc_validate_power_state(unsigned int power_state,
+int32_t tegra_soc_validate_power_state(uint32_t power_state,
 		psci_power_state_t *req_state);
 
 /* Declarations for plat_setup.c */