diff --git a/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h b/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
index 32e7a532ab4df539c503c2644313e5fc313ca79b..966c90bb3576cd3c4ade247aa4f649f2f234a028 100644
--- a/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
+++ b/plat/nvidia/tegra/soc/t194/drivers/include/mce_private.h
@@ -50,6 +50,9 @@ uint64_t nvg_get_cstate_stat_query_value(void);
 int32_t nvg_is_sc7_allowed(void);
 int32_t nvg_online_core(uint32_t core);
 int32_t nvg_update_ccplex_gsc(uint32_t gsc_idx);
+int32_t nvg_roc_clean_cache(void);
+int32_t nvg_roc_flush_cache(void);
+int32_t nvg_roc_clean_cache_trbits(void);
 int32_t nvg_enter_cstate(uint32_t state, uint32_t wake_time);
 
 void nvg_set_request_data(uint64_t req, uint64_t data);
diff --git a/plat/nvidia/tegra/soc/t194/plat_sip_calls.c b/plat/nvidia/tegra/soc/t194/plat_sip_calls.c
index 04602f046a38fcc66e030eca774d679b638d8479..03dad854091d71e2c9c35bf5cb1ac329b9f75d48 100644
--- a/plat/nvidia/tegra/soc/t194/plat_sip_calls.c
+++ b/plat/nvidia/tegra/soc/t194/plat_sip_calls.c
@@ -23,7 +23,7 @@ extern bool tegra_fake_system_suspend;
 /*******************************************************************************
  * Tegra186 SiP SMCs
  ******************************************************************************/
-#define TEGRA_SIP_ENABLE_FAKE_SYSTEM_SUSPEND		0xC2FFFE03
+#define TEGRA_SIP_ENABLE_FAKE_SYSTEM_SUSPEND		0xC2FFFE03U
 
 /*******************************************************************************
  * This function is responsible for handling all T186 SiP calls