diff --git a/plat/nvidia/tegra/common/tegra_pm.c b/plat/nvidia/tegra/common/tegra_pm.c
index 683af28..64405fb 100644
--- a/plat/nvidia/tegra/common/tegra_pm.c
+++ b/plat/nvidia/tegra/common/tegra_pm.c
@@ -168,14 +168,10 @@
 			PSTATE_ID_SOC_POWERDN) {
 
 		/*
-		 * Lock scratch registers which hold the CPU vectors.
-		 */
-		tegra_pmc_lock_cpu_vectors();
-
-		/*
-		 * SMMU configuration.
+		 * Restore Memory Controller settings as it loses state
+		 * during system suspend.
 		 */
-		tegra_memctrl_setup();
+		tegra_memctrl_restore_settings();
 
 		/*
 		 * Security configuration to allow DRAM/device access.