diff --git a/plat/arm/common/arm_cci.c b/plat/arm/common/arm_cci.c
index fc24cc3..6505b91 100644
--- a/plat/arm/common/arm_cci.c
+++ b/plat/arm/common/arm_cci.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -27,7 +27,7 @@
 /******************************************************************************
  * Helper function to initialize ARM CCI driver.
  *****************************************************************************/
-void plat_arm_interconnect_init(void)
+void __init plat_arm_interconnect_init(void)
 {
 	cci_init(PLAT_ARM_CCI_BASE, cci_map, ARRAY_SIZE(cci_map));
 }
diff --git a/plat/arm/common/arm_ccn.c b/plat/arm/common/arm_ccn.c
index 84a529f..ddf3286 100644
--- a/plat/arm/common/arm_ccn.c
+++ b/plat/arm/common/arm_ccn.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -34,7 +34,7 @@
 /******************************************************************************
  * Helper function to initialize ARM CCN driver.
  *****************************************************************************/
-void plat_arm_interconnect_init(void)
+void __init plat_arm_interconnect_init(void)
 {
 	ccn_init(&arm_ccn_desc);
 }
diff --git a/plat/arm/common/arm_gicv3.c b/plat/arm/common/arm_gicv3.c
index b8ffd6b..e9e8a74 100644
--- a/plat/arm/common/arm_gicv3.c
+++ b/plat/arm/common/arm_gicv3.c
@@ -68,7 +68,7 @@
 	.mpidr_to_core_pos = arm_gicv3_mpidr_hash
 };
 
-void plat_arm_gic_driver_init(void)
+void __init plat_arm_gic_driver_init(void)
 {
 	/*
 	 * The GICv3 driver is initialized in EL3 and does not need
@@ -85,7 +85,7 @@
 /******************************************************************************
  * ARM common helper to initialize the GIC. Only invoked by BL31
  *****************************************************************************/
-void plat_arm_gic_init(void)
+void __init plat_arm_gic_init(void)
 {
 	gicv3_distif_init();
 	gicv3_rdistif_init(plat_my_core_pos());