diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c
index f2f1201d8d33..3800fd3d7760 100644
--- a/arch/arm/mach-exynos/suspend.c
+++ b/arch/arm/mach-exynos/suspend.c
@@ -576,7 +576,7 @@ static const struct exynos_pm_data exynos5250_pm_data = {
 	.cpu_suspend	= exynos_cpu_suspend,
 };
 
-static struct exynos_pm_data exynos5420_pm_data = {
+static const struct exynos_pm_data exynos5420_pm_data = {
 	.wkup_irq	= exynos5250_wkup_irq,
 	.wake_disable_mask = (0x7F << 7) | (0x1F << 1),
 	.release_ret_regs = exynos5420_release_ret_regs,