diff --git a/drivers/soc/samsung/exynos3250-pmu.c b/drivers/soc/samsung/exynos3250-pmu.c
index 20b3ab8aa790c1483b7ce5937b855db35d4d2008..af2f54e14b83681ac8e153da3fbd29aea61f9200 100644
--- a/drivers/soc/samsung/exynos3250-pmu.c
+++ b/drivers/soc/samsung/exynos3250-pmu.c
@@ -14,7 +14,7 @@
 
 #include "exynos-pmu.h"
 
-static struct exynos_pmu_conf exynos3250_pmu_config[] = {
+static const struct exynos_pmu_conf exynos3250_pmu_config[] = {
 	/* { .offset = offset, .val = { AFTR, W-AFTR, SLEEP } */
 	{ EXYNOS3_ARM_CORE0_SYS_PWR_REG,		{ 0x0, 0x0, 0x2} },
 	{ EXYNOS3_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG,	{ 0x0, 0x0, 0x0} },
diff --git a/drivers/soc/samsung/exynos5420-pmu.c b/drivers/soc/samsung/exynos5420-pmu.c
index b962fb6a5d22b42072ba294a8501dd59de9f9734..3f2c64180ef8262e5b631681c2523c9bffda9b2a 100644
--- a/drivers/soc/samsung/exynos5420-pmu.c
+++ b/drivers/soc/samsung/exynos5420-pmu.c
@@ -17,7 +17,7 @@
 
 #include "exynos-pmu.h"
 
-static struct exynos_pmu_conf exynos5420_pmu_config[] = {
+static const struct exynos_pmu_conf exynos5420_pmu_config[] = {
 	/* { .offset = offset, .val = { AFTR, LPA, SLEEP } */
 	{ EXYNOS5_ARM_CORE0_SYS_PWR_REG,		{ 0x0, 0x0, 0x0} },
 	{ EXYNOS5_DIS_IRQ_ARM_CORE0_LOCAL_SYS_PWR_REG,	{ 0x0, 0x0, 0x0} },