#include <linux/mfd/rt5033-private.h>
 #include <linux/regulator/of_regulator.h>
 
-static struct regulator_ops rt5033_safe_ldo_ops = {
+static const struct regulator_ops rt5033_safe_ldo_ops = {
        .is_enabled             = regulator_is_enabled_regmap,
        .enable                 = regulator_enable_regmap,
        .disable                = regulator_disable_regmap,
        .list_voltage           = regulator_list_voltage_linear,
 };
 
-static struct regulator_ops rt5033_buck_ops = {
+static const struct regulator_ops rt5033_buck_ops = {
        .is_enabled             = regulator_is_enabled_regmap,
        .enable                 = regulator_enable_regmap,
        .disable                = regulator_disable_regmap,