return val & mask ? REGULATOR_MODE_FAST : REGULATOR_MODE_NORMAL;
 }
 
-static struct regulator_ops lp872x_ldo_ops = {
+static const struct regulator_ops lp872x_ldo_ops = {
        .list_voltage = regulator_list_voltage_table,
        .map_voltage = regulator_map_voltage_ascend,
        .set_voltage_sel = regulator_set_voltage_sel_regmap,
        .enable_time = lp872x_regulator_enable_time,
 };
 
-static struct regulator_ops lp8720_buck_ops = {
+static const struct regulator_ops lp8720_buck_ops = {
        .list_voltage = regulator_list_voltage_table,
        .map_voltage = regulator_map_voltage_ascend,
        .set_voltage_sel = lp872x_buck_set_voltage_sel,
        .get_mode = lp872x_buck_get_mode,
 };
 
-static struct regulator_ops lp8725_buck_ops = {
+static const struct regulator_ops lp8725_buck_ops = {
        .list_voltage = regulator_list_voltage_table,
        .map_voltage = regulator_map_voltage_ascend,
        .set_voltage_sel = lp872x_buck_set_voltage_sel,
        .get_current_limit = lp8725_buck_get_current_limit,
 };
 
-static struct regulator_desc lp8720_regulator_desc[] = {
+static const struct regulator_desc lp8720_regulator_desc[] = {
        {
                .name = "ldo1",
                .of_match = of_match_ptr("ldo1"),
        },
 };
 
-static struct regulator_desc lp8725_regulator_desc[] = {
+static const struct regulator_desc lp8725_regulator_desc[] = {
        {
                .name = "ldo1",
                .of_match = of_match_ptr("ldo1"),
 
 static int lp872x_regulator_register(struct lp872x *lp)
 {
-       struct regulator_desc *desc;
+       const struct regulator_desc *desc;
        struct regulator_config cfg = { };
        struct regulator_dev *rdev;
        int i;