}
 
 /* Operations permitted on AVS voltage regulator */
-static struct regulator_ops avs_ops = {
+static const struct regulator_ops avs_ops = {
        .set_voltage_sel        = bd9571mwv_avs_set_voltage_sel_regmap,
        .map_voltage            = regulator_map_voltage_linear,
        .get_voltage_sel        = bd9571mwv_avs_get_voltage_sel_regmap,
 };
 
 /* Operations permitted on voltage regulators */
-static struct regulator_ops reg_ops = {
+static const struct regulator_ops reg_ops = {
        .set_voltage_sel        = bd9571mwv_reg_set_voltage_sel_regmap,
        .map_voltage            = regulator_map_voltage_linear,
        .get_voltage_sel        = regulator_get_voltage_sel_regmap,
 };
 
 /* Operations permitted on voltage monitors */
-static struct regulator_ops vid_ops = {
+static const struct regulator_ops vid_ops = {
        .map_voltage            = regulator_map_voltage_linear,
        .get_voltage_sel        = regulator_get_voltage_sel_regmap,
        .list_voltage           = regulator_list_voltage_linear,
 };
 
-static struct regulator_desc regulators[] = {
+static const struct regulator_desc regulators[] = {
        BD9571MWV_REG("VD09", "vd09", VD09, avs_ops, 0, 0x7f,
                      0x80, 600000, 10000, 0x3c),
        BD9571MWV_REG("VD18", "vd18", VD18, vid_ops, BD9571MWV_VD18_VID, 0xf,