rdev->desc->enable_mask);
 }
 
-static struct regulator_ops rk805_reg_ops = {
-               .list_voltage           = regulator_list_voltage_linear,
-               .map_voltage            = regulator_map_voltage_linear,
-               .get_voltage_sel        = regulator_get_voltage_sel_regmap,
-               .set_voltage_sel        = regulator_set_voltage_sel_regmap,
-               .enable                 = regulator_enable_regmap,
-               .disable                = regulator_disable_regmap,
-               .is_enabled             = regulator_is_enabled_regmap,
-               .set_suspend_voltage    = rk808_set_suspend_voltage,
-               .set_suspend_enable     = rk805_set_suspend_enable,
-               .set_suspend_disable    = rk805_set_suspend_disable,
+static const struct regulator_ops rk805_reg_ops = {
+       .list_voltage           = regulator_list_voltage_linear,
+       .map_voltage            = regulator_map_voltage_linear,
+       .get_voltage_sel        = regulator_get_voltage_sel_regmap,
+       .set_voltage_sel        = regulator_set_voltage_sel_regmap,
+       .enable                 = regulator_enable_regmap,
+       .disable                = regulator_disable_regmap,
+       .is_enabled             = regulator_is_enabled_regmap,
+       .set_suspend_voltage    = rk808_set_suspend_voltage,
+       .set_suspend_enable     = rk805_set_suspend_enable,
+       .set_suspend_disable    = rk805_set_suspend_disable,
 };
 
-static struct regulator_ops rk805_switch_ops = {
-               .enable                 = regulator_enable_regmap,
-               .disable                = regulator_disable_regmap,
-               .is_enabled             = regulator_is_enabled_regmap,
-               .set_suspend_enable     = rk805_set_suspend_enable,
-               .set_suspend_disable    = rk805_set_suspend_disable,
+static const struct regulator_ops rk805_switch_ops = {
+       .enable                 = regulator_enable_regmap,
+       .disable                = regulator_disable_regmap,
+       .is_enabled             = regulator_is_enabled_regmap,
+       .set_suspend_enable     = rk805_set_suspend_enable,
+       .set_suspend_disable    = rk805_set_suspend_disable,
 };
 
-static struct regulator_ops rk808_buck1_2_ops = {
+static const struct regulator_ops rk808_buck1_2_ops = {
        .list_voltage           = regulator_list_voltage_linear,
        .map_voltage            = regulator_map_voltage_linear,
        .get_voltage_sel        = rk808_buck1_2_get_voltage_sel_regmap,
        .set_suspend_disable    = rk808_set_suspend_disable,
 };
 
-static struct regulator_ops rk808_reg_ops = {
+static const struct regulator_ops rk808_reg_ops = {
        .list_voltage           = regulator_list_voltage_linear,
        .map_voltage            = regulator_map_voltage_linear,
        .get_voltage_sel        = regulator_get_voltage_sel_regmap,
        .set_suspend_disable    = rk808_set_suspend_disable,
 };
 
-static struct regulator_ops rk808_reg_ops_ranges = {
+static const struct regulator_ops rk808_reg_ops_ranges = {
        .list_voltage           = regulator_list_voltage_linear_range,
        .map_voltage            = regulator_map_voltage_linear_range,
        .get_voltage_sel        = regulator_get_voltage_sel_regmap,
        .set_suspend_disable    = rk808_set_suspend_disable,
 };
 
-static struct regulator_ops rk808_switch_ops = {
+static const struct regulator_ops rk808_switch_ops = {
        .enable                 = regulator_enable_regmap,
        .disable                = regulator_disable_regmap,
        .is_enabled             = regulator_is_enabled_regmap,