regulator: mt6323: Constify struct regulator_ops

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/mt6323-regulator.c

@@ -231,7 +231,7 @@ static unsigned int mt6323_ldo_get_mode(struct regulator_dev *rdev)
 	return mode;
 }
 
-static struct regulator_ops mt6323_volt_range_ops = {
+static const struct regulator_ops mt6323_volt_range_ops = {
 	.list_voltage = regulator_list_voltage_linear_range,
 	.map_voltage = regulator_map_voltage_linear_range,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
@@ -243,7 +243,7 @@ static struct regulator_ops mt6323_volt_range_ops = {
 	.get_status = mt6323_get_status,
 };
 
-static struct regulator_ops mt6323_volt_table_ops = {
+static const struct regulator_ops mt6323_volt_table_ops = {
 	.list_voltage = regulator_list_voltage_table,
 	.map_voltage = regulator_map_voltage_iterate,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
@@ -257,7 +257,7 @@ static struct regulator_ops mt6323_volt_table_ops = {
 	.get_mode = mt6323_ldo_get_mode,
 };
 
-static struct regulator_ops mt6323_volt_fixed_ops = {
+static const struct regulator_ops mt6323_volt_fixed_ops = {
 	.list_voltage = regulator_list_voltage_linear,
 	.enable = regulator_enable_regmap,
 	.disable = regulator_disable_regmap,