regulator: lp3971: Constify lp3971_ldo_ops and lp3971_dcdc_ops

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

drivers/regulator/lp3971.c

@@ -159,7 +159,7 @@ static int lp3971_ldo_set_voltage_sel(struct regulator_dev *dev,
 			selector << LDO_VOL_CONTR_SHIFT(ldo));
 }
 
-static struct regulator_ops lp3971_ldo_ops = {
+static const struct regulator_ops lp3971_ldo_ops = {
 	.list_voltage = regulator_list_voltage_table,
 	.map_voltage = regulator_map_voltage_ascend,
 	.is_enabled = lp3971_ldo_is_enabled,
@@ -233,7 +233,7 @@ static int lp3971_dcdc_set_voltage_sel(struct regulator_dev *dev,
 	       0 << BUCK_VOL_CHANGE_SHIFT(buck));
 }
 
-static struct regulator_ops lp3971_dcdc_ops = {
+static const struct regulator_ops lp3971_dcdc_ops = {
 	.list_voltage = regulator_list_voltage_table,
 	.map_voltage = regulator_map_voltage_ascend,
 	.is_enabled = lp3971_dcdc_is_enabled,