regulator: twl: Constify regulator_ops

These regulator_ops variables never need to be modified, make them const so
compiler can put them to .rodata.

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

diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 402ea43..cdd81e1 100644 (file)
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -392,7 +392,7 @@ static int twl4030ldo_get_voltage_sel(struct regulator_dev *rdev)
        return vsel;
 }
 
-static struct regulator_ops twl4030ldo_ops = {
+static const struct regulator_ops twl4030ldo_ops = {
        .list_voltage   = twl4030ldo_list_voltage,
 
        .set_voltage_sel = twl4030ldo_set_voltage_sel,
@@ -430,14 +430,14 @@ static int twl4030smps_get_voltage(struct regulator_dev *rdev)
        return vsel * 12500 + 600000;
 }
 
-static struct regulator_ops twl4030smps_ops = {
+static const struct regulator_ops twl4030smps_ops = {
        .set_voltage    = twl4030smps_set_voltage,
        .get_voltage    = twl4030smps_get_voltage,
 };
 
 /*----------------------------------------------------------------------*/
 
-static struct regulator_ops twl4030fixed_ops = {
+static const struct regulator_ops twl4030fixed_ops = {
        .list_voltage   = regulator_list_voltage_linear,
 
        .enable         = twl4030reg_enable,