regulator: max8997: Constify struct regulator_ops

These are not modified so make them const to allow the compiler to put
them in read-only memory.

Before:
   text    data     bss     dec     hex filename
  13114    8596       0   21710    54ce drivers/regulator/max8997-regulator.o

After:
   text    data     bss     dec     hex filename
  14038    7672       0   21710    54ce drivers/regulator/max8997-regulator.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200617223247.25566-6-rikard.falkeborn@gmail.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/max8997-regulator.c

@@ -732,7 +732,7 @@ static int max8997_reg_disable_suspend(struct regulator_dev *rdev)
 	return max8997_update_reg(i2c, reg, ~pattern, mask);
 }
 
-static struct regulator_ops max8997_ldo_ops = {
+static const struct regulator_ops max8997_ldo_ops = {
 	.list_voltage		= max8997_list_voltage,
 	.is_enabled		= max8997_reg_is_enabled,
 	.enable			= max8997_reg_enable,
@@ -742,7 +742,7 @@ static struct regulator_ops max8997_ldo_ops = {
 	.set_suspend_disable	= max8997_reg_disable_suspend,
 };
 
-static struct regulator_ops max8997_buck_ops = {
+static const struct regulator_ops max8997_buck_ops = {
 	.list_voltage		= max8997_list_voltage,
 	.is_enabled		= max8997_reg_is_enabled,
 	.enable			= max8997_reg_enable,
@@ -753,7 +753,7 @@ static struct regulator_ops max8997_buck_ops = {
 	.set_suspend_disable	= max8997_reg_disable_suspend,
 };
 
-static struct regulator_ops max8997_fixedvolt_ops = {
+static const struct regulator_ops max8997_fixedvolt_ops = {
 	.list_voltage		= max8997_list_voltage,
 	.is_enabled		= max8997_reg_is_enabled,
 	.enable			= max8997_reg_enable,
@@ -761,7 +761,7 @@ static struct regulator_ops max8997_fixedvolt_ops = {
 	.set_suspend_disable	= max8997_reg_disable_suspend,
 };
 
-static struct regulator_ops max8997_safeout_ops = {
+static const struct regulator_ops max8997_safeout_ops = {
 	.list_voltage		= regulator_list_voltage_table,
 	.is_enabled		= max8997_reg_is_enabled,
 	.enable			= max8997_reg_enable,
@@ -771,7 +771,7 @@ static struct regulator_ops max8997_safeout_ops = {
 	.set_suspend_disable	= max8997_reg_disable_suspend,
 };
 
-static struct regulator_ops max8997_fixedstate_ops = {
+static const struct regulator_ops max8997_fixedstate_ops = {
 	.list_voltage		= max8997_list_voltage_charger_cv,
 	.get_voltage_sel	= max8997_get_voltage_sel,
 	.set_voltage		= max8997_set_voltage_charger_cv,
@@ -805,7 +805,7 @@ static int max8997_get_current_limit(struct regulator_dev *rdev)
 	return max8997_list_voltage(rdev, sel);
 }
 
-static struct regulator_ops max8997_charger_ops = {
+static const struct regulator_ops max8997_charger_ops = {
 	.is_enabled		= max8997_reg_is_enabled,
 	.enable			= max8997_reg_enable,
 	.disable		= max8997_reg_disable,
@@ -813,7 +813,7 @@ static struct regulator_ops max8997_charger_ops = {
 	.set_current_limit	= max8997_set_current_limit,
 };
 
-static struct regulator_ops max8997_charger_fixedstate_ops = {
+static const struct regulator_ops max8997_charger_fixedstate_ops = {
 	.get_current_limit	= max8997_get_current_limit,
 	.set_current_limit	= max8997_set_current_limit,
 };