[PATCH 01/17] regulator: da9052: Constify static data

From: Krzysztof Kozlowski
Date: Mon Sep 09 2024 - 09:52:02 EST


Driver does not modify static data with regulators description (struct
da9052_regulator_info), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
drivers/regulator/da9052-regulator.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index ab6f5d61b173..fbebe538a648 100644
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -67,11 +67,11 @@ struct da9052_regulator_info {

struct da9052_regulator {
struct da9052 *da9052;
- struct da9052_regulator_info *info;
+ const struct da9052_regulator_info *info;
struct regulator_dev *rdev;
};

-static int verify_range(struct da9052_regulator_info *info,
+static int verify_range(const struct da9052_regulator_info *info,
int min_uV, int max_uV)
{
if (min_uV > info->max_uV || max_uV < info->min_uV)
@@ -151,7 +151,7 @@ static int da9052_list_voltage(struct regulator_dev *rdev,
unsigned int selector)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
+ const struct da9052_regulator_info *info = regulator->info;
int id = rdev_get_id(rdev);
int volt_uV;

@@ -175,7 +175,7 @@ static int da9052_map_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
+ const struct da9052_regulator_info *info = regulator->info;
int id = rdev_get_id(rdev);
int ret, sel;

@@ -206,7 +206,7 @@ static int da9052_regulator_set_voltage_sel(struct regulator_dev *rdev,
unsigned int selector)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
+ const struct da9052_regulator_info *info = regulator->info;
int id = rdev_get_id(rdev);
int ret;

@@ -237,7 +237,7 @@ static int da9052_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
unsigned int new_sel)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
+ const struct da9052_regulator_info *info = regulator->info;
int id = rdev_get_id(rdev);
int ret = 0;

@@ -327,7 +327,7 @@ static const struct regulator_ops da9052_ldo_ops = {
.activate_bit = (abits),\
}

-static struct da9052_regulator_info da9052_regulator_info[] = {
+static const struct da9052_regulator_info da9052_regulator_info[] = {
DA9052_DCDC(BUCK1, buck1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO),
DA9052_DCDC(BUCK2, buck2, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO),
DA9052_DCDC(BUCK3, buck3, 25, 950, 2525, 6, 6, DA9052_SUPPLY_VBMEMGO),
@@ -344,7 +344,7 @@ static struct da9052_regulator_info da9052_regulator_info[] = {
DA9052_LDO(LDO10, ldo10, 50, 1200, 3600, 6, 6, 0),
};

-static struct da9052_regulator_info da9053_regulator_info[] = {
+static const struct da9052_regulator_info da9053_regulator_info[] = {
DA9052_DCDC(BUCK1, buck1, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBCOREGO),
DA9052_DCDC(BUCK2, buck2, 25, 500, 2075, 6, 6, DA9052_SUPPLY_VBPROGO),
DA9052_DCDC(BUCK3, buck3, 25, 950, 2525, 6, 6, DA9052_SUPPLY_VBMEMGO),
@@ -361,10 +361,10 @@ static struct da9052_regulator_info da9053_regulator_info[] = {
DA9052_LDO(LDO10, ldo10, 50, 1200, 3600, 6, 6, 0),
};

-static inline struct da9052_regulator_info *find_regulator_info(u8 chip_id,
- int id)
+static inline const struct da9052_regulator_info *find_regulator_info(u8 chip_id,
+ int id)
{
- struct da9052_regulator_info *info;
+ const struct da9052_regulator_info *info;
int i;

switch (chip_id) {

--
2.43.0