regulator: da9055: Constify static data

Driver does not modify static data with regulators description (struct
da9055_regulator_info), so make it const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-2-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c
index 352547c375bd789cc495fa3a2025435c234f65d5..a0d3414aa79e6b267b75943bd3f14471ef5fe971 100644 (file)
--- a/drivers/regulator/da9055-regulator.c
+++ b/drivers/regulator/da9055-regulator.c
@@ -73,7 +73,7 @@ struct da9055_regulator_info {
 
 struct da9055_regulator {
        struct da9055 *da9055;
-       struct da9055_regulator_info *info;
+       const struct da9055_regulator_info *info;
        struct regulator_dev *rdev;
        enum gpio_select reg_rselect;
 };
@@ -81,7 +81,7 @@ struct da9055_regulator {
 static unsigned int da9055_buck_get_mode(struct regulator_dev *rdev)
 {
        struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
+       const struct da9055_regulator_info *info = regulator->info;
        int ret, mode = 0;
 
        ret = da9055_reg_read(regulator->da9055, info->mode.reg);
@@ -107,7 +107,7 @@ static int da9055_buck_set_mode(struct regulator_dev *rdev,
                                        unsigned int mode)
 {
        struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
+       const struct da9055_regulator_info *info = regulator->info;
        int val = 0;
 
        switch (mode) {
@@ -129,7 +129,7 @@ static int da9055_buck_set_mode(struct regulator_dev *rdev,
 static unsigned int da9055_ldo_get_mode(struct regulator_dev *rdev)
 {
        struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
+       const struct da9055_regulator_info *info = regulator->info;
        int ret;
 
        ret = da9055_reg_read(regulator->da9055, info->volt.reg_b);
@@ -145,7 +145,7 @@ static unsigned int da9055_ldo_get_mode(struct regulator_dev *rdev)
 static int da9055_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode)
 {
        struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
+       const struct da9055_regulator_info *info = regulator->info;
        struct da9055_volt_reg volt = info->volt;
        int val = 0;
 
@@ -167,7 +167,7 @@ static int da9055_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode)
 static int da9055_regulator_get_voltage_sel(struct regulator_dev *rdev)
 {
        struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
+       const struct da9055_regulator_info *info = regulator->info;
        struct da9055_volt_reg volt = info->volt;
        int ret, sel;
 
@@ -199,7 +199,7 @@ static int da9055_regulator_set_voltage_sel(struct regulator_dev *rdev,
                                            unsigned int selector)
 {
        struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
+       const struct da9055_regulator_info *info = regulator->info;
        int ret;
 
        /*
@@ -242,7 +242,7 @@ static int da9055_regulator_set_suspend_voltage(struct regulator_dev *rdev,
                                                int uV)
 {
        struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
+       const struct da9055_regulator_info *info = regulator->info;
        int ret;
 
        /* Select register set B for suspend voltage ramping. */
@@ -264,7 +264,7 @@ static int da9055_regulator_set_suspend_voltage(struct regulator_dev *rdev,
 static int da9055_suspend_enable(struct regulator_dev *rdev)
 {
        struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
+       const struct da9055_regulator_info *info = regulator->info;
 
        /* Select register set B for voltage ramping. */
        if (regulator->reg_rselect == NO_GPIO)
@@ -277,7 +277,7 @@ static int da9055_suspend_enable(struct regulator_dev *rdev)
 static int da9055_suspend_disable(struct regulator_dev *rdev)
 {
        struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
+       const struct da9055_regulator_info *info = regulator->info;
 
        /* Diselect register set B. */
        if (regulator->reg_rselect == NO_GPIO)
@@ -396,7 +396,7 @@ static const struct regulator_ops da9055_ldo_ops = {
        },\
 }
 
-static struct da9055_regulator_info da9055_regulator_info[] = {
+static const struct da9055_regulator_info da9055_regulator_info[] = {
        DA9055_BUCK(BUCK1, 25, 725, 2075, 6, 9, 0xc, 2),
        DA9055_BUCK(BUCK2, 25, 925, 2500, 6, 0, 3, 0),
        DA9055_LDO(LDO1, 50, 900, 3300, 6, 2),
@@ -417,7 +417,7 @@ static int da9055_gpio_init(struct device *dev,
                            struct regulator_config *config,
                            struct da9055_pdata *pdata, int id)
 {
-       struct da9055_regulator_info *info = regulator->info;
+       const struct da9055_regulator_info *info = regulator->info;
        struct gpio_desc *ren;
        struct gpio_desc *ena;
        struct gpio_desc *rsel;
@@ -491,9 +491,9 @@ static irqreturn_t da9055_ldo5_6_oc_irq(int irq, void *data)
        return IRQ_HANDLED;
 }
 
-static inline struct da9055_regulator_info *find_regulator_info(int id)
+static inline const struct da9055_regulator_info *find_regulator_info(int id)
 {
-       struct da9055_regulator_info *info;
+       const struct da9055_regulator_info *info;
        int i;
 
        for (i = 0; i < ARRAY_SIZE(da9055_regulator_info); i++) {