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kernel
os
linux
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>
authored by
Krzysztof Kozlowski
and committed by
Mark Brown
dfa9e708
9653007e
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drivers/regulator/da9055-regulator.c
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drivers/regulator/da9055-regulator.c
···
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struct da9055_regulator {
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struct da9055 *da9055;
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struct da9055_regulator_info *info;
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const struct da9055_regulator_info *info;
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struct regulator_dev *rdev;
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enum gpio_select reg_rselect;
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};
···
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static unsigned int da9055_buck_get_mode(struct regulator_dev *rdev)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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const struct da9055_regulator_info *info = regulator->info;
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int ret, mode = 0;
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ret = da9055_reg_read(regulator->da9055, info->mode.reg);
···
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unsigned int mode)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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const struct da9055_regulator_info *info = regulator->info;
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int val = 0;
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switch (mode) {
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static unsigned int da9055_ldo_get_mode(struct regulator_dev *rdev)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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const struct da9055_regulator_info *info = regulator->info;
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int ret;
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ret = da9055_reg_read(regulator->da9055, info->volt.reg_b);
···
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static int da9055_ldo_set_mode(struct regulator_dev *rdev, unsigned int mode)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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const struct da9055_regulator_info *info = regulator->info;
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struct da9055_volt_reg volt = info->volt;
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int val = 0;
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···
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static int da9055_regulator_get_voltage_sel(struct regulator_dev *rdev)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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const struct da9055_regulator_info *info = regulator->info;
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struct da9055_volt_reg volt = info->volt;
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int ret, sel;
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···
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unsigned int selector)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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const struct da9055_regulator_info *info = regulator->info;
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int ret;
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/*
···
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int uV)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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const struct da9055_regulator_info *info = regulator->info;
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int ret;
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/* Select register set B for suspend voltage ramping. */
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static int da9055_suspend_enable(struct regulator_dev *rdev)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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const struct da9055_regulator_info *info = regulator->info;
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/* Select register set B for voltage ramping. */
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if (regulator->reg_rselect == NO_GPIO)
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static int da9055_suspend_disable(struct regulator_dev *rdev)
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{
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struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
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struct da9055_regulator_info *info = regulator->info;
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const struct da9055_regulator_info *info = regulator->info;
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/* Diselect register set B. */
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if (regulator->reg_rselect == NO_GPIO)
···
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},\
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}
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static struct da9055_regulator_info da9055_regulator_info[] = {
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static const struct da9055_regulator_info da9055_regulator_info[] = {
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DA9055_BUCK(BUCK1, 25, 725, 2075, 6, 9, 0xc, 2),
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DA9055_BUCK(BUCK2, 25, 925, 2500, 6, 0, 3, 0),
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DA9055_LDO(LDO1, 50, 900, 3300, 6, 2),
···
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struct regulator_config *config,
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struct da9055_pdata *pdata, int id)
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{
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struct da9055_regulator_info *info = regulator->info;
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const struct da9055_regulator_info *info = regulator->info;
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struct gpio_desc *ren;
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struct gpio_desc *ena;
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struct gpio_desc *rsel;
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return IRQ_HANDLED;
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}
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static inline struct da9055_regulator_info *find_regulator_info(int id)
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static inline const struct da9055_regulator_info *find_regulator_info(int id)
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{
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struct da9055_regulator_info *info;
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const struct da9055_regulator_info *info;
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int i;
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for (i = 0; i < ARRAY_SIZE(da9055_regulator_info); i++) {