regulator: Few constifications of static data

Merge series from Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>:

Few cleanups (safer code), built tested.  Last two patches should
probably be tested.

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) {

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++) {

drivers/regulator/da9063-regulator.c

@@ -715,7 +715,7 @@ static const struct da9063_regulator_info da9063_regulator_info[] = {
 };
 
 /* Link chip model with regulators info table */
-static struct da9063_dev_model regulators_models[] = {
+static const struct da9063_dev_model regulators_models[] = {
 	{
 		.regulator_info = da9063_regulator_info,
 		.n_regulators = ARRAY_SIZE(da9063_regulator_info),

drivers/regulator/da9121-regulator.c

@@ -53,7 +53,7 @@ struct da9121_range {
 	int reg_max;
 };
 
-static struct da9121_range da9121_10A_2phase_current = {
+static const struct da9121_range da9121_10A_2phase_current = {
 	.val_min =  7000000,
 	.val_max = 20000000,
 	.val_stp =  1000000,
@@ -61,7 +61,7 @@ static struct da9121_range da9121_10A_2phase_current = {
 	.reg_max = 14,
 };
 
-static struct da9121_range da9121_6A_2phase_current = {
+static const struct da9121_range da9121_6A_2phase_current = {
 	.val_min =  7000000,
 	.val_max = 12000000,
 	.val_stp =  1000000,
@@ -69,7 +69,7 @@ static struct da9121_range da9121_6A_2phase_current = {
 	.reg_max = 6,
 };
 
-static struct da9121_range da9121_5A_1phase_current = {
+static const struct da9121_range da9121_5A_1phase_current = {
 	.val_min =  3500000,
 	.val_max = 10000000,
 	.val_stp =   500000,
@@ -77,7 +77,7 @@ static struct da9121_range da9121_5A_1phase_current = {
 	.reg_max = 14,
 };
 
-static struct da9121_range da9121_3A_1phase_current = {
+static const struct da9121_range da9121_3A_1phase_current = {
 	.val_min = 3500000,
 	.val_max = 6000000,
 	.val_stp =  500000,
@@ -85,7 +85,7 @@ static struct da9121_range da9121_3A_1phase_current = {
 	.reg_max = 6,
 };
 
-static struct da9121_range da914x_40A_4phase_current = {
+static const struct da9121_range da914x_40A_4phase_current = {
 	.val_min = 26000000,
 	.val_max = 78000000,
 	.val_stp =  4000000,
@@ -93,7 +93,7 @@ static struct da9121_range da914x_40A_4phase_current = {
 	.reg_max = 14,
 };
 
-static struct da9121_range da914x_20A_2phase_current = {
+static const struct da9121_range da914x_20A_2phase_current = {
 	.val_min = 13000000,
 	.val_max = 39000000,
 	.val_stp =  2000000,
@@ -104,7 +104,7 @@ static struct da9121_range da914x_20A_2phase_current = {
 struct da9121_variant_info {
 	int num_bucks;
 	int num_phases;
-	struct da9121_range *current_range;
+	const struct da9121_range *current_range;
 };
 
 static const struct da9121_variant_info variant_parameters[] = {
@@ -188,7 +188,7 @@ static int da9121_get_current_limit(struct regulator_dev *rdev)
 {
 	struct da9121 *chip = rdev_get_drvdata(rdev);
 	int id = rdev_get_id(rdev);
-	struct da9121_range *range =
+	const struct da9121_range *range =
 		variant_parameters[chip->variant_id].current_range;
 	unsigned int val = 0;
 	int ret = 0;
@@ -219,7 +219,7 @@ static int da9121_ceiling_selector(struct regulator_dev *rdev,
 		unsigned int *selector)
 {
 	struct da9121 *chip = rdev_get_drvdata(rdev);
-	struct da9121_range *range =
+	const struct da9121_range *range =
 		variant_parameters[chip->variant_id].current_range;
 	unsigned int level;
 	unsigned int i = 0;
@@ -259,7 +259,7 @@ static int da9121_set_current_limit(struct regulator_dev *rdev,
 {
 	struct da9121 *chip = rdev_get_drvdata(rdev);
 	int id = rdev_get_id(rdev);
-	struct da9121_range *range =
+	const struct da9121_range *range =
 		variant_parameters[chip->variant_id].current_range;
 	unsigned int sel = 0;
 	int ret = 0;

drivers/regulator/hi6421-regulator.c

@@ -303,7 +303,7 @@ static const struct regulator_ops hi6421_buck345_ops;
 	}
 
 /* HI6421 regulator information */
-static struct hi6421_regulator_info
+static const struct hi6421_regulator_info
 		hi6421_regulator_info[HI6421_NUM_REGULATORS] = {
 	HI6421_LDO(LDO0, hi6421_vout0, ldo_0_voltages, 0x20, 0x07, 0x20, 0x10,
 		   10000, 0x20, 8000),
@@ -384,7 +384,7 @@ static int hi6421_regulator_enable(struct regulator_dev *rdev)
 
 static unsigned int hi6421_regulator_ldo_get_mode(struct regulator_dev *rdev)
 {
-	struct hi6421_regulator_info *info;
+	const struct hi6421_regulator_info *info;
 	unsigned int reg_val;
 
 	info = container_of(rdev->desc, struct hi6421_regulator_info, desc);
@@ -397,7 +397,7 @@ static unsigned int hi6421_regulator_ldo_get_mode(struct regulator_dev *rdev)
 
 static unsigned int hi6421_regulator_buck_get_mode(struct regulator_dev *rdev)
 {
-	struct hi6421_regulator_info *info;
+	const struct hi6421_regulator_info *info;
 	unsigned int reg_val;
 
 	info = container_of(rdev->desc, struct hi6421_regulator_info, desc);
@@ -411,7 +411,7 @@ static unsigned int hi6421_regulator_buck_get_mode(struct regulator_dev *rdev)
 static int hi6421_regulator_ldo_set_mode(struct regulator_dev *rdev,
 						unsigned int mode)
 {
-	struct hi6421_regulator_info *info;
+	const struct hi6421_regulator_info *info;
 	unsigned int new_mode;
 
 	info = container_of(rdev->desc, struct hi6421_regulator_info, desc);
@@ -436,7 +436,7 @@ static int hi6421_regulator_ldo_set_mode(struct regulator_dev *rdev,
 static int hi6421_regulator_buck_set_mode(struct regulator_dev *rdev,
 						unsigned int mode)
 {
-	struct hi6421_regulator_info *info;
+	const struct hi6421_regulator_info *info;
 	unsigned int new_mode;
 
 	info = container_of(rdev->desc, struct hi6421_regulator_info, desc);
@@ -462,7 +462,7 @@ static unsigned int
 hi6421_regulator_ldo_get_optimum_mode(struct regulator_dev *rdev,
 			int input_uV, int output_uV, int load_uA)
 {
-	struct hi6421_regulator_info *info;
+	const struct hi6421_regulator_info *info;
 
 	info = container_of(rdev->desc, struct hi6421_regulator_info, desc);
 
@@ -539,7 +539,7 @@ static int hi6421_regulator_probe(struct platform_device *pdev)
 {
 	struct hi6421_pmic *pmic = dev_get_drvdata(pdev->dev.parent);
 	struct hi6421_regulator_pdata *pdata;
-	struct hi6421_regulator_info *info;
+	const struct hi6421_regulator_info *info;
 	struct regulator_config config = { };
 	struct regulator_dev *rdev;
 	int i;

drivers/regulator/hi6421v530-regulator.c

@@ -21,12 +21,10 @@
  * struct hi6421v530_regulator_info - hi6421v530 regulator information
  * @desc: regulator description
  * @mode_mask: ECO mode bitmask of LDOs; for BUCKs, this masks sleep
- * @eco_microamp: eco mode load upper limit (in uA), valid for LDOs only
  */
 struct hi6421v530_regulator_info {
 	struct regulator_desc rdesc;
 	u8 mode_mask;
-	u32 eco_microamp;
 };
 
 /* HI6421v530 regulators */
@@ -68,10 +66,9 @@ static const struct regulator_ops hi6421v530_ldo_ops;
  * emask - enable mask
  * odelay - off/on delay time in uS
  * ecomask - eco mode mask
- * ecoamp - eco mode load uppler limit in uA
  */
 #define HI6421V530_LDO(_ID, v_table, vreg, vmask, ereg, emask,		\
-		   odelay, ecomask, ecoamp) {				\
+		   odelay, ecomask) {					\
 	.rdesc = {							\
 		.name		 = #_ID,				\
 		.of_match        = of_match_ptr(#_ID),			\
@@ -90,31 +87,30 @@ static const struct regulator_ops hi6421v530_ldo_ops;
 		.off_on_delay	 = odelay,				\
 	},								\
 	.mode_mask	= ecomask,					\
-	.eco_microamp	= ecoamp,					\
 }
 
 /* HI6421V530 regulator information */
 
-static struct hi6421v530_regulator_info hi6421v530_regulator_info[] = {
+static const struct hi6421v530_regulator_info hi6421v530_regulator_info[] = {
 	HI6421V530_LDO(LDO3, ldo_3_voltages, 0x061, 0xf, 0x060, 0x2,
-		   20000, 0x6, 8000),
+		   20000, 0x6),
 	HI6421V530_LDO(LDO9, ldo_9_11_voltages, 0x06b, 0x7, 0x06a, 0x2,
-		   40000, 0x6, 8000),
+		   40000, 0x6),
 	HI6421V530_LDO(LDO11, ldo_9_11_voltages, 0x06f, 0x7, 0x06e, 0x2,
-		   40000, 0x6, 8000),
+		   40000, 0x6),
 	HI6421V530_LDO(LDO15, ldo_15_16_voltages, 0x077, 0x7, 0x076, 0x2,
-		   40000, 0x6, 8000),
+		   40000, 0x6),
 	HI6421V530_LDO(LDO16, ldo_15_16_voltages, 0x079, 0x7, 0x078, 0x2,
-		   40000, 0x6, 8000),
+		   40000, 0x6),
 };
 
 static unsigned int hi6421v530_regulator_ldo_get_mode(
 					struct regulator_dev *rdev)
 {
-	struct hi6421v530_regulator_info *info;
+	const struct hi6421v530_regulator_info *info;
 	unsigned int reg_val;
 
-	info = rdev_get_drvdata(rdev);
+	info = container_of(rdev->desc, struct hi6421v530_regulator_info, rdesc);
 	regmap_read(rdev->regmap, rdev->desc->enable_reg, &reg_val);
 
 	if (reg_val & (info->mode_mask))
@@ -126,10 +122,10 @@ static unsigned int hi6421v530_regulator_ldo_get_mode(
 static int hi6421v530_regulator_ldo_set_mode(struct regulator_dev *rdev,
 						unsigned int mode)
 {
-	struct hi6421v530_regulator_info *info;
+	const struct hi6421v530_regulator_info *info;
 	unsigned int new_mode;
 
-	info = rdev_get_drvdata(rdev);
+	info = container_of(rdev->desc, struct hi6421v530_regulator_info, rdesc);
 	switch (mode) {
 	case REGULATOR_MODE_NORMAL:
 		new_mode = 0;
@@ -176,7 +172,6 @@ static int hi6421v530_regulator_probe(struct platform_device *pdev)
 	for (i = 0; i < ARRAY_SIZE(hi6421v530_regulator_info); i++) {
 		config.dev = pdev->dev.parent;
 		config.regmap = pmic->regmap;
-		config.driver_data = &hi6421v530_regulator_info[i];
 
 		rdev = devm_regulator_register(&pdev->dev,
 				&hi6421v530_regulator_info[i].rdesc,

drivers/regulator/hi6421v600-regulator.c

@@ -118,7 +118,7 @@ static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
 
 static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev)
 {
-	struct hi6421_spmi_reg_info *sreg;
+	const struct hi6421_spmi_reg_info *sreg;
 	unsigned int reg_val;
 
 	sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc);
@@ -133,7 +133,7 @@ static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev)
 static int hi6421_spmi_regulator_set_mode(struct regulator_dev *rdev,
 					  unsigned int mode)
 {
-	struct hi6421_spmi_reg_info *sreg;
+	const struct hi6421_spmi_reg_info *sreg;
 	unsigned int val;
 
 	sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc);
@@ -160,7 +160,7 @@ hi6421_spmi_regulator_get_optimum_mode(struct regulator_dev *rdev,
 				       int input_uV, int output_uV,
 				       int load_uA)
 {
-	struct hi6421_spmi_reg_info *sreg;
+	const struct hi6421_spmi_reg_info *sreg;
 
 	sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc);
 
@@ -195,7 +195,7 @@ enum hi6421_spmi_regulator_id {
 	hi6421v600_ldo34,
 };
 
-static struct hi6421_spmi_reg_info regulator_info[] = {
+static const struct hi6421_spmi_reg_info regulator_info[] = {
 	HI6421V600_LDO(ldo3, range_1v5_to_2v0,
 		       0x16, 0x01, 0x51,
 		       20000, 120,
@@ -235,7 +235,7 @@ static int hi6421_spmi_regulator_probe(struct platform_device *pdev)
 	struct device *pmic_dev = pdev->dev.parent;
 	struct regulator_config config = { };
 	struct hi6421_spmi_reg_priv *priv;
-	struct hi6421_spmi_reg_info *info;
+	const struct hi6421_spmi_reg_info *info;
 	struct device *dev = &pdev->dev;
 	struct regmap *regmap;
 	struct regulator_dev *rdev;

drivers/regulator/max77650-regulator.c

@@ -43,8 +43,6 @@ struct max77650_regulator_desc {
 	unsigned int regB;
 };
 
-static struct max77650_regulator_desc max77651_SBB1_desc;
-
 static const unsigned int max77651_sbb1_volt_range_sel[] = {
 	0x0, 0x1, 0x2, 0x3
 };
@@ -66,11 +64,11 @@ static const unsigned int max77650_current_limit_table[] = {
 
 static int max77650_regulator_is_enabled(struct regulator_dev *rdev)
 {
-	struct max77650_regulator_desc *rdesc;
+	const struct max77650_regulator_desc *rdesc;
 	struct regmap *map;
 	int val, rv, en;
 
-	rdesc = rdev_get_drvdata(rdev);
+	rdesc = container_of(rdev->desc, struct max77650_regulator_desc, desc);
 	map = rdev_get_regmap(rdev);
 
 	rv = regmap_read(map, rdesc->regB, &val);
@@ -84,10 +82,10 @@ static int max77650_regulator_is_enabled(struct regulator_dev *rdev)
 
 static int max77650_regulator_enable(struct regulator_dev *rdev)
 {
-	struct max77650_regulator_desc *rdesc;
+	const struct max77650_regulator_desc *rdesc;
 	struct regmap *map;
 
-	rdesc = rdev_get_drvdata(rdev);
+	rdesc = container_of(rdev->desc, struct max77650_regulator_desc, desc);
 	map = rdev_get_regmap(rdev);
 
 	return regmap_update_bits(map, rdesc->regB,
@@ -97,10 +95,10 @@ static int max77650_regulator_enable(struct regulator_dev *rdev)
 
 static int max77650_regulator_disable(struct regulator_dev *rdev)
 {
-	struct max77650_regulator_desc *rdesc;
+	const struct max77650_regulator_desc *rdesc;
 	struct regmap *map;
 
-	rdesc = rdev_get_drvdata(rdev);
+	rdesc = container_of(rdev->desc, struct max77650_regulator_desc, desc);
 	map = rdev_get_regmap(rdev);
 
 	return regmap_update_bits(map, rdesc->regB,
@@ -145,7 +143,7 @@ static const struct regulator_ops max77651_SBB1_regulator_ops = {
 	.set_active_discharge	= regulator_set_active_discharge_regmap,
 };
 
-static struct max77650_regulator_desc max77650_LDO_desc = {
+static const struct max77650_regulator_desc max77650_LDO_desc = {
 	.desc = {
 		.name			= "ldo",
 		.of_match		= of_match_ptr("ldo"),
@@ -171,7 +169,7 @@ static struct max77650_regulator_desc max77650_LDO_desc = {
 	.regB		= MAX77650_REG_CNFG_LDO_B,
 };
 
-static struct max77650_regulator_desc max77650_SBB0_desc = {
+static const struct max77650_regulator_desc max77650_SBB0_desc = {
 	.desc = {
 		.name			= "sbb0",
 		.of_match		= of_match_ptr("sbb0"),
@@ -201,7 +199,7 @@ static struct max77650_regulator_desc max77650_SBB0_desc = {
 	.regB		= MAX77650_REG_CNFG_SBB0_B,
 };
 
-static struct max77650_regulator_desc max77650_SBB1_desc = {
+static const struct max77650_regulator_desc max77650_SBB1_desc = {
 	.desc = {
 		.name			= "sbb1",
 		.of_match		= of_match_ptr("sbb1"),
@@ -231,7 +229,7 @@ static struct max77650_regulator_desc max77650_SBB1_desc = {
 	.regB		= MAX77650_REG_CNFG_SBB1_B,
 };
 
-static struct max77650_regulator_desc max77651_SBB1_desc = {
+static const struct max77650_regulator_desc max77651_SBB1_desc = {
 	.desc = {
 		.name			= "sbb1",
 		.of_match		= of_match_ptr("sbb1"),
@@ -264,7 +262,7 @@ static struct max77650_regulator_desc max77651_SBB1_desc = {
 	.regB		= MAX77650_REG_CNFG_SBB1_B,
 };
 
-static struct max77650_regulator_desc max77650_SBB2_desc = {
+static const struct max77650_regulator_desc max77650_SBB2_desc = {
 	.desc = {
 		.name			= "sbb2",
 		.of_match		= of_match_ptr("sbb2"),
@@ -294,7 +292,7 @@ static struct max77650_regulator_desc max77650_SBB2_desc = {
 	.regB		= MAX77650_REG_CNFG_SBB2_B,
 };
 
-static struct max77650_regulator_desc max77651_SBB2_desc = {
+static const struct max77650_regulator_desc max77651_SBB2_desc = {
 	.desc = {
 		.name			= "sbb2",
 		.of_match		= of_match_ptr("sbb2"),
@@ -326,8 +324,8 @@ static struct max77650_regulator_desc max77651_SBB2_desc = {
 
 static int max77650_regulator_probe(struct platform_device *pdev)
 {
-	struct max77650_regulator_desc **rdescs;
-	struct max77650_regulator_desc *rdesc;
+	const struct max77650_regulator_desc **rdescs;
+	const struct max77650_regulator_desc *rdesc;
 	struct regulator_config config = { };
 	struct device *dev, *parent;
 	struct regulator_dev *rdev;
@@ -376,7 +374,6 @@ static int max77650_regulator_probe(struct platform_device *pdev)
 
 	for (i = 0; i < MAX77650_REGULATOR_NUM_REGULATORS; i++) {
 		rdesc = rdescs[i];
-		config.driver_data = rdesc;
 
 		rdev = devm_regulator_register(dev, &rdesc->desc, &config);
 		if (IS_ERR(rdev))

drivers/regulator/max77826-regulator.c

@@ -153,7 +153,6 @@ enum max77826_regulators {
 
 struct max77826_regulator_info {
 	struct regmap *regmap;
-	struct regulator_desc *rdesc;
 };
 
 static const struct regmap_config max77826_regmap_config = {
@@ -187,7 +186,7 @@ static const struct regulator_ops max77826_buck_ops = {
 	.set_voltage_time_sel	= max77826_set_voltage_time_sel,
 };
 
-static struct regulator_desc max77826_regulators_desc[] = {
+static const struct regulator_desc max77826_regulators_desc[] = {
 	MAX77826_LDO(1, NMOS),
 	MAX77826_LDO(2, NMOS),
 	MAX77826_LDO(3, NMOS),
@@ -246,7 +245,6 @@ static int max77826_i2c_probe(struct i2c_client *client)
 	if (!info)
 		return -ENOMEM;
 
-	info->rdesc = max77826_regulators_desc;
 	regmap = devm_regmap_init_i2c(client, &max77826_regmap_config);
 	if (IS_ERR(regmap)) {
 		dev_err(dev, "Failed to allocate regmap!\n");

drivers/regulator/mtk-dvfsrc-regulator.c

@@ -19,7 +19,7 @@ enum dvfsrc_regulator_id {
 };
 
 struct dvfsrc_regulator_pdata {
-	struct regulator_desc *descs;
+	const struct regulator_desc *descs;
 	u32 size;
 };
 
@@ -107,7 +107,7 @@ static const unsigned int mt6873_voltages[] = {
 	725000,
 };
 
-static struct regulator_desc mt6873_regulators[] = {
+static const struct regulator_desc mt6873_regulators[] = {
 	MTK_DVFSRC_VREG("dvfsrc-vcore", VCORE, mt6873_voltages),
 	MTK_DVFSRC_VREG("dvfsrc-vscp", VSCP, mt6873_voltages),
 };
@@ -122,7 +122,7 @@ static const unsigned int mt8183_voltages[] = {
 	800000,
 };
 
-static struct regulator_desc mt8183_regulators[] = {
+static const struct regulator_desc mt8183_regulators[] = {
 	MTK_DVFSRC_VREG("dvfsrc-vcore", VCORE, mt8183_voltages),
 };
 
@@ -138,7 +138,7 @@ static const unsigned int mt8195_voltages[] = {
 	750000,
 };
 
-static struct regulator_desc mt8195_regulators[] = {
+static const struct regulator_desc mt8195_regulators[] = {
 	MTK_DVFSRC_VREG("dvfsrc-vcore", VCORE, mt8195_voltages),
 	MTK_DVFSRC_VREG("dvfsrc-vscp", VSCP, mt8195_voltages),
 };
@@ -159,7 +159,7 @@ static int dvfsrc_vcore_regulator_probe(struct platform_device *pdev)
 		return -EINVAL;
 
 	for (i = 0; i < pdata->size; i++) {
-		struct regulator_desc *vrdesc = &pdata->descs[i];
+		const struct regulator_desc *vrdesc = &pdata->descs[i];
 		struct regulator_dev *rdev;
 
 		rdev = devm_regulator_register(&pdev->dev, vrdesc, &config);

drivers/regulator/pcap-regulator.c

@@ -105,7 +105,7 @@ struct pcap_regulator {
 		.lowpwr		= _lowpwr,				\
 	}
 
-static struct pcap_regulator vreg_table[] = {
+static const struct pcap_regulator vreg_table[] = {
 	VREG_INFO(V1,    PCAP_REG_VREG1,   1,  2,  18, 0),
 	VREG_INFO(V2,    PCAP_REG_VREG1,   5,  6,  19, 22),
 	VREG_INFO(V3,    PCAP_REG_VREG1,   7,  8,  20, 23),
@@ -141,7 +141,7 @@ static struct pcap_regulator vreg_table[] = {
 static int pcap_regulator_set_voltage_sel(struct regulator_dev *rdev,
 					  unsigned selector)
 {
-	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+	const struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);
 
 	/* the regulator doesn't support voltage switching */
@@ -155,7 +155,7 @@ static int pcap_regulator_set_voltage_sel(struct regulator_dev *rdev,
 
 static int pcap_regulator_get_voltage_sel(struct regulator_dev *rdev)
 {
-	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+	const struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);
 	u32 tmp;
 
@@ -169,7 +169,7 @@ static int pcap_regulator_get_voltage_sel(struct regulator_dev *rdev)
 
 static int pcap_regulator_enable(struct regulator_dev *rdev)
 {
-	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+	const struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);
 
 	if (vreg->en == NA)
@@ -180,7 +180,7 @@ static int pcap_regulator_enable(struct regulator_dev *rdev)
 
 static int pcap_regulator_disable(struct regulator_dev *rdev)
 {
-	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+	const struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);
 
 	if (vreg->en == NA)
@@ -191,7 +191,7 @@ static int pcap_regulator_disable(struct regulator_dev *rdev)
 
 static int pcap_regulator_is_enabled(struct regulator_dev *rdev)
 {
-	struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
+	const struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
 	void *pcap = rdev_get_drvdata(rdev);
 	u32 tmp;
 

drivers/regulator/pfuze100-regulator.c

@@ -76,7 +76,7 @@ struct pfuze_chip {
 	struct device *dev;
 	struct pfuze_regulator regulator_descs[PFUZE100_MAX_REGULATOR];
 	struct regulator_dev *regulators[PFUZE100_MAX_REGULATOR];
-	struct pfuze_regulator *pfuze_regulators;
+	const struct pfuze_regulator *pfuze_regulators;
 };
 
 static const int pfuze100_swbst[] = {
@@ -367,7 +367,7 @@ static const struct regulator_ops pfuze3000_sw_regulator_ops = {
 }
 
 /* PFUZE100 */
-static struct pfuze_regulator pfuze100_regulators[] = {
+static const struct pfuze_regulator pfuze100_regulators[] = {
 	PFUZE100_SW_REG(PFUZE100, SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000),
 	PFUZE100_SW_REG(PFUZE100, SW1C, PFUZE100_SW1CVOL, 300000, 1875000, 25000),
 	PFUZE100_SW_REG(PFUZE100, SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000),
@@ -386,7 +386,7 @@ static struct pfuze_regulator pfuze100_regulators[] = {
 	PFUZE100_COIN_REG(PFUZE100, COIN, PFUZE100_COINVOL, 0x7, pfuze100_coin),
 };
 
-static struct pfuze_regulator pfuze200_regulators[] = {
+static const struct pfuze_regulator pfuze200_regulators[] = {
 	PFUZE100_SW_REG(PFUZE200, SW1AB, PFUZE100_SW1ABVOL, 300000, 1875000, 25000),
 	PFUZE100_SW_REG(PFUZE200, SW2, PFUZE100_SW2VOL, 400000, 1975000, 25000),
 	PFUZE100_SW_REG(PFUZE200, SW3A, PFUZE100_SW3AVOL, 400000, 1975000, 25000),
@@ -403,7 +403,7 @@ static struct pfuze_regulator pfuze200_regulators[] = {
 	PFUZE100_COIN_REG(PFUZE200, COIN, PFUZE100_COINVOL, 0x7, pfuze100_coin),
 };
 
-static struct pfuze_regulator pfuze3000_regulators[] = {
+static const struct pfuze_regulator pfuze3000_regulators[] = {
 	PFUZE3000_SW_REG(PFUZE3000, SW1A, PFUZE100_SW1ABVOL, 0x1f, pfuze3000_sw1a),
 	PFUZE100_SW_REG(PFUZE3000, SW1B, PFUZE100_SW1CVOL, 700000, 1475000, 25000),
 	PFUZE3000_SW_REG(PFUZE3000, SW2, PFUZE100_SW2VOL, 0x7, pfuze3000_sw2lo),
@@ -419,7 +419,7 @@ static struct pfuze_regulator pfuze3000_regulators[] = {
 	PFUZE100_VGEN_REG(PFUZE3000, VLDO4, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000),
 };
 
-static struct pfuze_regulator pfuze3001_regulators[] = {
+static const struct pfuze_regulator pfuze3001_regulators[] = {
 	PFUZE3000_SW_REG(PFUZE3001, SW1, PFUZE100_SW1ABVOL, 0x1f, pfuze3000_sw1a),
 	PFUZE3000_SW_REG(PFUZE3001, SW2, PFUZE100_SW2VOL, 0x7, pfuze3000_sw2lo),
 	PFUZE3000_SW3_REG(PFUZE3001, SW3, PFUZE100_SW3AVOL, 900000, 1650000, 50000),

drivers/regulator/qcom-refgen-regulator.c

@@ -62,7 +62,7 @@ static int qcom_sdm845_refgen_is_enabled(struct regulator_dev *rdev)
 	return 1;
 }
 
-static struct regulator_desc sdm845_refgen_desc = {
+static const struct regulator_desc sdm845_refgen_desc = {
 	.enable_time = 5,
 	.name = "refgen",
 	.owner = THIS_MODULE,
@@ -74,7 +74,7 @@ static struct regulator_desc sdm845_refgen_desc = {
 	},
 };
 
-static struct regulator_desc sm8250_refgen_desc = {
+static const struct regulator_desc sm8250_refgen_desc = {
 	.enable_reg = REFGEN_REG_PWRDWN_CTRL5,
 	.enable_mask = REFGEN_PWRDWN_CTRL5_MASK,
 	.enable_val = REFGEN_PWRDWN_CTRL5_ENABLE,

drivers/regulator/tps65023-regulator.c

@@ -242,17 +242,17 @@ static const struct regulator_desc tps65023_regulators[] = {
 	TPS65023_REGULATOR_LDO(2, TPS65023_LDO2_VSEL_table, 0x70),
 };
 
-static struct tps_driver_data tps65020_drv_data = {
+static const struct tps_driver_data tps65020_drv_data = {
 	.desc = tps65020_regulators,
 	.core_regulator = TPS65023_DCDC_3,
 };
 
-static struct tps_driver_data tps65021_drv_data = {
+static const struct tps_driver_data tps65021_drv_data = {
 	.desc = tps65021_regulators,
 	.core_regulator = TPS65023_DCDC_3,
 };
 
-static struct tps_driver_data tps65023_drv_data = {
+static const struct tps_driver_data tps65023_drv_data = {
 	.desc = tps65023_regulators,
 	.core_regulator = TPS65023_DCDC_1,
 };