[PATCH 1/2] regulator: 88pm8607: Simplify pm8607_list_voltage implementation

[PATCH 1/2] regulator: 88pm8607: Simplify pm8607_list_voltage implementation

[Axel Lin]

Set volt_table filed then we can use regulator_list_voltage_table.
Since we have volt_table setting, now we can remove vol_table from
struct pm8607_regulator_info.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/regulator/88pm8607.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 28f55248eb90..597385d25201 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -27,7 +27,6 @@ struct pm8607_regulator_info {
 	struct i2c_client	*i2c;
 	struct i2c_client	*i2c_8606;
 
-	unsigned int	*vol_table;
 	unsigned int	*vol_suspend;
 
 	int	slope_double;
@@ -210,13 +209,15 @@ static const unsigned int LDO14_suspend_table[] = {
 static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
 {
 	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-	int ret = -EINVAL;
+	int ret;
+
+	ret = regulator_list_voltage_table(rdev, index);
+	if (ret < 0)
+		return ret;
+
+	if (info->slope_double)
+		ret <<= 1;
 
-	if (info->vol_table && (index < rdev->desc->n_voltages)) {
-		ret = info->vol_table[index];
-		if (info->slope_double)
-			ret <<= 1;
-	}
 	return ret;
 }
 
@@ -257,6 +258,7 @@ static const struct regulator_ops pm8606_preg_ops = {
 		.type	= REGULATOR_VOLTAGE,				\
 		.id	= PM8607_ID_##vreg,				\
 		.owner	= THIS_MODULE,					\
+		.volt_table = vreg##_table,				\
 		.n_voltages = ARRAY_SIZE(vreg##_table),			\
 		.vsel_reg = PM8607_##vreg,				\
 		.vsel_mask = ARRAY_SIZE(vreg##_table) - 1,		\
@@ -266,7 +268,6 @@ static const struct regulator_ops pm8606_preg_ops = {
 		.enable_mask = 1 << (ebit),				\
 	},								\
 	.slope_double	= (0),						\
-	.vol_table	= (unsigned int *)&vreg##_table,		\
 	.vol_suspend	= (unsigned int *)&vreg##_suspend_table,	\
 }
 
@@ -278,6 +279,7 @@ static const struct regulator_ops pm8606_preg_ops = {
 		.type	= REGULATOR_VOLTAGE,				\
 		.id	= PM8607_ID_LDO##_id,				\
 		.owner	= THIS_MODULE,					\
+		.volt_table = LDO##_id##_table,				\
 		.n_voltages = ARRAY_SIZE(LDO##_id##_table),		\
 		.vsel_reg = PM8607_##vreg,				\
 		.vsel_mask = (ARRAY_SIZE(LDO##_id##_table) - 1) << (shift), \
@@ -285,7 +287,6 @@ static const struct regulator_ops pm8606_preg_ops = {
 		.enable_mask = 1 << (ebit),				\
 	},								\
 	.slope_double	= (0),						\
-	.vol_table	= (unsigned int *)&LDO##_id##_table,		\
 	.vol_suspend	= (unsigned int *)&LDO##_id##_suspend_table,	\
 }
 
-- 
2.17.1

[PATCH 2/2] regulator: 88pm8607: Remove unused fields from struct pm8607_regulator_info

[Axel Lin]

The *i2c and *i2c_8606 are no longer used since this driver was converted
to use regmap helpers. The *chip and *regulator are not really required.
So remove these unused fields.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/regulator/88pm8607.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 597385d25201..753a6a1b30c3 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -11,7 +11,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/err.h>
-#include <linux/i2c.h>
 #include <linux/of.h>
 #include <linux/regulator/of_regulator.h>
 #include <linux/platform_device.h>
@@ -22,10 +21,6 @@
 
 struct pm8607_regulator_info {
 	struct regulator_desc	desc;
-	struct pm860x_chip	*chip;
-	struct regulator_dev	*regulator;
-	struct i2c_client	*i2c;
-	struct i2c_client	*i2c_8606;
 
 	unsigned int	*vol_suspend;
 
@@ -350,6 +345,7 @@ static int pm8607_regulator_probe(struct platform_device *pdev)
 	struct pm8607_regulator_info *info = NULL;
 	struct regulator_init_data *pdata = dev_get_platdata(&pdev->dev);
 	struct regulator_config config = { };
+	struct regulator_dev *rdev;
 	struct resource *res;
 	int i;
 
@@ -372,13 +368,9 @@ static int pm8607_regulator_probe(struct platform_device *pdev)
 		/* i is used to check regulator ID */
 		i = -1;
 	}
-	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
-	info->i2c_8606 = (chip->id == CHIP_PM8607) ? chip->companion :
-			chip->client;
-	info->chip = chip;
 
 	/* check DVC ramp slope double */
-	if ((i == PM8607_ID_BUCK3) && info->chip->buck3_double)
+	if ((i == PM8607_ID_BUCK3) && chip->buck3_double)
 		info->slope_double = 1;
 
 	config.dev = &pdev->dev;
@@ -393,12 +385,11 @@ static int pm8607_regulator_probe(struct platform_device *pdev)
 	else
 		config.regmap = chip->regmap_companion;
 
-	info->regulator = devm_regulator_register(&pdev->dev, &info->desc,
-						  &config);
-	if (IS_ERR(info->regulator)) {
+	rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
+	if (IS_ERR(rdev)) {
 		dev_err(&pdev->dev, "failed to register regulator %s\n",
 			info->desc.name);
-		return PTR_ERR(info->regulator);
+		return PTR_ERR(rdev);
 	}
 
 	platform_set_drvdata(pdev, info);
-- 
2.17.1