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Subject[PATCH] regulator: sy8106a: Get rid of struct sy8106a
Date
All the fields in struct sy8106a are only used in sy8106a_i2c_probe(), so
use local variables instead.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/regulator/sy8106a-regulator.c | 40 +++++++++------------------
1 file changed, 13 insertions(+), 27 deletions(-)

diff --git a/drivers/regulator/sy8106a-regulator.c b/drivers/regulator/sy8106a-regulator.c
index 65fbd1f0b612..42e03b2c10a0 100644
--- a/drivers/regulator/sy8106a-regulator.c
+++ b/drivers/regulator/sy8106a-regulator.c
@@ -22,12 +22,6 @@
*/
#define SY8106A_GO_BIT BIT(7)

-struct sy8106a {
- struct regulator_dev *rdev;
- struct regmap *regmap;
- u32 fixed_voltage;
-};
-
static const struct regmap_config sy8106a_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
@@ -70,36 +64,32 @@ static const struct regulator_desc sy8106a_reg = {
static int sy8106a_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
- struct sy8106a *chip;
struct device *dev = &i2c->dev;
- struct regulator_dev *rdev = NULL;
+ struct regulator_dev *rdev;
struct regulator_config config = { };
+ struct regmap *regmap;
unsigned int reg, vsel;
+ u32 fixed_voltage;
int error;

- chip = devm_kzalloc(&i2c->dev, sizeof(struct sy8106a), GFP_KERNEL);
- if (!chip)
- return -ENOMEM;
-
error = of_property_read_u32(dev->of_node, "silergy,fixed-microvolt",
- &chip->fixed_voltage);
+ &fixed_voltage);
if (error)
return error;

- if (chip->fixed_voltage < SY8106A_MIN_MV * 1000 ||
- chip->fixed_voltage > SY8106A_MAX_MV * 1000)
+ if (fixed_voltage < SY8106A_MIN_MV * 1000 ||
+ fixed_voltage > SY8106A_MAX_MV * 1000)
return -EINVAL;

- chip->regmap = devm_regmap_init_i2c(i2c, &sy8106a_regmap_config);
- if (IS_ERR(chip->regmap)) {
- error = PTR_ERR(chip->regmap);
+ regmap = devm_regmap_init_i2c(i2c, &sy8106a_regmap_config);
+ if (IS_ERR(regmap)) {
+ error = PTR_ERR(regmap);
dev_err(dev, "Failed to allocate register map: %d\n", error);
return error;
}

config.dev = &i2c->dev;
- config.regmap = chip->regmap;
- config.driver_data = chip;
+ config.regmap = regmap;

config.of_node = dev->of_node;
config.init_data = of_get_regulator_init_data(dev, dev->of_node,
@@ -109,15 +99,15 @@ static int sy8106a_i2c_probe(struct i2c_client *i2c,
return -ENOMEM;

/* Ensure GO_BIT is enabled when probing */
- error = regmap_read(chip->regmap, SY8106A_REG_VOUT1_SEL, &reg);
+ error = regmap_read(regmap, SY8106A_REG_VOUT1_SEL, &reg);
if (error)
return error;

if (!(reg & SY8106A_GO_BIT)) {
- vsel = (chip->fixed_voltage / 1000 - SY8106A_MIN_MV) /
+ vsel = (fixed_voltage / 1000 - SY8106A_MIN_MV) /
SY8106A_STEP_MV;

- error = regmap_write(chip->regmap, SY8106A_REG_VOUT1_SEL,
+ error = regmap_write(regmap, SY8106A_REG_VOUT1_SEL,
vsel | SY8106A_GO_BIT);
if (error)
return error;
@@ -131,10 +121,6 @@ static int sy8106a_i2c_probe(struct i2c_client *i2c,
return error;
}

- chip->rdev = rdev;
-
- i2c_set_clientdata(i2c, chip);
-
return 0;
}

--
2.17.1
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