diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/sy8106a-regulator.c | 40 |
1 files 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, ®); + error = regmap_read(regmap, SY8106A_REG_VOUT1_SEL, ®); 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; } |