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iio: dac: ad5446: Use devm_* APIs 

devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Sachin Kamat 2013-08-19 12:38:00 +01:00 committed by Jonathan Cameron
parent 62a308a62d
commit ba7272954e
1 changed files with 5 additions and 14 deletions
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19
drivers/iio/dac/ad5446.c
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@ -220,11 +220,11 @@ static int ad5446_probe(struct device *dev, const char *name,
struct regulator *reg;
int ret, voltage_uv = 0;
reg = regulator_get(dev, "vcc");
reg = devm_regulator_get(dev, "vcc");
if (!IS_ERR(reg)) {
ret = regulator_enable(reg);
if (ret)
goto error_put_reg;
return ret;
ret = regulator_get_voltage(reg);
if (ret < 0)
@ -233,7 +233,7 @@ static int ad5446_probe(struct device *dev, const char *name,
voltage_uv = ret;
}
indio_dev = iio_device_alloc(sizeof(*st));
indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
if (indio_dev == NULL) {
ret = -ENOMEM;
goto error_disable_reg;
@ -264,19 +264,13 @@ static int ad5446_probe(struct device *dev, const char *name,
ret = iio_device_register(indio_dev);
if (ret)
goto error_free_device;
goto error_disable_reg;
return 0;
error_free_device:
iio_device_free(indio_dev);
error_disable_reg:
if (!IS_ERR(reg))
regulator_disable(reg);
error_put_reg:
if (!IS_ERR(reg))
regulator_put(reg);
return ret;
}
@ -286,11 +280,8 @@ static int ad5446_remove(struct device *dev)
struct ad5446_state *st = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
if (!IS_ERR(st->reg)) {
if (!IS_ERR(st->reg))
regulator_disable(st->reg);
regulator_put(st->reg);
}
iio_device_free(indio_dev);
return 0;
}