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iio: dac: ad5624r_spi: 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 8571ebf7fc
commit 75238230cc
1 changed files with 6 additions and 16 deletions
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22
drivers/iio/dac/ad5624r_spi.c
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@ -226,17 +226,15 @@ static int ad5624r_probe(struct spi_device *spi)
struct iio_dev *indio_dev;
int ret, voltage_uv = 0;
indio_dev = iio_device_alloc(sizeof(*st));
if (indio_dev == NULL) {
ret = -ENOMEM;
goto error_ret;
}
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
st->reg = regulator_get(&spi->dev, "vcc");
st->reg = devm_regulator_get(&spi->dev, "vcc");
if (!IS_ERR(st->reg)) {
ret = regulator_enable(st->reg);
if (ret)
goto error_put_reg;
return ret;
ret = regulator_get_voltage(st->reg);
if (ret < 0)
@ -277,11 +275,6 @@ static int ad5624r_probe(struct spi_device *spi)
error_disable_reg:
if (!IS_ERR(st->reg))
regulator_disable(st->reg);
error_put_reg:
if (!IS_ERR(st->reg))
regulator_put(st->reg);
iio_device_free(indio_dev);
error_ret:
return ret;
}
@ -292,11 +285,8 @@ static int ad5624r_remove(struct spi_device *spi)
struct ad5624r_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;
}