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iio: frequency: ad9523: Use devm_* APIs 

devm_* APIs are device managed and make code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Michael Hennerich <hennerich@blackfin.uclinux.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Sachin Kamat 2013-07-30 07:24:00 +01:00 committed by Jonathan Cameron
parent 36db8c7216
commit b46400c639
1 changed files with 4 additions and 13 deletions
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17
drivers/iio/frequency/ad9523.c
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@ -961,17 +961,17 @@ static int ad9523_probe(struct spi_device *spi)
return -EINVAL;
}
indio_dev = iio_device_alloc(sizeof(*st));
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (indio_dev == NULL)
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;
}
spi_set_drvdata(spi, indio_dev);
@ -1001,11 +1001,6 @@ static int ad9523_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);
return ret;
}
@ -1017,12 +1012,8 @@ static int ad9523_remove(struct spi_device *spi)
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;
}