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staging: iio: ad7606_core: Use devm_* APIs

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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 2013-08-31 18:12:00 +01:00 committed by Jonathan Cameron
parent 3e70bad95a
commit 3727245a78
1 changed files with 7 additions and 16 deletions
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23
drivers/staging/iio/adc/ad7606_core.c
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@ -466,12 +466,11 @@ struct iio_dev *ad7606_probe(struct device *dev, int irq,
struct ad7606_platform_data *pdata = dev->platform_data;
struct ad7606_state *st;
int ret;
struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st));
struct iio_dev *indio_dev;
if (indio_dev == NULL) {
ret = -ENOMEM;
goto error_ret;
}
indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
if (!indio_dev)
return ERR_PTR(-ENOMEM);
st = iio_priv(indio_dev);
@ -489,11 +488,11 @@ struct iio_dev *ad7606_probe(struct device *dev, int irq,
st->oversampling = pdata->default_os;
}
st->reg = regulator_get(dev, "vcc");
st->reg = devm_regulator_get(dev, "vcc");
if (!IS_ERR(st->reg)) {
ret = regulator_enable(st->reg);
if (ret)
goto error_put_reg;
return ERR_PTR(ret);
}
st->pdata = pdata;
@ -554,11 +553,6 @@ struct iio_dev *ad7606_probe(struct device *dev, int irq,
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 ERR_PTR(ret);
}
@ -570,13 +564,10 @@ int ad7606_remove(struct iio_dev *indio_dev, int irq)
ad7606_ring_cleanup(indio_dev);
free_irq(irq, indio_dev);
if (!IS_ERR(st->reg)) {
if (!IS_ERR(st->reg))
regulator_disable(st->reg);
regulator_put(st->reg);
}
ad7606_free_gpios(st);
iio_device_free(indio_dev);
return 0;
}