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staging: iio: ad7280a: Use devm_iio_device_alloc

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devm_iio_device_alloc makes 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 1e319cecdb
commit 0a2f0265b6
1 changed files with 4 additions and 7 deletions
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11
drivers/staging/iio/adc/ad7280a.c
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@ -835,8 +835,9 @@ static int ad7280_probe(struct spi_device *spi)
int ret;
const unsigned short tACQ_ns[4] = {465, 1010, 1460, 1890};
const unsigned short nAVG[4] = {1, 2, 4, 8};
struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st));
struct iio_dev *indio_dev;
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;
@ -860,7 +861,7 @@ static int ad7280_probe(struct spi_device *spi)
ret = ad7280_chain_setup(st);
if (ret < 0)
goto error_free_device;
return ret;
st->slave_num = ret;
st->scan_cnt = (st->slave_num + 1) * AD7280A_NUM_CH;
@ -891,7 +892,7 @@ static int ad7280_probe(struct spi_device *spi)
ret = ad7280_channel_init(st);
if (ret < 0)
goto error_free_device;
return ret;
indio_dev->num_channels = ret;
indio_dev->channels = st->channels;
@ -940,9 +941,6 @@ static int ad7280_probe(struct spi_device *spi)
error_free_channels:
kfree(st->channels);
error_free_device:
iio_device_free(indio_dev);
return ret;
}
@ -960,7 +958,6 @@ static int ad7280_remove(struct spi_device *spi)
kfree(st->channels);
kfree(st->iio_attr);
iio_device_free(indio_dev);
return 0;
}