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staging: iio: ad9951: 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 2013-09-05 10:29:00 +01:00 committed by Jonathan Cameron
parent d63519e3cf
commit 177e4af04e
1 changed files with 4 additions and 13 deletions
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17
drivers/staging/iio/frequency/ad9951.c
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@ -176,11 +176,9 @@ static int ad9951_probe(struct spi_device *spi)
struct iio_dev *idev;
int ret = 0;
idev = iio_device_alloc(sizeof(*st));
if (idev == NULL) {
ret = -ENOMEM;
goto error_ret;
}
idev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!idev)
return -ENOMEM;
spi_set_drvdata(spi, idev);
st = iio_priv(idev);
mutex_init(&st->lock);
@ -193,25 +191,18 @@ static int ad9951_probe(struct spi_device *spi)
ret = iio_device_register(idev);
if (ret)
goto error_free_dev;
return ret;
spi->max_speed_hz = 2000000;
spi->mode = SPI_MODE_3;
spi->bits_per_word = 8;
spi_setup(spi);
ad9951_init(st);
return 0;
error_free_dev:
iio_device_free(idev);
error_ret:
return ret;
}
static int ad9951_remove(struct spi_device *spi)
{
iio_device_unregister(spi_get_drvdata(spi));
iio_device_free(spi_get_drvdata(spi));
return 0;
}