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staging: iio: ad2s90: 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>
Cc: Graff Yang <graff.yang@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Sachin Kamat 2013-09-11 10:55:00 +01:00 committed by Jonathan Cameron
parent 50711572c6
commit 6bba7983bd
1 changed files with 4 additions and 12 deletions
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16
drivers/staging/iio/resolver/ad2s90.c
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@ -64,11 +64,9 @@ static int ad2s90_probe(struct spi_device *spi)
struct ad2s90_state *st;
int ret = 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);
spi_set_drvdata(spi, indio_dev);
@ -83,7 +81,7 @@ static int ad2s90_probe(struct spi_device *spi)
ret = iio_device_register(indio_dev);
if (ret)
goto error_free_dev;
return ret;
/* need 600ns between CS and the first falling edge of SCLK */
spi->max_speed_hz = 830000;
@ -91,17 +89,11 @@ static int ad2s90_probe(struct spi_device *spi)
spi_setup(spi);
return 0;
error_free_dev:
iio_device_free(indio_dev);
error_ret:
return ret;
}
static int ad2s90_remove(struct spi_device *spi)
{
iio_device_unregister(spi_get_drvdata(spi));
iio_device_free(spi_get_drvdata(spi));
return 0;
}