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author | Sachin Kamat <sachin.kamat@linaro.org> | 2013-07-23 09:58:00 +0100 |
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committer | Jonathan Cameron <jic23@kernel.org> | 2013-08-03 18:40:39 +0100 |
commit | eb8fe60784ee6d8bbe32f635254f71fdc4a10727 (patch) | |
tree | d3f2b624d108a846d15104d57692be3a392f259c /drivers/iio/adc | |
parent | 4ea454d2c1a38dd8c75a185019fea14ea34401b8 (diff) | |
download | op-kernel-dev-eb8fe60784ee6d8bbe32f635254f71fdc4a10727.zip op-kernel-dev-eb8fe60784ee6d8bbe32f635254f71fdc4a10727.tar.gz |
iio: adc: ad7791: Use devm_* APIs
devm_* APIs are device managed and make code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/adc')
-rw-r--r-- | drivers/iio/adc/ad7791.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c index 5e8d1da..c202035 100644 --- a/drivers/iio/adc/ad7791.c +++ b/drivers/iio/adc/ad7791.c @@ -361,21 +361,19 @@ static int ad7791_probe(struct spi_device *spi) return -ENXIO; } - indio_dev = iio_device_alloc(sizeof(*st)); + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); if (!indio_dev) return -ENOMEM; st = iio_priv(indio_dev); - st->reg = regulator_get(&spi->dev, "refin"); - if (IS_ERR(st->reg)) { - ret = PTR_ERR(st->reg); - goto err_iio_free; - } + st->reg = devm_regulator_get(&spi->dev, "refin"); + if (IS_ERR(st->reg)) + return PTR_ERR(st->reg); ret = regulator_enable(st->reg); if (ret) - goto error_put_reg; + return ret; st->info = &ad7791_chip_infos[spi_get_device_id(spi)->driver_data]; ad_sd_init(&st->sd, indio_dev, spi, &ad7791_sigma_delta_info); @@ -410,10 +408,6 @@ error_remove_trigger: ad_sd_cleanup_buffer_and_trigger(indio_dev); error_disable_reg: regulator_disable(st->reg); -error_put_reg: - regulator_put(st->reg); -err_iio_free: - iio_device_free(indio_dev); return ret; } @@ -427,9 +421,6 @@ static int ad7791_remove(struct spi_device *spi) ad_sd_cleanup_buffer_and_trigger(indio_dev); regulator_disable(st->reg); - regulator_put(st->reg); - - iio_device_free(indio_dev); return 0; } |