diff options
| author |   Sachin Kamat <sachin.kamat@linaro.org> | 2013-07-23 09:58:00 +0100 |
|---|---|---|
| committer |   Jonathan Cameron <jic23@kernel.org> | 2013-08-03 18:40:40 +0100 |
| commit | 82429e0d33ece550378852539827916cda0a6b69 (patch) | |
| tree | 42c233d87c3ab837999ce44bad327926e951aa54 /drivers/iio/adc/ad7887.c | |
| parent | iio: adc: ad7793: Use devm_* APIs (diff) | |
| download | linux-dev-82429e0d33ece550378852539827916cda0a6b69.tar.xz linux-dev-82429e0d33ece550378852539827916cda0a6b69.zip | |
iio: adc: ad7887: 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/ad7887.c')
| -rw-r--r-- | drivers/iio/adc/ad7887.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/iio/adc/ad7887.c b/drivers/iio/adc/ad7887.c index dd15a5b0f701..9dd077b78759 100644 --- a/drivers/iio/adc/ad7887.c +++ b/drivers/iio/adc/ad7887.c @@ -237,25 +237,24 @@ static int ad7887_probe(struct spi_device *spi) { struct ad7887_platform_data *pdata = spi->dev.platform_data; struct ad7887_state *st; - struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); + struct iio_dev *indio_dev; uint8_t mode; int ret; + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; st = iio_priv(indio_dev); if (!pdata || !pdata->use_onchip_ref) { - st->reg = regulator_get(&spi->dev, "vref"); - if (IS_ERR(st->reg)) { - ret = PTR_ERR(st->reg); - goto error_free; - } + st->reg = devm_regulator_get(&spi->dev, "vref"); + if (IS_ERR(st->reg)) + return PTR_ERR(st->reg); ret = regulator_enable(st->reg); if (ret) - goto error_put_reg; + return ret; } st->chip_info = @@ -331,11 +330,6 @@ error_unregister_ring: error_disable_reg: if (st->reg) regulator_disable(st->reg); -error_put_reg: - if (st->reg) - regulator_put(st->reg); -error_free: - iio_device_free(indio_dev); return ret; } @@ -347,11 +341,8 @@ static int ad7887_remove(struct spi_device *spi) iio_device_unregister(indio_dev); iio_triggered_buffer_cleanup(indio_dev); - if (st->reg) { + if (st->reg) regulator_disable(st->reg); - regulator_put(st->reg); - } - iio_device_free(indio_dev); return 0; } |