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authorSachin Kamat <sachin.kamat@linaro.org>2013-07-23 12:58:00 +0400
committerJonathan Cameron <jic23@kernel.org>2013-08-03 21:40:40 +0400
commit82429e0d33ece550378852539827916cda0a6b69 (patch)
tree42c233d87c3ab837999ce44bad327926e951aa54 /drivers/iio
parenta35801326bc12e5fec28f00a09bb2e8a7af8be38 (diff)
downloadlinux-82429e0d33ece550378852539827916cda0a6b69.tar.xz
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')
-rw-r--r--drivers/iio/adc/ad7887.c23
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;
}