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authorSachin Kamat <sachin.kamat@linaro.org>2013-07-23 09:58:00 +0100
committerJonathan Cameron <jic23@kernel.org>2013-08-03 18:40:40 +0100
commite59576d4beaf232d1048bac391393c94b1b00745 (patch)
treef3bc99085e55a84812edeba96ef79b94e3c28860 /drivers/iio/adc/ad7923.c
parent82429e0d33ece550378852539827916cda0a6b69 (diff)
iio: adc: ad7923: 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/ad7923.c')
-rw-r--r--drivers/iio/adc/ad7923.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c
index 97fa0d3dc4aa..4108dbb28c3d 100644
--- a/drivers/iio/adc/ad7923.c
+++ b/drivers/iio/adc/ad7923.c
@@ -275,10 +275,11 @@ static const struct iio_info ad7923_info = {
static int ad7923_probe(struct spi_device *spi)
{
struct ad7923_state *st;
- struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st));
+ struct iio_dev *indio_dev;
const struct ad7923_chip_info *info;
int ret;
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;
@@ -311,14 +312,13 @@ static int ad7923_probe(struct spi_device *spi)
spi_message_add_tail(&st->scan_single_xfer[0], &st->scan_single_msg);
spi_message_add_tail(&st->scan_single_xfer[1], &st->scan_single_msg);
- st->reg = regulator_get(&spi->dev, "refin");
- if (IS_ERR(st->reg)) {
- ret = PTR_ERR(st->reg);
- goto error_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;
ret = iio_triggered_buffer_setup(indio_dev, NULL,
&ad7923_trigger_handler, NULL);
@@ -335,10 +335,6 @@ error_cleanup_ring:
iio_triggered_buffer_cleanup(indio_dev);
error_disable_reg:
regulator_disable(st->reg);
-error_put_reg:
- regulator_put(st->reg);
-error_free:
- iio_device_free(indio_dev);
return ret;
}
@@ -351,8 +347,6 @@ static int ad7923_remove(struct spi_device *spi)
iio_device_unregister(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
regulator_disable(st->reg);
- regulator_put(st->reg);
- iio_device_free(indio_dev);
return 0;
}