[PATCH 2/3] iio: adc: ad7923: use device-managed function for triggered buffer

From: Lucas Stankus
Date: Sun Mar 28 2021 - 17:47:38 EST


Converts the iio_triggered_buffer_setup() call to its device-managed
counterpart.
With this, the error handling routine in the ad7923_probe() function
becomes unnecessary as well as the iio_triggered_buffer_cleanup() call.

Signed-off-by: Lucas Stankus <lucas.p.stankus@xxxxxxxxx>
---
drivers/iio/adc/ad7923.c | 15 +++------------
1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c
index 3418ef6f0857..d07eaf3111ed 100644
--- a/drivers/iio/adc/ad7923.c
+++ b/drivers/iio/adc/ad7923.c
@@ -351,20 +351,12 @@ static int ad7923_probe(struct spi_device *spi)
if (ret)
return ret;

- ret = iio_triggered_buffer_setup(indio_dev, NULL,
- &ad7923_trigger_handler, NULL);
+ ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev, NULL,
+ &ad7923_trigger_handler, NULL);
if (ret)
return ret;

- ret = iio_device_register(indio_dev);
- if (ret)
- goto error_cleanup_ring;
-
- return 0;
-
-error_cleanup_ring:
- iio_triggered_buffer_cleanup(indio_dev);
- return ret;
+ return iio_device_register(indio_dev);
}

static int ad7923_remove(struct spi_device *spi)
@@ -372,7 +364,6 @@ static int ad7923_remove(struct spi_device *spi)
struct iio_dev *indio_dev = spi_get_drvdata(spi);

iio_device_unregister(indio_dev);
- iio_triggered_buffer_cleanup(indio_dev);

return 0;
}
--
2.31.0