[PATCH v2 09/10] staging: iio: adis16240: Use Managed device functions

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Use the adis managed device functions to setup the buffer and the trigger.
The ultimate goal will be to completely drop the non devm version from
the lib.

Since we are here, drop the `.remove` callback by further using devm
functions.

Signed-off-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
---

Changes in v2:
* Further use devm functions to keep cleanup order and to drop `.remove`.

 drivers/staging/iio/accel/adis16240.c | 25 +++----------------------
 1 file changed, 3 insertions(+), 22 deletions(-)

diff --git a/drivers/staging/iio/accel/adis16240.c b/drivers/staging/iio/accel/adis16240.c
index 38ec40b458c9..5064adce5f58 100644
--- a/drivers/staging/iio/accel/adis16240.c
+++ b/drivers/staging/iio/accel/adis16240.c
@@ -415,35 +415,17 @@ static int adis16240_probe(struct spi_device *spi)
 	ret = adis_init(st, indio_dev, spi, &adis16240_data);
 	if (ret)
 		return ret;
-	ret = adis_setup_buffer_and_trigger(st, indio_dev, NULL);
+	ret = devm_adis_setup_buffer_and_trigger(st, indio_dev, NULL);
 	if (ret)
 		return ret;
 
 	/* Get the device into a sane initial state */
 	ret = adis_initial_startup(st);
 	if (ret)
-		goto error_cleanup_buffer_trigger;
-	ret = iio_device_register(indio_dev);
-	if (ret)
-		goto error_cleanup_buffer_trigger;
-	return 0;
-
-error_cleanup_buffer_trigger:
-	adis_cleanup_buffer_and_trigger(st, indio_dev);
-	return ret;
-}
-
-static int adis16240_remove(struct spi_device *spi)
-{
-	struct iio_dev *indio_dev = spi_get_drvdata(spi);
-	struct adis *st = iio_priv(indio_dev);
-
-	iio_device_unregister(indio_dev);
-	adis_cleanup_buffer_and_trigger(st, indio_dev);
+		return ret;
 
-	return 0;
+	return devm_iio_device_register(&spi->dev, indio_dev);
 }
-
 static const struct of_device_id adis16240_of_match[] = {
 	{ .compatible = "adi,adis16240" },
 	{ },
@@ -456,7 +438,6 @@ static struct spi_driver adis16240_driver = {
 		.of_match_table = adis16240_of_match,
 	},
 	.probe = adis16240_probe,
-	.remove = adis16240_remove,
 };
 module_spi_driver(adis16240_driver);
 
-- 
2.28.0

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