iio: adis16209: Use Managed device functions

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@analog.com>
Link: https://lore.kernel.org/r/20200915120258.161587-3-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/accel/adis16209.c b/drivers/iio/accel/adis16209.c
index 3d5538e2f76ed0cbd76bb33d6bc5cf032f761bc7..4a841aec6268b2e44c2fca6a477b4d4effe96601 100644 (file)
--- a/drivers/iio/accel/adis16209.c
+++ b/drivers/iio/accel/adis16209.c
@@ -291,33 +291,15 @@ static int adis16209_probe(struct spi_device *spi)
        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;
 
        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 adis16209_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 struct spi_driver adis16209_driver = {
@@ -325,7 +307,6 @@ static struct spi_driver adis16209_driver = {
                .name = "adis16209",
        },
        .probe = adis16209_probe,
-       .remove = adis16209_remove,
 };
 module_spi_driver(adis16209_driver);