iio: adis16260: 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/20200915120258.161587-5-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/gyro/adis16260.c b/drivers/iio/gyro/adis16260.c
index e638d56e1574dc61180a4f37fe8e85ca25a0da98..e7c9a3e31c45ad4cb03f37729ee3c7be4afe9c48 100644 (file)
--- a/drivers/iio/gyro/adis16260.c
+++ b/drivers/iio/gyro/adis16260.c
@@ -359,6 +359,11 @@ static const struct adis_data adis16260_data = {
                BIT(ADIS16260_DIAG_STAT_POWER_LOW_BIT),
 };
 
+static void adis16260_stop(void *data)
+{
+       adis16260_stop_device(data);
+}
+
 static int adis16260_probe(struct spi_device *spi)
 {
        const struct spi_device_id *id;
@@ -390,35 +395,20 @@ static int adis16260_probe(struct spi_device *spi)
        if (ret)
                return ret;
 
-       ret = adis_setup_buffer_and_trigger(&adis16260->adis, indio_dev, NULL);
+       ret = devm_adis_setup_buffer_and_trigger(&adis16260->adis, indio_dev, NULL);
        if (ret)
                return ret;
 
        /* Get the device into a sane initial state */
        ret = adis_initial_startup(&adis16260->adis);
        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(&adis16260->adis, indio_dev);
-       return ret;
-}
-
-static int adis16260_remove(struct spi_device *spi)
-{
-       struct iio_dev *indio_dev = spi_get_drvdata(spi);
-       struct adis16260 *adis16260 = iio_priv(indio_dev);
+               return ret;
 
-       iio_device_unregister(indio_dev);
-       adis16260_stop_device(indio_dev);
-       adis_cleanup_buffer_and_trigger(&adis16260->adis, indio_dev);
+       ret = devm_add_action_or_reset(&spi->dev, adis16260_stop, indio_dev);
+       if (ret)
+               return ret;
 
-       return 0;
+       return devm_iio_device_register(&spi->dev, indio_dev);
 }
 
 /*
@@ -441,7 +431,6 @@ static struct spi_driver adis16260_driver = {
                .name = "adis16260",
        },
        .probe = adis16260_probe,
-       .remove = adis16260_remove,
        .id_table = adis16260_id,
 };
 module_spi_driver(adis16260_driver);