iio:adc:ad7476: Fix remove handling

This driver was in an odd half way state between devm based cleanup
and manual cleanup (most of which was missing).
I would guess something went wrong with a rebase or similar.
Anyhow, this basically finishes the job as a precursor to improving
the regulator handling.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fixes: 4bb2b8f94ace3 ("iio: adc: ad7476: implement devm_add_action_or_reset")
Cc: Michael Hennerich <michael.hennerich@analog.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210401171759.318140-2-jic23@kernel.org

diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
index 1740271..9e9ff07 100644 (file)
--- a/drivers/iio/adc/ad7476.c
+++ b/drivers/iio/adc/ad7476.c
@@ -321,25 +321,15 @@ static int ad7476_probe(struct spi_device *spi)
        spi_message_init(&st->msg);
        spi_message_add_tail(&st->xfer, &st->msg);
 
-       ret = iio_triggered_buffer_setup(indio_dev, NULL,
-                       &ad7476_trigger_handler, NULL);
+       ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev, NULL,
+                                             &ad7476_trigger_handler, NULL);
        if (ret)
-               goto error_disable_reg;
+               return ret;
 
        if (st->chip_info->reset)
                st->chip_info->reset(st);
 
-       ret = iio_device_register(indio_dev);
-       if (ret)
-               goto error_ring_unregister;
-       return 0;
-
-error_ring_unregister:
-       iio_triggered_buffer_cleanup(indio_dev);
-error_disable_reg:
-       regulator_disable(st->reg);
-
-       return ret;
+       return devm_iio_device_register(&spi->dev, indio_dev);
 }
 
 static const struct spi_device_id ad7476_id[] = {