On Tue, 15 Sep 2020 11:33:38 +0200
Nuno Sá <nuno...@analog.com> wrote:
> 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.
>
> Signed-off-by: Nuno Sá <nuno...@analog.com>
> ---
> drivers/iio/gyro/adis16136.c | 9 ++-------
> 1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/iio/gyro/adis16136.c b/drivers/iio/gyro/adis16136.c
> index d8a96f6bbae2..a4b060d9d23f 100644
> --- a/drivers/iio/gyro/adis16136.c
> +++ b/drivers/iio/gyro/adis16136.c
> @@ -552,13 +552,13 @@ static int adis16136_probe(struct spi_device *spi)
> if (ret)
> return ret;
>
> - ret = adis_setup_buffer_and_trigger(&adis16136->adis, indio_dev, NULL);
> + ret = devm_adis_setup_buffer_and_trigger(&adis16136->adis, indio_dev,
> NULL);
> if (ret)
> return ret;
>
> ret = adis16136_initial_setup(indio_dev);
> if (ret)
> - goto error_cleanup_buffer;
> + return ret;
>
> ret = iio_device_register(indio_dev);
> if (ret)
> @@ -570,21 +570,16 @@ static int adis16136_probe(struct spi_device *spi)
>
> error_stop_device:
> adis16136_stop_device(indio_dev);
> -error_cleanup_buffer:
> - adis_cleanup_buffer_and_trigger(&adis16136->adis, indio_dev);
> return ret;
> }
>
> static int adis16136_remove(struct spi_device *spi)
> {
> struct iio_dev *indio_dev = spi_get_drvdata(spi);
> - struct adis16136 *adis16136 = iio_priv(indio_dev);
>
> iio_device_unregister(indio_dev);
> adis16136_stop_device(indio_dev);
As adis16136_stop_device() is always run in remove, I'd suggest using
devm_add_action_or_reset at appropriate place in probe to use
the automated unrolling for that as well, letting you get rid of this
remove function.
>
> - adis_cleanup_buffer_and_trigger(&adis16136->adis, indio_dev);
> -
> return 0;
> }
>
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