From f13aa06442258275093addec9cb9ec907d82b2b5 Mon Sep 17 00:00:00 2001 From: Nuno Sá Date: Tue, 15 Sep 2020 14:02:53 +0200 Subject: iio: adis16400: Use Managed device functions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Link: https://lore.kernel.org/r/20200915120258.161587-6-nuno.sa@analog.com Signed-off-by: Jonathan Cameron --- drivers/iio/imu/adis16400.c | 38 +++++++++++++++----------------------- 1 file changed, 15 insertions(+), 23 deletions(-) diff --git a/drivers/iio/imu/adis16400.c b/drivers/iio/imu/adis16400.c index 1ebe3e50d3e6..889c8c2a19f4 100644 --- a/drivers/iio/imu/adis16400.c +++ b/drivers/iio/imu/adis16400.c @@ -1164,6 +1164,12 @@ static void adis16400_setup_chan_mask(struct adis16400_state *st) st->avail_scan_mask[0] |= BIT(ch->scan_index); } } + +static void adis16400_stop(void *data) +{ + adis16400_stop_device(data); +} + static int adis16400_probe(struct spi_device *spi) { struct adis16400_state *st; @@ -1201,37 +1207,24 @@ static int adis16400_probe(struct spi_device *spi) if (ret) return ret; - ret = adis_setup_buffer_and_trigger(&st->adis, indio_dev, - adis16400_trigger_handler); + ret = devm_adis_setup_buffer_and_trigger(&st->adis, indio_dev, adis16400_trigger_handler); if (ret) return ret; /* Get the device into a sane initial state */ ret = adis16400_initial_setup(indio_dev); if (ret) - goto error_cleanup_buffer; - ret = iio_device_register(indio_dev); - if (ret) - goto error_cleanup_buffer; - - adis16400_debugfs_init(indio_dev); - return 0; - -error_cleanup_buffer: - adis_cleanup_buffer_and_trigger(&st->adis, indio_dev); - return ret; -} - -static int adis16400_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct adis16400_state *st = iio_priv(indio_dev); + return ret; - iio_device_unregister(indio_dev); - adis16400_stop_device(indio_dev); + ret = devm_add_action_or_reset(&spi->dev, adis16400_stop, indio_dev); + if (ret) + return ret; - adis_cleanup_buffer_and_trigger(&st->adis, indio_dev); + ret = devm_iio_device_register(&spi->dev, indio_dev); + if (ret) + return ret; + adis16400_debugfs_init(indio_dev); return 0; } @@ -1261,7 +1254,6 @@ static struct spi_driver adis16400_driver = { }, .id_table = adis16400_id, .probe = adis16400_probe, - .remove = adis16400_remove, }; module_spi_driver(adis16400_driver); -- cgit v1.2.3