diff options
Diffstat (limited to 'drivers/iio/adc/ad7923.c')
-rw-r--r-- | drivers/iio/adc/ad7923.c | 47 |
1 files changed, 13 insertions, 34 deletions
diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c index a2cc96658054..9a649745cd0a 100644 --- a/drivers/iio/adc/ad7923.c +++ b/drivers/iio/adc/ad7923.c @@ -192,12 +192,6 @@ static int ad7923_update_scan_mode(struct iio_dev *indio_dev, return 0; } -/* - * ad7923_trigger_handler() bh of trigger launched polling to ring buffer - * - * Currently there is no option in this driver to disable the saving of - * timestamps within the ring. - */ static irqreturn_t ad7923_trigger_handler(int irq, void *p) { struct iio_poll_func *pf = p; @@ -293,6 +287,13 @@ static const struct iio_info ad7923_info = { .update_scan_mode = ad7923_update_scan_mode, }; +static void ad7923_regulator_disable(void *data) +{ + struct ad7923_state *st = data; + + regulator_disable(st->reg); +} + static int ad7923_probe(struct spi_device *spi) { struct ad7923_state *st; @@ -306,8 +307,6 @@ static int ad7923_probe(struct spi_device *spi) st = iio_priv(indio_dev); - spi_set_drvdata(spi, indio_dev); - st->spi = spi; st->settings = AD7923_CODING | AD7923_RANGE | AD7923_PM_MODE_WRITE(AD7923_PM_MODE_OPS); @@ -340,35 +339,16 @@ static int ad7923_probe(struct spi_device *spi) if (ret) return ret; - ret = iio_triggered_buffer_setup(indio_dev, NULL, - &ad7923_trigger_handler, NULL); + ret = devm_add_action_or_reset(&spi->dev, ad7923_regulator_disable, st); if (ret) - goto error_disable_reg; + return ret; - ret = iio_device_register(indio_dev); + ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev, NULL, + &ad7923_trigger_handler, NULL); if (ret) - goto error_cleanup_ring; - - return 0; - -error_cleanup_ring: - iio_triggered_buffer_cleanup(indio_dev); -error_disable_reg: - regulator_disable(st->reg); - - return ret; -} - -static int ad7923_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct ad7923_state *st = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - iio_triggered_buffer_cleanup(indio_dev); - regulator_disable(st->reg); + return ret; - return 0; + return devm_iio_device_register(&spi->dev, indio_dev); } static const struct spi_device_id ad7923_id[] = { @@ -401,7 +381,6 @@ static struct spi_driver ad7923_driver = { .of_match_table = ad7923_of_match, }, .probe = ad7923_probe, - .remove = ad7923_remove, .id_table = ad7923_id, }; module_spi_driver(ad7923_driver); |