diff options
| author | Lucas Stankus <lucas.p.stankus@gmail.com> | 2021-03-29 00:46:04 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-03-29 14:17:41 +0300 |
| commit | 44fc4de9bd61ca2c7f5215df5321457af3bece24 (patch) | |
| tree | c59d8b2da9be4361f0b9fc39632343f026d8bf3c /drivers/iio | |
| parent | abfdfd144357e6f555db234f6a64498423a4322a (diff) | |
| download | linux-44fc4de9bd61ca2c7f5215df5321457af3bece24.tar.xz | |
iio: adc: ad7923: use devm_add_action_or_reset for regulator disable
Adds a device-managed action to handle disabling the driver's regulator on
device detach.
This slightly simplifies deinitialization and enables further conversion of
the driver to device-managed routines without breaking the init order.
Signed-off-by: Lucas Stankus <lucas.p.stankus@gmail.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/49a7c0436ca1186313dbccf3d810d0cf38cb5b37.1616966903.git.lucas.p.stankus@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/ad7923.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c index a2cc96658054..3418ef6f0857 100644 --- a/drivers/iio/adc/ad7923.c +++ b/drivers/iio/adc/ad7923.c @@ -293,6 +293,13 @@ 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; @@ -340,10 +347,14 @@ static int ad7923_probe(struct spi_device *spi) if (ret) return ret; + ret = devm_add_action_or_reset(&spi->dev, ad7923_regulator_disable, st); + if (ret) + return ret; + ret = iio_triggered_buffer_setup(indio_dev, NULL, &ad7923_trigger_handler, NULL); if (ret) - goto error_disable_reg; + return ret; ret = iio_device_register(indio_dev); if (ret) @@ -353,20 +364,15 @@ static int ad7923_probe(struct spi_device *spi) 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 0; } |