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author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-05-16 18:25:18 +0100 |
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committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-06-03 18:24:14 +0100 |
commit | 55364f73a600c92ee012b2dede8d130a26c58a4a (patch) | |
tree | 259b0746f31348be6ed84a1e87aaf058d19d5973 /drivers/iio/adc | |
parent | 6c100eb960e785fa327b449ba920d3e83936ae7a (diff) | |
download | linux-stable-55364f73a600c92ee012b2dede8d130a26c58a4a.tar.gz linux-stable-55364f73a600c92ee012b2dede8d130a26c58a4a.tar.bz2 linux-stable-55364f73a600c92ee012b2dede8d130a26c58a4a.zip |
iio: adc: ti-adc0832: Use devm managed functions for all of probe()
Simplifies error handling, plus allows us to drop the remove()
function entirely.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: Alexandru Ardelean <aardelean@deviqon.com>
Link: https://lore.kernel.org/r/20210516172520.1398835-7-jic23@kernel.org
Diffstat (limited to 'drivers/iio/adc')
-rw-r--r-- | drivers/iio/adc/ti-adc0832.c | 39 |
1 files changed, 12 insertions, 27 deletions
diff --git a/drivers/iio/adc/ti-adc0832.c b/drivers/iio/adc/ti-adc0832.c index 0261b3cfc92b..fb5e72600b96 100644 --- a/drivers/iio/adc/ti-adc0832.c +++ b/drivers/iio/adc/ti-adc0832.c @@ -236,6 +236,11 @@ out: return IRQ_HANDLED; } +static void adc0832_reg_disable(void *reg) +{ + regulator_disable(reg); +} + static int adc0832_probe(struct spi_device *spi) { struct iio_dev *indio_dev; @@ -287,36 +292,17 @@ static int adc0832_probe(struct spi_device *spi) if (ret) return ret; - spi_set_drvdata(spi, indio_dev); - - ret = iio_triggered_buffer_setup(indio_dev, NULL, - adc0832_trigger_handler, NULL); + ret = devm_add_action_or_reset(&spi->dev, adc0832_reg_disable, + adc->reg); if (ret) - goto err_reg_disable; + return ret; - ret = iio_device_register(indio_dev); + ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev, NULL, + adc0832_trigger_handler, NULL); if (ret) - goto err_buffer_cleanup; - - return 0; -err_buffer_cleanup: - iio_triggered_buffer_cleanup(indio_dev); -err_reg_disable: - regulator_disable(adc->reg); - - return ret; -} - -static int adc0832_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct adc0832 *adc = iio_priv(indio_dev); - - iio_device_unregister(indio_dev); - iio_triggered_buffer_cleanup(indio_dev); - regulator_disable(adc->reg); + return ret; - return 0; + return devm_iio_device_register(&spi->dev, indio_dev); } static const struct of_device_id adc0832_dt_ids[] = { @@ -343,7 +329,6 @@ static struct spi_driver adc0832_driver = { .of_match_table = adc0832_dt_ids, }, .probe = adc0832_probe, - .remove = adc0832_remove, .id_table = adc0832_id, }; module_spi_driver(adc0832_driver); |