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| author | Arturas Moskvinas <arturas.moskvinas@gmail.com> | 2024-02-19 09:41:40 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-02-28 19:26:35 +0000 |
| commit | 58efe76197c076e3d5a1d84de115f6ec9156d6fd (patch) | |
| tree | acb2154268e9d634c50fd39a1f071b525842721d /drivers | |
| parent | 3b4ebff2a1a9e87d9682db1fcd00ed5a365d3b0c (diff) | |
| download | linux-stable-58efe76197c076e3d5a1d84de115f6ec9156d6fd.tar.gz linux-stable-58efe76197c076e3d5a1d84de115f6ec9156d6fd.tar.bz2 linux-stable-58efe76197c076e3d5a1d84de115f6ec9156d6fd.zip | |
iio: adc: mcp320x: Simplify device removal logic
Use devm_* APIs to enable/disable regulator and to register in IIO infrastructure.
Signed-off-by: Arturas Moskvinas <arturas.moskvinas@gmail.com>
Link: https://lore.kernel.org/r/20240219074139.193464-2-arturas.moskvinas@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/adc/mcp320x.c | 29 |
1 files changed, 9 insertions, 20 deletions
diff --git a/drivers/iio/adc/mcp320x.c b/drivers/iio/adc/mcp320x.c index f3b81798b3c9..da1421bd7b62 100644 --- a/drivers/iio/adc/mcp320x.c +++ b/drivers/iio/adc/mcp320x.c @@ -371,6 +371,11 @@ static const struct mcp320x_chip_info mcp320x_chip_infos[] = { }, }; +static void mcp320x_regulator_disable(void *reg) +{ + regulator_disable(reg); +} + static int mcp320x_probe(struct spi_device *spi) { struct iio_dev *indio_dev; @@ -388,7 +393,6 @@ static int mcp320x_probe(struct spi_device *spi) indio_dev->name = spi_get_device_id(spi)->name; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &mcp320x_info; - spi_set_drvdata(spi, indio_dev); device_index = spi_get_device_id(spi)->driver_data; chip_info = &mcp320x_chip_infos[device_index]; @@ -445,27 +449,13 @@ static int mcp320x_probe(struct spi_device *spi) if (ret < 0) return ret; - mutex_init(&adc->lock); - - ret = iio_device_register(indio_dev); + ret = devm_add_action_or_reset(&spi->dev, mcp320x_regulator_disable, adc->reg); if (ret < 0) - goto reg_disable; - - return 0; - -reg_disable: - regulator_disable(adc->reg); - - return ret; -} + return ret; -static void mcp320x_remove(struct spi_device *spi) -{ - struct iio_dev *indio_dev = spi_get_drvdata(spi); - struct mcp320x *adc = iio_priv(indio_dev); + mutex_init(&adc->lock); - iio_device_unregister(indio_dev); - regulator_disable(adc->reg); + return devm_iio_device_register(&spi->dev, indio_dev); } static const struct of_device_id mcp320x_dt_ids[] = { @@ -520,7 +510,6 @@ static struct spi_driver mcp320x_driver = { .of_match_table = mcp320x_dt_ids, }, .probe = mcp320x_probe, - .remove = mcp320x_remove, .id_table = mcp320x_id, }; module_spi_driver(mcp320x_driver); |