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iio: maxim_thermocouple: Use device-managed APIs 

Use device-managed APIs to simplify the code.
The remove functions are redundant now and can
be deleted.

Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Chuhong Yuan 2019-07-26 18:49:50 +08:00 committed by Jonathan Cameron
parent 062809ef77
commit 8ecc8b2b78
1 changed files with 3 additions and 22 deletions
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25
drivers/iio/temperature/maxim_thermocouple.c
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@ -230,31 +230,13 @@ static int maxim_thermocouple_probe(struct spi_device *spi)
data->spi = spi;
data->chip = chip;
ret = iio_triggered_buffer_setup(indio_dev, NULL,
ret = devm_iio_triggered_buffer_setup(&spi->dev,
indio_dev, NULL,
maxim_thermocouple_trigger_handler, NULL);
if (ret)
return ret;
ret = iio_device_register(indio_dev);
if (ret)
goto error_unreg_buffer;
return 0;
error_unreg_buffer:
iio_triggered_buffer_cleanup(indio_dev);
return ret;
}
static int maxim_thermocouple_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
iio_device_unregister(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
return 0;
return devm_iio_device_register(&spi->dev, indio_dev);
}
static const struct spi_device_id maxim_thermocouple_id[] = {
@ -277,7 +259,6 @@ static struct spi_driver maxim_thermocouple_driver = {
.of_match_table = maxim_thermocouple_of_match,
},
.probe = maxim_thermocouple_probe,
.remove = maxim_thermocouple_remove,
.id_table = maxim_thermocouple_id,
};
module_spi_driver(maxim_thermocouple_driver);