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iio: dac: mcp4922: drop remove() callback

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By using devm_iio_device_register(), we can drop the remove() callback
in the mcp4922 driver. We can also remove spi_set_drvdata() since there
are no more callers of spi_get_drvdata(). Also use dev_err_probe()
while we are at it.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20240712-iio-regulator-refactor-round-3-v1-4-835017bae43d@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner 2024-07-12 11:03:55 -05:00 committed by Jonathan Cameron
parent ba2b35841c
commit f2e3fbc444
1 changed files with 3 additions and 14 deletions
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17
drivers/iio/dac/mcp4922.c
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@ -138,7 +138,6 @@ static int mcp4922_probe(struct spi_device *spi)
state->vref_mv = ret / 1000;
spi_set_drvdata(spi, indio_dev);
id = spi_get_device_id(spi);
indio_dev->info = &mcp4922_info;
indio_dev->modes = INDIO_DIRECT_MODE;
@ -149,22 +148,13 @@ static int mcp4922_probe(struct spi_device *spi)
indio_dev->num_channels = MCP4922_NUM_CHANNELS;
indio_dev->name = id->name;
ret = iio_device_register(indio_dev);
if (ret) {
dev_err(&spi->dev, "Failed to register iio device: %d\n",
ret);
return ret;
}
ret = devm_iio_device_register(&spi->dev, indio_dev);
if (ret)
return dev_err_probe(&spi->dev, ret, "Failed to register iio device\n");
return 0;
}
static void mcp4922_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
iio_device_unregister(indio_dev);
}
static const struct spi_device_id mcp4922_id[] = {
{"mcp4902", ID_MCP4902},
@ -180,7 +170,6 @@ static struct spi_driver mcp4922_driver = {
.name = "mcp4922",
},
.probe = mcp4922_probe,
.remove = mcp4922_remove,
.id_table = mcp4922_id,
};
module_spi_driver(mcp4922_driver);