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iio: adc: ad7292: add dev variable
Add a local struct device pointer to simplify repeated &spi->dev dereferences throughout the probe function. Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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d145e05835
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655c5e04e1
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@ -253,12 +253,13 @@ static const struct iio_info ad7292_info = {
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static int ad7292_probe(struct spi_device *spi)
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{
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struct device *dev = &spi->dev;
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struct ad7292_state *st;
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struct iio_dev *indio_dev;
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bool diff_channels = false;
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int ret;
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indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
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indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
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if (!indio_dev)
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return -ENOMEM;
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@ -271,7 +272,7 @@ static int ad7292_probe(struct spi_device *spi)
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return -EINVAL;
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}
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ret = devm_regulator_get_enable_read_voltage(&spi->dev, "vref");
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ret = devm_regulator_get_enable_read_voltage(dev, "vref");
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if (ret < 0 && ret != -ENODEV)
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return ret;
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@ -281,7 +282,7 @@ static int ad7292_probe(struct spi_device *spi)
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indio_dev->modes = INDIO_DIRECT_MODE;
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indio_dev->info = &ad7292_info;
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device_for_each_child_node_scoped(&spi->dev, child) {
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device_for_each_child_node_scoped(dev, child) {
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diff_channels = fwnode_property_read_bool(child,
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"diff-channels");
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if (diff_channels)
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@ -296,7 +297,7 @@ static int ad7292_probe(struct spi_device *spi)
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indio_dev->channels = ad7292_channels;
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}
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return devm_iio_device_register(&spi->dev, indio_dev);
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return devm_iio_device_register(dev, indio_dev);
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}
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static const struct spi_device_id ad7292_id_table[] = {
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