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>
---
 drivers/iio/adc/ad7292.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/iio/adc/ad7292.c b/drivers/iio/adc/ad7292.c
index a398973f313d..64d40b053582 100644
--- a/drivers/iio/adc/ad7292.c
+++ b/drivers/iio/adc/ad7292.c
@@ -253,12 +253,13 @@ static const struct iio_info ad7292_info = {
 
 static int ad7292_probe(struct spi_device *spi)
 {
+	struct device *dev = &spi->dev;
 	struct ad7292_state *st;
 	struct iio_dev *indio_dev;
 	bool diff_channels = false;
 	int ret;
 
-	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
 	if (!indio_dev)
 		return -ENOMEM;
 
@@ -271,7 +272,7 @@ static int ad7292_probe(struct spi_device *spi)
 		return -EINVAL;
 	}
 
-	ret = devm_regulator_get_enable_read_voltage(&spi->dev, "vref");
+	ret = devm_regulator_get_enable_read_voltage(dev, "vref");
 	if (ret < 0 && ret != -ENODEV)
 		return ret;
 
@@ -281,7 +282,7 @@ static int ad7292_probe(struct spi_device *spi)
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->info = &ad7292_info;
 
-	device_for_each_child_node_scoped(&spi->dev, child) {
+	device_for_each_child_node_scoped(dev, child) {
 		diff_channels = fwnode_property_read_bool(child,
 							  "diff-channels");
 		if (diff_channels)
@@ -296,7 +297,7 @@ static int ad7292_probe(struct spi_device *spi)
 		indio_dev->channels = ad7292_channels;
 	}
 
-	return devm_iio_device_register(&spi->dev, indio_dev);
+	return devm_iio_device_register(dev, indio_dev);
 }
 
 static const struct spi_device_id ad7292_id_table[] = {
-- 
2.43.0