[PATCH 04/13] iio: adc: ad7793: add dev variable

[Antoniu Miclaus <antoniu.miclaus@analog.com>]

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/ad7793.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
index 8ff7b70d6632..21c667e37b31 100644
--- a/drivers/iio/adc/ad7793.c
+++ b/drivers/iio/adc/ad7793.c
@@ -774,7 +774,8 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
 
 static int ad7793_probe(struct spi_device *spi)
 {
-	const struct ad7793_platform_data *pdata = dev_get_platdata(&spi->dev);
+	struct device *dev = &spi->dev;
+	const struct ad7793_platform_data *pdata = dev_get_platdata(dev);
 	struct ad7793_state *st;
 	struct iio_dev *indio_dev;
 	int ret, vref_mv = 0;
@@ -789,7 +790,7 @@ static int ad7793_probe(struct spi_device *spi)
 		return -ENODEV;
 	}
 
-	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+	indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
 	if (indio_dev == NULL)
 		return -ENOMEM;
 
@@ -798,7 +799,7 @@ static int ad7793_probe(struct spi_device *spi)
 	ad_sd_init(&st->sd, indio_dev, spi, &ad7793_sigma_delta_info);
 
 	if (pdata->refsel != AD7793_REFSEL_INTERNAL) {
-		ret = devm_regulator_get_enable_read_voltage(&spi->dev, "refin");
+		ret = devm_regulator_get_enable_read_voltage(dev, "refin");
 		if (ret < 0)
 			return ret;
 
@@ -816,7 +817,7 @@ static int ad7793_probe(struct spi_device *spi)
 	indio_dev->num_channels = st->chip_info->num_channels;
 	indio_dev->info = st->chip_info->iio_info;
 
-	ret = devm_ad_sd_setup_buffer_and_trigger(&spi->dev, indio_dev);
+	ret = devm_ad_sd_setup_buffer_and_trigger(dev, indio_dev);
 	if (ret)
 		return ret;
 
@@ -824,7 +825,7 @@ static int ad7793_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
-	return devm_iio_device_register(&spi->dev, indio_dev);
+	return devm_iio_device_register(dev, indio_dev);
 }
 
 static const struct spi_device_id ad7793_id[] = {
-- 
2.43.0