[PATCH 08/13] iio: adc: ad7791: add dev variable
From: Antoniu Miclaus
Date: Mon Mar 30 2026 - 07:22:13 EST
Add a local struct device pointer to simplify repeated &spi->dev
dereferences throughout the probe function.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>
---
drivers/iio/adc/ad7791.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c
index 041fc25e3209..ab1ab0d88492 100644
--- a/drivers/iio/adc/ad7791.c
+++ b/drivers/iio/adc/ad7791.c
@@ -407,7 +407,8 @@ static void ad7791_reg_disable(void *reg)
static int ad7791_probe(struct spi_device *spi)
{
- const struct ad7791_platform_data *pdata = dev_get_platdata(&spi->dev);
+ struct device *dev = &spi->dev;
+ const struct ad7791_platform_data *pdata = dev_get_platdata(dev);
struct iio_dev *indio_dev;
struct ad7791_state *st;
int ret;
@@ -417,13 +418,13 @@ static int ad7791_probe(struct spi_device *spi)
return -ENXIO;
}
- indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
- st->reg = devm_regulator_get(&spi->dev, "refin");
+ st->reg = devm_regulator_get(dev, "refin");
if (IS_ERR(st->reg))
return PTR_ERR(st->reg);
@@ -431,7 +432,7 @@ static int ad7791_probe(struct spi_device *spi)
if (ret)
return ret;
- ret = devm_add_action_or_reset(&spi->dev, ad7791_reg_disable, st->reg);
+ ret = devm_add_action_or_reset(dev, ad7791_reg_disable, st->reg);
if (ret)
return ret;
@@ -447,7 +448,7 @@ static int ad7791_probe(struct spi_device *spi)
else
indio_dev->info = &ad7791_no_filter_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;
@@ -455,7 +456,7 @@ static int ad7791_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 ad7791_spi_ids[] = {
--
2.43.0