[PATCH 02/13] iio: adc: ad7780: add dev variable

From: Antoniu Miclaus

Date: Mon Mar 30 2026 - 07:24:32 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/ad7780.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/adc/ad7780.c b/drivers/iio/adc/ad7780.c
index 24d2dcad8f4d..4c1990e27213 100644
--- a/drivers/iio/adc/ad7780.c
+++ b/drivers/iio/adc/ad7780.c
@@ -307,11 +307,12 @@ static void ad7780_reg_disable(void *reg)

static int ad7780_probe(struct spi_device *spi)
{
+ struct device *dev = &spi->dev;
struct ad7780_state *st;
struct iio_dev *indio_dev;
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;

@@ -329,11 +330,11 @@ static int ad7780_probe(struct spi_device *spi)
indio_dev->num_channels = 1;
indio_dev->info = &ad7780_info;

- ret = ad7780_init_gpios(&spi->dev, st);
+ ret = ad7780_init_gpios(dev, st);
if (ret)
return ret;

- st->reg = devm_regulator_get(&spi->dev, "avdd");
+ st->reg = devm_regulator_get(dev, "avdd");
if (IS_ERR(st->reg))
return PTR_ERR(st->reg);

@@ -343,15 +344,15 @@ static int ad7780_probe(struct spi_device *spi)
return ret;
}

- ret = devm_add_action_or_reset(&spi->dev, ad7780_reg_disable, st->reg);
+ ret = devm_add_action_or_reset(dev, ad7780_reg_disable, st->reg);
if (ret)
return ret;

- 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;

- return devm_iio_device_register(&spi->dev, indio_dev);
+ return devm_iio_device_register(dev, indio_dev);
}

static const struct spi_device_id ad7780_id[] = {
--
2.43.0