staging:iio:adc:ad7280a: Use a local dev pointer to avoid &spi->dev

We use this a few times already and it is about to get worse, so
introduce a local variable to simplify things.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://lore.kernel.org/r/20220206190328.333093-14-jic23@kernel.org

diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index 8635a12..df4a03f 100644 (file)
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -955,11 +955,12 @@ static const struct ad7280_platform_data ad7793_default_pdata = {
 static int ad7280_probe(struct spi_device *spi)
 {
        const struct ad7280_platform_data *pdata = dev_get_platdata(&spi->dev);
+       struct device *dev = &spi->dev;
        struct ad7280_state *st;
        int ret;
        struct iio_dev *indio_dev;
 
-       indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+       indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
        if (!indio_dev)
                return -ENOMEM;
 
@@ -991,7 +992,7 @@ static int ad7280_probe(struct spi_device *spi)
        st->aux_threshhigh = 0xFF;
        st->acquisition_time = pdata->acquisition_time;
 
-       ret = devm_add_action_or_reset(&spi->dev, ad7280_sw_power_down, st);
+       ret = devm_add_action_or_reset(dev, ad7280_sw_power_down, st);
        if (ret)
                return ret;
 
@@ -1020,7 +1021,7 @@ static int ad7280_probe(struct spi_device *spi)
                if (ret)
                        return ret;
 
-               ret = devm_request_threaded_irq(&spi->dev, spi->irq,
+               ret = devm_request_threaded_irq(dev, spi->irq,
                                                NULL,
                                                ad7280_event_handler,
                                                IRQF_TRIGGER_FALLING |
@@ -1035,7 +1036,7 @@ static int ad7280_probe(struct spi_device *spi)
                indio_dev->info = &ad7280_info_no_irq;
        }
 
-       return devm_iio_device_register(&spi->dev, indio_dev);
+       return devm_iio_device_register(dev, indio_dev);
 }
 
 static const struct spi_device_id ad7280_id[] = {