The usage of of_device_get_match_data reduce the code size a bit.
Furthermore, it prevents an improbable dereference when
of_match_device() return NULL.
Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
---
drivers/iio/adc/sun4i-gpadc-iio.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c
index c4e70f1cad79..04d7147e0110 100644
--- a/drivers/iio/adc/sun4i-gpadc-iio.c
+++ b/drivers/iio/adc/sun4i-gpadc-iio.c
@@ -501,17 +501,15 @@ static int sun4i_gpadc_probe_dt(struct platform_device *pdev,
struct iio_dev *indio_dev)
{
struct sun4i_gpadc_iio *info = iio_priv(indio_dev);
- const struct of_device_id *of_dev;
struct resource *mem;
void __iomem *base;
int ret;
- of_dev = of_match_device(sun4i_gpadc_of_id, &pdev->dev);
- if (!of_dev)
+ info->data = of_device_get_match_data(&pdev->dev);
+ if (!info->data)
return -ENODEV;
info->no_irq = true;
- info->data = (struct gpadc_data *)of_dev->data;
indio_dev->num_channels = ARRAY_SIZE(sun8i_a33_gpadc_channels);
indio_dev->channels = sun8i_a33_gpadc_channels;
--
2.13.6
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