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| author | Corentin Labbe <clabbe.montjoie@gmail.com> | 2017-10-20 07:37:29 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2017-10-21 18:48:00 +0100 |
| commit | 0d87a4aa376983a205b3920dc7a9b15d74110be9 (patch) | |
| tree | 5f16dc8e0249e6f392aca2c9260231eb37930675 /drivers/iio/adc/sun4i-gpadc-iio.c | |
| parent | 724330a9d61aa61ee20f4895302124490a452629 (diff) | |
| download | lwn-0d87a4aa376983a205b3920dc7a9b15d74110be9.tar.gz lwn-0d87a4aa376983a205b3920dc7a9b15d74110be9.zip | |
iio: adc: sun4i-gpadc: use of_device_get_match_data
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@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/adc/sun4i-gpadc-iio.c')
| -rw-r--r-- | drivers/iio/adc/sun4i-gpadc-iio.c | 6 |
1 files 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; |