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Commit 0d87a4aa authored by Corentin Labbe's avatar Corentin Labbe Committed by Jonathan Cameron
Browse files

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: default avatarCorentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 724330a9

drivers/iio/adc/sun4i-gpadc-iio.c

+2 −4
Original line number Diff line number Diff line
@@ -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;