staging: iio: adc: simplify getting .drvdata

We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Wolfram Sang 2018-04-19 16:06:18 +02:00 committed by Jonathan Cameron
parent ebbdcba277
commit dae013afa7

View file

@ -18,8 +18,7 @@
static int ad7606_par16_read_block(struct device *dev,
int count, void *buf)
{
struct platform_device *pdev = to_platform_device(dev);
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct ad7606_state *st = iio_priv(indio_dev);
insw((unsigned long)st->base_address, buf, count);
@ -34,8 +33,7 @@ static const struct ad7606_bus_ops ad7606_par16_bops = {
static int ad7606_par8_read_block(struct device *dev,
int count, void *buf)
{
struct platform_device *pdev = to_platform_device(dev);
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct ad7606_state *st = iio_priv(indio_dev);
insb((unsigned long)st->base_address, buf, count * 2);