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iio: make iio_device_get_drvdata take a const struct iio_dev *. 

As this just calls dev_get_drvdata underneath which is happy with
a const struct device * we should change and avoid potentially
casting away a const in order to then put it back again.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Jonathan Cameron 2020-05-21 18:53:22 +01:00
parent cd64d3579d
commit 18d563858d
1 changed files with 1 additions and 1 deletions
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2
include/linux/iio/iio.h
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@ -669,7 +669,7 @@ static inline void iio_device_set_drvdata(struct iio_dev *indio_dev, void *data)
*
* Returns the data previously set with iio_device_set_drvdata()
*/
static inline void *iio_device_get_drvdata(struct iio_dev *indio_dev)
static inline void *iio_device_get_drvdata(const struct iio_dev *indio_dev)
{
return dev_get_drvdata(&indio_dev->dev);
}