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Commit e4e8b776 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Greg Kroah-Hartman
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iio: Add iio_device_get() 



This patch add the iio_device_get() function, which increases the reference
count of a iio device. The matching function to decrease the reference count -
iio_device_put() - already exists.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Acked-by: default avatarJonathan Cameron <jic23@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 44dd5b02

include/linux/iio/iio.h

+11 −0
Original line number Diff line number Diff line
@@ -438,6 +438,17 @@ static inline struct iio_dev *dev_to_iio_dev(struct device *dev) 
	return container_of(dev, struct iio_dev, dev);

}



/**

 * iio_device_get() - increment reference count for the device

 * @indio_dev: IIO device structure

 *

 * Returns: The passed IIO device

 **/

static inline struct iio_dev *iio_device_get(struct iio_dev *indio_dev)

{

	return indio_dev ? dev_to_iio_dev(get_device(&indio_dev->dev)) : NULL;

}



/* Can we make this smaller? */

#define IIO_ALIGN L1_CACHE_BYTES

/**