On Thursday 17 March 2011 22:00:23 Jonathan Cameron wrote:
> @@ -264,10 +264,25 @@ static inline void *iio_dev_get_devdata(struct iio_dev *d)
> return d->dev_data;
> }
>
> +
> +/* Can we make this smaller? */
> +#define IIO_ALIGN L1_CACHE_BYTES
> /**
> * iio_allocate_device() - allocate an iio_dev from a driver
> + * @sizeof_priv: Space to allocate for private structure.
> **/
> -struct iio_dev *iio_allocate_device(void);
> +struct iio_dev *iio_allocate_device(int sizeof_priv);
> +
> +static inline void *iio_priv(const struct iio_dev *dev)
> +{
> + return (char *)dev + ALIGN(sizeof(struct iio_dev), IIO_ALIGN);
> +}
> +
> +static inline struct iio_dev *iio_priv_to_dev(void *priv)
> +{
> + return (struct iio_dev *)((char *)priv -
> + ALIGN(sizeof(struct iio_dev), IIO_ALIGN));
> +}
>
> /**
> * iio_free_device() - free an iio_dev from a driver
I was actually thinking you'd just assign iio_dev->dev_data to
the private data, but this works, too.
Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-iio" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
