diff options
Diffstat (limited to 'include/linux/iio/iio.h')
| -rw-r--r-- | include/linux/iio/iio.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 233d2e6b7721..5dfbfc991c69 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -9,14 +9,16 @@ #include <linux/device.h> #include <linux/cdev.h> +#include <linux/slab.h> #include <linux/iio/types.h> -#include <linux/of.h> /* IIO TODO LIST */ /* * Provide means of adjusting timer accuracy. * Currently assumes nano seconds. */ +struct of_phandle_args; + enum iio_shared_by { IIO_SEPARATE, IIO_SHARED_BY_TYPE, @@ -313,7 +315,6 @@ static inline bool iio_channel_has_available(const struct iio_chan_spec *chan, } s64 iio_get_time_ns(const struct iio_dev *indio_dev); -unsigned int iio_get_time_res(const struct iio_dev *indio_dev); /* * Device operating modes @@ -709,8 +710,13 @@ static inline void *iio_device_get_drvdata(const struct iio_dev *indio_dev) return dev_get_drvdata(&indio_dev->dev); } -/* Can we make this smaller? */ -#define IIO_ALIGN L1_CACHE_BYTES +/* + * Used to ensure the iio_priv() structure is aligned to allow that structure + * to in turn include IIO_DMA_MINALIGN'd elements such as buffers which + * must not share cachelines with the rest of the structure, thus making + * them safe for use with non-coherent DMA. + */ +#define IIO_DMA_MINALIGN ARCH_KMALLOC_MINALIGN struct iio_dev *iio_device_alloc(struct device *parent, int sizeof_priv); /* The information at the returned address is guaranteed to be cacheline aligned */ @@ -721,10 +727,13 @@ static inline void *iio_priv(const struct iio_dev *indio_dev) void iio_device_free(struct iio_dev *indio_dev); struct iio_dev *devm_iio_device_alloc(struct device *parent, int sizeof_priv); -__printf(2, 3) -struct iio_trigger *devm_iio_trigger_alloc(struct device *parent, - const char *fmt, ...); +#define devm_iio_trigger_alloc(parent, fmt, ...) \ + __devm_iio_trigger_alloc((parent), THIS_MODULE, (fmt), ##__VA_ARGS__) +__printf(3, 4) +struct iio_trigger *__devm_iio_trigger_alloc(struct device *parent, + struct module *this_mod, + const char *fmt, ...); /** * iio_get_debugfs_dentry() - helper function to get the debugfs_dentry * @indio_dev: IIO device structure for device |