diff options
author | Jonathan Cameron <jic23@kernel.org> | 2011-12-05 22:18:27 +0000 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-12-08 12:13:57 -0800 |
commit | f32971ce0a008979f85e16a5090790e94eea9e9b (patch) | |
tree | f02850aa2e3bd3739c5f29ed43fff3ee773ab7c3 /drivers/staging/iio | |
parent | c0e9e6ba3488d6680600d6cad7fea5252c6f1dae (diff) |
staging:iio:buffer stop allowing for read_last callback.
No longer needed now we don't allow sysfs acccess to buffer data.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio')
-rw-r--r-- | drivers/staging/iio/buffer.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/staging/iio/buffer.h b/drivers/staging/iio/buffer.h index 98e9efa0cdba..72723334f783 100644 --- a/drivers/staging/iio/buffer.h +++ b/drivers/staging/iio/buffer.h @@ -21,7 +21,6 @@ struct iio_buffer; * @mark_in_use: reference counting, typically to prevent module removal * @unmark_in_use: reduce reference count when no longer using buffer * @store_to: actually store stuff to the buffer - * @read_last: get the last element stored * @read_first_n: try to get a specified number of elements (must exist) * @mark_param_change: notify buffer that some relevant parameter has changed * Often this means the underlying storage may need to @@ -48,7 +47,6 @@ struct iio_buffer_access_funcs { void (*unmark_in_use)(struct iio_buffer *buffer); int (*store_to)(struct iio_buffer *buffer, u8 *data, s64 timestamp); - int (*read_last)(struct iio_buffer *buffer, u8 *data); int (*read_first_n)(struct iio_buffer *buffer, size_t n, char __user *buf); |