[PATCH 16/19] staging:iio:buffer stop allowing for read_last callback.

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No longer needed now we don't allow sysfs acccess to buffer data.

Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Acked-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
 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 98e9efa..7272333 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);
-- 
1.7.7.4

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