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authorJonathan Cameron <jic23@kernel.org>2011-12-05 22:18:27 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2011-12-08 12:13:57 -0800
commitf32971ce0a008979f85e16a5090790e94eea9e9b (patch)
treef02850aa2e3bd3739c5f29ed43fff3ee773ab7c3 /drivers/staging/iio
parentc0e9e6ba3488d6680600d6cad7fea5252c6f1dae (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.h2
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);