Commit f32971ce authored by Jonathan Cameron's avatar Jonathan Cameron Committed by Greg Kroah-Hartman
Browse files

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: default avatarJonathan Cameron <jic23@kernel.org>
Acked-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent c0e9e6ba

drivers/staging/iio/buffer.h

+0 −2
Original line number Diff line number Diff line
@@ -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);