From: Jonathan Cameron Date: Mon, 5 Dec 2011 22:18:27 +0000 (+0000) Subject: staging:iio:buffer stop allowing for read_last callback. X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f32971ce0a008979f85e16a5090790e94eea9e9b;p=openwrt%2Fstaging%2Fblogic.git 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 Acked-by: Lars-Peter Clausen Signed-off-by: Greg Kroah-Hartman --- 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);