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authorHans Verkuil <hverkuil@xs4all.nl>2019-01-16 09:46:26 -0200
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-01-21 15:45:31 -0200
commit07b8fd86556c64e8424f198f1b6a75ca194520f9 (patch)
treef5e106e386385330cbdf1b917a50b97f3c99f6b4 /Documentation/media
parent04ee6d614c0dbe4350c61e8909c2ca01e364884d (diff)
downloadlinux-07b8fd86556c64e8424f198f1b6a75ca194520f9.tar.bz2
media: vidioc-prepare-buf.rst: drop reference to NO_CACHE flags
This was never implemented, so do not document this. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'Documentation/media')
-rw-r--r--Documentation/media/uapi/v4l/vidioc-prepare-buf.rst5
1 files changed, 1 insertions, 4 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-prepare-buf.rst b/Documentation/media/uapi/v4l/vidioc-prepare-buf.rst
index 60986710967b..7c6b5f4e1011 100644
--- a/Documentation/media/uapi/v4l/vidioc-prepare-buf.rst
+++ b/Documentation/media/uapi/v4l/vidioc-prepare-buf.rst
@@ -43,10 +43,7 @@ Applications can optionally call the :ref:`VIDIOC_PREPARE_BUF` ioctl to
pass ownership of the buffer to the driver before actually enqueuing it,
using the :ref:`VIDIOC_QBUF <VIDIOC_QBUF>` ioctl, and to prepare it for future I/O. Such
preparations may include cache invalidation or cleaning. Performing them
-in advance saves time during the actual I/O. In case such cache
-operations are not required, the application can use one of
-``V4L2_BUF_FLAG_NO_CACHE_INVALIDATE`` and
-``V4L2_BUF_FLAG_NO_CACHE_CLEAN`` flags to skip the respective step.
+in advance saves time during the actual I/O.
The struct :c:type:`v4l2_buffer` structure is specified in
:ref:`buffer`.