From 07b8fd86556c64e8424f198f1b6a75ca194520f9 Mon Sep 17 00:00:00 2001 From: Hans Verkuil <hverkuil@xs4all.nl> Date: Wed, 16 Jan 2019 09:46:26 -0200 Subject: [PATCH] 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> --- Documentation/media/uapi/v4l/vidioc-prepare-buf.rst | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/Documentation/media/uapi/v4l/vidioc-prepare-buf.rst b/Documentation/media/uapi/v4l/vidioc-prepare-buf.rst index 60986710967b1..7c6b5f4e10114 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`. -- GitLab