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| author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-12-21 16:57:13 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-12-28 17:17:31 +0100 |
| commit | a114a585be4f3173fe454921a0918fb7e71633b0 (patch) | |
| tree | 4fbc327d9c5f8afeaeeb5d9db8c51463615fc375 /Documentation/media/uapi/dvb/dmx-expbuf.rst | |
| parent | media: dvb uAPI docs: document mmap-related ioctls (diff) | |
| download | linux-a114a585be4f3173fe454921a0918fb7e71633b0.tar.xz linux-a114a585be4f3173fe454921a0918fb7e71633b0.zip | |
media: dvb-core: get rid of mmap reserved field
The "reserved" field was a way, used at V4L2 API, to add new
data to existing structs without breaking userspace. However,
there are now clever ways of doing that, without needing to add
an uneeded overhead. So, get rid of them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media/uapi/dvb/dmx-expbuf.rst')
| -rw-r--r-- | Documentation/media/uapi/dvb/dmx-expbuf.rst | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/Documentation/media/uapi/dvb/dmx-expbuf.rst b/Documentation/media/uapi/dvb/dmx-expbuf.rst index 51df34c6fb59..2d96cfe891df 100644 --- a/Documentation/media/uapi/dvb/dmx-expbuf.rst +++ b/Documentation/media/uapi/dvb/dmx-expbuf.rst @@ -36,8 +36,6 @@ This ioctl is an extension to the memory mapping I/O method. It can be used to export a buffer as a DMABUF file at any time after buffers have been allocated with the :ref:`DMX_REQBUFS` ioctl. -The ``reserved`` array must be zeroed before calling it. - To export a buffer, applications fill struct :c:type:`dmx_exportbuffer`. Applications must set the ``index`` field. Valid index numbers range from zero to the number of buffers allocated with :ref:`DMX_REQBUFS` |