linux-kernel - Re: [PATCHv2 7/8] videobuf2: handle V4L2_MEMORY_FLAG_NON

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Date:   Sat, 1 May 2021 12:48:45 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     Tomasz Figa <tfiga@...omium.org>,
        Ricardo Ribalda <ribalda@...omium.org>,
        Christoph Hellwig <hch@....de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 7/8] videobuf2: handle V4L2_MEMORY_FLAG_NON_COHERENT
 flag

On (21/04/27 22:13), Sergey Senozhatsky wrote:
[..]
> diff --git a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst b/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst
> index e59306aba2b0..5a047c0ec3e8 100644
> --- a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst
> +++ b/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst
> @@ -104,10 +104,14 @@ aborting or finishing any DMA in progress, an implicit
>  	``V4L2_MEMORY_MMAP`` and ``type`` set to the buffer type. This will
>  	free any previously allocated buffers, so this is typically something
>  	that will be done at the start of the application.
> -    * - __u32
> -      - ``reserved``\ [1]
> -      - A place holder for future extensions. Drivers and applications
> -	must set the array to zero.
> +    * - __u8
> +      - ``flags``
> +      - Specifies additional buffer management attributes.
> +	See :ref:`memory-flags`.
> +    * - __u8
> +      - ``reserved``\ [3]
> +      - Reserved for future extensions.
> +      -

A fix (one liner). Sorry.

---
 Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst b/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst
index 5a047c0ec3e8..099fa6695167 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst
@@ -111,7 +111,6 @@ aborting or finishing any DMA in progress, an implicit
     * - __u8
       - ``reserved``\ [3]
       - Reserved for future extensions.
-      -
 
 .. _v4l2-buf-capabilities:
 .. _V4L2-BUF-CAP-SUPPORTS-MMAP:
-- 
2.31.1.527.g47e6f16901-goog