linux-kernel - Re: [PATCH] media: staging/imx: fill vb2_v4l2

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Date:   Wed, 14 Mar 2018 11:31:15 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Peter Seiderer <ps.report@....net>
Cc:     linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Steve Longerbeam <slongerbeam@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: Re: [PATCH] media: staging/imx: fill vb2_v4l2_buffer sequence entry

We need a changelog.  How does this affect user space?  What bug does
this fix?

On Tue, Mar 13, 2018 at 09:00:54PM +0100, Peter Seiderer wrote:
> Signed-off-by: Peter Seiderer <ps.report@....net>
> ---
>  drivers/staging/media/imx/imx-media-csi.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
> index 5a195f80a24d..3a6a645b9dce 100644
> --- a/drivers/staging/media/imx/imx-media-csi.c
> +++ b/drivers/staging/media/imx/imx-media-csi.c
> @@ -111,6 +111,7 @@ struct csi_priv {
>  	struct v4l2_ctrl_handler ctrl_hdlr;
>  
>  	int stream_count; /* streaming counter */
> +	__u32 frame_sequence; /* frame sequence counter */

Use u32 because this is not a user space header.

>  	bool last_eof;   /* waiting for last EOF at stream off */
>  	bool nfb4eof;    /* NFB4EOF encountered during streaming */
>  	struct completion last_eof_comp;

regards,
dan carpenter