linux-kernel - Re: [PATCH v9 18/22] media: uvcvideo: Downgrade control error messages

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Message-ID: <07de01a4-76d8-66db-8534-0ae5f62b2034@xs4all.nl>
Date:   Sat, 27 Mar 2021 12:19:56 +0100
From:   Hans Verkuil <hverkuil-cisco@...all.nl>
To:     Ricardo Ribalda <ribalda@...omium.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        tfiga@...omium.org
Subject: Re: [PATCH v9 18/22] media: uvcvideo: Downgrade control error
 messages

On 26/03/2021 10:58, Ricardo Ribalda wrote:
> Convert the error into a debug message, so they are still valid for
> debugging but do not fill dmesg.
> 
> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>

Reviewed-by: Hans Verkuil <hverkuil-cisco@...all.nl>

> ---
>  drivers/media/usb/uvc/uvc_video.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
> index ea2903dc3252..b63c073ec30e 100644
> --- a/drivers/media/usb/uvc/uvc_video.c
> +++ b/drivers/media/usb/uvc/uvc_video.c
> @@ -76,7 +76,7 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit,
>  	if (likely(ret == size))
>  		return 0;
>  
> -	dev_err(&dev->udev->dev,
> +	dev_dbg(&dev->udev->dev,
>  		"Failed to query (%s) UVC control %u on unit %u: %d (exp. %u).\n",
>  		uvc_query_name(query), cs, unit, ret, size);
>  
>