From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EABBA145B1D for ; Mon, 26 Aug 2024 10:59:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724669973; cv=none; b=cLiqba/pAMmZ4gJlZlE9wuRXCRR7GOUFpJW23Gnv2tu92UkZAQd0MebBQun1WKE57D+VZOTPI5F6CFEXn/GDpSdAmIG63NVWGZG6LqQIi9mqi79tgm/neNUI3BGjHvKfKaBO5INUu8GSv1ZGfjwA52l7cqGmOnVUCJL4eueHLnk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724669973; c=relaxed/simple; bh=ExP3iZcuG4zTl1aQSBzUyD1/WbTZZomnCGnoIul1oTo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=M+TG1Qphz3KcUfpYfLQKC8mCn/PNir7o98owoMtH+OPE7bvZHKEBcsqNrBKoDunVJF4fTb3qJYVb2xBXCzkkf0wOuxQq9Zyqf7EmQ7mrwfSXZLLXyrr66lfnsvZnMHjiUWF5B7L6AE5cudSUyKZr5MxtgvKRuDElWmEtv1bcPtA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=UgJV+MqF; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="UgJV+MqF" Received: from [192.168.88.20] (91-156-87-48.elisa-laajakaista.fi [91.156.87.48]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 2CC206CA; Mon, 26 Aug 2024 12:58:24 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1724669904; bh=ExP3iZcuG4zTl1aQSBzUyD1/WbTZZomnCGnoIul1oTo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=UgJV+MqFnVyoHItFQwRoxnhuhx8zVI9cy4UTIR4X6abMEZGP1CIqOGIYZCXFYwPH1 +US1GEgaDd0tGCebK3dHzVp4GVdpMmcxD+UnnhE+DyEQosZTv4gOD6Sgd3Qw657fOy AeCvnlspWg36we2ipy+XqpJMXgiXki1OiC9gYpOY= Message-ID: <1fae7064-65af-4284-bd47-e29bd00027bd@ideasonboard.com> Date: Mon, 26 Aug 2024 13:59:27 +0300 Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/7] media: sun4i_csi: Implement link validate for sun4i_csi subdev To: Laurent Pinchart , linux-media@vger.kernel.org Cc: Chen-Yu Tsai , Eugen Hristev , Hans Verkuil , Jacopo Mondi , Kieran Bingham , Maxime Ripard , Sakari Ailus , linux-renesas-soc@vger.kernel.org, linux-sunxi@lists.linux.dev, stable@vger.kernel.org References: <20240822154531.25912-1-laurent.pinchart+renesas@ideasonboard.com> <20240822154531.25912-3-laurent.pinchart+renesas@ideasonboard.com> Content-Language: en-US From: Tomi Valkeinen Autocrypt: addr=tomi.valkeinen@ideasonboard.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi, On 22/08/2024 18:45, Laurent Pinchart wrote: > The sun4i_csi driver doesn't implement link validation for the subdev it > registers, leaving the link between the subdev and its source > unvalidated. Fix it, using the v4l2_subdev_link_validate() helper. > > Fixes: 577bbf23b758 ("media: sunxi: Add A10 CSI driver") > Cc: stable@vger.kernel.org > Signed-off-by: Laurent Pinchart > Acked-by: Chen-Yu Tsai > --- > drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c > index 097a3a08ef7d..dbb26c7b2f8d 100644 > --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c > +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c > @@ -39,6 +39,10 @@ static const struct media_entity_operations sun4i_csi_video_entity_ops = { > .link_validate = v4l2_subdev_link_validate, > }; > > +static const struct media_entity_operations sun4i_csi_subdev_entity_ops = { > + .link_validate = v4l2_subdev_link_validate, > +}; > + > static int sun4i_csi_notify_bound(struct v4l2_async_notifier *notifier, > struct v4l2_subdev *subdev, > struct v4l2_async_connection *asd) > @@ -214,6 +218,7 @@ static int sun4i_csi_probe(struct platform_device *pdev) > subdev->internal_ops = &sun4i_csi_subdev_internal_ops; > subdev->flags = V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; > subdev->entity.function = MEDIA_ENT_F_VID_IF_BRIDGE; > + subdev->entity.ops = &sun4i_csi_subdev_entity_ops; > subdev->owner = THIS_MODULE; > snprintf(subdev->name, sizeof(subdev->name), "sun4i-csi-0"); > v4l2_set_subdevdata(subdev, csi); Reviewed-by: Tomi Valkeinen Tomi