Re: [PATCH v5 12/12] media: rcar-vin: Fold event notifier into only user

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Hi Niklas,

Thank you for the patch.

On Fri, Jun 06, 2025 at 08:26:06PM +0200, Niklas Söderlund wrote:
> With Gen2 converted to use the common media device there is only one
> caller left for the helper to notify a video device of an event, fold it
> in.
> 
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
> ---
> * Changes since v4
> - Broken out from larger patch.
> ---
>  .../platform/renesas/rcar-vin/rcar-v4l2.c     | 20 +++++++------------
>  1 file changed, 7 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-v4l2.c b/drivers/media/platform/renesas/rcar-vin/rcar-v4l2.c
> index 2bf94bd77c24..59b01cb0628a 100644
> --- a/drivers/media/platform/renesas/rcar-vin/rcar-v4l2.c
> +++ b/drivers/media/platform/renesas/rcar-vin/rcar-v4l2.c
> @@ -656,18 +656,6 @@ void rvin_v4l2_unregister(struct rvin_dev *vin)
>  	video_unregister_device(&vin->vdev);
>  }
>  
> -static void rvin_notify_video_device(struct rvin_dev *vin,
> -				     unsigned int notification, void *arg)
> -{
> -	switch (notification) {
> -	case V4L2_DEVICE_NOTIFY_EVENT:
> -		v4l2_event_queue(&vin->vdev, arg);
> -		break;
> -	default:
> -		break;
> -	}
> -}
> -
>  static void rvin_notify(struct v4l2_subdev *sd,
>  			unsigned int notification, void *arg)
>  {
> @@ -693,7 +681,13 @@ static void rvin_notify(struct v4l2_subdev *sd,
>  		if (remote != sd)
>  			continue;
>  
> -		rvin_notify_video_device(vin, notification, arg);
> +		switch (notification) {
> +		case V4L2_DEVICE_NOTIFY_EVENT:
> +			v4l2_event_queue(&vin->vdev, arg);
> +			break;
> +		default:
> +			break;
> +		}

How about

		if (notification == V4L2_DEVICE_NOTIFY_EVENT)
			v4l2_event_queue(&vin->vdev, arg);

Unless you expect more notifications to be handled later ?

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

>  	}
>  }
>  

-- 
Regards,

Laurent Pinchart




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