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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Laurent,

Thanks for your review.

On 2025-06-12 03:28:16 +0300, Laurent Pinchart wrote:
> 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 ?

I do, I have a different series that tries to notify CSI-2 errors to 
user-space with events. The series was posted in 2021 and I need to get 
back to it at some point ;-)

As this just moves the existing structure around I would prefere to keep 
it as-is for now.

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

-- 
Kind Regards,
Niklas Söderlund




[Index of Archives]     [Linux Samsung SOC]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Device Mapper]

  Powered by Linux