Re: [RFC PATCH 05/13] soc_camera: replace vdev->parent by vdev->v4l2_dev.

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On Mon, 3 Jun 2013, Hans Verkuil wrote:

> From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> 
> The parent field will eventually disappear to be replaced by v4l2_dev.
> soc_camera does provide a v4l2_device struct but did not point to it in
> struct video_device. This is now fixed.
> 
> Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> Cc: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
> ---
>  drivers/media/platform/soc_camera/soc_camera.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c
> index 96645e9..ea951ec 100644
> --- a/drivers/media/platform/soc_camera/soc_camera.c
> +++ b/drivers/media/platform/soc_camera/soc_camera.c
> @@ -524,7 +524,7 @@ static int soc_camera_open(struct file *file)
>  		return -ENODEV;
>  	}
>  
> -	icd = dev_get_drvdata(vdev->parent);
> +	icd = dev_get_drvdata(vdev->v4l2_dev->dev);
>  	ici = to_soc_camera_host(icd->parent);
>  
>  	ret = try_module_get(ici->ops->owner) ? 0 : -ENODEV;
> @@ -1511,7 +1511,7 @@ static int video_dev_create(struct soc_camera_device *icd)
>  
>  	strlcpy(vdev->name, ici->drv_name, sizeof(vdev->name));
>  
> -	vdev->parent		= icd->pdev;
> +	vdev->v4l2_dev		= &ici->v4l2_dev;
>  	vdev->fops		= &soc_camera_fops;
>  	vdev->ioctl_ops		= &soc_camera_ioctl_ops;
>  	vdev->release		= video_device_release;

Doesn't it break soc-camera?... I think those are 2 absolutely different 
devices, so, you're not getting icd from 
dev_get_drvdata(vdev->v4l2_dev->dev).

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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