Subject: [PATCH 3/4] [media] media: use entity.graph_obj.mdev instead of .parent

From: [email-masked] (Hans Verkuil)
Date: Thu, 20 Aug 2015 14:43:11 +0200

On 08/19/15 17:35, Javier Martinez Canillas wrote:
> The struct media_entity has a .parent field that stores a pointer
> to the parent struct media_device. But recently a media_gobj was
> embedded into the entities and since struct media_gojb already has
> a pointer to a struct media_device in the .mdev field, the .parent
> field becomes redundant and can be removed.
> 
> This patch replaces all the usage of .parent by .graph_obj.mdev so
> that field will become unused and can be removed on a later patch.
> 
> No functional changes.
> 
> The transformation was made using the following coccinelle spatch:
> 
> @@
> struct media_entity *me;
> @@
> 
> - me->parent
> + me->graph_obj.mdev
> 
> @@
> struct media_entity *link;
> @@
> 
> - link->source->entity->parent
> + link->source->entity->graph_obj.mdev
> 
> @@
> struct exynos_video_entity *ve;
> @@
> 
> - ve->vdev.entity.parent
> + ve->vdev.entity.graph_obj.mdev
> 
> Suggested-by: Mauro Carvalho Chehab <[email-masked]>
> Signed-off-by: Javier Martinez Canillas <[email-masked]>

Acked-by: Hans Verkuil <[email-masked]>

Regards,

	Hans