[media] v4l: vsp1: Extract pipeline initialization code into a function

The code will be reused outside of vsp1_video.c.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/vsp1/vsp1_pipe.c

@@ -49,6 +49,16 @@ void vsp1_pipeline_reset(struct vsp1_pipeline *pipe)
 	pipe->uds = NULL;
 }
 
+void vsp1_pipeline_init(struct vsp1_pipeline *pipe)
+{
+	mutex_init(&pipe->lock);
+	spin_lock_init(&pipe->irqlock);
+	init_waitqueue_head(&pipe->wq);
+
+	INIT_LIST_HEAD(&pipe->entities);
+	pipe->state = VSP1_PIPELINE_STOPPED;
+}
+
 void vsp1_pipeline_run(struct vsp1_pipeline *pipe)
 {
 	struct vsp1_device *vsp1 = pipe->output->entity.vsp1;

drivers/media/platform/vsp1/vsp1_pipe.h

@@ -67,6 +67,7 @@ static inline struct vsp1_pipeline *to_vsp1_pipeline(struct media_entity *e)
 }
 
 void vsp1_pipeline_reset(struct vsp1_pipeline *pipe);
+void vsp1_pipeline_init(struct vsp1_pipeline *pipe);
 
 void vsp1_pipeline_run(struct vsp1_pipeline *pipe);
 bool vsp1_pipeline_stopped(struct vsp1_pipeline *pipe);

drivers/media/platform/vsp1/vsp1_video.c

@@ -1026,11 +1026,7 @@ struct vsp1_video *vsp1_video_create(struct vsp1_device *vsp1,
 	spin_lock_init(&video->irqlock);
 	INIT_LIST_HEAD(&video->irqqueue);
 
-	mutex_init(&video->pipe.lock);
-	spin_lock_init(&video->pipe.irqlock);
-	INIT_LIST_HEAD(&video->pipe.entities);
-	init_waitqueue_head(&video->pipe.wq);
-	video->pipe.state = VSP1_PIPELINE_STOPPED;
+	vsp1_pipeline_init(&video->pipe);
 	video->pipe.frame_end = vsp1_video_pipeline_frame_end;
 
 	/* Initialize the media entity... */