[PATCH v2 11/19] staging media: davinci_vpfe: Update graph_mutex to graph_lock spinlock

[Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>]

Update graph_mutex to graph_lock spinlock to be in sync with
the Media Conttroller change for the same.

Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
---
 drivers/staging/media/davinci_vpfe/vpfe_video.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index 87048a1..2511614 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -143,7 +143,7 @@ static void vpfe_prepare_pipeline(struct vpfe_video_device *video)
 	else
 		pipe->outputs[pipe->output_num++] = video;
 
-	mutex_lock(&mdev->graph_mutex);
+	spin_lock(&mdev->graph_lock);
 	media_entity_graph_walk_start(&graph, entity);
 	while ((entity = media_entity_graph_walk_next(&graph))) {
 		if (entity == &video->video_dev.entity)
@@ -156,7 +156,7 @@ static void vpfe_prepare_pipeline(struct vpfe_video_device *video)
 		else
 			pipe->outputs[pipe->output_num++] = far_end;
 	}
-	mutex_unlock(&mdev->graph_mutex);
+	spin_unlock(&mdev->graph_lock);
 }
 
 /* update pipe state selected by user */
@@ -289,7 +289,7 @@ static int vpfe_pipeline_enable(struct vpfe_pipeline *pipe)
 		entity = &pipe->inputs[0]->video_dev.entity;
 
 	mdev = entity->parent;
-	mutex_lock(&mdev->graph_mutex);
+	spin_lock(&mdev->graph_lock);
 	media_entity_graph_walk_start(&graph, entity);
 	while ((entity = media_entity_graph_walk_next(&graph))) {
 
@@ -300,7 +300,7 @@ static int vpfe_pipeline_enable(struct vpfe_pipeline *pipe)
 		if (ret < 0 && ret != -ENOIOCTLCMD)
 			break;
 	}
-	mutex_unlock(&mdev->graph_mutex);
+	spin_unlock(&mdev->graph_lock);
 	return ret;
 }
 
@@ -329,7 +329,7 @@ static int vpfe_pipeline_disable(struct vpfe_pipeline *pipe)
 		entity = &pipe->inputs[0]->video_dev.entity;
 
 	mdev = entity->parent;
-	mutex_lock(&mdev->graph_mutex);
+	spin_lock(&mdev->graph_lock);
 	media_entity_graph_walk_start(&graph, entity);
 
 	while ((entity = media_entity_graph_walk_next(&graph))) {
@@ -341,7 +341,7 @@ static int vpfe_pipeline_disable(struct vpfe_pipeline *pipe)
 		if (ret < 0 && ret != -ENOIOCTLCMD)
 			break;
 	}
-	mutex_unlock(&mdev->graph_mutex);
+	spin_unlock(&mdev->graph_lock);
 
 	return ret ? -ETIMEDOUT : 0;
 }
-- 
2.1.4

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