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

Signed-off-by: Shuah Khan <shua...@osg.samsung.com>
---
 drivers/media/platform/xilinx/xilinx-dma.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/xilinx/xilinx-dma.c 
b/drivers/media/platform/xilinx/xilinx-dma.c
index 98e50e4..784f7a4 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.c
+++ b/drivers/media/platform/xilinx/xilinx-dma.c
@@ -185,7 +185,7 @@ static int xvip_pipeline_validate(struct xvip_pipeline 
*pipe,
        unsigned int num_inputs = 0;
        unsigned int num_outputs = 0;
 
-       mutex_lock(&mdev->graph_mutex);
+       spin_lock(&mdev->graph_lock);
 
        /* Walk the graph to locate the video nodes. */
        media_entity_graph_walk_start(&graph, entity);
@@ -206,7 +206,7 @@ static int xvip_pipeline_validate(struct xvip_pipeline 
*pipe,
                }
        }
 
-       mutex_unlock(&mdev->graph_mutex);
+       spin_unlock(&mdev->graph_lock);
 
        /* We need exactly one output and zero or one input. */
        if (num_outputs != 1 || num_inputs > 1)
-- 
2.1.4

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