Avoid error print by of_graph_get_next_endpoint() if there is no ports
present.
Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
---
drivers/gpu/drm/tilcdc/tilcdc_external.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.c b/drivers/gpu/drm/tilcdc/tilcdc_external.c
index 03acb4f..51811e3 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_external.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_external.c
@@ -138,9 +138,20 @@ static int dev_match_of(struct device *dev, void *data)
int tilcdc_get_external_components(struct device *dev,
struct component_match **match)
{
+ struct device_node *node;
struct device_node *ep = NULL;
int count = 0;
+ /* Avoid error print by of_graph_get_next_endpoint() if there
+ * is no ports present.
+ */
+ node = of_get_child_by_name(dev->of_node, "ports");
+ if (!node)
+ node = of_get_child_by_name(dev->of_node, "port");
+ if (!node)
+ return 0;
+ of_node_put(node);
+
while ((ep = of_graph_get_next_endpoint(dev->of_node, ep))) {
struct device_node *node;
--
1.9.1
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