Avoid error print by of_graph_get_next_endpoint() if there is no ports present.
Signed-off-by: Jyri Sarha jsarha@ti.com --- drivers/gpu/drm/tilcdc/tilcdc_external.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.c b/drivers/gpu/drm/tilcdc/tilcdc_external.c index 03acb4f..ad3db4d 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_external.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_external.c @@ -138,12 +138,21 @@ 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;
- while ((ep = of_graph_get_next_endpoint(dev->of_node, ep))) { - struct device_node *node; + /* 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))) { node = of_graph_get_remote_port_parent(ep); if (!node && !of_device_is_available(node)) { of_node_put(node);