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drm/tilcdc: Avoid error print by of_graph_get_next_endpoint() 

Avoid error print by of_graph_get_next_endpoint() if there is no ports
present.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
hifive-unleashed-5.1
Jyri Sarha 2016-06-06 11:11:35 +03:00
parent 24b31ba099
commit 10a55a18f5
1 changed files with 11 additions and 2 deletions
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13
drivers/gpu/drm/tilcdc/tilcdc_external.c
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@ -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);