summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/tilcdc/tilcdc_external.c
diff options
context:
space:
mode:
authorJyri Sarha <jsarha@ti.com>2016-06-06 11:11:35 +0300
committerJyri Sarha <jsarha@ti.com>2016-08-08 23:04:56 +0300
commit10a55a18f50136fe7229ad9a3dea4f7c2d387f6a (patch)
treec893c57cf1a94a863aa9cc5bc23722fe6d3ed261 /drivers/gpu/drm/tilcdc/tilcdc_external.c
parent24b31ba099c6e32685211847fa58d876f562eb11 (diff)
downloadlinux-10a55a18f50136fe7229ad9a3dea4f7c2d387f6a.tar.bz2
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>
Diffstat (limited to 'drivers/gpu/drm/tilcdc/tilcdc_external.c')
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_external.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.c b/drivers/gpu/drm/tilcdc/tilcdc_external.c
index 03acb4f99982..ad3db4d30b49 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);