drm/mipi_dsi: create dsi devices only for nodes with reg property

MIPI DSI host node can contain child nodes which are not DSI devices.
Checking for existence of reg property can be used to distinguish such nodes.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index b155ee2ffa17a44452b1c80d71b8cc7483a527ec..09821f46d768dae2ab019898e6036da32aa0a279 100644 (file)
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -142,8 +142,12 @@ int mipi_dsi_host_register(struct mipi_dsi_host *host)
 {
        struct device_node *node;
 
-       for_each_available_child_of_node(host->dev->of_node, node)
+       for_each_available_child_of_node(host->dev->of_node, node) {
+               /* skip nodes without reg property */
+               if (!of_find_property(node, "reg", NULL))
+                       continue;
                of_mipi_dsi_device_add(host, node);
+       }
 
        return 0;
 }