[PATCH v3 02/12] drm/mipi_dsi: create dsi devices only for nodes with reg property

[Andrzej Hajda]

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 at samsung.com>
---
 drivers/gpu/drm/drm_mipi_dsi.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index b155ee2..09821f4 100644
--- 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;
 }
-- 
1.8.3.2