There's no point searching for a drm_bridge or drm_panel if the OF node we're pointing has a status property that is not "okay" or "ok". Just return -ENODEV in this case.
Signed-off-by: Boris Brezillon boris.brezillon@bootlin.com Reviewed-by: Thierry Reding treding@nvidia.com Acked-by: Thierry Reding treding@nvidia.com --- Changes in v3: - Add Thierry's A-b/R-b
Changes in v2: - New commit --- drivers/gpu/drm/drm_of.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c index 81d3f76c43f3..7678100fd772 100644 --- a/drivers/gpu/drm/drm_of.c +++ b/drivers/gpu/drm/drm_of.c @@ -238,6 +238,11 @@ int drm_of_find_panel_or_bridge(const struct device_node *np, if (!remote) return -ENODEV;
+ if (!of_device_is_available(remote)) { + of_node_put(remote); + return -ENODEV; + } + if (panel) { *panel = of_drm_find_panel(remote); if (!IS_ERR(*panel))