From: Thierry Reding treding@nvidia.com
In order to remove the dependency on the simple-bus compatible string, which causes the OF driver core to register all child devices, make the display-hub driver explicitly register the display controller children.
Signed-off-by: Thierry Reding treding@nvidia.com --- drivers/gpu/drm/tegra/hub.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c index a2ef8f218d4e..22a03f7ffdc1 100644 --- a/drivers/gpu/drm/tegra/hub.c +++ b/drivers/gpu/drm/tegra/hub.c @@ -948,6 +948,15 @@ static int tegra_display_hub_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to register host1x client: %d\n", err);
+ err = devm_of_platform_populate(&pdev->dev); + if (err < 0) + goto unregister; + + return err; + +unregister: + host1x_client_unregister(&hub->client); + pm_runtime_disable(&pdev->dev); return err; }