OMAPDSS: only probe pdata if there's one
omapdss output drivers always read the platform data. This crashes when
there's no platform data when using DT.
Add a check to read the platform data only if it exists.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index a73dedc..bdddd0d 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -5563,12 +5563,10 @@
dsi_init_output(dsidev);
- r = dsi_probe_pdata(dsidev);
- if (r) {
- dsi_runtime_put(dsidev);
- dsi_uninit_output(dsidev);
- pm_runtime_disable(&dsidev->dev);
- return r;
+ if (dsidev->dev.platform_data) {
+ r = dsi_probe_pdata(dsidev);
+ if (r)
+ goto err_probe;
}
dsi_runtime_put(dsidev);
@@ -5586,6 +5584,9 @@
#endif
return 0;
+err_probe:
+ dsi_runtime_put(dsidev);
+ dsi_uninit_output(dsidev);
err_runtime_get:
pm_runtime_disable(&dsidev->dev);
return r;