dm: core: Skip adding uclasses with OF_PLATDATA_INST
There is no need to ever add new uclasses since these are set up at build
time. Update the code to return an error if this is attempted.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 1a4ea7a..f753a1f 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -148,8 +148,11 @@
*ucp = NULL;
uc = uclass_find(id);
- if (!uc)
+ if (!uc) {
+ if (CONFIG_IS_ENABLED(OF_PLATDATA_INST))
+ return -ENOENT;
return uclass_add(id, ucp);
+ }
*ucp = uc;
return 0;