From: Simon Glass <sjg@chromium.org>
Date: Mon, 15 Mar 2021 04:25:18 +0000 (+1300)
Subject: dm: core: Skip adding uclasses with OF_PLATDATA_INST
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=91bcfdf0b6683681c557db55e1d74424fb1cc4fe;p=u-boot.git

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 1a4ea7a57a..f753a1f91e 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -148,8 +148,11 @@ int uclass_get(enum uclass_id id, struct uclass **ucp)
 
 	*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;