diff mbox series

[v3,08/42] dm: core: Skip adding uclasses with OF_PLATDATA_INST

Message ID 20210207211727.v3.8.Icde748d3063580acf92b185f675701c077b72ba8@changeid
State Superseded
Delegated to: Simon Glass
Headers show
Series dm: Implement OF_PLATDATA_INST in driver model (part E) | expand

Commit Message

Simon Glass Feb. 8, 2021, 4:17 a.m. UTC 
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>
---

(no changes since v1)

 drivers/core/uclass.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index f38122d54b5..2a7b0881b18 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -147,8 +147,11 @@  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;