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dm: core: Skip adding uclasses with OF_PLATDATA_INST

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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>
This commit is contained in:
Simon Glass 2021-03-15 17:25:18 +13:00
parent 967a7d483a
commit 91bcfdf0b6
1 changed files with 4 additions and 1 deletions
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5
drivers/core/uclass.c
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@ -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;