[RFC PATCH renesas-drivers] of: overlay: overlay_changeset_release() can be static

[kbuild test robot <fengguang.wu@xxxxxxxxx>]

Fixes: 11de0d24be47 ("of: overlay: kobjectify overlay objects")
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 overlay.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index ef7e8a4..7f0255e 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -654,7 +654,7 @@ static inline struct overlay_changeset *kobj_to_ovcs(struct kobject *kobj)
 	return container_of(kobj, struct overlay_changeset, kobj);
 }
 
-void overlay_changeset_release(struct kobject *kobj)
+static void overlay_changeset_release(struct kobject *kobj)
 {
 	struct overlay_changeset *ovcs = kobj_to_ovcs(kobj);