There's only a single user of of_prop_val_eq(), so move it to overlay.c.
This removes one case of exposing struct property outside of the DT
code.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
---
 drivers/of/overlay.c | 6 ++++++
 include/linux/of.h   | 6 ------
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 434f6dd6a86c..19edbc322cec 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -84,6 +84,12 @@ static int devicetree_state_flags;
 #define DTSF_APPLY_FAIL		0x01
 #define DTSF_REVERT_FAIL	0x02
 
+static int of_prop_val_eq(const struct property *p1, const struct property *p2)
+{
+	return p1->length == p2->length &&
+	       !memcmp(p1->value, p2->value, (size_t)p1->length);
+}
+
 /*
  * If a changeset apply or revert encounters an error, an attempt will
  * be made to undo partial changes, but may fail.  If the undo fails
diff --git a/include/linux/of.h b/include/linux/of.h
index eaf0e2a2b75c..77a4bd275a5c 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -908,12 +908,6 @@ static inline const void *of_device_get_match_data(const struct device *dev)
 #define of_node_cmp(s1, s2)		strcasecmp((s1), (s2))
 #endif
 
-static inline int of_prop_val_eq(const struct property *p1, const struct property *p2)
-{
-	return p1->length == p2->length &&
-	       !memcmp(p1->value, p2->value, (size_t)p1->length);
-}
-
 #define for_each_property_of_node(dn, pp) \
 	for (pp = dn->properties; pp != NULL; pp = pp->next)
 
-- 
2.47.2