[PATCH v2] mtd: consult CONFIG_OFDEVICE in mtd_get_of_node

[Ahmad Fatoum]

Get barebox on non-DT platforms with NAND a tiny bit smaller by
directly returning NULL if CONFIG_OFDEVICE is not enabled, thereby
allowing more code to be discarded at compile-time in absence of
link-time optimization.

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
v1 -> v2:
  - don't dereference parent device without NULL-check (Sascha)
---
 include/linux/mtd/mtd.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 6b539a9eceb5..54cb2ec64ce2 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -293,6 +293,8 @@ static inline void mtd_set_of_node(struct mtd_info *mtd,
 
 static inline struct device_node *mtd_get_of_node(struct mtd_info *mtd)
 {
+	if (!IS_ENABLED(CONFIG_OFDEVICE))
+		return NULL;
 	if (mtd->dev.of_node)
 		return mtd->dev.of_node;
 	if (mtd->dev.parent)
-- 
2.30.2