diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 7153e0d27101e3eed06ac17addcdbd4734c7ccc3..b3f41f200622b39f5ef7d46ab6b772ed2eb9e97e 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -3694,7 +3694,7 @@ static int flexonenand_check_blocks_erased(struct mtd_info *mtd, int start, int
  * flexonenand_set_boundary	- Writes the SLC boundary
  * @param mtd			- mtd info structure
  */
-int flexonenand_set_boundary(struct mtd_info *mtd, int die,
+static int flexonenand_set_boundary(struct mtd_info *mtd, int die,
 				    int boundary, int lock)
 {
 	struct onenand_chip *this = mtd->priv;