mtd: merge in mtd_to_nand() branch

In case other subsystems want to merge in this helper for use in their
drivers, let's bring in that development separately from the rest of
MTD -next development.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 4f7c9b97982f..056d1650eb89 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -730,6 +730,11 @@ static inline struct device_node *nand_get_flash_node(struct nand_chip *chip)
         return chip->flash_node;
 }
 
+static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd)
+{
+        return mtd->priv;
+}
+
 /*
  * NAND Flash Manufacturer ID Codes
  */