mtd: nand: add helpers to access ->priv

Add two helpers to access the field reserved for private controller data.
This makes it clearer what this field is reserved for and ease future
refactoring.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 86487dbe7358..bdd68e22b5a5 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -755,6 +755,16 @@ static inline struct mtd_info *nand_to_mtd(struct nand_chip *chip)
         return &chip->mtd;
 }
 
+static inline void *nand_get_controller_data(struct nand_chip *chip)
+{
+        return chip->priv;
+}
+
+static inline void nand_set_controller_data(struct nand_chip *chip, void *priv)
+{
+        chip->priv = priv;
+}
+
 /*
  * NAND Flash Manufacturer ID Codes
  */