1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index a5cf4e8d6818..f9bfe526d310 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -173,6 +173,9 @@ struct mtd_info {
         /* ECC layout structure pointer - read only! */
         struct nand_ecclayout *ecclayout;
 
+        /* the ecc step size. */
+        unsigned int ecc_step_size;
+
         /* max number of correctible bit errors per ecc step */
         unsigned int ecc_strength;