1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 05fcdfea640b..352e23891f58 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -456,6 +456,8 @@ struct nand_buffers {
  *                      flash device.
  * @read_byte:          [REPLACEABLE] read one byte from the chip
  * @read_word:          [REPLACEABLE] read one word from the chip
+ * @write_byte:         [REPLACEABLE] write a single byte to the chip on the
+ *                      low 8 I/O lines
  * @write_buf:          [REPLACEABLE] write data from the buffer to the chip
  * @read_buf:           [REPLACEABLE] read data from the chip into the buffer
  * @select_chip:        [REPLACEABLE] select chip nr
@@ -548,6 +550,7 @@ struct nand_chip {
 
         uint8_t (*read_byte)(struct mtd_info *mtd);
         u16 (*read_word)(struct mtd_info *mtd);
+        void (*write_byte)(struct mtd_info *mtd, uint8_t byte);
         void (*write_buf)(struct mtd_info *mtd, const uint8_t *buf, int len);
         void (*read_buf)(struct mtd_info *mtd, uint8_t *buf, int len);
         void (*select_chip)(struct mtd_info *mtd, int chip);