mtd: nand: document nand_chip.oob_poi

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 5f3fdd9877b7..c7113a9cd66d 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -431,7 +431,8 @@ struct nand_buffers {
  * @chip_delay:         [BOARDSPECIFIC] chip dependent delay for transferring
  *                      data from array to read regs (tR).
  * @state:              [INTERN] the current state of the NAND device
- * @oob_poi:            poison value buffer
+ * @oob_poi:            "poison value buffer," used for laying out OOB data
+ *                      before writing
  * @page_shift:         [INTERN] number of address bits in a page (column
  *                      address bits).
  * @phys_erase_shift:   [INTERN] number of address bits in a physical eraseblock