mtd: nand: improve comment on NAND_BBT_DYNAMIC_STRUCT
In an attempt to improve the documentation of the BBT code, I am expanding
the comments I left in commit:
58373ff0afff4cc8ac40608872995f4d87eb72ec
mtd: nand: more BB Detection refactoring and dynamic scan options
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index 57d6a8d..c4eec22 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -113,7 +113,11 @@
/* Do not store flash based bad block table in OOB area; store it in-band */
#define NAND_BBT_NO_OOB 0x00040000
-/* The nand_bbt_descr was created dynamicaly and must be freed */
+/*
+ * Flag set by nand_create_default_bbt_descr(), marking that the nand_bbt_descr
+ * was allocated dynamicaly and must be freed in nand_release(). Has no meaning
+ * in nand_chip.bbt_options.
+ */
#define NAND_BBT_DYNAMICSTRUCT 0x80000000
/* The maximum number of blocks to scan for a bbt */