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mtd: nand: improve comment on NAND_BBT_DYNAMIC_STRUCT

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In an attempt to improve the documentation of the BBT code, I am expanding
the comments I left in commit:
    58373ff0af
    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>
This commit is contained in:
Brian Norris 2011-05-31 16:31:27 -07:00 committed by Artem Bityutskiy
parent b4dc53e16f
commit 9eeff82436
1 changed files with 5 additions and 1 deletions
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6
include/linux/mtd/bbm.h
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@ -113,7 +113,11 @@ struct nand_bbt_descr {
/* 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 */