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The nand_default_block_markbad() and scan_block_fast() use high
level APIs to get access to the BBM.
On the other hand, nand_block_bad (the default implementation of
->block_bad) calls the lower level ->cmdfunc hook. This prevents
drivers from using ->ecc.read_oob() even if optimized read operation
is implemented. Besides, some NAND controllers may protect the BBM
with ECC.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
c120e75e0e