mtd: rawnand: Add a NAND_NO_BBM_QUIRK flag

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Some controllers with embedded ECC engines override the BBM marker with
data or ECC bytes, thus making bad block detection through bad block
marker impossible. Let's flag those chips so the core knows it shouldn't
check the BBM and consider all blocks good.

This should allow us to get rid of two implementers of the
legacy.block_bad() hook.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200511064917.6255-1-boris.brezillon@collabora.com

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Boris Brezillon 2020-05-11 08:49:15 +02:00 • committed by Miquel Raynal

parent 22dc5f9d49

commit ec7cfc3d76

2 changed files with 11 additions and 0 deletions

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3

drivers/mtd/nand/raw/nand_base.c

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8

include/linux/mtd/rawnand.h

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