mtd: nand: fsl_ifc: fix handing of bit flips in erased pages

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If we see unrecoverable ECC error, we need to count number of bitflips
from all-ones and report correctable/uncorrectable according to
that. Otherwise we report ECC failed on erased flash with single bit error.

Signed-off-by: Pavel Machek <pavel@denx.de>
Reported-by: Darwin Dingel <Darwin.Dingel@alliedtelesis.co.nz>
Acked-by: Darwin Dingel <Darwin.Dingel@alliedtelesis.co.nz>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

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Boris Brezillon 2017-06-10 12:09:05 +02:00

parent 30ee809e98

commit d45e5316e6

1 changed files with 42 additions and 35 deletions

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drivers/mtd/nand/fsl_ifc_nand.c

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