[U-Boot] [PATCH v2 3/8] mtd: vf610_nfc: allow bitflips in an empty page

Allow bit flips in a empty page up to half of the recoverable bits (strength / 2).

Signed-off-by: Stefan Agner stefan@agner.ch --- drivers/mtd/nand/vf610_nfc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c index 66b335d..16485f5 100644 --- a/drivers/mtd/nand/vf610_nfc.c +++ b/drivers/mtd/nand/vf610_nfc.c @@ -527,7 +527,7 @@ static inline int vf610_nfc_correct_data(struct mtd_info *mtd, u_char *dat) flip = count_written_bits(dat, nfc->chip.ecc.size, ecc_count);

/* ECC failed. */ - if (flip > ecc_count) + if (flip > ecc_count && flip > (nfc->chip.ecc.strength / 2)) return -1;

/* Erased page. */