Allow bit flips in a empty page up to half of the recoverable
bits (strength / 2).
Signed-off-by: Stefan Agner <ste...@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. */
--
2.3.5
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