Use the nand_check_erased_ecc_chunk() function to test if the ECC error was triggered by an erased page containing a few bitflips.
Signed-off-by: Boris Brezillon <[email protected]> --- drivers/mtd/nand/sunxi_nand.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index a76eb51..92245a3 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -611,7 +611,9 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd, sunxi_nfc_read_buf(mtd, oob, ecc->bytes + 4); if (status & NFC_ECC_ERR(0)) { - ret = -EIO; + ret = nand_check_erased_ecc_chunk(data, ecc->size, + oob, ecc->bytes + 4, + NULL, 0, ecc->strength); } else { /* * The engine protects 4 bytes of OOB data per chunk. -- 2.1.4 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
