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32cc2368f8
Not correcting anything in case of empty ECC data area is not an appropriate strategy, because an uncorrected bit-flip in an empty sector may cause upper layers (namely UBI) fail to work properly. Therefore the approach chosen in Linux kernel and other u-boot mtd drivers has been adopted, where a heuristic implemented by nand_check_erased_ecc_chunk() is used in order to detect and correct empty sectors. Tested with sama5d3_xplained and sam9x60-ek. Signed-off-by: Kai Stuhlemmer (ebee Engineering) <kai.stuhlemmer@ebee.de> Tested-by: Tudor Ambarus <tudor.ambarus@microchip.com> [ta: reorder if conditions, change commit subject, s/uint8_t/u8.] Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>