>>>However, I see the point in using a filesystem originally tailored for
>>>NAND...
>>>I just need making sure I can have some ECC enabled - either in MTD or
>>>YAFFS...
>>???
Doesn't that make sense?

>>YAFFS supports ECC in one of two ways:
>>If you specify USE_NAND_ECC then yaffs assumes that the mtd is supplying
>>ECC. If you do not, then YAFFS supplies ECC.
> Oh, I forgot to add that you should only enable one of these, not both :-).
:-)
But until now I've only seen one config parameter for controlling this - 
that is CONFIG_YAFFS_USE_NANDECC. And that must be for YAFFS, right...
I cannot find one regarding MTD?

BR,
  Martin