OneNAND: Always print error messages

Kyungmin Park kyungmin.park at samsung.com
Fri Jan 19 02:14:52 EST 2007


Hi,


> > Yes, simple solution is separate read oob from normal and scanning.
> > I think is is easy because we can use state variable, FL_SCANNING instead of FL_READING in bbt.

> Also there are the issues of a load error or ECC error when scanning for bad blocks:

> Is it possible to get an ECC error when scanning a bad block?

Theoretical it's possible but I never see it.

> If a load error occurs when scanning a bad block, does that mean the dataRAM
> has been updated or not?

scanning a bad block means read oob so we don't update dataRAM. In onenand implementation. we always invalid dataRAM in oob case.

Thank you,
Kyungmin Park




More information about the linux-mtd mailing list