Limited support of NAND features in MTD.

[Jörn Engel]

On Tue, 18 December 2007 08:57:58 -0800, David Brown wrote:
> 
> One problem with the on-chip copy is that ECC doesn't get corrected.  If
> there are errors on readback, it will get written that way, and errors
> would accumulate.

Ouch!  Such an implementation would indeed make this whole business
pointless.

> It is conceivable that the controller could do something intermediary, such
> as read the data, and if the ECC needs no correction, write from the
> on-chip cache, otherwise write the corrected data.

Yes, something like that would be necessary.

Jörn

-- 
To my face you have the audacity to advise me to become a thief - the worst
kind of thief that is conceivable, a thief of spiritual things, a thief of
ideas! It is insufferable, intolerable!
-- M. Binet in Scarabouche