Limited support of NAND features in MTD.

[Alexey Korolev]

Hi David,
> 
> On Tue, 2007-12-18 at 17:56 +0100, Jörn Engel wrote:
> > 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.
> 
> That's fairly much been my conclusion every time I've looked at the new
> features we haven't yet bothered to support. Partial page read also
> suffers from lack of ECC.
Hmm I did not heard about this. Could you please give more details on how 
partial page read can suffer from lack of ECC?

Thanks,
Alexey