Re: [patch 2.6.26-rc5-git] at91_nand speedup via{read,write}s{b,w}()

[Haavard Skinnemoen]

Haavard Skinnemoen <haavard.skinnemoen@xxxxxxxxx> wrote:
> which is a 6.8% speedup. I guess hardware ECC helps...though I can't
> seem to get it to work properly. Is there anything I need to do besides
> flash_eraseall when changing the ECC layout?

Turns out there's an AP7000 errata that hasn't made it to the data
sheet yet. The IC designers have already come up with a workaround,
which I've implemented below. This brings the time down to

real	2m0.934s
user	0m0.140s
sys	2m0.700s

which is a nice improvement.

Haavard