Hi Aubrey,

On 11/10/06, Aubrey <aubreylee@gmail.com> wrote:
> Hi all,
>
> I wrote a mtd-nand driver and enabled it with YAFFS(CVS Nov9) on 2.6.18.
> When I mount the mtd partition of a large page nand chip, everything works fine.
> But When I replace the large page nand chip with a small page nand
> chip,everything works ok except mount costs about 8 seconds. It's too
> long, I think.
>
> The same kernel and driver, the same hardware just except the nand part
> number( NAND01G and NAND128W), any clue?

this is a known issue on 2.6.18 kernels. It is caused by the MTD layer
rework and corresponding yaffs-mtd layer modifications. Namely, an
additional translation had to be implemented for OOB area for 512b
page chips.

Vitaly