[U-Boot-Users] does someone add YAFFS2 support in uboot?

[zhuzhenhua]

On 3/6/06, Aubrey <aubreylee at gmail.com> wrote:
> Yes, Putting the kernel image in the filesystem is not a wise
> approach. You will encounter some problems like power failure, etc.
> Since U-Boot supports NAND driver to read/write the NAND flash, you
> can boot kernel from a sperate partition by U-Boot.
>
> Thanks,
> -Aubrey
>

what does the "power failure" means?
i think it has no difference between boot from partition and yaffs,
maybe boot from yaffs need more time.
do i miss something else?

Thanks
zhuzhenhua