What is subpage_sft??

[Artem Bityutskiy]

On Tue, 2007-07-03 at 10:58 +0530, Vinit Agnihotri wrote:
> I tried searching on net to understand what subpage_sft means, but
> aint find any relevant information.
> 
> What does subpage_sft means?? Where it is used?? Is it related with
> NAND or NOR flash?
> Can anybody provide this little information to me. Any relevant
> document or link is welcome.

Many NANDs are allow to write more then once to the NAND page, and MTD
allows you to write a sub-page rather then whole page. Typically 512
bytes NAND page consists of 2x256 byte sub-pages, or 2KiB NAND page
consists of 4x512 byte sub-pages.

-- 
Best regards,
Artem Bityutskiy (Битюцкий Артём)