Re: CELF interest in suspend-to-flash

Thomas Gleixner
2004-11-10T19:48:24Z

On Wed, 2004-11-10 at 13:41 -0200, Marcelo Tosatti wrote:
> > On Thu, 2004-11-11 at 04:59, Tim Bird wrote:
> > > Hi all,
> > >
> > > Lately, the CE Linux Forum power management working group is showing some
> > > interest in suspend-to-flash. Is there any current work in this area?
> > >
> > > Who should we talk to if we want to get involved with this (or lead
> > > an effort if there isn't one)?
> >
> > Can flash be treated as a swap device at the moment? If so, it might
> > simply be a matter of specifying the same parameter used in swapon for
> > the resume2= boot parameter.
>
> Sure, you only need to have the flash as a block device (ie driven
> by the IDE code).

That's true, if you are talking about Compact FLash which pretends to be
a harddisk, but I assume that the embedded people are talking about raw
FLASH chips. It's possible do this, but it will need some tweaks to the
MTD code

tglx