Messages in this thread | | | Subject | Re: CELF interest in suspend-to-flash | From | Nigel Cunningham <> | Date | Thu, 11 Nov 2004 06:51:09 +1100 |
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Hi.
On Thu, 2004-11-11 at 06:39, Thomas Gleixner wrote: > 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
Alternatively, a new module could be written for suspend to read/write to it. If your idea is just tweaks, it will probably be quicker to implement (and... I don't have access to the hardware).
Regards,
Nigel -- Nigel Cunningham Pastoral Worker Christian Reformed Church of Tuggeranong PO Box 1004, Tuggeranong, ACT 2901
You see, at just the right time, when we were still powerless, Christ died for the ungodly. -- Romans 5:6
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