Re: SATA suspend-to-ram patch - merge?

[Jens Axboe <axboe@suse.de>]

On Wed, Sep 21 2005, Jeff Garzik wrote:
> Joshua Kwan wrote:
> >Is Jens' patch still relevant? If so, should it be rediffed and merged
> >into mainline? It doesn't seem to cause any weird side-effects.
> >
> >More importantly, I would be inclined to properly rediff Jens' patch and
> >merge it into Debian 2.6.12 kernel sources if there aren't any such
> >side-effects, since it benefits everyone using SATA and suspend-to-ram
> >(that is, users of relatively modern laptops.)
> 
> Jens' patch is technical correct for SATA, but really we want to do more 
> stuff at the SCSI layer (see James Bottomley's response to Jens' patch).
> 
> Unfortunately, this also implies that we have to figure out which SCSI 
> devices are available to be power-managed, and which SCSI devices are on 
> a shared bus that should never be suspended.
> 
> So currently we are in limbo...

Which is a shame, since it means that software suspend on sata is
basically impossible :)

-- 
Jens Axboe

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