Jeff Garzik wrote:
Link powersave patchset should handle that together but I'm still not
sure what to do w/ user interface (which sysfs node to use). Also,
controllers which are used on laptops && use hp-poll by default are
sata_nv (old ones) and some variant of sata_sil used in ati chipset.
So, it shouldn't cause trouble for most laptop users.
I'm not saying it causes trouble. Just saying that polling unused ports
is practically guaranteed to require more power than never doing so.
Yeap, no objection there.
It shouldn't be hard to figure out where to poke stuff into sysfs...
I dunno. It's policy decision and we don't have ATA sysfs nodes yet.
So, where do we begin? Is it time to start /sys/class/ata_host/ataX tree?
Thanks.
--
tejun
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