On Fri, 2007-04-13 at 23:12 +0200, Pavel Machek wrote: > > Whoops, I had that in an earlier version, it's not supposed to be called > > for (u)swsusp because pm_ops involvement there is a hack anyway. I'll > > fix the description. > > But (u)swsusp needs to shut down the devices, and it does both suspend > and powerdown, too...? Yes, but the special S4 state is just hacked onto pm_ops, nothing but ACPI S4 will ever sanely use pm_ops. If I'd invented pm_ops I'd made pm_ops solely for suspend to ram/standby/... and added a *separate* hook for pm_disk_mode and S4 because logically that really doesn't belong to pm_ops which does almost exclusively things for suspend to ram/standby. johannes
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