On Thu, 2007-03-22 at 11:03 +0100, Pavel Machek wrote: > > So they shouldn't offer it in Kconfig? I agree with that. > Anyway, this patch is good, as it allows interested ARM machines to > really disable suspend-to-disk. What they were doing previously was > not effective. I thought you just said you understood pm_ops now :-> No, once SOFTWARE_SUSPEND is configured there's *no way* to disable it after the fact via pm_ops. Read valid_state() in kernel/power/main.c. But that's a design decision, once the kernel config allows suspend to disk runtime pm_ops have no say in it. And what they previously did by nack'ing suspend to disk for platform mode is broken and just papers over the problem in the default case, once the user puts shutdown > /sys/power/disk the problem shows up again (if there is any). johannes
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