On Sat, 6 Dec 2008 14:24:55 -0800 (PST) Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > > On Sat, 6 Dec 2008, Rafael J. Wysocki wrote: > > > > However, I'm not quite sure about the freeing and requesting IRQs > > during suspend and resume. Many drivers do that, many others > > don't. Still, apparently some drivers don't work correctly after > > resume if this is not done. So, if that should generally be done, I > > also think that moving it to the core might be a good idea. > > I'd suggest against it. > > A lot of drivers that want to disable (or unregister) interrupts > almost certainly want to do it simply because they are not ready and > willing to handle any interrupts after having run their "suspend()" > function. the problem is that the system bios can have reassigned interrupts after resume, and afaik we need to re-evaluate the ACPI methods to get the new mapping. So we need to unregister + re-register to make that happen _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
