On Sat, Sep 06, 2025 at 09:36:31AM -0500, Mario Limonciello (AMD) wrote: > A variety of issues both in function and in power consumption have been > raised as a result of devices not being put into a low power state when > the system is powered off. > > There have been some localized changes[1] to PCI core to help these issues, > but they have had various downsides. > > This series instead tries to use the S4 flow when the system is being > powered off. This lines up the behavior with what other operating systems > do as well. If for some reason that fails or is not supported, run their > shutdown() callbacks. > > Cc: AceLan Kao <acelan.kao@xxxxxxxxxxxxx> > Cc: Kai-Heng Feng <kaihengf@xxxxxxxxxx> > Cc: Mark Pearson <mpearson-lenovo@xxxxxxxxx> > Cc: Merthan Karakaş <m3rthn.k@xxxxxxxxx> > Cc: Eric Naim <dnaim@xxxxxxxxxxx> > --- > v6 RESEND: > * Resent because Greg said he was ignoring it and would like the whole > series to be able to review. Messy, but wow, I'll trust you all that this actually works properly. No objections from me, but I don't want my ack on this as I don't know how to maintain it :) thanks, greg k-h
