Messages in this thread | | | From | "Rafael J. Wysocki" <> | Date | Tue, 1 Aug 2017 13:51:16 +0200 | Subject | Re: Issue with commit de3ef1eb1cd - PM / core: Drop run_wake flag from struct dev_pm_info [Was: MEI-related WARN_ON() triggered during resume-from-sleep on v4.13-rc2+] |
| |
Hi,
On Tue, Aug 1, 2017 at 7:25 AM, Usyskin, Alexander <alexander.usyskin@intel.com> wrote: > Hi > > We using pci_dev_run_wake that changed in mentioned patch to decide > if to replace usual PM callbacks with domain ones. > IIRC, the mei device is not remote wakeable on that platform, > so we should set domain callbacks. > There was a patch in PM framework that squashes runtime suspend with > usual suspend for some devices. > May it be that now pci_dev_run_wake returns true form mei and we are > not setting domain callbacks? > In that case we going through PCI device level PM path and may trigger that squash. > That will explain lack of mei logs on suspend. > > Dominik, can you try comment out "if (!pci_dev_run_wake(pdev))" > at drivers/misc/mei/pci-me.c (around line 223) to set domain callbacks by force > to see if this is indeed the case?
Why exactly do you need the pci_dev_run_wake(pdev) check?
Thanks, Rafael
| |