On Thu, Jul 29, 2021 at 04:49:10PM +0200, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > > PME signaling is only enabled by __pci_enable_wake() if the target > device can signal PME from the given target power state (to avoid > pointless reconfiguration of the device), but if the hierarchy above > the device goes into D3cold, the device itself will end up in D3cold > too, so if it can signal PME from D3cold, it should be enabled to > do so in __pci_enable_wake(). > > [Note that if the device does not end up in D3cold and it cannot > signal PME from the original target power state, it will not signal > PME, so in that case the behavior does not change.] > > Link: https://lore.kernel.org/linux-pm/3149540.aeNJFYEL58@kreacher/ > Fixes: 5bcc2fb4e815 ("PCI PM: Simplify PCI wake-up code") > Reported-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> Also this solves the reported issue so, Tested-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> Thanks!