On Sun, 19 Dec 2010 15:57:16 +0100 "Rafael J. Wysocki" <rjw@xxxxxxx> wrote: > From: Rafael J. Wysocki <rjw@xxxxxxx> > > I noticed that PCI Express PMEs don't work on my Toshiba Portege R500 > after the system has been woken up from a sleep state by a PME > (through Wake-on-LAN). After some investigation it turned out that > the BIOS didn't clear the Root PME Status bit in the root port that > received the wakeup PME and since the Requester ID was also set in > the port's Root Status register, any subsequent PMEs didn't trigger > interrupts. > > This problem can be avoided by clearing the Root PME Status bits in > all PCI Express root ports during early resume. For this purpose, > add an early resume routine to the PCIe port driver and make this > driver be always registered, even if pci_ports_disable is set (in > which case the driver's only function is to provide the early > resume callback). > > Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> > --- > Applied to my linux-next branch, thanks. -- Jesse Barnes, Intel Open Source Technology Center _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
