On Sat, 27 Feb 2010 21:37:37 +0100 "Rafael J. Wysocki" <rjw@xxxxxxx> wrote: > From: Rafael J. Wysocki <rjw@xxxxxxx> > > Make the run-time power management of PCI devices be inactive by > default by calling pm_runtime_forbid() for each PCI device during its > initialization. This setting may be overriden by the user space with > the help of the /sys/devices/.../power/control interface. > > That's necessary to avoid breakage on systems where ACPI-based > wake-up is known to fail for some devices. > > Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> > --- > drivers/pci/pci.c | 2 ++ > 1 file changed, 2 insertions(+) > > Index: linux-2.6/drivers/pci/pci.c > =================================================================== > --- linux-2.6.orig/drivers/pci/pci.c > +++ linux-2.6/drivers/pci/pci.c > @@ -1540,8 +1540,10 @@ void pci_pm_init(struct pci_dev *dev) > int pm; > u16 pmc; > > + pm_runtime_forbid(&dev->dev); > device_enable_async_suspend(&dev->dev); > dev->wakeup_prepared = false; > + > dev->pm_cap = 0; > > /* find PCI PM capability in list */ > Applied to my for-linus branch, thanks. -- Jesse Barnes, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
