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PCI PM: Fix hibernation breakage on EeePC 701
Hibernation breaks on EeePC 701 as a result of attempting to put one of its (driverless) devices into a low power state. Avoid that by not attepmting to power manage driverless devices during hibernation. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-and-tested-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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@ -669,7 +669,10 @@ static int pci_pm_poweroff(struct device *dev)
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if (pci_has_legacy_pm_support(pci_dev))
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return pci_legacy_suspend(dev, PMSG_HIBERNATE);
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if (drv && drv->pm && drv->pm->poweroff) {
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if (!drv || !drv->pm)
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return 0;
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if (drv->pm->poweroff) {
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error = drv->pm->poweroff(dev);
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suspend_report_result(drv->pm->poweroff, error);
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}
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