From 545ffd58adc86b8d33449dab44fe81b503a6f81b Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Thu, 22 Jan 2009 23:36:56 +0100 Subject: [PATCH] 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 Reported-and-tested-by: Alan Jenkins Signed-off-by: Jesse Barnes --- drivers/pci/pci-driver.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 4884c4840b3d..ab1d615425a8 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -669,7 +669,10 @@ static int pci_pm_poweroff(struct device *dev) if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend(dev, PMSG_HIBERNATE); - if (drv && drv->pm && drv->pm->poweroff) { + if (!drv || !drv->pm) + return 0; + + if (drv->pm->poweroff) { error = drv->pm->poweroff(dev); suspend_report_result(drv->pm->poweroff, error); } -- 2.20.1