PCI PM: Fix handling of devices without drivers

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Suspend to RAM is reported to break on some machines as a result of
attempting to put one of driverless PCI devices into a low power
state.  Avoid that by not attepmting to power manage driverless
devices during suspend.

Fix up pci_pm_poweroff() after a previous incomplete fix for the same
thing during hibernation.

This patch is reported to fix the regression from 2.6.28 tracked as
http://bugzilla.kernel.org/show_bug.cgi?id=12605

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-and-tested-by: Eric Sesterhenn <snakebyte@gmx.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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Rafael J. Wysocki 2009-02-04 01:56:14 +01:00 • committed by Jesse Barnes

parent 97c44836cd

commit ddb7c9d29f

1 changed files with 12 additions and 15 deletions

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drivers/pci/pci-driver.c

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