PCI PM: Add suspend counterpart of pci_reenable_device

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PCI devices without drivers are not disabled during suspend and
hibernation, but they are enabled during resume, with the help of
pci_reenable_device(), so there is an unbalanced execution of
pcibios_enable_device() in the resume code path.

To correct this introduce function pci_disable_enabled_device()
that will disable the argument device, if it is enabled when the
function is being run, without updating the device's pci_dev
structure and use it in the suspend code path to balance the
pci_reenable_device() executed during resume.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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Rafael J. Wysocki 2009-01-07 13:03:42 +01:00 • committed by Jesse Barnes

parent c9b9972b3c

commit fa58d305d9

3 changed files with 59 additions and 13 deletions

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35

drivers/pci/pci-driver.c

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36

drivers/pci/pci.c

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1

drivers/pci/pci.h

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