From: Rafael J. Wysocki <rjw@sisk.pl>
Date: Wed, 7 Jan 2009 12:03:42 +0000 (+0100)
Subject: PCI PM: Add suspend counterpart of pci_reenable_device
X-Git-Tag: v2.6.29-rc1~181^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa58d305d9925b01830e535896a7227a868a9e15;p=pandora-kernel.git

PCI PM: Add suspend counterpart of pci_reenable_device

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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