PCI : add extremely specialized __pci_reenable_device for default resume

Original patch was posted as "PCI : Move pci_fixup_device and is_enabled".
This 3 of 3 patches does:

  - add __pci_reenable_device
    (recover former change of 1st patch)

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 1ec546d3d53c..dd2da9b6b119 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -324,8 +324,7 @@ static int pci_default_resume(struct pci_dev *pci_dev)
         /* restore the PCI config space */
         pci_restore_state(pci_dev);
         /* if the device was enabled before suspend, reenable */
-        if (atomic_read(&pci_dev->enable_cnt))
-                retval = pci_enable_device(pci_dev);
+        retval = __pci_reenable_device(pci_dev);
         /* if the device was busmaster before the suspend, make it busmaster again */
         if (pci_dev->is_busmaster)
                 pci_set_master(pci_dev);