Merge branch 'pci/misc' into next

* pci/misc:
  PCI: Enable upstream bridges even for VFs on virtual buses
  PCI: Add pci_upstream_bridge()
  PCI: Add x86_msi.msi_mask_irq() and msix_mask_irq()

1 files changed, 8 insertions, 5 deletions

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e485d92b3fa8..b127fbda6fc8 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1148,12 +1148,12 @@ int pci_reenable_device(struct pci_dev *dev)
 
 static void pci_enable_bridge(struct pci_dev *dev)
 {
+        struct pci_dev *bridge;
         int retval;
 
-        if (!dev)
-                return;
-
-        pci_enable_bridge(dev->bus->self);
+        bridge = pci_upstream_bridge(dev);
+        if (bridge)
+                pci_enable_bridge(bridge);
 
         if (pci_is_enabled(dev)) {
                 if (!dev->is_busmaster)
@@ -1170,6 +1170,7 @@ static void pci_enable_bridge(struct pci_dev *dev)
 
 static int pci_enable_device_flags(struct pci_dev *dev, unsigned long flags)
 {
+        struct pci_dev *bridge;
         int err;
         int i, bars = 0;
 
@@ -1188,7 +1189,9 @@ static int pci_enable_device_flags(struct pci_dev *dev, unsigned long flags)
         if (atomic_inc_return(&dev->enable_cnt) > 1)
                 return 0;               /* already enabled */
 
-        pci_enable_bridge(dev->bus->self);
+        bridge = pci_upstream_bridge(dev);
+        if (bridge)
+                pci_enable_bridge(bridge);
 
         /* only skip sriov related */
         for (i = 0; i <= PCI_ROM_RESOURCE; i++)