PCI: Introduce pci_pcie_type(dev) to replace pci_dev->pcie_type

Introduce an inline function pci_pcie_type(dev) to extract PCIe
device type from pci_dev->pcie_flags_reg field, and prepare for
removing pci_dev->pcie_type.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 7469b5346643..8b5075d6dd5a 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2350,7 +2350,7 @@ static int iommu_should_identity_map(struct pci_dev *pdev, int startup)
                         return 0;
                 if (pdev->class >> 8 == PCI_CLASS_BRIDGE_PCI)
                         return 0;
-        } else if (pdev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE)
+        } else if (pci_pcie_type(pdev) == PCI_EXP_TYPE_PCI_BRIDGE)
                 return 0;
 
         /* 
@@ -3545,10 +3545,10 @@ found:
                 struct pci_dev *bridge = bus->self;
 
                 if (!bridge || !pci_is_pcie(bridge) ||
-                    bridge->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE)
+                    pci_pcie_type(bridge) == PCI_EXP_TYPE_PCI_BRIDGE)
                         return 0;
 
-                if (bridge->pcie_type == PCI_EXP_TYPE_ROOT_PORT) {
+                if (pci_pcie_type(bridge) == PCI_EXP_TYPE_ROOT_PORT) {
                         for (i = 0; i < atsru->devices_cnt; i++)
                                 if (atsru->devices[i] == bridge)
                                         return 1;