PCI: use pci_is_pcie() in pci core

Change for PCI core to use pci_is_pcie() instead of checking
pci_dev->is_pcie.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index b1e97e6..b8802ae 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1611,7 +1611,7 @@
 			return ret;
 		parent = parent->bus->self;
 	}
-	if (tmp->is_pcie) /* this is a PCIE-to-PCI bridge */
+	if (pci_is_pcie(tmp)) /* this is a PCIE-to-PCI bridge */
 		return domain_context_mapping_one(domain,
 					pci_domain_nr(tmp->subordinate),
 					tmp->subordinate->number, 0,
@@ -1651,7 +1651,7 @@
 			return ret;
 		parent = parent->bus->self;
 	}
-	if (tmp->is_pcie)
+	if (pci_is_pcie(tmp))
 		return device_context_mapped(iommu, tmp->subordinate->number,
 					     0);
 	else
@@ -1821,7 +1821,7 @@
 
 	dev_tmp = pci_find_upstream_pcie_bridge(pdev);
 	if (dev_tmp) {
-		if (dev_tmp->is_pcie) {
+		if (pci_is_pcie(dev_tmp)) {
 			bus = dev_tmp->subordinate->number;
 			devfn = 0;
 		} else {
@@ -2182,7 +2182,7 @@
 	 * the 1:1 domain, just in _case_ one of their siblings turns out
 	 * not to be able to map all of memory.
 	 */
-	if (!pdev->is_pcie) {
+	if (!pci_is_pcie(pdev)) {
 		if (!pci_is_root_bus(pdev->bus))
 			return 0;
 		if (pdev->class >> 8 == PCI_CLASS_BRIDGE_PCI)
@@ -3280,7 +3280,7 @@
 					 parent->devfn);
 			parent = parent->bus->self;
 		}
-		if (tmp->is_pcie) /* this is a PCIE-to-PCI bridge */
+		if (pci_is_pcie(tmp)) /* this is a PCIE-to-PCI bridge */
 			iommu_detach_dev(iommu,
 				tmp->subordinate->number, 0);
 		else /* this is a legacy PCI bridge */