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/pci/iov.c b/drivers/pci/iov.c
index 74bbaf82638d..aeccc911abb8 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -433,8 +433,8 @@ static int sriov_init(struct pci_dev *dev, int pos)
         struct resource *res;
         struct pci_dev *pdev;
 
-        if (dev->pcie_type != PCI_EXP_TYPE_RC_END &&
-            dev->pcie_type != PCI_EXP_TYPE_ENDPOINT)
+        if (pci_pcie_type(dev) != PCI_EXP_TYPE_RC_END &&
+            pci_pcie_type(dev) != PCI_EXP_TYPE_ENDPOINT)
                 return -ENODEV;
 
         pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &ctrl);
@@ -503,7 +503,7 @@ found:
         iov->self = dev;
         pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
         pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
-        if (dev->pcie_type == PCI_EXP_TYPE_RC_END)
+        if (pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END)
                 iov->link = PCI_DEVFN(PCI_SLOT(dev->devfn), iov->link);
 
         if (pdev)