PCI/portdrv: Use PCI Express Capability accessors

Use PCI Express Capability access functions to simplify portdrv.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index d03a7a3..70d3555 100644 (file)
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -120,8 +120,7 @@ static int pcie_port_enable_msix(struct pci_dev *dev, int *vectors, int mask)
                 * the value in this field indicates which MSI-X Table entry is
                 * used to generate the interrupt message."
                 */
-               pos = pci_pcie_cap(dev);
-               pci_read_config_word(dev, pos + PCI_EXP_FLAGS, &reg16);
+               pcie_capability_read_word(dev, PCI_EXP_FLAGS, &reg16);
                entry = (reg16 & PCI_EXP_FLAGS_IRQ) >> 9;
                if (entry >= nr_entries)
                        goto Error;