IB/mthca: Use PCI Express Capability accessors

Use PCI Express Capability access functions to simplify mthca driver.

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

diff --git a/drivers/infiniband/hw/mthca/mthca_reset.c b/drivers/infiniband/hw/mthca/mthca_reset.c
index 4fa3534..74c6a94 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_reset.c
+++ b/drivers/infiniband/hw/mthca/mthca_reset.c
@@ -241,16 +241,16 @@ good:
 
        if (hca_pcie_cap) {
                devctl = hca_header[(hca_pcie_cap + PCI_EXP_DEVCTL) / 4];
-               if (pci_write_config_word(mdev->pdev, hca_pcie_cap + PCI_EXP_DEVCTL,
-                                          devctl)) {
+               if (pcie_capability_write_word(mdev->pdev, PCI_EXP_DEVCTL,
+                                              devctl)) {
                        err = -ENODEV;
                        mthca_err(mdev, "Couldn't restore HCA PCI Express "
                                  "Device Control register, aborting.\n");
                        goto out;
                }
                linkctl = hca_header[(hca_pcie_cap + PCI_EXP_LNKCTL) / 4];
-               if (pci_write_config_word(mdev->pdev, hca_pcie_cap + PCI_EXP_LNKCTL,
-                                          linkctl)) {
+               if (pcie_capability_write_word(mdev->pdev, PCI_EXP_LNKCTL,
+                                              linkctl)) {
                        err = -ENODEV;
                        mthca_err(mdev, "Couldn't restore HCA PCI Express "
                                  "Link control register, aborting.\n");