rtlwifi: remove unnecessary read of PCI_CAP_ID_EXP

The PCIE capability offset is saved during PCI bus walking.  It will
remove an unnecessary search in the PCI configuration space if this
value is referenced instead of reacquiring it.

Also, remove unnecessary and unused #defines for PCI.

Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 6a15f368ebb..aa0ba9ec6aa 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -390,7 +390,7 @@ static void rtl_pci_parse_configuration(struct pci_dev *pdev,
         u8 linkctrl_reg;
 
         /*Link Control Register */
-        pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
+        pos = pci_pcie_cap(pdev);
         pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &linkctrl_reg);
         pcipriv->ndis_adapter.linkctrl_reg = linkctrl_reg;