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>

diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 6a15f36..aa0ba9e 100644 (file)
--- 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;
 

diff --git a/drivers/net/wireless/rtlwifi/pci.h b/drivers/net/wireless/rtlwifi/pci.h
index 671b1f5..76f4200 100644 (file)
--- a/drivers/net/wireless/rtlwifi/pci.h
+++ b/drivers/net/wireless/rtlwifi/pci.h
@@ -75,11 +75,6 @@
 #define PCI_CONF_ADDRESS       0x0CF8  /*PCI Configuration Space Address */
 #define PCI_CONF_DATA          0x0CFC  /*PCI Configuration Space Data */
 
-#define PCI_CLASS_BRIDGE_DEV           0x06
-#define PCI_SUBCLASS_BR_PCI_TO_PCI     0x04
-#define PCI_CAPABILITY_ID_PCI_EXPRESS  0x10
-#define PCI_CAP_ID_EXP                 0x10
-
 #define U1DONTCARE                     0xFF
 #define U2DONTCARE                     0xFFFF
 #define U4DONTCARE                     0xFFFFFFFF