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authorJon Mason <jdmason@kudzu.us>2011-06-27 07:46:31 +0000
committerDavid S. Miller <davem@davemloft.net>2011-06-27 21:40:45 -0700
commite44daaded19baf8b7cf9ab3dedad8a01b8c49251 (patch)
treed7efeb7a2737e20a666ef03f7905cc8fe47d00a6
parentd3aa0cb44f2cfcdfa6df1bd40b9c182b35528849 (diff)
r8169: remove unnecessary read of PCI_CAP_ID_EXP
The PCIE capability offset is saved during PCI bus walking. Use the value from pci_dev instead of checking in the driver and saving it off the the driver specific structure. Also, it will remove an unnecessary search in the PCI configuration space if this value is referenced instead of reacquiring it. Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/r8169.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index f8c4435afe5..fbd68383ca6 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -659,7 +659,6 @@ struct rtl8169_private {
unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
unsigned int (*link_ok)(void __iomem *);
int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
- int pcie_cap;
struct delayed_work task;
unsigned features;
@@ -3444,9 +3443,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
}
tp->mmio_addr = ioaddr;
- tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
- if (!tp->pcie_cap)
- netif_info(tp, probe, dev, "no PCI Express capability\n");
+ if (!pci_is_pcie(pdev))
+ netif_info(tp, probe, dev, "not PCI Express\n");
RTL_W16(IntrMask, 0x0000);
@@ -3898,9 +3896,7 @@ static void rtl_hw_start_8169(struct net_device *dev)
static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct rtl8169_private *tp = netdev_priv(dev);
- int cap = tp->pcie_cap;
+ int cap = pci_pcie_cap(pdev);
if (cap) {
u16 ctl;
@@ -3948,9 +3944,7 @@ static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int l
static void rtl_disable_clock_request(struct pci_dev *pdev)
{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct rtl8169_private *tp = netdev_priv(dev);
- int cap = tp->pcie_cap;
+ int cap = pci_pcie_cap(pdev);
if (cap) {
u16 ctl;
@@ -3963,9 +3957,7 @@ static void rtl_disable_clock_request(struct pci_dev *pdev)
static void rtl_enable_clock_request(struct pci_dev *pdev)
{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct rtl8169_private *tp = netdev_priv(dev);
- int cap = tp->pcie_cap;
+ int cap = pci_pcie_cap(pdev);
if (cap) {
u16 ctl;
@@ -4395,7 +4387,7 @@ static void rtl_hw_start_8101(struct net_device *dev)
if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
tp->mac_version == RTL_GIGA_MAC_VER_16) {
- int cap = tp->pcie_cap;
+ int cap = pci_pcie_cap(pdev);
if (cap) {
pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,