cxgb3: 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.
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index c688421..44ac2f4 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -3290,22 +3290,20 @@
unsigned int fst_trn_rx, fst_trn_tx, acklat, rpllmt;
pci_read_config_word(adap->pdev,
- adap->params.pci.pcie_cap_addr + PCI_EXP_DEVCTL,
+ adap->pdev->pcie_cap + PCI_EXP_DEVCTL,
&val);
pldsize = (val & PCI_EXP_DEVCTL_PAYLOAD) >> 5;
pci_read_config_word(adap->pdev, 0x2, &devid);
if (devid == 0x37) {
pci_write_config_word(adap->pdev,
- adap->params.pci.pcie_cap_addr +
- PCI_EXP_DEVCTL,
+ adap->pdev->pcie_cap + PCI_EXP_DEVCTL,
val & ~PCI_EXP_DEVCTL_READRQ &
~PCI_EXP_DEVCTL_PAYLOAD);
pldsize = 0;
}
- pci_read_config_word(adap->pdev,
- adap->params.pci.pcie_cap_addr + PCI_EXP_LNKCTL,
+ pci_read_config_word(adap->pdev, adap->pdev->pcie_cap + PCI_EXP_LNKCTL,
&val);
fst_trn_tx = G_NUMFSTTRNSEQ(t3_read_reg(adap, A_PCIE_PEX_CTRL0));
@@ -3429,12 +3427,11 @@
static unsigned short speed_map[] = { 33, 66, 100, 133 };
u32 pci_mode, pcie_cap;
- pcie_cap = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
+ pcie_cap = pci_pcie_cap(adapter->pdev);
if (pcie_cap) {
u16 val;
p->variant = PCI_VARIANT_PCIE;
- p->pcie_cap_addr = pcie_cap;
pci_read_config_word(adapter->pdev, pcie_cap + PCI_EXP_LNKSTA,
&val);
p->width = (val >> 4) & 0x3f;