e1000e: remove unnecessary reads 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>
git-mirror · Jun 28, 2011 · 353064d · 353064d
1 parent 6532e9c
commit 353064d
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
@@ -56,7 +56,7 @@ s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw)
 	struct e1000_adapter *adapter = hw->adapter;
 	u16 pcie_link_status, cap_offset;
 
-	cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
+	cap_offset = adapter->pdev->pcie_cap;
 	if (!cap_offset) {
 		bus->width = e1000_bus_width_unknown;
 	} else {

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
@@ -5318,7 +5318,7 @@ static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
 	 */
 	if (adapter->flags & FLAG_IS_QUAD_PORT) {
 		struct pci_dev *us_dev = pdev->bus->self;
-		int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
+		int pos = pci_pcie_cap(us_dev);
 		u16 devctl;
 
 		pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);