bnx2: use pdev->pm_cap instead of pci_find_capability(.., PCI_CAP_ID_PM)

Pci core has been saved pm cap register offset by pdev->pm_cap in pci_pm_init()
in init path. So we can use pdev->pm_cap instead of using
pci_find_capability(pdev, PCI_CAP_ID_PM) for better performance and simplified code.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Cc: Michael Chan <mchan@broadcom.com>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
index 1a1b23e..6a2de1d 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2.c
+++ b/drivers/net/ethernet/broadcom/bnx2.c
@@ -8104,7 +8104,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 
        pci_set_master(pdev);
 
-       bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
+       bp->pm_cap = pdev->pm_cap;
        if (bp->pm_cap == 0) {
                dev_err(&pdev->dev,
                        "Cannot find power management capability, aborting\n");