From 0f847584a84cfe2bb24d82df516d745db840bb5f Mon Sep 17 00:00:00 2001 From: Yijing Wang Date: Thu, 8 Aug 2013 21:03:12 +0800 Subject: [PATCH] tg3: clean up unnecessary MSI/MSI-X capability find PCI core will initialize device MSI/MSI-X capability in pci_msi_init_pci_dev(). So device driver should use pci_dev->msi_cap/msix_cap to determine whether the device support MSI/MSI-X instead of using pci_find_capability(pci_dev, PCI_CAP_ID_MSI/MSIX). Access to PCIe device config space again will consume more time. Signed-off-by: Yijing Wang Cc: Nithin Nayak Sujir Cc: Michael Chan Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/tg3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 51bf9ca..ff28081 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -15967,7 +15967,7 @@ static int tg3_get_invariants(struct tg3 *tp, const struct pci_device_id *ent) */ if (tg3_flag(tp, 5780_CLASS)) { tg3_flag_set(tp, 40BIT_DMA_BUG); - tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI); + tp->msi_cap = tp->pdev->msi_cap; } else { struct pci_dev *bridge = NULL; -- 2.7.4