From mboxrd@z Thu Jan 1 00:00:00 1970 From: Corcodel Marian Subject: [PATCH, net-next] r8169: Disable some bits on pcie Date: Thu, 20 Aug 2015 13:12:33 +0300 Message-ID: <1440065553-15028-1-git-send-email-corcodel.marian@gmail.com> Cc: Corcodel Marian To: netdev@vger.kernel.org Return-path: Received: from mail-wi0-f174.google.com ([209.85.212.174]:36741 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752317AbbHTKMq (ORCPT ); Thu, 20 Aug 2015 06:12:46 -0400 Received: by wicja10 with SMTP id ja10so141229409wic.1 for ; Thu, 20 Aug 2015 03:12:45 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Disable legacy interrupt on pci express interface use msi disable some bits from pci express interface wich is not need on this nic. Signed-off-by: Corcodel Marian diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 6d16de3..b1fb54f 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -8164,6 +8164,13 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (!pci_is_pcie(pdev)) netif_info(tp, probe, dev, "not PCI Express\n"); + if (pci_is_pcie(pdev)) + pci_write_config_word(pdev, PCI_COMMAND, ~(PCI_COMMAND_FAST_BACK | PCI_COMMAND_WAIT | + PCI_COMMAND_VGA_PALETTE | PCI_COMMAND_INVALIDATE | PCI_COMMAND_SPECIAL)); + + if (pci_is_pcie(pdev)) + pci_intx(pdev, 0); + /* Identify chip attached to board */ rtl8169_get_mac_version(tp, dev, cfg->default_ver); -- 2.1.4