netdev - [PATCH, net-next] r8169: Disable some bits on pcie

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Date:	Thu, 20 Aug 2015 13:12:33 +0300
From:	Corcodel Marian <corcodel.marian@...il.com>
To:	netdev@...r.kernel.org
Cc:	Corcodel Marian <corcodel.marian@...il.com>
Subject: [PATCH, net-next] r8169: Disable some bits on pcie

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 <corcodel.marian@...il.com>

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

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