Add a workaround for dual port PCI-X card that returns status out of order sometimes because of split transactions. Signed-off-by: Stephen Hemminger --- linux-2.6.16.40.orig/drivers/net/sky2.c 2007-02-14 16:45:23.000000000 -0800 +++ linux-2.6.16.40/drivers/net/sky2.c 2007-02-14 16:47:06.000000000 -0800 @@ -1031,7 +1031,25 @@ struct sky2_hw *hw = sky2->hw; unsigned port = sky2->port; u32 ramsize, rxspace; - int err = -ENOMEM; + int cap, err = -ENOMEM; + struct net_device *otherdev = hw->dev[sky2->port^1]; + + /* + * On dual port PCI-X card, there is an problem where status + * can be received out of order due to split transactions + */ + if (otherdev && netif_running(otherdev) && + (cap = pci_find_capability(hw->pdev, PCI_CAP_ID_PCIX))) { + struct sky2_port *osky2 = netdev_priv(otherdev); + u16 cmd; + + cmd = sky2_pci_read16(hw, cap + PCI_X_CMD); + cmd &= ~PCI_X_CMD_MAX_SPLIT; + sky2_pci_write16(hw, cap + PCI_X_CMD, cmd); + + sky2->rx_csum = 0; + osky2->rx_csum = 0; + } if (netif_msg_ifup(sky2)) printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); -- Stephen Hemminger - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html