ixgbe: fix disabling of Tx laser at probe

register_netdev() calls ndo_set_features() which may result in HW reset
which in turn will bring the laser back up.

This patch moves ixgbe_laser_tx_disable() below register_netdev()
in ixgbe_probe() to make sure laser is shut off on load.

(cherry picked from commit 93d3ce8fafb888702311fc8c5917faa4c25b8266)
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Joe Jin <joe.jin@oracle.com>

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 606e92719d1f2b7c2c1faeb7a4ce3da3937b8745..c9aa0e8e5ae26a975135973dc6c972a7ea0c960a 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -7582,13 +7582,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
                goto err_eeprom;
        }
 
-       /* power down the optics for multispeed fiber and 82599 SFP+ fiber */
-       if (hw->mac.ops.disable_tx_laser &&
-           ((hw->phy.multispeed_fiber) ||
-            ((hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) &&
-             (hw->mac.type == ixgbe_mac_82599EB))))
-               hw->mac.ops.disable_tx_laser(hw);
-
        setup_timer(&adapter->service_timer, &ixgbe_service_timer,
                    (unsigned long) adapter);
 
@@ -7686,6 +7679,13 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
        if (err)
                goto err_register;
 
+       /* power down the optics for multispeed fiber and 82599 SFP+ fiber */
+       if (hw->mac.ops.disable_tx_laser &&
+           ((hw->phy.multispeed_fiber) ||
+            ((hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) &&
+             (hw->mac.type == ixgbe_mac_82599EB))))
+               hw->mac.ops.disable_tx_laser(hw);
+
        /* carrier off reporting is important to ethtool even BEFORE open */
        netif_carrier_off(netdev);