igb: cleanup igb loopback path
The code path for setting up phy loopback testing was out of date and was
setting bits it didn't need to. This change cleans up the code path and
removes some code that has no effect on teh driver.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index fb09c8a..27eae49 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -1419,7 +1419,6 @@
{
struct e1000_hw *hw = &adapter->hw;
u32 ctrl_reg = 0;
- u32 stat_reg = 0;
hw->mac.autoneg = false;
@@ -1443,18 +1442,11 @@
ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
- E1000_CTRL_FD); /* Force Duplex to FULL */
+ E1000_CTRL_FD | /* Force Duplex to FULL */
+ E1000_CTRL_SLU); /* Set link up enable bit */
- if (hw->phy.media_type == e1000_media_type_copper &&
- hw->phy.type == e1000_phy_m88)
+ if (hw->phy.type == e1000_phy_m88)
ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
- else {
- /* Set the ILOS bit on the fiber Nic if half duplex link is
- * detected. */
- stat_reg = rd32(E1000_STATUS);
- if ((stat_reg & E1000_STATUS_FD) == 0)
- ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
- }
wr32(E1000_CTRL, ctrl_reg);