1 files changed, 46 insertions, 19 deletions

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index c505b50d1fa3..9d7fa2fb85ea 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -727,6 +727,34 @@ static s32 igb_check_for_link_82575(struct e1000_hw *hw)
 }
 
 /**
+ *  igb_power_up_serdes_link_82575 - Power up the serdes link after shutdown
+ *  @hw: pointer to the HW structure
+ **/
+void igb_power_up_serdes_link_82575(struct e1000_hw *hw)
+{
+	u32 reg;
+
+
+	if ((hw->phy.media_type != e1000_media_type_internal_serdes) &&
+	    !igb_sgmii_active_82575(hw))
+		return;
+
+	/* Enable PCS to turn on link */
+	reg = rd32(E1000_PCS_CFG0);
+	reg |= E1000_PCS_CFG_PCS_EN;
+	wr32(E1000_PCS_CFG0, reg);
+
+	/* Power up the laser */
+	reg = rd32(E1000_CTRL_EXT);
+	reg &= ~E1000_CTRL_EXT_SDP3_DATA;
+	wr32(E1000_CTRL_EXT, reg);
+
+	/* flush the write to verify completion */
+	wrfl();
+	msleep(1);
+}
+
+/**
  *  igb_get_pcs_speed_and_duplex_82575 - Retrieve current speed/duplex
  *  @hw: pointer to the HW structure
  *  @speed: stores the current speed
@@ -791,27 +819,12 @@ static s32 igb_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw, u16 *speed,
 void igb_shutdown_serdes_link_82575(struct e1000_hw *hw)
 {
 	u32 reg;
-	u16 eeprom_data = 0;
 
-	if (hw->phy.media_type != e1000_media_type_internal_serdes ||
+	if (hw->phy.media_type != e1000_media_type_internal_serdes &&
 	    igb_sgmii_active_82575(hw))
 		return;
 
-	if (hw->bus.func == E1000_FUNC_0)
-		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
-	else if (hw->mac.type == e1000_82580)
-		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A +
-		                 NVM_82580_LAN_FUNC_OFFSET(hw->bus.func), 1,
-		                 &eeprom_data);
-	else if (hw->bus.func == E1000_FUNC_1)
-		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
-
-	/*
-	 * If APM is not enabled in the EEPROM and management interface is
-	 * not enabled, then power down.
-	 */
-	if (!(eeprom_data & E1000_NVM_APME_82575) &&
-	    !igb_enable_mng_pass_thru(hw)) {
+	if (!igb_enable_mng_pass_thru(hw)) {
 		/* Disable PCS to turn off link */
 		reg = rd32(E1000_PCS_CFG0);
 		reg &= ~E1000_PCS_CFG_PCS_EN;
@@ -826,8 +839,6 @@ void igb_shutdown_serdes_link_82575(struct e1000_hw *hw)
 		wrfl();
 		msleep(1);
 	}
-
-	return;
 }
 
 /**
@@ -1183,6 +1194,22 @@ out:
 }
 
 /**
+ * igb_power_down_phy_copper_82575 - Remove link during PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, remove the link.
+ **/
+void igb_power_down_phy_copper_82575(struct e1000_hw *hw)
+{
+	/* If the management interface is not enabled, then power down */
+	if (!(igb_enable_mng_pass_thru(hw) || igb_check_reset_block(hw)))
+		igb_power_down_phy_copper(hw);
+
+	return;
+}
+
+/**
  *  igb_clear_hw_cntrs_82575 - Clear device specific hardware counters
  *  @hw: pointer to the HW structure
  *