igb: support wol on second port

We need to support wol on the second port for situations such as when the
lan ports are on the motherboard itself.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/igb/e1000_defines.h

@@ -512,6 +512,7 @@
 #define NVM_ID_LED_SETTINGS        0x0004
 /* For SERDES output amplitude adjustment. */
 #define NVM_INIT_CONTROL2_REG      0x000F
+#define NVM_INIT_CONTROL3_PORT_B   0x0014
 #define NVM_INIT_CONTROL3_PORT_A   0x0024
 #define NVM_ALT_MAC_ADDR_PTR       0x0037
 #define NVM_CHECKSUM_REG           0x003F

drivers/net/igb/igb_main.c

@@ -1351,9 +1351,10 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 	 * enable the ACPI Magic Packet filter
 	 */
 
-	if (hw->bus.func == 0 ||
-	    hw->device_id == E1000_DEV_ID_82575EB_COPPER)
+	if (hw->bus.func == 0)
 		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
+	else if (hw->bus.func == 1)
+		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
 
 	if (eeprom_data & eeprom_apme_mask)
 		adapter->eeprom_wol |= E1000_WUFC_MAG;