3 files changed, 31 insertions, 13 deletions

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index f844e6c6063b..d3d4a57e2450 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -936,12 +936,14 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
         ew32(IMC, 0xffffffff);
         icr = er32(ICR);
 
-        /* Install any alternate MAC address into RAR0 */
-        ret_val = e1000_check_alt_mac_addr_generic(hw);
-        if (ret_val)
-                return ret_val;
+        if (hw->mac.type == e1000_82571) {
+                /* Install any alternate MAC address into RAR0 */
+                ret_val = e1000_check_alt_mac_addr_generic(hw);
+                if (ret_val)
+                        return ret_val;
 
-        e1000e_set_laa_state_82571(hw, true);
+                e1000e_set_laa_state_82571(hw, true);
+        }
 
         /* Reinitialize the 82571 serdes link state machine */
         if (hw->phy.media_type == e1000_media_type_internal_serdes)
@@ -1618,14 +1620,16 @@ static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw)
 {
         s32 ret_val = 0;
 
-        /*
-         * If there's an alternate MAC address place it in RAR0
-         * so that it will override the Si installed default perm
-         * address.
-         */
-        ret_val = e1000_check_alt_mac_addr_generic(hw);
-        if (ret_val)
-                goto out;
+        if (hw->mac.type == e1000_82571) {
+                /*
+                 * If there's an alternate MAC address place it in RAR0
+                 * so that it will override the Si installed default perm
+                 * address.
+                 */
+                ret_val = e1000_check_alt_mac_addr_generic(hw);
+                if (ret_val)
+                        goto out;
+        }
 
         ret_val = e1000_read_mac_addr_generic(hw);
 
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index 307a72f483ee..93b3bedae8d2 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -621,6 +621,7 @@
 #define E1000_FLASH_UPDATES  2000
 
 /* NVM Word Offsets */
+#define NVM_COMPAT                 0x0003
 #define NVM_ID_LED_SETTINGS        0x0004
 #define NVM_INIT_CONTROL2_REG      0x000F
 #define NVM_INIT_CONTROL3_PORT_B   0x0014
@@ -643,6 +644,9 @@
 /* Mask bits for fields in Word 0x1a of the NVM */
 #define NVM_WORD1A_ASPM_MASK  0x000C
 
+/* Mask bits for fields in Word 0x03 of the EEPROM */
+#define NVM_COMPAT_LOM    0x0800
+
 /* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
 #define NVM_SUM                    0xBABA
 
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index df4a27922931..0fd4eb5ac5fb 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -183,6 +183,16 @@ s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw)
         u16 offset, nvm_alt_mac_addr_offset, nvm_data;
         u8 alt_mac_addr[ETH_ALEN];
 
+        ret_val = e1000_read_nvm(hw, NVM_COMPAT, 1, &nvm_data);
+        if (ret_val)
+                goto out;
+
+        /* Check for LOM (vs. NIC) or one of two valid mezzanine cards */
+        if (!((nvm_data & NVM_COMPAT_LOM) ||
+              (hw->adapter->pdev->device == E1000_DEV_ID_82571EB_SERDES_DUAL) ||
+              (hw->adapter->pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD)))
+                goto out;
+
         ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1,
                                  &nvm_alt_mac_addr_offset);
         if (ret_val) {