1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 378335f2b237..589e54246ad2 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4177,6 +4177,28 @@ static void e1000_print_device_info(struct e1000_adapter *adapter)
                hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
 }
 
+static void e1000_eeprom_checks(struct e1000_adapter *adapter)
+{
+        struct e1000_hw *hw = &adapter->hw;
+        int ret_val;
+        u16 buf = 0;
+
+        if (hw->mac.type != e1000_82573)
+                return;
+
+        ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
+        if (!(le16_to_cpu(buf) & (1 << 0))) {
+                /* Deep Smart Power Down (DSPD) */
+                e_warn("Warning: detected DSPD enabled in EEPROM\n");
+        }
+
+        ret_val = e1000_read_nvm(hw, NVM_INIT_3GIO_3, 1, &buf);
+        if (le16_to_cpu(buf) & (3 << 2)) {
+                /* ASPM enable */
+                e_warn("Warning: detected ASPM enabled in EEPROM\n");
+        }
+}
+
 /**
  * e1000e_is_need_ioport - determine if an adapter needs ioport resources or not
  * @pdev: PCI device information struct
@@ -4400,6 +4422,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
                 }
         }
 
+        e1000_eeprom_checks(adapter);
+
         /* copy the MAC address out of the NVM */
         if (e1000e_read_mac_addr(&adapter->hw))
                 e_err("NVM Read Error while reading MAC address\n");