1 files changed, 20 insertions, 7 deletions

diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c
index be8d010e4021..90c5e01e9235 100644
--- a/drivers/net/igb/e1000_mac.c
+++ b/drivers/net/igb/e1000_mac.c
@@ -53,17 +53,30 @@ s32 igb_get_bus_info_pcie(struct e1000_hw *hw)
         u16 pcie_link_status;
 
         bus->type = e1000_bus_type_pci_express;
-        bus->speed = e1000_bus_speed_2500;
 
         ret_val = igb_read_pcie_cap_reg(hw,
-                                          PCIE_LINK_STATUS,
-                                          &pcie_link_status);
-        if (ret_val)
+                                        PCI_EXP_LNKSTA,
+                                        &pcie_link_status);
+        if (ret_val) {
                 bus->width = e1000_bus_width_unknown;
-        else
+                bus->speed = e1000_bus_speed_unknown;
+        } else {
+                switch (pcie_link_status & PCI_EXP_LNKSTA_CLS) {
+                case PCI_EXP_LNKSTA_CLS_2_5GB:
+                        bus->speed = e1000_bus_speed_2500;
+                        break;
+                case PCI_EXP_LNKSTA_CLS_5_0GB:
+                        bus->speed = e1000_bus_speed_5000;
+                        break;
+                default:
+                        bus->speed = e1000_bus_speed_unknown;
+                        break;
+                }
+
                 bus->width = (enum e1000_bus_width)((pcie_link_status &
-                                                     PCIE_LINK_WIDTH_MASK) >>
-                                                     PCIE_LINK_WIDTH_SHIFT);
+                                                     PCI_EXP_LNKSTA_NLW) >>
+                                                     PCI_EXP_LNKSTA_NLW_SHIFT);
+        }
 
         reg = rd32(E1000_STATUS);
         bus->func = (reg & E1000_STATUS_FUNC_MASK) >> E1000_STATUS_FUNC_SHIFT;