igb: Fix for I347AT4 PHY cable length unit detection

The PHY cable length unit detection was not using the correct
the correct PHY data variable for I347AT4.

(cherry picked from commit d5a0e3640c05b7d07c548f9f8f986dbb87cfad98)
Signed-off-by: Tomasz Kantecki <tomasz.kantecki@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Joe Jin <joe.jin@oracle.com>

diff --git a/drivers/net/igb/e1000_phy.c b/drivers/net/igb/e1000_phy.c
index 7edf31efe756a45bc56844eb672bd025a1dd7fb6..b17d7c20f8177816434f914f15635b3624361d5e 100644 (file)
--- a/drivers/net/igb/e1000_phy.c
+++ b/drivers/net/igb/e1000_phy.c
@@ -1687,7 +1687,7 @@ s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw)
                if (ret_val)
                        goto out;
 
-               is_cm = !(phy_data & I347AT4_PCDC_CABLE_LENGTH_UNIT);
+               is_cm = !(phy_data2 & I347AT4_PCDC_CABLE_LENGTH_UNIT);
 
                /* Populate the phy structure with cable length in meters */
                phy->min_cable_length = phy_data / (is_cm ? 100 : 1);