atl1c: Disable L0S when no cable link

L0S might be unstable if no cable link, only enable it when link up.

Signed-off-by: xiong <[email protected]>
Tested-by: Liu David <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index e6c62d0aff05a35ca2183cbe10e5ee0bf9891055..05ce8ec6495698ca44a02b5fa7a79d7ae48c348d 100644 (file)
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -1326,7 +1326,7 @@ static void atl1c_set_aspm(struct atl1c_hw *hw, u16 link_speed)
        }
 
        /* L0S/L1 enable */
-       if (hw->ctrl_flags & ATL1C_ASPM_L0S_SUPPORT)
+       if ((hw->ctrl_flags & ATL1C_ASPM_L0S_SUPPORT) && link_speed != SPEED_0)
                pm_ctrl_data |= PM_CTRL_ASPM_L0S_EN | PM_CTRL_MAC_ASPM_CHK;
        if (hw->ctrl_flags & ATL1C_ASPM_L1_SUPPORT)
                pm_ctrl_data |= PM_CTRL_ASPM_L1_EN | PM_CTRL_MAC_ASPM_CHK;