[PATCH 09/10] atl1c: Disable L0S when no cable link

xiong
2012-04-28T02:00:35Z

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

Signed-off-by: xiong <xiong@qca.qualcomm.com>
Tested-by: Liu David <dwliu@qca.qualcomm.com>
---
drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index f410d84..1cdd898 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -1328,7 +1328,7 @@ 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;
--
1.7.7