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atl1c: Disable L0S when no cable link

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huang, Xiong 2012-04-30 15:38:57 +00:00 committed by David S. Miller
parent 5e5c0964d9
commit 4fc363528c
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/atheros/atl1c/atl1c_main.c
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@ -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;