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Message-ID: <1335578325-21326-10-git-send-email-xiong@qca.qualcomm.com>
Date:	Sat, 28 Apr 2012 09:58:44 +0800
From:	xiong <xiong@....qualcomm.com>
To:	<davem@...emloft.net>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
CC:	<qca-linux-team@...lcomm.com>, <nic-devel@...lcomm.com>,
	xiong <xiong@....qualcomm.com>
Subject: [PATCH 09/10] 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 <xiong@....qualcomm.com>
Tested-by: Liu David <dwliu@....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

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