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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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