From 9c5282180bab47991f45fe561d5340847fef2bd9 Mon Sep 17 00:00:00 2001
From: "Huang, Xiong" <xiong@qca.qualcomm.com>
Date: Wed, 18 Apr 2012 22:01:21 +0000
Subject: [PATCH] atl1c: threshold for ASPM is changed based on chip capability

threshold setting to control ASPM for diff chips are different.
currently, all gigabit-capability chips have limited-ASPM under
100M throughput.

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>
---
 drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 02754ac13068..2e1c9f39ff99 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -1080,9 +1080,10 @@ static void atl1c_configure_rx(struct atl1c_adapter *adapter)
 	if (hw->ctrl_flags & ATL1C_RX_IPV6_CHKSUM)
 		rxq_ctrl_data |= IPV6_CHKSUM_CTRL_EN;
 
-	if (hw->ctrl_flags & ATL1C_ASPM_CTRL_MON)
-		rxq_ctrl_data |= (ASPM_THRUPUT_LIMIT_1M &
-			ASPM_THRUPUT_LIMIT_MASK) << ASPM_THRUPUT_LIMIT_SHIFT;
+	/* aspm for gigabit */
+	if (hw->nic_type != athr_l1d_2 && (hw->device_id & 1) != 0)
+		rxq_ctrl_data = FIELD_SETX(rxq_ctrl_data, ASPM_THRUPUT_LIMIT,
+			ASPM_THRUPUT_LIMIT_100M);
 
 	AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data);
 }
-- 
2.30.9