netdev - [PATCH 03/10] atl1c: clear WoL status when reset pcie

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Message-ID: <1335578325-21326-4-git-send-email-xiong@qca.qualcomm.com>
Date:	Sat, 28 Apr 2012 09:58:38 +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 03/10] atl1c: clear WoL status when reset pcie

WoL status is read-clear and should be cleared when in S0
status.
putting it in atl1c_reset_pcie is more suitable than
in atl1c_get_permanent_address.

Signed-off-by: xiong <xiong@....qualcomm.com>
Tested-by: Liu David <dwliu@....qualcomm.com>
---
 drivers/net/ethernet/atheros/atl1c/atl1c_hw.c   |    5 -----
 drivers/net/ethernet/atheros/atl1c/atl1c_main.c |    3 +++
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c
index 209c179..49f433e 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c
@@ -73,7 +73,6 @@ static int atl1c_get_permanent_address(struct atl1c_hw *hw)
 	u32 otp_ctrl_data;
 	u32 twsi_ctrl_data;
 	u32 ltssm_ctrl_data;
-	u32 wol_data;
 	u8  eth_addr[ETH_ALEN];
 	u16 phy_data;
 	bool raise_vol = false;
@@ -114,10 +113,6 @@ static int atl1c_get_permanent_address(struct atl1c_hw *hw)
 		ltssm_ctrl_data &= ~LTSSM_ID_EN_WRO;
 		AT_WRITE_REG(hw, REG_LTSSM_ID_CTRL, ltssm_ctrl_data);
 
-		/* clear any WOL settings */
-		AT_WRITE_REG(hw, REG_WOL_CTRL, 0);
-		AT_READ_REG(hw, REG_WOL_CTRL, &wol_data);
-
 
 		AT_READ_REG(hw, REG_TWSI_CTRL, &twsi_ctrl_data);
 		twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART;
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 50df437..6552913 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -133,6 +133,9 @@ static void atl1c_reset_pcie(struct atl1c_hw *hw, u32 flag)
 	 */
 	pci_enable_wake(pdev, PCI_D3hot, 0);
 	pci_enable_wake(pdev, PCI_D3cold, 0);
+	/* wol sts read-clear */
+	AT_READ_REG(hw, REG_WOL_CTRL, &data);
+	AT_WRITE_REG(hw, REG_WOL_CTRL, 0);
 
 	/*
 	 * Mask some pcie error bits
-- 
1.7.7

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