linux-kernel - [PATCH 4.17 317/336] net: fix amd-xgbe flow-control issue

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Date:   Wed,  1 Aug 2018 18:50:52 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, tangpengpeng <tangpengpeng@...on.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.17 317/336] net: fix amd-xgbe flow-control issue

4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: tangpengpeng <tangpengpeng@...on.com>

[ Upstream commit 7f3fc7ddf719cd6faaf787722c511f6918ac6aab ]

If we enable or disable xgbe flow-control by ethtool ,
it does't work.Because the parameter is not properly
assigned,so we need to adjust the assignment order
of the parameters.

Fixes: c1ce2f77366b ("amd-xgbe: Fix flow control setting logic")
Signed-off-by: tangpengpeng <tangpengpeng@...on.com>
Acked-by: Tom Lendacky <thomas.lendacky@....com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/amd/xgbe/xgbe-mdio.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
@@ -1128,14 +1128,14 @@ static void xgbe_phy_adjust_link(struct
 
 		if (pdata->tx_pause != pdata->phy.tx_pause) {
 			new_state = 1;
-			pdata->hw_if.config_tx_flow_control(pdata);
 			pdata->tx_pause = pdata->phy.tx_pause;
+			pdata->hw_if.config_tx_flow_control(pdata);
 		}
 
 		if (pdata->rx_pause != pdata->phy.rx_pause) {
 			new_state = 1;
-			pdata->hw_if.config_rx_flow_control(pdata);
 			pdata->rx_pause = pdata->phy.rx_pause;
+			pdata->hw_if.config_rx_flow_control(pdata);
 		}
 
 		/* Speed support */