netdev - [PATCH] net: ethernet: Fix SGMII unable to switch speed and autonego failure

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Date:   Mon, 14 Nov 2016 17:06:49 +0800
From:   ho.jia.jie@...el.com
To:     peppe.cavallaro@...com, alexandre.torgue@...com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jia Jie Ho <ho.jia.jie@...el.com>
Subject: [PATCH] net: ethernet: Fix SGMII unable to switch speed and autonego failure

From: Jia Jie Ho <ho.jia.jie@...el.com>

TSE PCS SGMII ethernet has an issue where switching speed doesn't work
caused by a faulty register macro offset. This fixes the issue.

Signed-off-by: Jia Jie Ho <ho.jia.jie@...el.com>
---
 drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c b/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c
index 2920e2e..489ef14 100644
--- a/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c
+++ b/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c
@@ -63,8 +63,8 @@
 #define TSE_PCS_SGMII_LINK_TIMER_0			0x0D40
 #define TSE_PCS_SGMII_LINK_TIMER_1			0x0003
 #define TSE_PCS_SW_RESET_TIMEOUT			100
-#define TSE_PCS_USE_SGMII_AN_MASK			BIT(2)
-#define TSE_PCS_USE_SGMII_ENA				BIT(1)
+#define TSE_PCS_USE_SGMII_AN_MASK			BIT(1)
+#define TSE_PCS_USE_SGMII_ENA				BIT(0)
 
 #define SGMII_ADAPTER_CTRL_REG				0x00
 #define SGMII_ADAPTER_DISABLE				0x0001
-- 
1.8.2.1