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From:   Mian Yousaf Kaukab <ykaukab@suse.de>
To:     netdev@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        tharvey@gateworks.com, davem@davemloft.net, rric@kernel.org,
        sgoutham@cavium.com, sergei.shtylyov@cogentembedded.com,
        andrew@lunn.ch, Mian Yousaf Kaukab <ykaukab@suse.de>
Subject: [PATCH v1] net: thunderx: start phy before starting autonegotiation
Date:   Wed,  4 Dec 2019 18:23:51 +0100
Message-Id: <20191204172351.29709-1-ykaukab@suse.de>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Since commit 2b3e88ea6528 ("net: phy: improve phy state checking")
phy_start_aneg() expects phy state to be >= PHY_UP. Call phy_start()
before calling phy_start_aneg() during probe so that autonegotiation
is initiated.

As phy_start() takes care of calling phy_start_aneg(), drop the explicit
call to phy_start_aneg().

Network fails without this patch on Octeon TX.

Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de>
---
v1: 
-Remove call to phy_start_aneg() as suggested by Andrew Lunn
-Fix reference to patch in change log as suggested by Sergei Shtylyov

 drivers/net/ethernet/cavium/thunder/thunder_bgx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index 1e09fdb63c4f..c4f6ec0cd183 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -1115,7 +1115,7 @@ static int bgx_lmac_enable(struct bgx *bgx, u8 lmacid)
 				       phy_interface_mode(lmac->lmac_type)))
 			return -ENODEV;
 
-		phy_start_aneg(lmac->phydev);
+		phy_start(lmac->phydev);
 		return 0;
 	}
 
-- 
2.16.4