linux-kernel - [PATCH 1/2] mvneta: consolidate autoneg enabling

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Date:	Wed, 2 Dec 2015 20:33:56 +0300
From:	Stas Sergeev <stsp@...t.ru>
To:	netdev <netdev@...r.kernel.org>
Cc:	Linux kernel <linux-kernel@...r.kernel.org>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>
Subject: [PATCH 1/2] mvneta: consolidate autoneg enabling


This moves autoneg-related bit manipulations to the single place.

CC: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
CC: netdev@...r.kernel.org
CC: linux-kernel@...r.kernel.org

Signed-off-by: Stas Sergeev <stsp@...rs.sourceforge.net>
---
 drivers/net/ethernet/marvell/mvneta.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index e84c7f2..8e0e6de 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1065,15 +1065,28 @@ static void mvneta_defaults_set(struct mvneta_port *pp)
 		       MVNETA_GMAC_AN_SPEED_EN |
 		       MVNETA_GMAC_AN_DUPLEX_EN;
 		mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+
 		val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
 		val |= MVNETA_GMAC_1MS_CLOCK_ENABLE;
 		mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val);
+
+		val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
+		val |= MVNETA_GMAC2_INBAND_AN_ENABLE;
+		mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
 	} else {
 		val = mvreg_read(pp, MVNETA_GMAC_AUTONEG_CONFIG);
 		val &= ~(MVNETA_GMAC_INBAND_AN_ENABLE |
 		       MVNETA_GMAC_AN_SPEED_EN |
 		       MVNETA_GMAC_AN_DUPLEX_EN);
 		mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val);
+
+		val = mvreg_read(pp, MVNETA_GMAC_CLOCK_DIVIDER);
+		val &= ~MVNETA_GMAC_1MS_CLOCK_ENABLE;
+		mvreg_write(pp, MVNETA_GMAC_CLOCK_DIVIDER, val);
+
+		val = mvreg_read(pp, MVNETA_GMAC_CTRL_2);
+		val &= ~MVNETA_GMAC2_INBAND_AN_ENABLE;
+		mvreg_write(pp, MVNETA_GMAC_CTRL_2, val);
 	}

 	mvneta_set_ucast_table(pp, -1);
@@ -3223,9 +3236,6 @@ static int mvneta_port_power_up(struct mvneta_port *pp, int phy_mode)
 		return -EINVAL;
 	}

-	if (pp->use_inband_status)
-		ctrl |= MVNETA_GMAC2_INBAND_AN_ENABLE;
-
 	/* Cancel Port Reset */
 	ctrl &= ~MVNETA_GMAC2_PORT_RESET;
 	mvreg_write(pp, MVNETA_GMAC_CTRL_2, ctrl);
-- 
2.4.3
--
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