linux-kernel - [PATCH v9 net-next 14/15] net: mvpp2: set 802.3x GoP Flow Control mode

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Message-ID: <1612723137-18045-15-git-send-email-stefanc@marvell.com>
Date:   Sun, 7 Feb 2021 20:38:56 +0200
From:   <stefanc@...vell.com>
To:     <netdev@...r.kernel.org>
CC:     <thomas.petazzoni@...tlin.com>, <davem@...emloft.net>,
        <nadavh@...vell.com>, <ymarkman@...vell.com>,
        <linux-kernel@...r.kernel.org>, <stefanc@...vell.com>,
        <kuba@...nel.org>, <linux@...linux.org.uk>, <mw@...ihalf.com>,
        <andrew@...n.ch>, <rmk+kernel@...linux.org.uk>,
        <atenart@...nel.org>, <devicetree@...r.kernel.org>,
        <robh+dt@...nel.org>, <sebastian.hesselbarth@...il.com>,
        <gregory.clement@...tlin.com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH v9 net-next 14/15] net: mvpp2: set 802.3x GoP Flow Control mode

From: Stefan Chulski <stefanc@...vell.com>

This patch fix GMAC TX flow control autoneg.
Flow control autoneg wrongly were disabled with enabled TX
flow control.

Signed-off-by: Stefan Chulski <stefanc@...vell.com>
---
 drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index a472125..4d0a398 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -6283,7 +6283,7 @@ static void mvpp2_gmac_config(struct mvpp2_port *port, unsigned int mode,
 	old_ctrl4 = ctrl4 = readl(port->base + MVPP22_GMAC_CTRL_4_REG);
 
 	ctrl0 &= ~MVPP2_GMAC_PORT_TYPE_MASK;
-	ctrl2 &= ~(MVPP2_GMAC_INBAND_AN_MASK | MVPP2_GMAC_PCS_ENABLE_MASK);
+	ctrl2 &= ~(MVPP2_GMAC_INBAND_AN_MASK | MVPP2_GMAC_PCS_ENABLE_MASK | MVPP2_GMAC_FLOW_CTRL_MASK);
 
 	/* Configure port type */
 	if (phy_interface_mode_is_8023z(state->interface)) {
-- 
1.9.1