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Message-Id: <20180528100100.714855612@linuxfoundation.org>
Date:   Mon, 28 May 2018 12:02:29 +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, Yelena Krivosheev <yelena@...vell.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 3.18 108/185] net: mvneta: fix enable of all initialized RXQs

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

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

From: Yelena Krivosheev <yelena@...vell.com>

[ Upstream commit e81b5e01c14add8395dfba7130f8829206bb507d ]

In mvneta_port_up() we enable relevant RX and TX port queues by write
queues bit map to an appropriate register.

q_map must be ZERO in the beginning of this process.

Signed-off-by: Yelena Krivosheev <yelena@...vell.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/marvell/mvneta.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -748,6 +748,7 @@ static void mvneta_port_up(struct mvneta
 	}
 	mvreg_write(pp, MVNETA_TXQ_CMD, q_map);
 
+	q_map = 0;
 	/* Enable all initialized RXQs. */
 	q_map = 0;
 	for (queue = 0; queue < rxq_number; queue++) {


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