From: Yelena Krivosheev <yelena@marvell.com>
Date: Fri, 30 Mar 2018 10:05:31 +0000 (+0200)
Subject: net: mvneta: fix enable of all initialized RXQs
X-Git-Tag: v3.18.111~78
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8035424c9c5b4bd249a21866e6507c51e19e7ecd;p=thirdparty%2Fkernel%2Fstable.git

net: mvneta: fix enable of all initialized RXQs

[ 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@marvell.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index a53e7c6172a31..b6ac97636a08c 100644
--- 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_port *pp)
 	}
 	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++) {