net: mvneta: fix enable of all initialized RXQs

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>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 25e9a55..3f6fb63 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1132,6 +1132,7 @@
 	}
 	mvreg_write(pp, MVNETA_TXQ_CMD, q_map);
 
+	q_map = 0;
 	/* Enable all initialized RXQs. */
 	for (queue = 0; queue < rxq_number; queue++) {
 		struct mvneta_rx_queue *rxq = &pp->rxqs[queue];