netdev - [PATCH net-next] net: stmmac: rx queue to dma channel mapping fix

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Date:   Mon,  3 Apr 2017 16:34:04 +0100
From:   Joao Pinto <Joao.Pinto@...opsys.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, Joao Pinto <Joao.Pinto@...opsys.com>
Subject: [PATCH net-next] net: stmmac: rx queue to dma channel mapping fix

In hardware configurations where multiple queues are active,
the rx queue needs to be mapped into a dma channel, even if
a single rx queue is used.

Signed-off-by: Joao Pinto <jpinto@...opsys.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index c1c6319..7cbda41 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2001,7 +2001,7 @@ static void stmmac_mtl_configuration(struct stmmac_priv *priv)
 		stmmac_configure_cbs(priv);
 
 	/* Map RX MTL to DMA channels */
-	if (rx_queues_count > 1 && priv->hw->mac->map_mtl_to_dma)
+	if (priv->hw->mac->map_mtl_to_dma)
 		stmmac_rx_queue_dma_chan_map(priv);
 
 	/* Enable MAC RX Queues */
-- 
2.9.3