linux-kernel - [PATCH net v2 1/4] net: stmmac: Fix incorrect location to set real_num_rx|tx

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Date:   Wed, 15 Jan 2020 15:10:00 +0800
From:   Ong Boon Leong <boon.leong.ong@...el.com>
To:     netdev@...r.kernel.org
Cc:     Jakub Kicinski <kubakici@...pl>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        "David S . Miller" <davem@...emloft.net>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Ong Boon Leong <boon.leong.ong@...el.com>,
        Tan Tee Min <tee.min.tan@...el.com>,
        Voon Weifeng <weifeng.voon@...el.com>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH net v2 1/4] net: stmmac: Fix incorrect location to set real_num_rx|tx_queues

From: Aashish Verma <aashishx.verma@...el.com>

netif_set_real_num_tx_queues() & netif_set_real_num_rx_queues() should be
used to inform network stack about the real Tx & Rx queue (active) number
in both stmmac_open() and stmmac_resume(), therefore, we move the code
from stmmac_dvr_probe() to stmmac_hw_setup().

Fixes: c02b7a914551 ("net: stmmac: use netif_set_real_num_{rx,tx}_queues")
Signed-off-by: Aashish Verma <aashishx.verma@...el.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@...el.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 80d59b775907..0780e00580a2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2624,6 +2624,10 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
 	if (priv->dma_cap.vlins)
 		stmmac_enable_vlan(priv, priv->hw, STMMAC_VLAN_INSERT);
 
+	/* Configure real RX and TX queues */
+	netif_set_real_num_rx_queues(dev, priv->plat->rx_queues_to_use);
+	netif_set_real_num_tx_queues(dev, priv->plat->tx_queues_to_use);
+
 	/* Start the ball rolling... */
 	stmmac_start_all_dma(priv);
 
@@ -4622,10 +4626,6 @@ int stmmac_dvr_probe(struct device *device,
 
 	stmmac_check_ether_addr(priv);
 
-	/* Configure real RX and TX queues */
-	netif_set_real_num_rx_queues(ndev, priv->plat->rx_queues_to_use);
-	netif_set_real_num_tx_queues(ndev, priv->plat->tx_queues_to_use);
-
 	ndev->netdev_ops = &stmmac_netdev_ops;
 
 	ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
-- 
2.17.1