netdev - [PATCH net] net: fec_mpc52xx: replace dev_kfree_skb_irq by dev_consume_skb

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Date:   Wed,  6 Feb 2019 00:12:04 +0800
From:   Yang Wei <albin_yang@....com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, yang.wei9@....com.cn, albin_yang@....com
Subject: [PATCH net] net: fec_mpc52xx: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles

From: Yang Wei <yang.wei9@....com.cn>

dev_consume_skb_irq() should be called in mpc52xx_fec_tx_interrupt()
when skb xmit done. It makes drop profiles(dropwatch, perf) more
friendly.

Signed-off-by: Yang Wei <yang.wei9@....com.cn>
---
 drivers/net/ethernet/freescale/fec_mpc52xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c
index b90bab7..c1968b3 100644
--- a/drivers/net/ethernet/freescale/fec_mpc52xx.c
+++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c
@@ -369,7 +369,7 @@ static irqreturn_t mpc52xx_fec_tx_interrupt(int irq, void *dev_id)
 		dma_unmap_single(dev->dev.parent, bd->skb_pa, skb->len,
 				 DMA_TO_DEVICE);
 
-		dev_kfree_skb_irq(skb);
+		dev_consume_skb_irq(skb);
 	}
 	spin_unlock(&priv->lock);
 
-- 
2.7.4