net: mediatek: mtk_cal_txd_req() returns bad value
authorJohn Crispin <blogic@openwrt.org>
Thu, 7 Apr 2016 22:54:05 +0000 (00:54 +0200)
committerDavid S. Miller <davem@davemloft.net>
Wed, 13 Apr 2016 02:41:32 +0000 (22:41 -0400)
The code used to also support the PDMA engine, which had 2 packet pointers
per descriptor. Because of this we had to divide the result by 2 and round
it up. This is no longer needed as the code only supports QDMA.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/mediatek/mtk_eth_soc.c

index bb10d57c9999692e63bbceb234de87efc367bad2..94cceb83b5694f5b3bf8defe4a0b2dd0951bcb68 100644 (file)
@@ -681,7 +681,7 @@ static inline int mtk_cal_txd_req(struct sk_buff *skb)
                nfrags += skb_shinfo(skb)->nr_frags;
        }
 
-       return DIV_ROUND_UP(nfrags, 2);
+       return nfrags;
 }
 
 static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev)