mediatek: update patches
[openwrt/staging/chunkeey.git] / target / linux / mediatek / patches-4.4 / 0071-net-mediatek-mtk_cal_txd_req-returns-bad-value.patch
1 From b6f1b24448de1d294f9668b14bf02391ff6bef5c Mon Sep 17 00:00:00 2001
2 From: John Crispin <blogic@openwrt.org>
3 Date: Tue, 22 Mar 2016 04:42:27 +0100
4 Subject: [PATCH 71/91] net: mediatek: mtk_cal_txd_req() returns bad value
5
6 The code used to also support the PDMA engine, which had 2 packet pointers
7 per descriptor. Because of this we have to divide the result by 2 and round
8 it up. This is no longer needed as the code only supports QDMA.
9
10 Signed-off-by: John Crispin <blogic@openwrt.org>
11 ---
12 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +-
13 1 file changed, 1 insertion(+), 1 deletion(-)
14
15 diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
16 index 7e6d2e2..4d8d0a3 100644
17 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
18 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
19 @@ -681,7 +681,7 @@ static inline int mtk_cal_txd_req(struct sk_buff *skb)
20 nfrags += skb_shinfo(skb)->nr_frags;
21 }
22
23 - return DIV_ROUND_UP(nfrags, 2);
24 + return nfrags;
25 }
26
27 static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev)
28 --
29 1.7.10.4
30