linux-kernel - [PATCH net-next] net: hns: Fix for _

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Date:   Fri, 4 Aug 2017 17:24:59 +0800
From:   Yunsheng Lin <linyunsheng@...wei.com>
To:     <davem@...emloft.net>
CC:     <huangdaode@...ilicon.com>, <xuwei5@...ilicon.com>,
        <liguozhu@...ilicon.com>, <Yisen.Zhuang@...wei.com>,
        <gabriele.paoloni@...wei.com>, <john.garry@...wei.com>,
        <linuxarm@...wei.com>, <yisen.zhuang@...wei.com>,
        <salil.mehta@...wei.com>, <lipeng321@...wei.com>,
        <tremyfr@...il.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next] net: hns: Fix for __udivdi3 compiler error

This patch fixes the __udivdi3 undefined error reported by
test robot.

Fixes: b8c17f708831 ("net: hns: Add self-adaptive interrupt coalesce support in hns driver")
Signed-off-by: Yunsheng Lin <linyunsheng@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns/hns_enet.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
index 832f277..3652063 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c
@@ -847,7 +847,8 @@ static void hns_update_rx_rate(struct hnae_ring *ring)
 
 	total_bytes = ring->stats.rx_bytes - ring->coal_last_rx_bytes;
 	time_passed_ms = jiffies_to_msecs(jiffies - ring->coal_last_jiffies);
-	ring->coal_rx_rate = (total_bytes / time_passed_ms) >> 10;
+	do_div(total_bytes, time_passed_ms);
+	ring->coal_rx_rate = total_bytes >> 10;
 
 	ring->coal_last_rx_bytes = ring->stats.rx_bytes;
 	ring->coal_last_jiffies = jiffies;
-- 
1.9.1