[PATCH net-next] net: hns: Fix for __udivdi3 compiler error

From: Yunsheng Lin
Date: Fri Aug 04 2017 - 04:54:42 EST


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@xxxxxxxxxx>
---
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