From fe86d714168f1567989c309f73a3550022686301 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 30 Apr 2013 10:53:51 +0000 Subject: [PATCH] mlx4_en: fix a build error on 32bit arches commit b6c39bfcf1d7d63 ("net/mlx4_en: Add a service task") added a build error on 32bit arches. ERROR: "__udivdi3" [drivers/net/ethernet/mellanox/mlx4/mlx4_en.ko] undefined! Fix this problem by using do_div() Reported-by: Randy Dunlap Signed-off-by: Eric Dumazet Acked-by: Randy Dunlap Cc: Amir Vadai Signed-off-by: David S. Miller --- drivers/net/ethernet/mellanox/mlx4/en_clock.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c index 2f181219662e..fd6441071319 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c @@ -114,6 +114,7 @@ void mlx4_en_fill_hwtstamps(struct mlx4_en_dev *mdev, void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev) { struct mlx4_dev *dev = mdev->dev; + u64 ns; memset(&mdev->cycles, 0, sizeof(mdev->cycles)); mdev->cycles.read = mlx4_en_read_clock; @@ -133,10 +134,9 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev) /* Calculate period in seconds to call the overflow watchdog - to make * sure counter is checked at least once every wrap around. */ - mdev->overflow_period = - (cyclecounter_cyc2ns(&mdev->cycles, - mdev->cycles.mask) / NSEC_PER_SEC / 2) - * HZ; + ns = cyclecounter_cyc2ns(&mdev->cycles, mdev->cycles.mask); + do_div(ns, NSEC_PER_SEC / 2 / HZ); + mdev->overflow_period = ns; } void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev) -- 2.30.2