diff options
| author | Eric Dumazet <edumazet@google.com> | 2013-04-30 10:53:51 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-30 19:00:25 -0400 |
| commit | fe86d714168f1567989c309f73a3550022686301 (patch) | |
| tree | e8e95e9a96b4b42e1e94971b16cac6b0eced1312 | |
| parent | 97cd1ee6ef24eadf42bb199ab20bdc07cf919939 (diff) | |
| download | linux-fe86d714168f1567989c309f73a3550022686301.tar.bz2 | |
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 <rdunlap@infradead.org>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_clock.c | 8 |
1 files 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) |