Message ID | 1367355231.11020.10.camel@edumazet-glaptop |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Eric Dumazet <eric.dumazet@gmail.com> Date: Tue, 30 Apr 2013 13:53:51 -0700 > From: Eric Dumazet <edumazet@google.com> > > 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> Applied, thanks for fixing this Eric. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c index 2f18121..fd64410 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)