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| author |   David S. Miller <davem@davemloft.net> | 2019-10-05 13:37:23 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-10-05 13:37:23 -0700 |
| commit | 6f4c930e02355664d89c976eccea5d999a90de16 (patch) | |
| tree | bc08932fbf43b9560ba5bde3284674054e3b56eb /net/sched/sch_taprio.c | |
| parent | net: dsa: sja1105: Make function sja1105_xfer_long_buf static (diff) | |
| parent | Merge tag 'kbuild-fixes-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild (diff) | |
| download | linux-dev-6f4c930e02355664d89c976eccea5d999a90de16.tar.xz linux-dev-6f4c930e02355664d89c976eccea5d999a90de16.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Diffstat (limited to 'net/sched/sch_taprio.c')
| -rw-r--r-- | net/sched/sch_taprio.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 2f7b34205c82..68b543f85a96 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1044,12 +1044,11 @@ static void taprio_set_picos_per_byte(struct net_device *dev, if (err < 0) goto skip; - if (ecmd.base.speed != SPEED_UNKNOWN) + if (ecmd.base.speed && ecmd.base.speed != SPEED_UNKNOWN) speed = ecmd.base.speed; skip: - picos_per_byte = div64_s64(NSEC_PER_SEC * 1000LL * 8, - speed * 1000 * 1000); + picos_per_byte = (USEC_PER_SEC * 8) / speed; atomic64_set(&q->picos_per_byte, picos_per_byte); netdev_dbg(dev, "taprio: set %s's picos_per_byte to: %lld, linkspeed: %d\n", |