diff options
| author |   Jose Abreu <Jose.Abreu@synopsys.com> | 2019-12-18 23:55:01 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-12-18 15:12:33 -0800 |
| commit | a1ec57c020201ba29608a5a3588832d07de1a518 (patch) | |
| tree | e103e9fdd0a398dee96af7768d816dfb915fe8c3 /drivers | |
| parent | Merge branch 'ETS-qdisc' (diff) | |
| download | linux-dev-a1ec57c020201ba29608a5a3588832d07de1a518.tar.xz linux-dev-a1ec57c020201ba29608a5a3588832d07de1a518.zip | |
net: stmmac: tc: Fix TAPRIO division operation
For ARCHs that don't support 64 bits division we need to use the
helpers.
Fixes: b60189e0392f ("net: stmmac: Integrate EST with TAPRIO scheduler API")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 8ff8f9b9bb22..6c4686b77516 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -599,6 +599,7 @@ static int tc_setup_taprio(struct stmmac_priv *priv, struct timespec64 time; bool fpe = false; int i, ret = 0; + u64 ctr; if (!priv->dma_cap.estsel) return -EOPNOTSUPP; @@ -694,8 +695,9 @@ static int tc_setup_taprio(struct stmmac_priv *priv, priv->plat->est->btr[0] = (u32)time.tv_nsec; priv->plat->est->btr[1] = (u32)time.tv_sec; - priv->plat->est->ctr[0] = (u32)(qopt->cycle_time % NSEC_PER_SEC); - priv->plat->est->ctr[1] = (u32)(qopt->cycle_time / NSEC_PER_SEC); + ctr = qopt->cycle_time; + priv->plat->est->ctr[0] = do_div(ctr, NSEC_PER_SEC); + priv->plat->est->ctr[1] = (u32)ctr; if (fpe && !priv->dma_cap.fpesel) return -EOPNOTSUPP; |