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path: root/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
index 580cc035536b..be9b58b2abf9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
@@ -102,7 +102,7 @@ static int stmmac_adjust_time(struct ptp_clock_info *ptp, s64 delta)
time.tv_nsec = priv->plat->est->btr_reserve[0];
time.tv_sec = priv->plat->est->btr_reserve[1];
basetime = timespec64_to_ktime(time);
- cycle_time = priv->plat->est->ctr[1] * NSEC_PER_SEC +
+ cycle_time = (u64)priv->plat->est->ctr[1] * NSEC_PER_SEC +
priv->plat->est->ctr[0];
time = stmmac_calc_tas_basetime(basetime,
current_time_ns,