net: cavium: liquidio: use helpers ns_to_timespec64()

Convert the driver to use ns_to_timespec64() to keep consistency
with timespec64_to_ns() instead of open coding the same logic.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index b895044..8727655 100644 (file)
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -1526,7 +1526,6 @@ static int liquidio_ptp_gettime(struct ptp_clock_info *ptp,
                                struct timespec64 *ts)
 {
        u64 ns;
-       u32 remainder;
        unsigned long flags;
        struct lio *lio = container_of(ptp, struct lio, ptp_info);
        struct octeon_device *oct = (struct octeon_device *)lio->oct_dev;
@@ -1536,8 +1535,7 @@ static int liquidio_ptp_gettime(struct ptp_clock_info *ptp,
        ns += lio->ptp_adjust;
        spin_unlock_irqrestore(&lio->ptp_lock, flags);
 
-       ts->tv_sec = div_u64_rem(ns, 1000000000ULL, &remainder);
-       ts->tv_nsec = remainder;
+       *ts = ns_to_timespec64(ns);
 
        return 0;
 }