This patch changes the driver to use ns_to_timespec64() and
timespec64_to_ns() instead of open coding the same logic.

Compile tested only.

Signed-off-by: Richard Cochran <richardcoch...@gmail.com>
---
 drivers/net/ethernet/intel/igb/igb_ptp.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c 
b/drivers/net/ethernet/intel/igb/igb_ptp.c
index 0348b7e..b3b60a8 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -290,7 +290,6 @@ static int igb_ptp_gettime_82576(struct ptp_clock_info *ptp,
                                               ptp_caps);
        unsigned long flags;
        u64 ns;
-       u32 remainder;
 
        spin_lock_irqsave(&igb->tmreg_lock, flags);
 
@@ -298,8 +297,7 @@ static int igb_ptp_gettime_82576(struct ptp_clock_info *ptp,
 
        spin_unlock_irqrestore(&igb->tmreg_lock, flags);
 
-       ts->tv_sec = div_u64_rem(ns, 1000000000, &remainder);
-       ts->tv_nsec = remainder;
+       *ts = ns_to_timespec64(ns);
 
        return 0;
 }
@@ -328,8 +326,7 @@ static int igb_ptp_settime_82576(struct ptp_clock_info *ptp,
        unsigned long flags;
        u64 ns;
 
-       ns = ts->tv_sec * 1000000000ULL;
-       ns += ts->tv_nsec;
+       ns = timespec64_to_ns(ts);
 
        spin_lock_irqsave(&igb->tmreg_lock, flags);
 
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to