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ptp: blackfin: use helpers for converting ns to timespec. 

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

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Cochran 2015-03-31 23:08:06 +02:00 committed by David S. Miller
parent 84d923ce4a
commit 96ff1c37a8
1 changed files with 3 additions and 5 deletions
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8
drivers/net/ethernet/adi/bfin_mac.c
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@ -986,7 +986,6 @@ static int bfin_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
static int bfin_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
{
u64 ns;
u32 remainder;
unsigned long flags;
struct bfin_mac_local *lp =
container_of(ptp, struct bfin_mac_local, caps);
@ -997,8 +996,8 @@ static int bfin_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
spin_unlock_irqrestore(&lp->phc_lock, flags);
ts->tv_sec = div_u64_rem(ns, 1000000000, &remainder);
ts->tv_nsec = remainder;
*ts = ns_to_timespec64(ns);
return 0;
}
@ -1010,8 +1009,7 @@ static int bfin_ptp_settime(struct ptp_clock_info *ptp,
struct bfin_mac_local *lp =
container_of(ptp, struct bfin_mac_local, caps);
ns = ts->tv_sec * 1000000000ULL;
ns += ts->tv_nsec;
ns = timespec64_to_ns(ts);
spin_lock_irqsave(&lp->phc_lock, flags);