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ptp: fec: 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.

Compile tested only.

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 23:08:09 +02:00 committed by David S. Miller
parent 7a20efb074
commit 6630514fce
1 changed files with 2 additions and 5 deletions
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7
drivers/net/ethernet/freescale/fec_ptp.c
View File

@ -395,15 +395,13 @@ static int fec_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
struct fec_enet_private *adapter =
container_of(ptp, struct fec_enet_private, ptp_caps);
u64 ns;
u32 remainder;
unsigned long flags;
spin_lock_irqsave(&adapter->tmreg_lock, flags);
ns = timecounter_read(&adapter->tc);
spin_unlock_irqrestore(&adapter->tmreg_lock, flags);
ts->tv_sec = div_u64_rem(ns, 1000000000ULL, &remainder);
ts->tv_nsec = remainder;
*ts = ns_to_timespec64(ns);
return 0;
}
@ -433,8 +431,7 @@ static int fec_ptp_settime(struct ptp_clock_info *ptp,
return -EINVAL;
}
ns = ts->tv_sec * 1000000000ULL;
ns += ts->tv_nsec;
ns = timespec64_to_ns(ts);
/* Get the timer value based on timestamp.
* Update the counter with the masked value.
*/