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

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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 23:08:16 +02:00 committed by David S. Miller
parent e7ea55be29
commit 84d923ce4a
1 changed files with 2 additions and 5 deletions
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7
drivers/net/ethernet/ti/cpts.c
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@ -170,7 +170,6 @@ static int cpts_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
static int cpts_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
{
u64 ns;
u32 remainder;
unsigned long flags;
struct cpts *cpts = container_of(ptp, struct cpts, info);
@ -178,8 +177,7 @@ static int cpts_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
ns = timecounter_read(&cpts->tc);
spin_unlock_irqrestore(&cpts->lock, flags);
ts->tv_sec = div_u64_rem(ns, 1000000000, &remainder);
ts->tv_nsec = remainder;
*ts = ns_to_timespec64(ns);
return 0;
}
@ -191,8 +189,7 @@ static int cpts_ptp_settime(struct ptp_clock_info *ptp,
unsigned long flags;
struct cpts *cpts = container_of(ptp, struct cpts, info);
ns = ts->tv_sec * 1000000000ULL;
ns += ts->tv_nsec;
ns = timespec64_to_ns(ts);
spin_lock_irqsave(&cpts->lock, flags);
timecounter_init(&cpts->tc, &cpts->cc, ns);