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ptp: gianfar: 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.

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 23:08:10 +02:00 committed by David S. Miller
parent f7dcdefe36
commit 3359e7c2e9
1 changed files with 3 additions and 5 deletions
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8
drivers/net/ethernet/freescale/gianfar_ptp.c
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@ -326,7 +326,6 @@ static int ptp_gianfar_gettime(struct ptp_clock_info *ptp,
struct timespec64 *ts)
{
u64 ns;
u32 remainder;
unsigned long flags;
struct etsects *etsects = container_of(ptp, struct etsects, caps);
@ -336,8 +335,8 @@ static int ptp_gianfar_gettime(struct ptp_clock_info *ptp,
spin_unlock_irqrestore(&etsects->lock, flags);
ts->tv_sec = div_u64_rem(ns, 1000000000, &remainder);
ts->tv_nsec = remainder;
*ts = ns_to_timespec64(ns);
return 0;
}
@ -348,8 +347,7 @@ static int ptp_gianfar_settime(struct ptp_clock_info *ptp,
unsigned long flags;
struct etsects *etsects = container_of(ptp, struct etsects, caps);
ns = ts->tv_sec * 1000000000ULL;
ns += ts->tv_nsec;
ns = timespec64_to_ns(ts);
spin_lock_irqsave(&etsects->lock, flags);