Commit b83ef507 authored by Kefeng Wang's avatar Kefeng Wang Committed by David S. Miller
Browse files

ptp: ixp46x: use helpers for converting ns to timespec 



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

Signed-off-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: default avatarRichard Cochran <richardcochran@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 21603fc4

drivers/ptp/ptp_ixp46x.c

+2 −5
Original line number Diff line number Diff line
@@ -178,7 +178,6 @@ static int ptp_ixp_adjtime(struct ptp_clock_info *ptp, s64 delta) 
static int ptp_ixp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)

{

	u64 ns;

	u32 remainder;

	unsigned long flags;

	struct ixp_clock *ixp_clock = container_of(ptp, struct ixp_clock, caps);

	struct ixp46x_ts_regs *regs = ixp_clock->regs;
@@ -189,8 +188,7 @@ static int ptp_ixp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) 


	spin_unlock_irqrestore(&register_lock, flags);



	ts->tv_sec = div_u64_rem(ns, 1000000000, &remainder);

	ts->tv_nsec = remainder;

	*ts = ns_to_timespec64(ns);

	return 0;

}
@@ -202,8 +200,7 @@ static int ptp_ixp_settime(struct ptp_clock_info *ptp, 
	struct ixp_clock *ixp_clock = container_of(ptp, struct ixp_clock, caps);

	struct ixp46x_ts_regs *regs = ixp_clock->regs;



	ns = ts->tv_sec * 1000000000ULL;

	ns += ts->tv_nsec;

	ns = timespec64_to_ns(ts);



	spin_lock_irqsave(&register_lock, flags);