From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kefeng Wang Subject: [PATCH] ptp: ixp46x: use helpers for converting ns to timespec Date: Thu, 28 Jan 2016 10:27:19 +0800 Message-ID: <1453948039-3198-1-git-send-email-wangkefeng.wang@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Richard Cochran , , , , Kefeng Wang To: "David S . Miller" Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Convert the driver to use ns_to_timespec64() and timespec64_to_ns() instead of open coding the same logic. Signed-off-by: Kefeng Wang --- drivers/ptp/ptp_ixp46x.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/ptp/ptp_ixp46x.c b/drivers/ptp/ptp_ixp46x.c index 934c139..ee4f183 100644 --- a/drivers/ptp/ptp_ixp46x.c +++ b/drivers/ptp/ptp_ixp46x.c @@ -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(®ister_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(®ister_lock, flags); -- 2.6.0.GIT