From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757548AbeD0Hg4 (ORCPT ); Fri, 27 Apr 2018 03:36:56 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:46850 "EHLO huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1757153AbeD0Hgz (ORCPT ); Fri, 27 Apr 2018 03:36:55 -0400 From: YueHaibing To: , CC: , , YueHaibing Subject: [PATCH] ptp_pch: use helpers function for converting between ns and timespec Date: Fri, 27 Apr 2018 15:36:18 +0800 Message-ID: <20180427073618.12036-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.177.31.96] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org use ns_to_timespec64() and timespec64_to_ns() instead of open coding Signed-off-by: YueHaibing --- drivers/ptp/ptp_pch.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/ptp/ptp_pch.c b/drivers/ptp/ptp_pch.c index b328517..78ccf93 100644 --- a/drivers/ptp/ptp_pch.c +++ b/drivers/ptp/ptp_pch.c @@ -452,7 +452,6 @@ static int ptp_pch_adjtime(struct ptp_clock_info *ptp, s64 delta) static int ptp_pch_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) { u64 ns; - u32 remainder; unsigned long flags; struct pch_dev *pch_dev = container_of(ptp, struct pch_dev, caps); struct pch_ts_regs __iomem *regs = pch_dev->regs; @@ -461,8 +460,7 @@ static int ptp_pch_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) ns = pch_systime_read(regs); spin_unlock_irqrestore(&pch_dev->register_lock, flags); - ts->tv_sec = div_u64_rem(ns, 1000000000, &remainder); - ts->tv_nsec = remainder; + *ts = ns_to_timespec64(ns); return 0; } @@ -474,8 +472,7 @@ static int ptp_pch_settime(struct ptp_clock_info *ptp, struct pch_dev *pch_dev = container_of(ptp, struct pch_dev, caps); struct pch_ts_regs __iomem *regs = pch_dev->regs; - ns = ts->tv_sec * 1000000000ULL; - ns += ts->tv_nsec; + ns = timespec64_to_ns(ts); spin_lock_irqsave(&pch_dev->register_lock, flags); pch_systime_write(regs, ns); -- 2.7.0