netdev - [PATCH 19/27] net: fec: ptp: Use timecounter

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Date:   Fri, 15 Dec 2017 13:08:34 +0530
From:   Sagar Arun Kamble <sagar.a.kamble@...el.com>
To:     linux-kernel@...r.kernel.org
Cc:     Sagar Arun Kamble <sagar.a.kamble@...el.com>,
        Richard Cochran <richardcochran@...il.com>,
        Fugang Duan <fugang.duan@....com>, netdev@...r.kernel.org
Subject: [PATCH 19/27] net: fec: ptp: Use timecounter_reset interface

With new interface timecounter_reset we can update the start time for
timecounter. Update fec_ptp_settime with this new function.

Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@...el.com>
Cc: Richard Cochran <richardcochran@...il.com>
Cc: Fugang Duan <fugang.duan@....com>
Cc: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/net/ethernet/freescale/fec_ptp.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index 1ba7216..d03ea0e 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -419,7 +419,6 @@ static int fec_ptp_settime(struct ptp_clock_info *ptp,
 {
 	struct fec_enet_private *fep =
 	    container_of(ptp, struct fec_enet_private, ptp_caps);
-
 	u64 ns;
 	unsigned long flags;
 	u32 counter;
@@ -439,7 +438,7 @@ static int fec_ptp_settime(struct ptp_clock_info *ptp,
 
 	spin_lock_irqsave(&fep->tmreg_lock, flags);
 	writel(counter, fep->hwp + FEC_ATIME);
-	timecounter_init(&fep->tc, ns);
+	timecounter_reset(&fep->tc, ns);
 	spin_unlock_irqrestore(&fep->tmreg_lock, flags);
 	mutex_unlock(&fep->ptp_clk_mutex);
 	return 0;
-- 
1.9.1