netdev - [PATCH 07/27] fec: Use timecounter

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Message-Id: <1513323522-15021-8-git-send-email-sagar.a.kamble@intel.com>
Date:   Fri, 15 Dec 2017 13:08:22 +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 07/27] fec: Use timecounter_initialize interface

With new interface timecounter_initialize we can initialize timecounter
fields and underlying cyclecounter together. Update fec ethernet
timecounter init 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 | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index b1261d1..1ba7216 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -278,14 +278,13 @@ void fec_ptp_start_cyclecounter(struct net_device *ndev)
 	writel(FEC_T_CTRL_ENABLE | FEC_T_CTRL_PERIOD_RST,
 		fep->hwp + FEC_ATIME_CTRL);
 
-	memset(&fep->tc.cc, 0, sizeof(fep->tc.cc));
-	fep->tc.cc.read = fec_ptp_read;
-	fep->tc.cc.mask = CLOCKSOURCE_MASK(31);
-	fep->tc.cc.shift = 31;
-	fep->tc.cc.mult = FEC_CC_MULT;
-
-	/* reset the ns time counter */
-	timecounter_init(&fep->tc, ktime_to_ns(ktime_get_real()));
+	/* Initialize the ns time counter */
+	timecounter_initialize(&fep->tc,
+			       fec_ptp_read,
+			       CLOCKSOURCE_MASK(31),
+			       FEC_CC_MULT,
+			       31,
+			       ktime_to_ns(ktime_get_real()));
 
 	spin_unlock_irqrestore(&fep->tmreg_lock, flags);
 }
-- 
1.9.1