net: fec: convert to timecounter adjtime.

This patch changes the driver to use the new and improved method
for adjusting the offset of a timecounter.

Compile tested only.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 15 deletions

diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index 992c8c3db553..1f9cf2345266 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -374,23 +374,9 @@ static int fec_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
         struct fec_enet_private *fep =
             container_of(ptp, struct fec_enet_private, ptp_caps);
         unsigned long flags;
-        u64 now;
-        u32 counter;
 
         spin_lock_irqsave(&fep->tmreg_lock, flags);
-
-        now = timecounter_read(&fep->tc);
-        now += delta;
-
-        /* Get the timer value based on adjusted timestamp.
-         * Update the counter with the masked value.
-         */
-        counter = now & fep->cc.mask;
-        writel(counter, fep->hwp + FEC_ATIME);
-
-        /* reset the timecounter */
-        timecounter_init(&fep->tc, &fep->cc, now);
-
+        timecounter_adjtime(&fep->tc, delta);
         spin_unlock_irqrestore(&fep->tmreg_lock, flags);
 
         return 0;