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Commit 59e16961 authored by Richard Cochran's avatar Richard Cochran Committed by David S. Miller
Browse files

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: default avatarRichard Cochran <richardcochran@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2e5601f9

drivers/net/ethernet/freescale/fec_ptp.c

+1 −15
Original line number Diff line number Diff line
@@ -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;