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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>
This commit is contained in:
Richard Cochran 2014-12-21 19:47:00 +01:00 committed by David S. Miller
parent 2e5601f9ac
commit 59e16961c6
1 changed files with 1 additions and 15 deletions
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16
drivers/net/ethernet/freescale/fec_ptp.c
View File

@ -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;