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net: cpts: convert to timecounter adjtime.

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

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 19:47:05 +01:00 • committed by David S. Miller
commit f25a30be35
1 changed files with 1 additions and 4 deletions
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5
drivers/net/ethernet/ti/cpts.c
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@ -157,14 +157,11 @@ static int cpts_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
static int cpts_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
{
s64 now;
unsigned long flags;
struct cpts *cpts = container_of(ptp, struct cpts, info);
spin_lock_irqsave(&cpts->lock, flags);
now = timecounter_read(&cpts->tc);
now += delta;
timecounter_init(&cpts->tc, &cpts->cc, now);
timecounter_adjtime(&cpts->tc, delta);
spin_unlock_irqrestore(&cpts->lock, flags);
return 0;