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net: igb: convert to timecounter adjtime. 

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>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Cochran 2014-12-21 19:47:02 +01:00 committed by David S. Miller
parent f4de2b9568
commit 5ee698e367
1 changed files with 1 additions and 6 deletions
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7
drivers/net/ethernet/intel/igb/igb_ptp.c
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@ -256,14 +256,9 @@ static int igb_ptp_adjtime_82576(struct ptp_clock_info *ptp, s64 delta)
struct igb_adapter *igb = container_of(ptp, struct igb_adapter,
ptp_caps);
unsigned long flags;
s64 now;
spin_lock_irqsave(&igb->tmreg_lock, flags);
now = timecounter_read(&igb->tc);
now += delta;
timecounter_init(&igb->tc, &igb->cc, now);
timecounter_adjtime(&igb->tc, delta);
spin_unlock_irqrestore(&igb->tmreg_lock, flags);
return 0;