net: ixgbe: 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>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 5fd4b52..47c29ea 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -261,18 +261,9 @@ static int ixgbe_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
        struct ixgbe_adapter *adapter =
                container_of(ptp, struct ixgbe_adapter, ptp_caps);
        unsigned long flags;
-       u64 now;
 
        spin_lock_irqsave(&adapter->tmreg_lock, flags);
-
-       now = timecounter_read(&adapter->tc);
-       now += delta;
-
-       /* reset the timecounter */
-       timecounter_init(&adapter->tc,
-                        &adapter->cc,
-                        now);
-
+       timecounter_adjtime(&adapter->tc, delta);
        spin_unlock_irqrestore(&adapter->tmreg_lock, flags);
 
        ixgbe_ptp_setup_sdp(adapter);