net: e1000e: 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>

diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c
index fb1a914..978ef9c 100644 (file)
--- a/drivers/net/ethernet/intel/e1000e/ptp.c
+++ b/drivers/net/ethernet/intel/e1000e/ptp.c
@@ -90,12 +90,9 @@ static int e1000e_phc_adjtime(struct ptp_clock_info *ptp, s64 delta)
        struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter,
                                                     ptp_clock_info);
        unsigned long flags;
-       s64 now;
 
        spin_lock_irqsave(&adapter->systim_lock, flags);
-       now = timecounter_read(&adapter->tc);
-       now += delta;
-       timecounter_init(&adapter->tc, &adapter->cc, now);
+       timecounter_adjtime(&adapter->tc, delta);
        spin_unlock_irqrestore(&adapter->systim_lock, flags);
 
        return 0;