ptp: e1000e: convert to the 64 bit get/set time methods.

This driver's clock is implemented using a timecounter, and so with
this patch the driver is ready for the year 2038.

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>

drivers/net/ethernet/intel/e1000e/ptp.c

@@ -106,7 +106,7 @@ static int e1000e_phc_adjtime(struct ptp_clock_info *ptp, s64 delta)
  * Read the timecounter and return the correct value in ns after converting
  * it into a struct timespec.
  **/
-static int e1000e_phc_gettime(struct ptp_clock_info *ptp, struct timespec *ts)
+static int e1000e_phc_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
 {
 	struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter,
 						     ptp_clock_info);
@@ -133,14 +133,14 @@ static int e1000e_phc_gettime(struct ptp_clock_info *ptp, struct timespec *ts)
  * wall timer value.
  **/
 static int e1000e_phc_settime(struct ptp_clock_info *ptp,
-			      const struct timespec *ts)
+			      const struct timespec64 *ts)
 {
 	struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter,
 						     ptp_clock_info);
 	unsigned long flags;
 	u64 ns;
 
-	ns = timespec_to_ns(ts);
+	ns = timespec64_to_ns(ts);
 
 	/* reset the timecounter */
 	spin_lock_irqsave(&adapter->systim_lock, flags);
@@ -171,11 +171,11 @@ static void e1000e_systim_overflow_work(struct work_struct *work)
 	struct e1000_adapter *adapter = container_of(work, struct e1000_adapter,
 						     systim_overflow_work.work);
 	struct e1000_hw *hw = &adapter->hw;
-	struct timespec ts;
+	struct timespec64 ts;
 
-	adapter->ptp_clock_info.gettime(&adapter->ptp_clock_info, &ts);
+	adapter->ptp_clock_info.gettime64(&adapter->ptp_clock_info, &ts);
 
-	e_dbg("SYSTIM overflow check at %ld.%09lu\n", ts.tv_sec, ts.tv_nsec);
+	e_dbg("SYSTIM overflow check at %lld.%09lu\n", ts.tv_sec, ts.tv_nsec);
 
 	schedule_delayed_work(&adapter->systim_overflow_work,
 			      E1000_SYSTIM_OVERFLOW_PERIOD);
@@ -190,8 +190,8 @@ static const struct ptp_clock_info e1000e_ptp_clock_info = {
 	.pps		= 0,
 	.adjfreq	= e1000e_phc_adjfreq,
 	.adjtime	= e1000e_phc_adjtime,
-	.gettime	= e1000e_phc_gettime,
-	.settime	= e1000e_phc_settime,
+	.gettime64	= e1000e_phc_gettime,
+	.settime64	= e1000e_phc_settime,
 	.enable		= e1000e_phc_enable,
 };