ptp: e1000e: convert to the 64 bit get/set time methods.
authorRichard Cochran <richardcochran@gmail.com>
Sun, 29 Mar 2015 21:12:00 +0000 (23:12 +0200)
committerDavid S. Miller <davem@davemloft.net>
Tue, 31 Mar 2015 16:01:17 +0000 (12:01 -0400)
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

index 1490f1e..b747a3e 100644 (file)
@@ -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,
 };