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[net-next,V2,03/23] ptp: use the 64 bit get/set time methods for the posix clock.

Message ID bec65650e57830a9ed0cbb1d454eeca0a39cc7b1.1426973658.git.richardcochran@gmail.com
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Richard Cochran March 21, 2015, 9:39 p.m. UTC 
This patch changes the posix clock code to prefer the new methods
whenever they are implemented by the PHC drivers.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
---
 drivers/ptp/ptp_clock.c |   19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index 296b0ec..df50d5e 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -107,13 +107,28 @@  static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp)
 static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp)
 {
 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
-	return ptp->info->settime(ptp->info, tp);
+	struct timespec64 ts = timespec_to_timespec64(*tp);
+
+	return  ptp->info->settime64 ?
+		ptp->info->settime64(ptp->info, &ts) :
+		ptp->info->settime(ptp->info, tp);
 }
 
 static int ptp_clock_gettime(struct posix_clock *pc, struct timespec *tp)
 {
 	struct ptp_clock *ptp = container_of(pc, struct ptp_clock, clock);
-	return ptp->info->gettime(ptp->info, tp);
+	struct timespec64 ts;
+	int err;
+
+	if (ptp->info->gettime64) {
+		err = ptp->info->gettime64(ptp->info, &ts);
+		if (!err)
+			*tp = timespec64_to_timespec(ts);
+	} else {
+		err = ptp->info->gettime(ptp->info, tp);
+	}
+
+	return err;
 }
 
 static int ptp_clock_adjtime(struct posix_clock *pc, struct timex *tx)