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Subject[PATCH net-next V3 03/23] ptp: use the 64 bit get/set time methods for the posix clock.
Date
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(-)

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)
--
1.7.10.4


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