[PATCH net-next V3 03/23] ptp: use the 64 bit get/set time methods for the posix clock.
From: Richard Cochran <richardcochran@gmail.com>
Date: 2015-03-29 21:12:44
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Subsystem:
networking drivers, ptp hardware clock support, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Richard Cochran, Linus Torvalds
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)
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1.7.10.4