[PATCH net-next 2/3] ptp: provide the clock's adjusted frequency
From: Richard Cochran <richardcochran@gmail.com>
Date: 2012-09-21 17:00:44
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
If the timex.mode field indicates a query, then we provide the value of the current frequency adjustment. Signed-off-by: Richard Cochran <richardcochran@gmail.com> --- drivers/ptp/ptp_clock.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index fbd7104..6e47450 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c@@ -148,6 +148,11 @@ static int ptp_clock_adjtime(struct posix_clock *pc, struct timex *tx) err = ops->adjfreq(ops, scaled_ppm_to_ppb(tx->freq)); ptp->dialed_frequency = tx->freq; + + } else if (tx->modes == 0) { + + tx->freq = ptp->dialed_frequency; + err = 0; } return err;
--
1.7.2.5