diff options
Diffstat (limited to 'drivers/ptp/ptp_clock.c')
| -rw-r--r-- | drivers/ptp/ptp_clock.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c index acabbe72e55e..03a246e60fd9 100644 --- a/drivers/ptp/ptp_clock.c +++ b/drivers/ptp/ptp_clock.c @@ -146,6 +146,15 @@ static int ptp_clock_adjtime(struct posix_clock *pc, struct __kernel_timex *tx) else err = ops->adjfreq(ops, ppb); ptp->dialed_frequency = tx->freq; + } else if (tx->modes & ADJ_OFFSET) { + if (ops->adjphase) { + s32 offset = tx->offset; + + if (!(tx->modes & ADJ_NANO)) + offset *= NSEC_PER_USEC; + + err = ops->adjphase(ops, offset); + } } else if (tx->modes == 0) { tx->freq = ptp->dialed_frequency; err = 0; |