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ptp: provide the clock's adjusted frequency 

If the timex.mode field indicates a query, then we provide the value of
the current frequency adjustment.

[ Get rid of extraneous empty lines -DaveM ]

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Cochran 2012-09-22 07:02:02 +00:00 committed by David S. Miller
parent 39a8cbd9ca
commit 5c35bad5ff
1 changed files with 3 additions and 2 deletions
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5
drivers/ptp/ptp_clock.c
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@ -143,11 +143,12 @@ static int ptp_clock_adjtime(struct posix_clock *pc, struct timex *tx)
kt = timespec_to_ktime(ts); kt = timespec_to_ktime(ts);
delta = ktime_to_ns(kt); delta = ktime_to_ns(kt);
err = ops->adjtime(ops, delta); err = ops->adjtime(ops, delta);
} else if (tx->modes & ADJ_FREQUENCY) { } else if (tx->modes & ADJ_FREQUENCY) {
err = ops->adjfreq(ops, scaled_ppm_to_ppb(tx->freq)); err = ops->adjfreq(ops, scaled_ppm_to_ppb(tx->freq));
ptp->dialed_frequency = tx->freq; ptp->dialed_frequency = tx->freq;
} else if (tx->modes == 0) {
tx->freq = ptp->dialed_frequency;
err = 0;
} }
return err; return err;