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>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index 67e628ee036..c470ddf1a6f 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -143,11 +143,12 @@ static int ptp_clock_adjtime(struct posix_clock *pc, struct timex *tx)
                 kt = timespec_to_ktime(ts);
                 delta = ktime_to_ns(kt);
                 err = ops->adjtime(ops, delta);
-
         } else if (tx->modes & ADJ_FREQUENCY) {
-
                 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;