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path: root/drivers/ptp/ptp_clock.c
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Diffstat (limited to 'drivers/ptp/ptp_clock.c')
-rw-r--r--drivers/ptp/ptp_clock.c22
1 files changed, 1 insertions, 21 deletions
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index 21c4c34c52d8..a23a37a4d5dc 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -63,27 +63,6 @@ static void enqueue_external_timestamp(struct timestamp_event_queue *queue,
spin_unlock_irqrestore(&queue->lock, flags);
}
-long scaled_ppm_to_ppb(long ppm)
-{
- /*
- * The 'freq' field in the 'struct timex' is in parts per
- * million, but with a 16 bit binary fractional field.
- *
- * We want to calculate
- *
- * ppb = scaled_ppm * 1000 / 2^16
- *
- * which simplifies to
- *
- * ppb = scaled_ppm * 125 / 2^13
- */
- s64 ppb = 1 + ppm;
- ppb *= 125;
- ppb >>= 13;
- return (long) ppb;
-}
-EXPORT_SYMBOL(scaled_ppm_to_ppb);
-
/* posix clock implementation */
static int ptp_clock_getres(struct posix_clock *pc, struct timespec64 *tp)
@@ -239,6 +218,7 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
pr_err("failed to create ptp aux_worker %d\n", err);
goto kworker_err;
}
+ ptp->pps_source->lookup_cookie = ptp;
}
err = ptp_populate_pin_groups(ptp);