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ptp: ptp_clock: Publish scaled_ppm_to_ppb

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Publish scaled_ppm_to_ppb to allow drivers to use it.

Signed-off-by: Shalom Toledo <shalomt@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shalom Toledo
2019-06-11 18:45:09 +03:00
committed by David S. Miller
parent 1078645af6
commit 4368dada5b
2 changed files with 10 additions and 1 deletions
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drivers/ptp/ptp_clock.c
+2 -1
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@@ -63,7 +63,7 @@ static void enqueue_external_timestamp(struct timestamp_event_queue *queue,
spin_unlock_irqrestore(&queue->lock, flags);
}
static s32 scaled_ppm_to_ppb(long ppm)
s32 scaled_ppm_to_ppb(long ppm)
{
/*
* The 'freq' field in the 'struct timex' is in parts per
@@ -82,6 +82,7 @@ static s32 scaled_ppm_to_ppb(long ppm)
ppb >>= 13;
return (s32) ppb;
}
EXPORT_SYMBOL(scaled_ppm_to_ppb);
/* posix clock implementation */