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| author |   Shalom Toledo <shalomt@mellanox.com> | 2019-06-11 18:45:09 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-06-13 22:34:55 -0700 |
| commit | 4368dada5b37e74a13b892ca5cef8a7d558e9a5f (patch) | |
| tree | e7aaa25c47d9b1ba375b2bec385fbeece9b7eb24 /include/linux/ptp_clock_kernel.h | |
| parent | mlxsw: reg: Add Management Pulse Per Second Register (diff) | |
| download | wireguard-linux-4368dada5b37e74a13b892ca5cef8a7d558e9a5f.tar.xz wireguard-linux-4368dada5b37e74a13b892ca5cef8a7d558e9a5f.zip | |
ptp: ptp_clock: Publish scaled_ppm_to_ppb
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>
Diffstat (limited to 'include/linux/ptp_clock_kernel.h')
| -rw-r--r-- | include/linux/ptp_clock_kernel.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h index 28eb9c792522..93cc4f1d444a 100644 --- a/include/linux/ptp_clock_kernel.h +++ b/include/linux/ptp_clock_kernel.h @@ -213,6 +213,14 @@ extern void ptp_clock_event(struct ptp_clock *ptp, extern int ptp_clock_index(struct ptp_clock *ptp); /** + * scaled_ppm_to_ppb() - convert scaled ppm to ppb + * + * @ppm: Parts per million, but with a 16 bit binary fractional field + */ + +extern s32 scaled_ppm_to_ppb(long ppm); + +/** * ptp_find_pin() - obtain the pin index of a given auxiliary function * * @ptp: The clock obtained from ptp_clock_register(). |