From: Thomas Gleixner <[email protected]> Now that all prerequisites are in place add the final support for AUX clocks in get_device_system_crosststamp(), which enables the PTP layer to support hardware cross timestamps with a new IOTCL.
Signed-off-by: Thomas Gleixner <[email protected]> Tested-by: Arthur Kiyanovski <[email protected]> Reviewed-by: David Woodhouse <[email protected]> Reviewed-by: Thomas Weißschuh <[email protected]> Reviewed-by: Jacob Keller <[email protected]> --- kernel/time/timekeeping.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -1517,6 +1517,12 @@ int get_device_system_crosststamp(int (* tkd = &tk_core; offs = &tk_core.timekeeper.offs_real; break; + case CLOCK_AUX ... CLOCK_AUX_LAST: + tkd = aux_get_tk_data(xtstamp->clock_id); + if (!tkd) + return -ENODEV; + offs = &tkd->timekeeper.offs_aux; + break; default: WARN_ON_ONCE(1); return -ENODEV;
