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local: cancel remaining correction after external step

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Instead of the generic clock driver silently zeroing the remaining
offset after detecting an external step, cancel it properly with the
slew handlers in order to correct timestamps that are not reset in
handling of the unknown step (e.g. the NTP local TX).
This commit is contained in:
Miroslav Lichvar
2022-05-12 11:53:15 +02:00
parent a0a496dcb4
commit 9cc609c4b0
2 changed files with 3 additions and 6 deletions
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7
sys_generic.c
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@@ -109,12 +109,7 @@ static void
handle_step(struct timespec *raw, struct timespec *cooked, double dfreq,
double doffset, LCL_ChangeType change_type, void *anything)
{
if (change_type == LCL_ChangeUnknownStep) {
/* Reset offset and slewing */
slew_start = *raw;
offset_register = 0.0;
update_slew();
} else if (change_type == LCL_ChangeStep) {
if (change_type == LCL_ChangeStep) {
UTI_AddDoubleToTimespec(&slew_start, -doffset, &slew_start);
}
}