[Git][NTPsec/ntpsec][master] Remove an out-of-date assertion about PPS in a comment.

[Eric S. Raymond]

Eric S. Raymond pushed to branch master at NTPsec / ntpsec


Commits:
4083b0d9 by Eric S. Raymond at 2016-09-10T15:47:06-04:00
Remove an out-of-date assertion about PPS in a comment.

- - - - -


2 changed files:

- devel/TODO
- ntpd/ntp_refclock.c


Changes:

=====================================
devel/TODO
=====================================
--- a/devel/TODO
+++ b/devel/TODO
@@ -36,10 +36,6 @@
   need for adjtimex(2). We need to collect statistics on builds with and
   without the PLL to see if it's actually a win.
 
-* From refclock_params in ntpd/ntp_refclock.c: " FreeBSD serial ports
-  provide capture on the clear edge, while FreeBSD parallel ports
-  provide capture on the assert edge.: Needs checking.
-
 === Testing ===
 
 * Unit testing.  "waf check" needs to run all the unit tests, not


=====================================
ntpd/ntp_refclock.c
=====================================
--- a/ntpd/ntp_refclock.c
+++ b/ntpd/ntp_refclock.c
@@ -1013,10 +1013,9 @@ refclock_params(
 	ap->pps_params.api_version = PPS_API_VERS_1;
 
 	/*
-	 * Solaris serial ports provide PPS pulse capture only on the
-	 * assert edge. FreeBSD serial ports provide capture on the
-	 * clear edge, while FreeBSD parallel ports provide capture
-	 * on the assert edge. Your mileage may vary.
+	 * If flag2 is lit, capture on clear edge if we can.  Not all
+	 * PPSAPI implementations let you choose; if in doubt, check
+	 * the documentation of your serial driver.
 	 */
 	if (mode & CLK_FLAG2)
 		ap->pps_params.mode = PPS_TSFMT_TSPEC | PPS_CAPTURECLEAR;



View it on GitLab: https://gitlab.com/NTPsec/ntpsec/commit/4083b0d975651c3fcdb8232919b84ac4fc3d0968
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