Date: Thu, 7 Jul 2022 17:25:03 +0200 From: Sebastian Huber <sebastian.huber@embedded-brains.de> To: freebsd-hackers@freebsd.org Subject: [PATCH 3/6] pps: Move pcount assignment in pps_event() Message-ID: <20220707152506.55626-4-sebastian.huber@embedded-brains.de> In-Reply-To: <20220707152506.55626-1-sebastian.huber@embedded-brains.de> References: <20220707152506.55626-1-sebastian.huber@embedded-brains.de>
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Move the pseq increment. This makes it possible to reuse registers earlier.
---
sys/kern/kern_tc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/sys/kern/kern_tc.c b/sys/kern/kern_tc.c
index b466fd4399e4..b625726123af 100644
--- a/sys/kern/kern_tc.c
+++ b/sys/kern/kern_tc.c
@@ -1842,25 +1842,25 @@ pps_event(struct pps_state *pps, int event)
#endif
}
+ *pcount = pps->capcount;
+
/*
* If the timecounter changed, we cannot compare the count values, so
* we have to drop the rest of the PPS-stuff until the next event.
*/
if (__predict_false(pps->ppstc != captc)) {
pps->ppstc = captc;
- *pcount = pps->capcount;
pps->ppscount[2] = pps->capcount;
return;
}
+ (*pseq)++;
+
/* Convert the count to a timespec. */
tcount = pps->capcount - tcount;
tcount &= captc->tc_counter_mask;
bintime_addx(&bt, capth_scale * tcount);
bintime2timespec(&bt, &ts);
-
- *pcount = pps->capcount;
- (*pseq)++;
*tsp = ts;
if (foff) {
--
2.35.3
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