From: Thomas Gleixner <tglx@kernel.org>
Date: Fri, 29 May 2026 20:00:04 +0000 (+0200)
Subject: pps: Convert to ktime_get_snapshot_id()
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=d5becddf8a0f18bcc18129efa086530b5263c6b4;p=thirdparty%2Fkernel%2Flinux.git

pps: Convert to ktime_get_snapshot_id()

ktime_get_snapshot() resolves to ktime_get_snapshot_id(CLOCK_REALTIME).

Make it obvious in the code and convert the readout to use the
snapshot::systime and monoraw fields instead of snapshot::real and raw,
which aregoing away.

Similar to the PPS generators, avoid the more expensive snapshot when
CONFIG_NTP_PPS is disabled.

No functional change intended.

Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Tested-by: Arthur Kiyanovski <akiyano@amazon.com>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20260529195557.123410250@kernel.org
---

diff --git a/include/linux/pps_kernel.h b/include/linux/pps_kernel.h
index aab0aebb529e..9f088c9023b1 100644
--- a/include/linux/pps_kernel.h
+++ b/include/linux/pps_kernel.h
@@ -99,12 +99,14 @@ static inline void timespec_to_pps_ktime(struct pps_ktime *kt,
 
 static inline void pps_get_ts(struct pps_event_time *ts)
 {
+#ifdef CONFIG_NTP_PPS
 	struct system_time_snapshot snap;
 
-	ktime_get_snapshot(&snap);
-	ts->ts_real = ktime_to_timespec64(snap.real);
-#ifdef CONFIG_NTP_PPS
-	ts->ts_raw = ktime_to_timespec64(snap.raw);
+	ktime_get_snapshot_id(CLOCK_REALTIME, &snap);
+	ts->ts_real = ktime_to_timespec64(snap.systime);
+	ts->ts_raw = ktime_to_timespec64(snap.monoraw);
+#else
+	ktime_get_real_ts64(&ts->ts_real);
 #endif
 }