Module Name: src
Committed By: ad
Date: Sat May 16 23:06:40 UTC 2020
Modified Files:
src/sys/dev/ic: hpet.c
Log Message:
Store initial TSC/HPET readings for hpet0 only.
To generate a diff of this commit:
cvs rdiff -u -r1.16 -r1.17 src/sys/dev/ic/hpet.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/ic/hpet.c
diff -u src/sys/dev/ic/hpet.c:1.16 src/sys/dev/ic/hpet.c:1.17
--- src/sys/dev/ic/hpet.c:1.16 Fri May 8 22:01:54 2020
+++ src/sys/dev/ic/hpet.c Sat May 16 23:06:40 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: hpet.c,v 1.16 2020/05/08 22:01:54 ad Exp $ */
+/* $NetBSD: hpet.c,v 1.17 2020/05/16 23:06:40 ad Exp $ */
/*
* Copyright (c) 2006 Nicolas Joly
@@ -33,7 +33,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: hpet.c,v 1.16 2020/05/08 22:01:54 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: hpet.c,v 1.17 2020/05/16 23:06:40 ad Exp $");
#include <sys/systm.h>
#include <sys/device.h>
@@ -149,7 +149,7 @@ hpet_attach_subr(device_t dv)
sc->sc_adj = (int64_t)val * sc->sc_period / 1000;
/* Store attach-time values for computing TSC frequency later. */
- if (cpu_hascounter()) {
+ if (cpu_hascounter() && sc == hpet0) {
(void)cpu_counter();
val = bus_space_read_4(sc->sc_memt, sc->sc_memh, HPET_MCOUNT_LO);
hpet_attach_tsc = cpu_counter();