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-rw-r--r--arch/x86_64/kernel/pmtimer.c5
-rw-r--r--arch/x86_64/kernel/time.c12
-rw-r--r--include/asm-x86_64/proto.h1
3 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/pmtimer.c b/arch/x86_64/kernel/pmtimer.c
index feb5f108dd2..8b2655ae4e6 100644
--- a/arch/x86_64/kernel/pmtimer.c
+++ b/arch/x86_64/kernel/pmtimer.c
@@ -80,6 +80,11 @@ int pmtimer_mark_offset(void)
return lost - 1;
}
+void pmtimer_resume(void)
+{
+ last_pmtmr_tick = inl(pmtmr_ioport);
+}
+
unsigned int do_gettimeoffset_pm(void)
{
u32 now, offset, delta = 0;
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 91a448a86eb..c1f76055b57 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -1047,9 +1047,21 @@ static int timer_resume(struct sys_device *dev)
write_seqlock_irqsave(&xtime_lock,flags);
xtime.tv_sec = sec;
xtime.tv_nsec = 0;
+ if (vxtime.mode == VXTIME_HPET) {
+ if (hpet_use_timer)
+ vxtime.last = hpet_readl(HPET_T0_CMP) - hpet_tick;
+ else
+ vxtime.last = hpet_readl(HPET_COUNTER);
+#ifdef CONFIG_X86_PM_TIMER
+ } else if (vxtime.mode == VXTIME_PMTMR) {
+ pmtimer_resume();
+#endif
+ } else
+ vxtime.last_tsc = get_cycles_sync();
write_sequnlock_irqrestore(&xtime_lock,flags);
jiffies += sleep_length;
wall_jiffies += sleep_length;
+ monotonic_base += sleep_length * (NSEC_PER_SEC/HZ);
touch_softlockup_watchdog();
return 0;
}
diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h
index c1e2307445d..a6748b9568f 100644
--- a/include/asm-x86_64/proto.h
+++ b/include/asm-x86_64/proto.h
@@ -41,6 +41,7 @@ extern void iommu_hole_init(void);
extern void time_init_gtod(void);
extern int pmtimer_mark_offset(void);
+extern void pmtimer_resume(void);
extern unsigned int do_gettimeoffset_pm(void);
#ifdef CONFIG_X86_PM_TIMER
extern u32 pmtmr_ioport;