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-rw-r--r--arch/x86_64/kernel/time.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index bd5ea09bfdf..7037ca668c6 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -1138,8 +1138,12 @@ static void hpet_rtc_timer_reinit(void)
{
unsigned int cfg, cnt;
- if (!(PIE_on | AIE_on | UIE_on))
+ if (unlikely(!(PIE_on | AIE_on | UIE_on))) {
+ cfg = hpet_readl(HPET_T1_CFG);
+ cfg &= ~HPET_TN_ENABLE;
+ hpet_writel(cfg, HPET_T1_CFG);
return;
+ }
if (PIE_on && (PIE_freq > DEFAULT_RTC_INT_FREQ))
hpet_rtc_int_freq = PIE_freq;