Merge branch 'restart-cleanup' into restart

Conflicts:
	arch/arm/kernel/setup.c

1 files changed, 14 insertions, 7 deletions

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index b946a9eac7d9..1bb0bf4d92cd 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -1049,6 +1049,14 @@ int hpet_rtc_timer_init(void)
 }
 EXPORT_SYMBOL_GPL(hpet_rtc_timer_init);
 
+static void hpet_disable_rtc_channel(void)
+{
+	unsigned long cfg;
+	cfg = hpet_readl(HPET_T1_CFG);
+	cfg &= ~HPET_TN_ENABLE;
+	hpet_writel(cfg, HPET_T1_CFG);
+}
+
 /*
  * The functions below are called from rtc driver.
  * Return 0 if HPET is not being used.
@@ -1060,6 +1068,9 @@ int hpet_mask_rtc_irq_bit(unsigned long bit_mask)
 		return 0;
 
 	hpet_rtc_flags &= ~bit_mask;
+	if (unlikely(!hpet_rtc_flags))
+		hpet_disable_rtc_channel();
+
 	return 1;
 }
 EXPORT_SYMBOL_GPL(hpet_mask_rtc_irq_bit);
@@ -1125,15 +1136,11 @@ EXPORT_SYMBOL_GPL(hpet_rtc_dropped_irq);
 
 static void hpet_rtc_timer_reinit(void)
 {
-	unsigned int cfg, delta;
+	unsigned int delta;
 	int lost_ints = -1;
 
-	if (unlikely(!hpet_rtc_flags)) {
-		cfg = hpet_readl(HPET_T1_CFG);
-		cfg &= ~HPET_TN_ENABLE;
-		hpet_writel(cfg, HPET_T1_CFG);
-		return;
-	}
+	if (unlikely(!hpet_rtc_flags))
+		hpet_disable_rtc_channel();
 
 	if (!(hpet_rtc_flags & RTC_PIE) || hpet_pie_limit)
 		delta = hpet_default_delta;