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-rw-r--r--arch/x86/kernel/hpet.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 77017e8..a1f6ed5 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -322,7 +322,7 @@ static int hpet_next_event(unsigned long delta,
* what we wrote hit the chip before we compare it to the
* counter.
*/
- WARN_ON((u32)hpet_readl(HPET_T0_CMP) != cnt);
+ WARN_ON_ONCE((u32)hpet_readl(HPET_Tn_CMP(timer)) != cnt);
return (s32)((u32)hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0;
}
@@ -445,7 +445,7 @@ static int hpet_setup_irq(struct hpet_dev *dev)
{
if (request_irq(dev->irq, hpet_interrupt_handler,
- IRQF_SHARED|IRQF_NOBALANCING, dev->name, dev))
+ IRQF_DISABLED|IRQF_NOBALANCING, dev->name, dev))
return -1;
disable_irq(dev->irq);
@@ -811,7 +811,7 @@ int __init hpet_enable(void)
out_nohpet:
hpet_clear_mapping();
- boot_hpet_disable = 1;
+ hpet_address = 0;
return 0;
}
@@ -834,10 +834,11 @@ static __init int hpet_late_init(void)
hpet_address = force_hpet_address;
hpet_enable();
- if (!hpet_virt_address)
- return -ENODEV;
}
+ if (!hpet_virt_address)
+ return -ENODEV;
+
hpet_reserve_platform_timers(hpet_readl(HPET_ID));
for_each_online_cpu(cpu) {
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