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Diffstat (limited to 'arch/x86/kernel/hpet.c')
-rw-r--r--arch/x86/kernel/hpet.c23
1 files changed, 4 insertions, 19 deletions
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index c96ae8fee95e..d6387dde3ff9 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -7,10 +7,12 @@
#include <linux/cpu.h>
#include <linux/irq.h>
+#include <asm/cpuid/api.h>
#include <asm/irq_remapping.h>
#include <asm/hpet.h>
#include <asm/time.h>
#include <asm/mwait.h>
+#include <asm/msr.h>
#undef pr_fmt
#define pr_fmt(fmt) "hpet: " fmt
@@ -516,22 +518,14 @@ static int hpet_msi_init(struct irq_domain *domain,
struct msi_domain_info *info, unsigned int virq,
irq_hw_number_t hwirq, msi_alloc_info_t *arg)
{
- irq_set_status_flags(virq, IRQ_MOVE_PCNTXT);
irq_domain_set_info(domain, virq, arg->hwirq, info->chip, NULL,
handle_edge_irq, arg->data, "edge");
return 0;
}
-static void hpet_msi_free(struct irq_domain *domain,
- struct msi_domain_info *info, unsigned int virq)
-{
- irq_clear_status_flags(virq, IRQ_MOVE_PCNTXT);
-}
-
static struct msi_domain_ops hpet_msi_domain_ops = {
.msi_init = hpet_msi_init,
- .msi_free = hpet_msi_free,
};
static struct msi_domain_info hpet_msi_domain_info = {
@@ -927,10 +921,7 @@ static bool __init mwait_pc10_supported(void)
if (!cpu_feature_enabled(X86_FEATURE_MWAIT))
return false;
- if (boot_cpu_data.cpuid_level < CPUID_MWAIT_LEAF)
- return false;
-
- cpuid(CPUID_MWAIT_LEAF, &eax, &ebx, &ecx, &mwait_substates);
+ cpuid(CPUID_LEAF_MWAIT, &eax, &ebx, &ecx, &mwait_substates);
return (ecx & CPUID5_ECX_EXTENSIONS_SUPPORTED) &&
(ecx & CPUID5_ECX_INTERRUPT_BREAK) &&
@@ -980,7 +971,7 @@ static bool __init hpet_is_pc10_damaged(void)
return false;
/* Check whether PC10 is enabled in PKG C-state limit */
- rdmsrl(MSR_PKG_CST_CONFIG_CONTROL, pcfg);
+ rdmsrq(MSR_PKG_CST_CONFIG_CONTROL, pcfg);
if ((pcfg & 0xF) < 8)
return false;
@@ -1392,12 +1383,6 @@ int hpet_set_periodic_freq(unsigned long freq)
}
EXPORT_SYMBOL_GPL(hpet_set_periodic_freq);
-int hpet_rtc_dropped_irq(void)
-{
- return is_hpet_enabled();
-}
-EXPORT_SYMBOL_GPL(hpet_rtc_dropped_irq);
-
static void hpet_rtc_timer_reinit(void)
{
unsigned int delta;