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authorDave Jones <davej@redhat.com>2006-12-12 17:41:41 -0500
committerDave Jones <davej@redhat.com>2006-12-12 17:41:41 -0500
commitc4366889dda8110247be59ca41fddb82951a8c26 (patch)
tree705c1a996bed8fd48ce94ff33ec9fd00f9b94875 /arch/i386/kernel/apic.c
parentdb2fb9db5735cc532fd4fc55e94b9a3c3750378e (diff)
parente1036502e5263851259d147771226161e5ccc85a (diff)
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Merge ../linus
Conflicts: drivers/cpufreq/cpufreq.c
Diffstat (limited to 'arch/i386/kernel/apic.c')
-rw-r--r--arch/i386/kernel/apic.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 2fd4b7d927c2..776d9be26af9 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -647,23 +647,30 @@ static struct {
static int lapic_suspend(struct sys_device *dev, pm_message_t state)
{
unsigned long flags;
+ int maxlvt;
if (!apic_pm_state.active)
return 0;
+ maxlvt = get_maxlvt();
+
apic_pm_state.apic_id = apic_read(APIC_ID);
apic_pm_state.apic_taskpri = apic_read(APIC_TASKPRI);
apic_pm_state.apic_ldr = apic_read(APIC_LDR);
apic_pm_state.apic_dfr = apic_read(APIC_DFR);
apic_pm_state.apic_spiv = apic_read(APIC_SPIV);
apic_pm_state.apic_lvtt = apic_read(APIC_LVTT);
- apic_pm_state.apic_lvtpc = apic_read(APIC_LVTPC);
+ if (maxlvt >= 4)
+ apic_pm_state.apic_lvtpc = apic_read(APIC_LVTPC);
apic_pm_state.apic_lvt0 = apic_read(APIC_LVT0);
apic_pm_state.apic_lvt1 = apic_read(APIC_LVT1);
apic_pm_state.apic_lvterr = apic_read(APIC_LVTERR);
apic_pm_state.apic_tmict = apic_read(APIC_TMICT);
apic_pm_state.apic_tdcr = apic_read(APIC_TDCR);
- apic_pm_state.apic_thmr = apic_read(APIC_LVTTHMR);
+#ifdef CONFIG_X86_MCE_P4THERMAL
+ if (maxlvt >= 5)
+ apic_pm_state.apic_thmr = apic_read(APIC_LVTTHMR);
+#endif
local_irq_save(flags);
disable_local_APIC();
@@ -675,10 +682,13 @@ static int lapic_resume(struct sys_device *dev)
{
unsigned int l, h;
unsigned long flags;
+ int maxlvt;
if (!apic_pm_state.active)
return 0;
+ maxlvt = get_maxlvt();
+
local_irq_save(flags);
/*
@@ -700,8 +710,12 @@ static int lapic_resume(struct sys_device *dev)
apic_write(APIC_SPIV, apic_pm_state.apic_spiv);
apic_write(APIC_LVT0, apic_pm_state.apic_lvt0);
apic_write(APIC_LVT1, apic_pm_state.apic_lvt1);
- apic_write(APIC_LVTTHMR, apic_pm_state.apic_thmr);
- apic_write(APIC_LVTPC, apic_pm_state.apic_lvtpc);
+#ifdef CONFIG_X86_MCE_P4THERMAL
+ if (maxlvt >= 5)
+ apic_write(APIC_LVTTHMR, apic_pm_state.apic_thmr);
+#endif
+ if (maxlvt >= 4)
+ apic_write(APIC_LVTPC, apic_pm_state.apic_lvtpc);
apic_write(APIC_LVTT, apic_pm_state.apic_lvtt);
apic_write(APIC_TDCR, apic_pm_state.apic_tdcr);
apic_write(APIC_TMICT, apic_pm_state.apic_tmict);