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| author | Takashi Iwai <tiwai@suse.de> | 2009-03-09 15:21:57 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-03-09 15:21:57 +0100 |
| commit | efdcd41b4e41560375bb34ad8b095bcaa1c3a93f (patch) | |
| tree | 57200ef68bae530776c0c2621c51e9464e1e72f9 /arch/x86/mach-default/setup.c | |
| parent | 33dbe6114047496a5b6fee0941c52dad41250043 (diff) | |
| parent | 79c7cdd5441f5d3900c1632adcc8cd2bee35c8da (diff) | |
| download | lwn-efdcd41b4e41560375bb34ad8b095bcaa1c3a93f.tar.gz lwn-efdcd41b4e41560375bb34ad8b095bcaa1c3a93f.zip | |
Merge branch 'topic/vmaster-update' into topic/docbook-fix
Diffstat (limited to 'arch/x86/mach-default/setup.c')
| -rw-r--r-- | arch/x86/mach-default/setup.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c index df167f265622..50b591871128 100644 --- a/arch/x86/mach-default/setup.c +++ b/arch/x86/mach-default/setup.c @@ -38,6 +38,15 @@ void __init pre_intr_init_hook(void) init_ISA_irqs(); } +/* + * IRQ2 is cascade interrupt to second interrupt controller + */ +static struct irqaction irq2 = { + .handler = no_action, + .mask = CPU_MASK_NONE, + .name = "cascade", +}; + /** * intr_init_hook - post gate setup interrupt initialisation * @@ -53,6 +62,9 @@ void __init intr_init_hook(void) if (x86_quirks->arch_intr_init()) return; } + if (!acpi_ioapic) + setup_irq(2, &irq2); + } /** @@ -84,7 +96,7 @@ void __init trap_init_hook(void) static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER, .mask = CPU_MASK_NONE, .name = "timer" }; |