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| author | Felix Blyakher <felixb@sgi.com> | 2009-02-09 09:34:45 -0600 |
|---|---|---|
| committer | Felix Blyakher <felixb@sgi.com> | 2009-02-09 09:34:45 -0600 |
| commit | d41d4113f49e16bfab02eff0248282200be21807 (patch) | |
| tree | ae84803c22a09f138023ef62de73712f324bc62d /arch/x86/mach-default/setup.c | |
| parent | b58a4cc51f4f569c6a86979890f9b237a504ab6b (diff) | |
| parent | d5b562330ec766292a3ac54ae5e0673610bd5b3d (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/x86/mach-default/setup.c')
| -rw-r--r-- | arch/x86/mach-default/setup.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c index df167f26562..a265a7c6319 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); + } /** |