diff options
| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2009-01-31 17:24:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-31 18:26:07 +0100 |
| commit | 92ab78315c638515d0e81b0c70b2082f713582d9 (patch) | |
| tree | 9b9e2f8c0e985a0a3f7afaeb3160706aa1fe172a /arch/x86/mach-default/setup.c | |
| parent | 7fc49f19813030f2e15ad2ccec5cb701f7f4a3ec (diff) | |
x86/Voyager: make it build and boot
[
mingo@elte.hu: these fixes are a subset of changes cherry-picked from:
git://git.kernel.org:/pub/scm/linux/kernel/git/jejb/voyager-2.6.git
They fix various problems that recent x86 changes caused in the Voyager
subarchitecture: both APIC changes and cpumask changes and certain
cleanups caused subarch assumptions to break.
Most of these changes are obsolete as the subarch code has been removed
from the x86 development tree - but we merge them upstream to make Voyager
build and boot.
]
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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); + } /** |