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authorEric Miao <eric.miao@marvell.com>2009-03-09 21:21:07 +0800
committerEric Miao <eric.miao@marvell.com>2009-03-09 21:21:07 +0800
commitabcea2c322cef559ef2f108b4763d107a5ccc37f (patch)
tree5fec7fec372f9bdb70703f6c77bfc49cda945442 /arch/x86/mach-default/setup.c
parent8118aea23c328fd4913b325af53fda9d530b1d56 (diff)
parent6d831c6554e4f95083919914955a1a3a4a6acfa9 (diff)
Merge branch 'devel' of ssh://master.kernel.org/home/rmk/linux-2.6-arm into devel
Diffstat (limited to 'arch/x86/mach-default/setup.c')
-rw-r--r--arch/x86/mach-default/setup.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
index df167f265622..a265a7c63190 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);
+
}
/**