1 files changed, 38 insertions, 0 deletions
diff --git a/arch/ia64/kernel/irq_sapic.c b/arch/ia64/kernel/irq_sapic.c
new file mode 100644
index 000000000..a431275a8
--- /dev/null
+++ b/arch/ia64/kernel/irq_sapic.c
@@ -0,0 +1,38 @@
+/*
+ * SAPIC Interrupt Controller
+ *
+ * This takes care of interrupts that are generated by the CPU's
+ * internal Streamlined Advanced Programmable Interrupt Controller
+ * (SAPIC), such as the ITC and IPI interrupts.
+ *
+ * Copyright (C) 1999 VA Linux Systems
+ * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
+ * Copyright (C) 2000 Hewlett-Packard Co
+ * Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#include <linux/sched.h>
+#include <linux/irq.h>
+
+static unsigned int
+sapic_noop_startup (unsigned int irq)
+{
+	return 0;
+}
+
+static void
+sapic_noop (unsigned int irq)
+{
+	/* nuthing to do... */
+}
+
+struct hw_interrupt_type irq_type_ia64_sapic = {
+	typename:	"SAPIC",
+	startup:	sapic_noop_startup,
+	shutdown:	sapic_noop,
+	enable:		sapic_noop,
+	disable:	sapic_noop,
+	ack:		sapic_noop,
+	end:		sapic_noop,
+	set_affinity:	(void (*)(unsigned int, unsigned long)) sapic_noop
+};