1 files changed, 51 insertions, 0 deletions
diff --git a/arch/ia64/hp/sim/hpsim_irq.c b/arch/ia64/hp/sim/hpsim_irq.c
new file mode 100644
index 000000000000..c0d25a2a3e9c
--- /dev/null
+++ b/arch/ia64/hp/sim/hpsim_irq.c
@@ -0,0 +1,51 @@
+/*
+ * Platform dependent support for HP simulator.
+ *
+ * Copyright (C) 1998-2001 Hewlett-Packard Co
+ * Copyright (C) 1998-2001 David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/irq.h>
+
+static unsigned int
+hpsim_irq_startup (unsigned int irq)
+{
+	return 0;
+}
+
+static void
+hpsim_irq_noop (unsigned int irq)
+{
+}
+
+static void
+hpsim_set_affinity_noop (unsigned int a, cpumask_t b)
+{
+}
+
+static struct hw_interrupt_type irq_type_hp_sim = {
+	.typename =	"hpsim",
+	.startup =	hpsim_irq_startup,
+	.shutdown =	hpsim_irq_noop,
+	.enable =	hpsim_irq_noop,
+	.disable =	hpsim_irq_noop,
+	.ack =		hpsim_irq_noop,
+	.end =		hpsim_irq_noop,
+	.set_affinity =	hpsim_set_affinity_noop,
+};
+
+void __init
+hpsim_irq_init (void)
+{
+	irq_desc_t *idesc;
+	int i;
+
+	for (i = 0; i < NR_IRQS; ++i) {
+		idesc = irq_descp(i);
+		if (idesc->handler == &no_irq_type)
+			idesc->handler = &irq_type_hp_sim;
+	}
+}