patch-2.4.8 linux/arch/ia64/kernel/irq_lsapic.c

• Lines: 39
• Date: Tue Jul 31 10:30:08 2001
• Orig file: v2.4.7/linux/arch/ia64/kernel/irq_lsapic.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.7/linux/arch/ia64/kernel/irq_lsapic.c linux/arch/ia64/kernel/irq_lsapic.c
@@ -0,0 +1,38 @@
+/*
+ * LSAPIC Interrupt Controller
+ *
+ * This takes care of interrupts that are generated by the CPU's
+ * internal Streamlined Advanced Programmable Interrupt Controller
+ * (LSAPIC), 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
+lsapic_noop_startup (unsigned int irq)
+{
+	return 0;
+}
+
+static void
+lsapic_noop (unsigned int irq)
+{
+	/* nuthing to do... */
+}
+
+struct hw_interrupt_type irq_type_ia64_lsapic = {
+	typename:	"LSAPIC",
+	startup:	lsapic_noop_startup,
+	shutdown:	lsapic_noop,
+	enable:		lsapic_noop,
+	disable:	lsapic_noop,
+	ack:		lsapic_noop,
+	end:		lsapic_noop,
+	set_affinity:	(void (*)(unsigned int, unsigned long)) lsapic_noop
+};