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authorRalf Baechle <ralf@linux-mips.org>2000-04-28 01:09:25 +0000
committerRalf Baechle <ralf@linux-mips.org>2000-04-28 01:09:25 +0000
commitb9ba7aeb165cffecdffb60aec8c3fa8d590d9ca9 (patch)
tree42d07b0c7246ae2536a702e7c5de9e2732341116 /arch/ia64/kernel/irq_sapic.c
parent7406b0a326f2d70ade2671c37d1beef62249db97 (diff)
Merge with 2.3.99-pre6.
Diffstat (limited to 'arch/ia64/kernel/irq_sapic.c')
-rw-r--r--arch/ia64/kernel/irq_sapic.c38
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
+};