patch-2.4.20 linux-2.4.20/arch/ia64/hp/sim/hpsim_irq.c
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- Lines: 47
- Date:
Thu Nov 28 15:53:09 2002
- Orig file:
linux-2.4.19/arch/ia64/hp/sim/hpsim_irq.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -urN linux-2.4.19/arch/ia64/hp/sim/hpsim_irq.c linux-2.4.20/arch/ia64/hp/sim/hpsim_irq.c
@@ -0,0 +1,46 @@
+/*
+ * 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 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: (void (*)(unsigned int, unsigned long)) hpsim_irq_noop,
+};
+
+void __init
+hpsim_irq_init (void)
+{
+ irq_desc_t *idesc;
+ int i;
+
+ for (i = 0; i < NR_IRQS; ++i) {
+ idesc = irq_desc(i);
+ if (idesc->handler == &no_irq_type)
+ idesc->handler = &irq_type_hp_sim;
+ }
+}
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