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-rw-r--r--arch/ia64/kernel/irq_ia64.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index a041367f043bb..ab2d19c3661f0 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/ia64/kernel/irq.c
+ * linux/arch/ia64/kernel/irq_ia64.c
*
* Copyright (C) 1998-2001 Hewlett-Packard Co
* Stephane Eranian <eranian@hpl.hp.com>
@@ -30,6 +30,7 @@
#include <linux/smp_lock.h>
#include <linux/threads.h>
#include <linux/bitops.h>
+#include <linux/irq.h>
#include <asm/delay.h>
#include <asm/intrinsics.h>
@@ -105,6 +106,25 @@ reserve_irq_vector (int vector)
return test_and_set_bit(pos, ia64_vector_mask);
}
+/*
+ * Dynamic irq allocate and deallocation for MSI
+ */
+int create_irq(void)
+{
+ int vector = assign_irq_vector(AUTO_ASSIGN);
+
+ if (vector >= 0)
+ dynamic_irq_init(vector);
+
+ return vector;
+}
+
+void destroy_irq(unsigned int irq)
+{
+ dynamic_irq_cleanup(irq);
+ free_irq_vector(irq);
+}
+
#ifdef CONFIG_SMP
# define IS_RESCHEDULE(vec) (vec == IA64_IPI_RESCHEDULE)
#else