From 74ee7db60758af58f08fc0034c19ae21943b5bfd Mon Sep 17 00:00:00 2001
From: "Eric W. Biederman" <ebiederm@xmission.com>
Date: Wed, 4 Oct 2006 02:16:38 -0700
Subject: [PATCH] --- yaml --- r: 38420 b: refs/heads/master c:
 b6cf2583ba026ca563ff8b15805fcf30b8e192a7 h: refs/heads/master v: v3

---
 [refs]                            |  2 +-
 trunk/arch/ia64/kernel/irq_ia64.c | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index d63688b230a3..c684cb1e5fdd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3a16d713626735f3016da0521b7bf251cd78e836
+refs/heads/master: b6cf2583ba026ca563ff8b15805fcf30b8e192a7
diff --git a/trunk/arch/ia64/kernel/irq_ia64.c b/trunk/arch/ia64/kernel/irq_ia64.c
index aafca18ab33b..ab2d19c3661f 100644
--- a/trunk/arch/ia64/kernel/irq_ia64.c
+++ b/trunk/arch/ia64/kernel/irq_ia64.c
@@ -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