Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[linux-2.6-omap-h63xx.git] / arch / ia64 / kernel / irq_ia64.c

diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index a041367f043bb8324ea854adcb9d0c801cd41597..ab2d19c3661f0ce7b390585667646b3cb2cdccd4 100644 (file)
--- 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