Signed-off-by: Eric W. Biederman <[email protected]>
---
arch/ia64/kernel/irq_ia64.c | 23 +++++++++++++++++++++++
1 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index f503530..b0189c7 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -31,6 +31,7 @@ #include <linux/smp.h>
#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>
@@ -106,6 +107,28 @@ 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;
+ unsigned long flags;
+
+ vector = assign_irq_vector(AUTO_ASSIGN);
+
+ if (vector >= 0)
+ dynamic_irq_init(irq);
+
+ 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
--
1.4.0.gc07e
-
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