[IA64] SN2 needs platform specific irq_to_vector() function.
Add base support for implementing platform_irq_to_vector(), and
then use it on SN2.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Acked-by: John Keller <jpk@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index cc3ee4e..44be1c95 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -33,6 +33,11 @@
}
#ifdef CONFIG_IA64_GENERIC
+ia64_vector __ia64_irq_to_vector(int irq)
+{
+ return irq_cfg[irq].vector;
+}
+
unsigned int __ia64_local_vector_to_irq (ia64_vector vec)
{
return __get_cpu_var(vector_irq)[vec];
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 7f6d236..bfa43e4 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -256,6 +256,13 @@
.set_affinity = sn_set_affinity_irq
};
+ia64_vector sn_irq_to_vector(int irq)
+{
+ if (irq >= IA64_NUM_VECTORS)
+ return 0;
+ return (ia64_vector)irq;
+}
+
unsigned int sn_local_vector_to_irq(u8 vector)
{
return (CPU_VECTOR_TO_IRQ(smp_processor_id(), vector));