summaryrefslogtreecommitdiffstats
path: root/arch/ia64/hp/sim/hpsim_irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/hp/sim/hpsim_irq.c')
-rw-r--r--arch/ia64/hp/sim/hpsim_irq.c36
1 files changed, 30 insertions, 6 deletions
diff --git a/arch/ia64/hp/sim/hpsim_irq.c b/arch/ia64/hp/sim/hpsim_irq.c
index 4bd9a63260ee..0aa70ebda49d 100644
--- a/arch/ia64/hp/sim/hpsim_irq.c
+++ b/arch/ia64/hp/sim/hpsim_irq.c
@@ -10,6 +10,8 @@
#include <linux/sched.h>
#include <linux/irq.h>
+#include "hpsim_ssc.h"
+
static unsigned int
hpsim_irq_startup(struct irq_data *data)
{
@@ -37,15 +39,37 @@ static struct irq_chip irq_type_hp_sim = {
.irq_set_affinity = hpsim_set_affinity_noop,
};
+static void hpsim_irq_set_chip(int irq)
+{
+ struct irq_chip *chip = irq_get_chip(irq);
+
+ if (chip == &no_irq_chip)
+ irq_set_chip(irq, &irq_type_hp_sim);
+}
+
+static void hpsim_connect_irq(int intr, int irq)
+{
+ ia64_ssc(intr, irq, 0, 0, SSC_CONNECT_INTERRUPT);
+}
+
+int hpsim_get_irq(int intr)
+{
+ int irq = assign_irq_vector(AUTO_ASSIGN);
+
+ if (irq >= 0) {
+ hpsim_irq_set_chip(irq);
+ irq_set_handler(irq, handle_simple_irq);
+ hpsim_connect_irq(intr, irq);
+ }
+
+ return irq;
+}
+
void __init
hpsim_irq_init (void)
{
int i;
- for_each_active_irq(i) {
- struct irq_chip *chip = irq_get_chip(i);
-
- if (chip == &no_irq_chip)
- irq_set_chip(i, &irq_type_hp_sim);
- }
+ for_each_active_irq(i)
+ hpsim_irq_set_chip(i);
}