Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

[pandora-kernel.git] / arch / sh / boards / mach-dreamcast / irq.c

diff --git a/arch/sh/boards/mach-dreamcast/irq.c b/arch/sh/boards/mach-dreamcast/irq.c
index f55fc8e..d932667 100644 (file)
--- a/arch/sh/boards/mach-dreamcast/irq.c
+++ b/arch/sh/boards/mach-dreamcast/irq.c
@@ -135,3 +135,30 @@ int systemasic_irq_demux(int irq)
        /* Not reached */
        return irq;
 }
+
+void systemasic_irq_init(void)
+{
+       int i, nid = cpu_to_node(boot_cpu_data);
+
+       /* Assign all virtual IRQs to the System ASIC int. handler */
+       for (i = HW_EVENT_IRQ_BASE; i < HW_EVENT_IRQ_MAX; i++) {
+               unsigned int irq;
+
+               irq = create_irq_nr(i, nid);
+               if (unlikely(irq == 0)) {
+                       pr_err("%s: failed hooking irq %d for systemasic\n",
+                              __func__, i);
+                       return;
+               }
+
+               if (unlikely(irq != i)) {
+                       pr_err("%s: got irq %d but wanted %d, bailing.\n",
+                              __func__, irq, i);
+                       destroy_irq(irq);
+                       return;
+               }
+
+               set_irq_chip_and_handler(i, &systemasic_int,
+                                        handle_level_irq);
+       }
+}