sh: intc: Allocate subgroup virq backing desc directly.

This switches to using irq_alloc_desc() directly for subgroup IRQs.
We still need to call activate_irq() on these in order to make them
requestable, at least up until these get moved in to their own irq
domain..

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/sh/intc/virq.c b/drivers/sh/intc/virq.c
index 93cec21e788b..f30ac9354ff2 100644
--- a/drivers/sh/intc/virq.c
+++ b/drivers/sh/intc/virq.c
@@ -219,12 +219,14 @@ restart:
                 if (radix_tree_deref_retry(entry))
                         goto restart;
 
-                irq = create_irq();
+                irq = irq_alloc_desc(numa_node_id());
                 if (unlikely(irq < 0)) {
                         pr_err("no more free IRQs, bailing..\n");
                         break;
                 }
 
+                activate_irq(irq);
+
                 pr_info("Setting up a chained VIRQ from %d -> %d\n",
                         irq, entry->pirq);