1 files changed, 5 insertions, 3 deletions

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 0bd8c7665834..919fbf568495 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -281,10 +281,10 @@ void do_IRQ(struct pt_regs *regs)
 
         /*
          * Every platform is required to implement ppc_md.get_irq.
-         * This function will either return an irq number or -1 to
+         * This function will either return an irq number or NO_IRQ to
          * indicate there are no more pending.
-         * The value -2 is for buggy hardware and means that this IRQ
-         * has already been handled. -- Tom
+         * The value NO_IRQ_IGNORE is for buggy hardware and means that this
+         * IRQ has already been handled. -- Tom
          */
         irq = ppc_md.get_irq();
 
@@ -604,6 +604,8 @@ unsigned int irq_create_mapping(struct irq_host *host,
          */
         virq = irq_find_mapping(host, hwirq);
         if (virq != IRQ_NONE) {
+                if (host->ops->remap)
+                        host->ops->remap(host, virq, hwirq);
                 pr_debug("irq: -> existing mapping on virq %d\n", virq);
                 return virq;
         }