diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index b74b0fd..0a76989 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -411,6 +411,12 @@
 static unsigned int irq_virq_count = NR_IRQS;
 static struct irq_host *irq_default_host;
 
+irq_hw_number_t virq_to_hw(unsigned int virq)
+{
+	return irq_map[virq].hwirq;
+}
+EXPORT_SYMBOL_GPL(virq_to_hw);
+
 struct irq_host *irq_alloc_host(unsigned int revmap_type,
 				unsigned int revmap_arg,
 				struct irq_host_ops *ops,
diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index 4734cc1..05dd5a3 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -138,10 +138,7 @@
 
 extern struct irq_map_entry irq_map[NR_IRQS];
 
-static inline irq_hw_number_t virq_to_hw(unsigned int virq)
-{
-	return irq_map[virq].hwirq;
-}
+extern irq_hw_number_t virq_to_hw(unsigned int virq);
 
 /**
  * irq_alloc_host - Allocate a new irq_host data structure