1 files changed, 12 insertions, 1 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index f04ba20712a2..6c5d4c898ccb 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -12,7 +12,7 @@
 #include <linux/config.h>
 #include <linux/smp.h>
 
-#if !defined(CONFIG_ARCH_S390)
+#if !defined(CONFIG_S390)
 
 #include <linux/linkage.h>
 #include <linux/cache.h>
@@ -221,6 +221,17 @@ extern void note_interrupt(unsigned int irq, irq_desc_t *desc,
 extern int can_request_irq(unsigned int irq, unsigned long irqflags);
 
 extern void init_irq_proc(void);
+
+#ifdef CONFIG_AUTO_IRQ_AFFINITY
+extern int select_smp_affinity(unsigned int irq);
+#else
+static inline int
+select_smp_affinity(unsigned int irq)
+{
+        return 1;
+}
+#endif
+
 #endif
 
 extern hw_irq_controller no_irq_type;  /* needed in every arch ? */