[PATCH] m68knommu: implement irq_canonicalize()

Add a null definition for irq_canonicalize(). It is used in the gerneric
serial subsystem code, can't compile without it.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-m68knommu/irq.h b/include/asm-m68knommu/irq.h
index 45e7a2fd..7b8f874 100644
--- a/include/asm-m68knommu/irq.h
+++ b/include/asm-m68knommu/irq.h
@@ -86,5 +86,6 @@
 #define enable_irq(x)	do { } while (0)
 #define disable_irq(x)	do { } while (0)
 #define disable_irq_nosync(x)	disable_irq(x)
+#define irq_canonicalize(irq)	(irq)
 
 #endif /* _M68K_IRQ_H_ */