--- linux-2.5.53/include/net/irda/vlsi_ir.h.orig	2002-12-24 14:00:05.000000000 +0100
+++ linux-2.5.53/include/net/irda/vlsi_ir.h	2002-12-24 14:00:23.000000000 +0100
@@ -27,6 +27,8 @@
 #ifndef IRDA_VLSI_FIR_H
 #define IRDA_VLSI_FIR_H
 
+#include <linux/version.h>
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,4)
 #ifdef CONFIG_PROC_FS
 /* PDE() introduced in 2.5.4 */