--- ./include/linux/mc146818rtc.h.orig 2004-11-19 14:30:45.047279312 +0100
+++ ./include/linux/mc146818rtc.h 2004-11-19 14:32:04.137255808 +0100
@@ -13,10 +13,12 @@
#include <asm/io.h>
#include <linux/rtc.h> /* get the user-level API */
-#include <linux/spinlock.h> /* spinlock_t */
#include <asm/mc146818rtc.h> /* register access macros */
+#ifdef __KERNEL__
+#include <linux/spinlock.h> /* spinlock_t */
extern spinlock_t rtc_lock; /* serialize CMOS RAM access */
+#endif
/**********************************************************************
* register summary