--- /tmp/sa1100-rtc.c	2006-08-29 10:51:48.000000000 +0200
+++ linux-2.6.16/drivers/char/sa1100-rtc.c	2006-08-29 10:52:14.995780000 +0200
@@ -126,7 +126,7 @@
 	tval->tm_mday = days + 1;
 }
 
-static irqreturn_t rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	unsigned int rtsr = RTSR;