diff --git a/arch/arm/mach-s3c24xx/common.h b/arch/arm/mach-s3c24xx/common.h
index abefeb3..307c371 100644
--- a/arch/arm/mach-s3c24xx/common.h
+++ b/arch/arm/mach-s3c24xx/common.h
@@ -21,6 +21,7 @@
 extern void s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 extern void s3c2410_init_clocks(int xtal);
 extern void s3c2410_restart(char mode, const char *cmd);
+extern void s3c2410_init_irq(void);
 #else
 #define s3c2410_init_clocks NULL
 #define s3c2410_init_uarts NULL