diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index 651379c..220abce 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -41,7 +41,7 @@
 	int			 len;
 	int			 count;
 
-	int			(*set_cs)(struct s3c2410_spi_info *spi,
+	void			(*set_cs)(struct s3c2410_spi_info *spi,
 					  int cs, int pol);
 
 	/* data buffers */