diff --git a/drivers/ata/pata_samsung_cf.c b/drivers/ata/pata_samsung_cf.c
index cbb5a471eb9d05c39b15ea1ab6c87fa1e4ee7464..f6facd686f9431b344468b7ba94653bdfac446f4 100644
--- a/drivers/ata/pata_samsung_cf.c
+++ b/drivers/ata/pata_samsung_cf.c
@@ -70,7 +70,7 @@ struct s3c_ide_info {
 	struct clk *clk;
 	void __iomem *ide_addr;
 	void __iomem *sfr_addr;
-	unsigned int irq;
+	int irq;
 	enum s3c_cpu_type cpu_type;
 	unsigned int fifo_status_reg;
 };