diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index 8cb89655cf0664ab9c67b501f9bcfed235d8a930..2daa28891b7f466864ae8874a83f764d9e29675c 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -140,7 +140,7 @@ static void ahci_imx_error_handler(struct ata_port *ap)
 	imxpriv->no_device = true;
 }
 
-int ahci_imx_softreset(struct ata_link *link, unsigned int *class,
+static int ahci_imx_softreset(struct ata_link *link, unsigned int *class,
 		       unsigned long deadline)
 {
 	struct ata_port *ap = link->ap;