diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index 6b8844646fcd..98c99b5a8242 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -773,7 +773,7 @@ static int xgene_ahci_probe(struct platform_device *pdev)
 	}
 
 	if (dev->of_node) {
-		version = (enum xgene_ahci_version)of_device_get_match_data(dev);
+		version = (unsigned long)of_device_get_match_data(dev);
 	}
 #ifdef CONFIG_ACPI
 	else {