diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index 7bb5db17f8642..1e08704d51173 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -785,7 +785,7 @@ static int xgene_ahci_probe(struct platform_device *pdev)
 	of_devid = of_match_device(xgene_ahci_of_match, dev);
 	if (of_devid) {
 		if (of_devid->data)
-			version = (enum xgene_ahci_version) of_devid->data;
+			version = (unsigned long) of_devid->data;
 	}
 #ifdef CONFIG_ACPI
 	else {