diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index fd9c4d9..81b3503 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -346,7 +346,7 @@
 	if (IS_ERR(res))
 		return ERR_CAST(res);
 
-	return (void __force __iomem *)res->start;
+	return IOMEM(res->start);
 }
 EXPORT_SYMBOL(dev_request_mem_region);