diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 6e23af1..fd7a53b 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -113,7 +113,7 @@
 
 config BLK_CPQ_DA
 	tristate "Compaq SMART2 support"
-	depends on PCI
+	depends on PCI && VIRT_TO_BUS
 	help
 	  This is the driver for Compaq Smart Array controllers.  Everyone
 	  using these boards should say Y here.  See the file