diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
index 353781b..83e9adf 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -13,6 +13,11 @@
 	  Bus driver for Broadcom specific Advanced Microcontroller Bus
 	  Architecture.
 
+# Support for Block-I/O. SELECT this from the driver that needs it.
+config BCMA_BLOCKIO
+	bool
+	depends on BCMA
+
 config BCMA_HOST_PCI_POSSIBLE
 	bool
 	depends on BCMA && PCI = y