diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 1a21c64..4d16166 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -439,9 +439,13 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called sdricoh_cs.
 
+config MMC_TMIO_CORE
+	tristate
+
 config MMC_TMIO
 	tristate "Toshiba Mobile IO Controller (TMIO) MMC/SD function support"
 	depends on MFD_TMIO || MFD_ASIC3 || MFD_SH_MOBILE_SDHI
+	select MMC_TMIO_CORE
 	help
 	  This provides support for the SD/MMC cell found in TC6393XB,
 	  T7L66XB and also HTC ASIC3