diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 74eb1a7..991598e 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -12,6 +12,9 @@
 # Device drivers. Generally keep list sorted alphabetically
 obj-$(CONFIG_GPIO_GENERIC)	+= gpio-generic.o
 
+# directly supported by gpio-generic
+gpio-generic-$(CONFIG_GPIO_GENERIC)	+= gpio-mmio.o
+
 obj-$(CONFIG_GPIO_104_DIO_48E)	+= gpio-104-dio-48e.o
 obj-$(CONFIG_GPIO_104_IDIO_16)	+= gpio-104-idio-16.o
 obj-$(CONFIG_GPIO_104_IDI_48)	+= gpio-104-idi-48.o
diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-mmio.c
similarity index 100%
rename from drivers/gpio/gpio-generic.c
rename to drivers/gpio/gpio-mmio.c