Hi Hauke,


 > +#ifdef CONFIG_SSB_DRIVER_EXTIF

...

+}
+
+#else
+static int ssb_gpio_extif_init(struct ssb_bus *bus)
+{
+	return 0;
+}
+#endif

ssb_gpio_extif_init() is also defined as a static inline stub in the 
header files. you should drop this definition from the code file

	John