+#if defined(CONFIG_FORMIKE)
+int kwh043st20_f01_spi_startup(unsigned int bus, unsigned int cs,
+ unsigned int max_hz, unsigned int spi_mode);
+#endif
+#if defined(CONFIG_LG4573)
+int lg4573_spi_startup(unsigned int bus, unsigned int cs,
+ unsigned int max_hz, unsigned int spi_mode);
+#endif