diff --git a/include/spi/spi.h b/include/spi/spi.h
index 9ccd527..36698e6 100644
--- a/include/spi/spi.h
+++ b/include/spi/spi.h
@@ -335,7 +335,16 @@
 
 int spi_sync(struct spi_device *spi, struct spi_message *message);
 
-int spi_register_board_info(struct spi_board_info const *info, int num);
 int spi_register_master(struct spi_master *master);
 
+#ifdef CONFIG_SPI
+int spi_register_board_info(struct spi_board_info const *info, int num);
+#else
+static inline int spi_register_board_info(struct spi_board_info const *info,
+		int num)
+{
+	return 0;
+}
+#endif
+
 #endif /* __INCLUDE_SPI_H */