diff --git a/include/spi_flash.h b/include/spi_flash.h
index 2671ab5..9da9062 100644
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -25,6 +25,7 @@
 
 #include <spi.h>
 #include <linux/types.h>
+#include <linux/compiler.h>
 
 struct spi_flash {
 	struct spi_slave *spi;
@@ -68,4 +69,6 @@
 	return flash->erase(flash, offset, len);
 }
 
+void spi_boot(void) __noreturn;
+
 #endif /* _SPI_FLASH_H_ */