#define MKIMAGE_TMPFILE_SUFFIX ".tmp"
#define MKIMAGE_MAX_TMPFILE_LEN 256
#define MKIMAGE_DEFAULT_DTC_OPTIONS "-I dts -O dtb -p 500"
-#define MKIMAGE_MAX_DTC_CMDLINE_LEN 512
+#define MKIMAGE_MAX_DTC_CMDLINE_LEN 2 * MKIMAGE_MAX_TMPFILE_LEN + 35
#endif /* _MKIIMAGE_H_ */