--- /dev/null
+This definition missing from <linux/major.h> for kernels <= 3.13.
+
+Signed-off-by: Alex Suykov <alex.suykov@gmail.com>
+
+--- a/cgpt/cgpt_wrapper.c
++++ b/cgpt/cgpt_wrapper.c
+@@ -25,6 +25,10 @@
+ #include "cgpt_nor.h"
+ #include "cryptolib.h"
+
++#ifndef MTD_CHAR_MAJOR
++#define MTD_CHAR_MAJOR 90
++#endif
++
+ // Check if cmdline |argv| has "-D". "-D" signifies that GPT structs are stored
+ // off device, and hence we should not wrap around cgpt.
+ static bool has_dash_D(int argc, const char *const argv[]) {