[U-Boot-Users] need a complete step by step way to create a patch specifically for u-boot

Q: How do I make a patch? I know the basics, but I just cant get it solid! It keeps finding reverse-patches when I test it. I need a complete step by step for u-boot specific. Heres my guess which doesn't work. Thanks for helping -jd

ls u-boot_1.1.3 u-boot_1.1.3new

rm -rf `find u-boot_1.1.3new -name *.a` rm -rf `find u-boot_1.1.3new -name u-boot` rm -rf `find u-boot_1.1.3new -name *.srec` rm -rf `find u-boot_1.1.3new -name *map` rm -f u-boot_1.1.3/include/asm diff -pNaur u-boot_1.1.3 u-boot_1.1.3new > patch.patch

cd u-boot_1.1.3 patch -p1 < ../patch.patch