On Mon, 26 Oct 2020, at 12:29, Chuanhong Guo wrote: > This will make a separated section for dtb appear in ELF, and we can > then use objcopy to patch a dtb into vmlinuz when RAW_APPENDED_DTB > is set in kernel config. Thank you Chuanhong Guo, this worked for me. I have successfully network boot tested this change on ath79 hardware: - kernel vmlinuz.bin then appended DTB, and packed into a uImage (out of kernel tree) - kernel vmlinuz then updated ELF DTB appended_dtb section, and ELF booted Cheers, -- John Thomson