On 13 February 2018 at 16:41, Geert Uytterhoeven <geert+renesas@xxxxxxxxx> wrote: > It is not uncommon for a contemporary FDT to be larger than 64 KiB, > leading to failures loading the device tree from sysfs: > > qemu-system-aarch64: qemu_fdt_setprop: Couldn't set ...: FDT_ERR_NOSPACE > > For reference, the largest arm64 DTB created from the Linux sources is > 70 KiB large (93 KiB when built with symbols/fixup support). I think we should probably give ourselves a bit more headroom, then -- at least 256K. The ppc boards actually define their own version of this constant: #define FDT_MAX_SIZE 0x00100000 so I think we might as well just go with that in device_tree.c for consistency. thanks -- PMM
