This command is fairly complicated so documentation is useful. Unfortunately I an not sure how the MTD side of things works and cannot find information about that. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Pratyush Yadav <p.yadav@ti.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com> Acked-by: Heinrich Schuchardt <xypron.glpk@gmx.de>