On Thu, Sep 30, 2021 at 3:54 AM zhiyong.tao <zhiyong.tao@xxxxxxxxxxxx> wrote: > > > + mediatek,rsel_resistance_in_si_unit: > > > > s/_/-/ > > Hi Rob, > > what do you mean? It's a search/replace syntax used in sed (stream editor) meaning "replace _ with -" i.e. mediatek,rsel-resistance-in-si-unit Yours, Linus Walleij