On Wed, 24 May 2017 08:39:29 -0700 Doug Anderson <dianders@xxxxxxxxxxxx> wrote: > Hi, > > On Wed, May 24, 2017 at 6:39 AM, Alan Cox <gnomes@xxxxxxxxxxxxxxxxxxx> wrote: > > On Tue, 23 May 2017 13:55:39 -0700 > > Matthias Kaehlcke <mka@xxxxxxxxxxxx> wrote: > > > >> The function was added by commit 0a8b83530b6f ("intel_pmc_ipc: Add Intel > >> Apollo Lake PMC IPC driver") in 2015 and hasn't been used since then. > >> Removing it fixes the following warning when building with clang: > >> > >> drivers/platform/x86/intel_pmc_ipc.c:189:18: error: unused function > >> 'ipc_data_readb' [-Werror,-Wunused-function] > > > > It is however also part of the API and a consistent sensible function to > > have present should it be needed. As it's static it's eliminated > > correctly by gcc. > > > > I'm all for eliminating unused functions but in this case I have to wonder > > If it's a useful function to have present, it seems like adding > "__maybe_unused" makes sense, as Matthias did in > <https://patchwork.kernel.org/patch/9732009/>. Would that work for > you? > Yep Alan