Hi Jani, On Tue, Sep 10, 2024 at 12:06 PM Jani Nikula <jani.nikula@xxxxxxxxx> wrote: > Building with clang and and W=1 leads to warning about unused > rcar_cmm_read(). Fix by annotating it with __maybe_unused. > > See also commit 6863f5643dd7 ("kbuild: allow Clang to find unused static > inline functions for W=1 build"). > > Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> Thanks for your patch! > --- a/drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c > +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c > @@ -32,7 +32,7 @@ struct rcar_cmm { > } lut; > }; > > -static inline int rcar_cmm_read(struct rcar_cmm *rcmm, u32 reg) > +static inline __maybe_unused int rcar_cmm_read(struct rcar_cmm *rcmm, u32 reg) > { > return ioread32(rcmm->base + reg); > } This function was never used. Why not remove it instead? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds