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> --- Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> Cc: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> Cc: linux-renesas-soc@xxxxxxxxxxxxxxx Cc: Nathan Chancellor <nathan@xxxxxxxxxx> --- drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c b/drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c index 26a2f5ad8ee5..ea52b0af9226 100644 --- 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); } -- 2.39.2