The function are defined in the rcar_cmm.c file, but not called elsewhere, so delete the unused function. drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c:35:19: warning: unused function 'rcar_cmm_read'. Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9364 Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c b/drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c index 26a2f5ad8ee5..883b960e9acc 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_cmm.c @@ -32,11 +32,6 @@ struct rcar_cmm { } lut; }; -static inline int rcar_cmm_read(struct rcar_cmm *rcmm, u32 reg) -{ - return ioread32(rcmm->base + reg); -} - static inline void rcar_cmm_write(struct rcar_cmm *rcmm, u32 reg, u32 data) { iowrite32(data, rcmm->base + reg); -- 2.20.1.7.g153144c