Such function is currently unused, but could be needed in the future. So, keep it, marking it as __maybe_unused, in order to avoid a clang W=1 error. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> --- To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover. See [PATCH 00/20] at: https://lore.kernel.org/all/cover.1637781097.git.mchehab+huawei@xxxxxxxxxx/ drivers/media/i2c/imx290.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c index bf7a6c37ca5d..caab830f8c72 100644 --- a/drivers/media/i2c/imx290.c +++ b/drivers/media/i2c/imx290.c @@ -363,7 +363,7 @@ static inline struct imx290 *to_imx290(struct v4l2_subdev *_sd) return container_of(_sd, struct imx290, sd); } -static inline int imx290_read_reg(struct imx290 *imx290, u16 addr, u8 *value) +static inline int __maybe_unused imx290_read_reg(struct imx290 *imx290, u16 addr, u8 *value) { unsigned int regval; int ret; -- 2.33.1