Without CONFIG_PM, we get a harmless build warning: drivers/media/i2c/ov5695.c:1033:12: error: 'ov5695_runtime_suspend' defined but not used [-Werror=unused-function] static int ov5695_runtime_suspend(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~ drivers/media/i2c/ov5695.c:1024:12: error: 'ov5695_runtime_resume' defined but not used [-Werror=unused-function] static int ov5695_runtime_resume(struct device *dev) This marks the affected functions as __maybe_unused. Fixes: 8a77009be4be ("media: ov5695: add support for OV5695 sensor") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/media/i2c/ov5695.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/ov5695.c b/drivers/media/i2c/ov5695.c index 2db7d2e535b9..a4985a4715f5 100644 --- a/drivers/media/i2c/ov5695.c +++ b/drivers/media/i2c/ov5695.c @@ -1021,7 +1021,7 @@ static void __ov5695_power_off(struct ov5695 *ov5695) regulator_bulk_disable(OV5695_NUM_SUPPLIES, ov5695->supplies); } -static int ov5695_runtime_resume(struct device *dev) +static int __maybe_unused ov5695_runtime_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); @@ -1030,7 +1030,7 @@ static int ov5695_runtime_resume(struct device *dev) return __ov5695_power_on(ov5695); } -static int ov5695_runtime_suspend(struct device *dev) +static int __maybe_unused ov5695_runtime_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); -- 2.9.0