drivers/hwmon/nzxt-smart2.c:707:12: error: 'nzxt_smart2_hid_reset_resume' defined but not used [-Werror=unused-function] 707 | static int nzxt_smart2_hid_reset_resume(struct hid_device *hdev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ Move it into #ifdef block to fix this. Fixes: 0e43f31ee52f ("hwmon: add driver for NZXT RGB&Fan Controller/Smart Device v2.") Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- drivers/hwmon/nzxt-smart2.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/hwmon/nzxt-smart2.c b/drivers/hwmon/nzxt-smart2.c index 534d39b8908e..4963d630394a 100644 --- a/drivers/hwmon/nzxt-smart2.c +++ b/drivers/hwmon/nzxt-smart2.c @@ -704,6 +704,7 @@ static int nzxt_smart2_hid_raw_event(struct hid_device *hdev, return 0; } +#ifdef CONFIG_PM static int nzxt_smart2_hid_reset_resume(struct hid_device *hdev) { struct drvdata *drvdata = hid_get_drvdata(hdev); @@ -720,6 +721,7 @@ static int nzxt_smart2_hid_reset_resume(struct hid_device *hdev) return init_device(drvdata, drvdata->update_interval); } +#endif static int nzxt_smart2_hid_probe(struct hid_device *hdev, const struct hid_device_id *id) -- 2.17.1