The driver can be compile tested with !CONFIG_OF making certain data unused: drivers/video/backlight/lp855x_bl.c:551:34: error: ‘lp855x_dt_ids’ defined but not used [-Werror=unused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- drivers/video/backlight/lp855x_bl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c index 81012bf29baf..a57c9ef3b1cc 100644 --- a/drivers/video/backlight/lp855x_bl.c +++ b/drivers/video/backlight/lp855x_bl.c @@ -548,7 +548,7 @@ static void lp855x_remove(struct i2c_client *cl) sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group); } -static const struct of_device_id lp855x_dt_ids[] = { +static const struct of_device_id lp855x_dt_ids[] __maybe_unused = { { .compatible = "ti,lp8550", }, { .compatible = "ti,lp8551", }, { .compatible = "ti,lp8552", }, -- 2.34.1