If driver is built without ACPI, the struct acpi_device_id won't be used: drivers/media/i2c/imx355.c:1836:36: warning: 'imx355_acpi_ids' defined but not used [-Wunused-const-variable=] Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- drivers/media/i2c/imx355.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c index 51245e71b411..700f7467fb31 100644 --- a/drivers/media/i2c/imx355.c +++ b/drivers/media/i2c/imx355.c @@ -1833,7 +1833,7 @@ static const struct dev_pm_ops imx355_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(imx355_suspend, imx355_resume) }; -static const struct acpi_device_id imx355_acpi_ids[] = { +static const struct acpi_device_id imx355_acpi_ids[] __maybe_unused = { { "SONY355A" }, { /* sentinel */ } }; -- 2.25.1