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 <k...@kernel.org>
---
 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..8db287251f49 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 */ }
 };
-- 
2.17.1

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