[PATCH 1/2] rtc: fsl-ftm-alarm: Mark acpi_id table as maybe unused

[Krzysztof Kozlowski]

For !ACPI builds, the acpi_device_id table will not be referenced
because of ACPI_PTR:

  rtc-fsl-ftm-alarm.c:312:36: error: unused variable 'ftm_imx_acpi_ids' [-Werror,-Wunused-const-variable]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
 drivers/rtc/rtc-fsl-ftm-alarm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-fsl-ftm-alarm.c b/drivers/rtc/rtc-fsl-ftm-alarm.c
index a72c4ad0cec6..c8015f04c71f 100644
--- a/drivers/rtc/rtc-fsl-ftm-alarm.c
+++ b/drivers/rtc/rtc-fsl-ftm-alarm.c
@@ -309,7 +309,7 @@ static const struct of_device_id ftm_rtc_match[] = {
 };
 MODULE_DEVICE_TABLE(of, ftm_rtc_match);
 
-static const struct acpi_device_id ftm_imx_acpi_ids[] = {
+static const struct acpi_device_id ftm_imx_acpi_ids[] __maybe_unused = {
 	{"NXP0014",},
 	{ }
 };
-- 
2.43.0