linux-kernel - [PATCH] iio: accel: mma7660: Mark acpi match table as maybe unused

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Date:   Sun, 19 Sep 2021 16:26:16 +0900
From:   Daniel Palmer <daniel@...f.com>
To:     jic23@...nel.org, lars@...afoo.de, linux-iio@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Daniel Palmer <daniel@...f.com>
Subject: [PATCH] iio: accel: mma7660: Mark acpi match table as maybe unused

When building kernels without ACPI support the table is declared
but is not used because ACPI_PTR() turns it into a NULL.

Add the __maybe_unused attribute to stop the compiler whining.

Signed-off-by: Daniel Palmer <daniel@...f.com>
---
 drivers/iio/accel/mma7660.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/accel/mma7660.c b/drivers/iio/accel/mma7660.c
index 47f5cd66e996..cd6cdf2c51b0 100644
--- a/drivers/iio/accel/mma7660.c
+++ b/drivers/iio/accel/mma7660.c
@@ -254,7 +254,7 @@ static const struct of_device_id mma7660_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, mma7660_of_match);
 
-static const struct acpi_device_id mma7660_acpi_id[] = {
+static const struct acpi_device_id __maybe_unused mma7660_acpi_id[] = {
 	{"MMA7660", 0},
 	{}
 };
-- 
2.33.0