2021-09-13 17:50:45

by Daniel Palmer

[permalink] [raw]
Subject: [PATCH] iio: imu: inv_mpu6050: 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 <[email protected]>
---
drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
index 95f16951c8f4..dbd613178f01 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
@@ -249,7 +249,7 @@ static const struct of_device_id inv_of_match[] = {
};
MODULE_DEVICE_TABLE(of, inv_of_match);

-static const struct acpi_device_id inv_acpi_match[] = {
+static const struct __maybe_unused acpi_device_id inv_acpi_match[] = {
{"INVN6500", INV_MPU6500},
{ },
};
--
2.33.0