iio: magnetometer: hmc5843: 'hmc5843_pm_ops' is unused in 1 of 3 files including...

We know that it's okay for 'hmc5843_pm_ops' to be unused here.

Fixes the following W=1 kernel build warning(s):

 In file included from include/linux/device.h:25,
 from include/linux/iio/iio.h:10,
 from drivers/iio/magnetometer/hmc5843_core.c:16:
 drivers/iio/magnetometer/hmc5843.h:55:26: warning: ‘hmc5843_pm_ops’ defined but not used [-Wunused-const-variable=]
 55 | static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops,
 | ^~~~~~~~~~~~~~
 include/linux/pm.h:354:25: note: in definition of macro ‘SIMPLE_DEV_PM_OPS’
 354 | const struct dev_pm_ops name = { | ^~~~

Cc: Josef Gajdusek <atx@atx.name>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/magnetometer/hmc5843.h b/drivers/iio/magnetometer/hmc5843.h
index b0dee87a8b20ec4524da63cf845a656281c7f9cd..3f6c0b6629415fa6794e53ac7dfb3bfa68ea9297 100644 (file)
--- a/drivers/iio/magnetometer/hmc5843.h
+++ b/drivers/iio/magnetometer/hmc5843.h
@@ -52,9 +52,9 @@ int hmc5843_common_suspend(struct device *dev);
 int hmc5843_common_resume(struct device *dev);
 
 #ifdef CONFIG_PM_SLEEP
-static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops,
-               hmc5843_common_suspend,
-               hmc5843_common_resume);
+static __maybe_unused SIMPLE_DEV_PM_OPS(hmc5843_pm_ops,
+                                       hmc5843_common_suspend,
+                                       hmc5843_common_resume);
 #define HMC5843_PM_OPS (&hmc5843_pm_ops)
 #else
 #define HMC5843_PM_OPS NULL